JB/T 3034-1993 Anti-rust packaging for rolling bearing oil seals

This standard specifies the technical requirements and methods for cleaning, rust prevention and inner packaging of rolling bearings, rolling elements (steel balls, rollers, needle rollers) and other bearing parts. This standard applies to the inspection and acceptance of cleaning, rust prevention and inner packaging of rolling bearings, steel balls, rollers, needle rollers and other bearing parts by manufacturers and users. JB/T 3034-1993 Anti-rust packaging for rolling bearing oil seals JB/T3034-1993 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB/T 3034—93
Rust-proof Packaging of Rolling Bearing Oil Seals
Published on May 7, 1993
Ministry of Machinery Industry of the People's Republic of China
Implemented on January 1, 1994
Mechanical Industry Standard of the People's Republic of China
Rust-proof Packaging of Rolling Bearing Oil Seals
1 Subject Content and Applicable Range
.IB/T3034—93
B3031-82
This standard specifies the technical requirements and methods for cleaning, rust prevention and inner packaging of movable bearings, steel balls, rollers, needles and other bearing parts. This standard is applicable to the cleaning, anti-rusting, inner packaging inspection and acceptance of rolling bearings, balls, rollers, needles and their bearing parts by manufacturers and users.
2 reference standard carbon
GB17E5
GB1S22
GR4456
GTs4979
GB/T2E
GB/T2?
GIT SE1
GB/T51
SH/T CCB
SH/T CC81
SH/TG812
SII/T C311
SH/T C357
Beater oil
General requirements for bearings
Aviation washing gasoline
Soluble oil
Packaging case Ethylene blown film
Frequency-proof packaging
Rolling bearing packaging
Method for determining the kinematic stability of stone products Method for calculating the dynamic stability Method for determining the flash point and ignition point of petroleum products (parallel rod) Method for determining the heat absorption of oils
Method for measuring the mechanical quality of oils and adding additives Method for measuring the quality of anti-rust greases and their diseases
Anti-grease salt spray test method
Lubricating corrosion test method
Anti-calcium grease film removal test Cancer
Replacement type anti-rust oil Replacement performance test method Replacement type rust test
3 Classification of anti-rust packaging
3.1 Small type: bearings with an outer color less than 647mm. 3.2: Medium-sized bearings: shafts with an outer diameter of 47-190mm; 3.3 Bearings with an outer diameter of 200-430mm; 3.4 Parts: bearings with a point diameter of ±0.3-250mm and all sizes of hydraulic bearings, needle rollers and other bearing parts. 4 Anti-rust period 4.1 Anti-rust period: 5 years, 1 year, 2 years 4.2 Anti-rust period: half a year, applicable to large quantities of bearings shipped to a certain user, bearings that have not been used for a certain period of time, 1 year anti-rust period, applicable to general bearings, approved by the Ministry of Machinery Industry on May 7, 1993, implemented on January 1, 1994, JBE 3034-93, 2 years anti-rust period, applicable to bearings with higher requirements, such as C and Japanese tolerance bearings. 5 Technical requirements
5.1 Requirements for anti-rust during process
5.1.1 For bearings of grade 1 and above, special bearings shall be used, and the machining process shall be without anti-rusting process. 5.1.2 Assembly, product inspection, oil sealing and packaging are processes that are prone to rust or must be carried out in the following ways: the workplace must be clean, dustproof, moisture-proof (relative humidity less than 8C%), and resistant to harmful gases (SUJICI, J, S) and acid mist. 5.1.3 During assembly, quality control inspection, oil sealing and packaging, the operation shall be continuous. If the air drawn from the product stays in the vacuum chamber for more than 4 hours, temporary anti-rust measures shall be taken. 5.1 Hand assembly, finished product inspection, weaving, sealing and packaging processes, etc., must be done with gloves (coated yarn flat sets or liquid sets), it is strictly forbidden to touch the product with hands,
5.1.5, in the process of matching and product inspection, the plate should be assembled and inspected with waves, 5..6 Between processes, the adhesive and metal stations should be regularly reversed for anti-rust treatment. 5.1.7 All kinds of washing materials and anti-rust materials can be used according to the main quality indicators after being inspected and qualified. 5.8 Bay washing liquid, cleaning oil, pre-grinding coolant, anti-rust liquid, anti-rust oil and road grinding oil should be regularly sampled in the process of transmission as required by the competent department, and those that are unqualified should be stopped and replaced or repaired. 5.2 Cleaning and screening The finished iodine bearings to be inspected and tested should be cleaned before sealing and anti-penetration. The steel balls, needles and other bearing parts should be cleaned according to the requirements for finished bearings. 5.2.1 Cleaning method The bearing cleaning method is listed in Table 1. Table 1 Cleaning method Cleaning agent Water-based lubricant Only the quality should be washed according to the white standard (for micro-center type control before flat>> 5.2.2 Reading the cleaning quality Cleaning and drying. According to GB253, the cleaning agent oil is used in GB1922 and GB1789. The surfactants are commercially available under the following conditions) t|| water spot
paper lifting flow method
specification is not responsible, such as pressure item paste combination
plus jet dyeing, dynamic elimination flow
machine has a hospital
screening production total step
actual production two empty head suitable))
air ~ ℃
press GH4879 record A super fixed
fast use various strong production dynamic drip washing
according to the generation of the process of treatment and decision
twist bearing leakage after washing still activity should comply with the provisions of the competent authorities. 5. 2. 3 neutralization index
machine or H also install the amount of the hospital
for medium, large, needle bearings in the assembly and finished product inspection process of the hand, sheet number + pedicles in the first cleaning and second drinking elimination flow between, carry out neutralization index treatment.
Use H0 viscosity medium 4 book to match the anti-rust oil or 5 containing circulating cleaning oil rust oil, will have no indoor cleaning and index effect, 5.2.4 change to water cleaning process, no need for neutralization index treatment, such as using cake oil anti-rust agent, after cleaning, it is necessary to carry out treatment, so that the grinding ice cleaning filtrate can be discharged without leakage, 5.2.5 Drying and cooling
The bearing should be dried to remove trace moisture and then cooled to temperature. 5.3 Anti-rust 5.3.1 Anti-rust materials JE/T3034-93 Anti-rust materials for rail bearings shall be in principle the following three categories: Table 2 Anti-rust materials Lanteng anti-rust oil (or known as transfer lubricating oil) Anti-rust oil (including three types of anti-rust oil, such as anti-rust oil with low cost and low cost) Emulsified station baking oil and long-term rust prevention oil with water-based agent Gas phase cell rust agent phase fuel oil Main index comparison table of stretch film anti-rust oil.
Standard industry number and fast company
See Table 3 Three oil nozzles
See Table Main chemical risk lipid or Xinsheng mixture
According to H regulations, with water as the main anti-rust material and, the main is the use of water as the main pollution content
According to GP4K7H, containing the total number of pieces of convergent buffer, the type, confirmed: abdominal and mineral oil inflammation
Table 3 Oil film anti-rust
Viscosity u
Point (opening)
Avoid Brightness (20-2)
Technical test
Coal dissolution
Wet heat test steel
Artificial pipe connection
Gum formation (G
Degradation
Power filter test
Machine heat impurities
Even transparent oil pills, no impurities, stratification, sedimentation, taste--5
Steel, copper qualified
d not more than o grade
, not more than 1 dead
hatch, yellow table qualified
fat reading anti-casting three key quality indicators see the table. 15~32
40 qualified
T 4,6 people in: grade
missing, this adjustment qualified
Table 4 fat feeding anti-casting oil
Haijijian customized
new quantity index
step with mobile or semi-mobile incubator, light and external reduction, no transfer certificate wet phase treatment piece no stratification
the same test and strength method
CB/T 255
G3/T 253
this sample 6. 1 item
this standard property E. 2 item
cloud standard difference 6. 1 Article
61/0155
GR/T 336
S1 line 011
Yunbiao Xiang 5 4 articles
Yun standard 5 articles
Go to standard 5.6 articles
GB,T 511
Stock recording method
Visual inspection and sensory
SH/T0367
Dynamic fog or test 350
Heat test
Benefit law test code
Human three in replacement
Accompanying hospital
City secrets and miscellaneous institutions
Extended storage safety competition
JB/T3034-93
Fujian quantity index||tt ||. Tree is not greater than the line
4, back steel. Aluminum is not greater than" grade
7d. The system is not greater than G
7, not greater than 1
tooth copper 5104, not greater than 1 grade
one suitable surface in the line
7 example one fabrication to not people in the effect
pregnancy 132, so the technical index record seven exchange
sex I 3 knot sex test, after the pull or whether there is reverse oil road epidemic, 5. 3. 2
French area
SH2353
SH/T 3311
(-$/1 511
The shaft has no excessive conditions, adhesion, pressure path, and the user's specific requirements. Choose different types of gears. Or the quality of the bearing should be immediately coated with anti-rust oil after cleaning. The oil-friendly method is in principle to use the following type of wet cleaning, and the bearing metal parts are repeatedly soaked in the anti-rust grease, and then drip the oil, and the anti-rust grease is evenly applied to the bearing surface to facilitate the transfer of the bearing internal filling grease: the machine is sprayed, and the anti-rust grease is evenly applied to the bearing with a mist finger. The quality of this can be verified by aging, and the verification is too long, and there is no feeling of sale and tooth cracks, and there is no total test particle. 5. 3. 5
For closed type bearings, if external anti-rust oil is required, the process must take measures to prevent oil from being applied before the lubrication of the bearing is affected. 5.3.6
For external coating of small miniature bearings, other anti-rust coatings
5.3.8 For the quality of shaft anti-rust work, the rust rate of the finished product shall be evaluated after checking the sealing for 2 months. Small bearings
For medium-sized bearings
For large bearings
The corrosion rate is not less than 3%,
5.3.9 For steel balls, the corrosion rate of other bearings shall be in accordance with the requirements for shaft corrosion. 5. Inner packaging
5.4. 1 Sealing material
Polyethylene plastic or other materials (disc), the immediate corrosion test should be qualified; b.
Oil, Niuzhi paper:
Plain weave polyethylene paper:
Paper box moisture less than 12%:
Water extraction wave S0 less than 0.05
Polyethylene film in accordance with the provisions of GB41, and the corrosion test will be increased: Material
Effective medical multi-aluminum plastic film:
Nylon belt Bin plastic woven red belt;
Waterproof high humidity plastic belt
5. 4. 2 Method
JB/T 33493
Inner packing method of flat shaft: in principle, adopt the one specified in Table 5, inner packing method in Table 5
Anti-family classification
Other parts
m. Every 1G-15 as the bearer wishes, every 519 is simply packed in 1 paper or package, roll, h. Each bearing material film point shrinkage patina
Multiple sets of auxiliary bearings are added inside each full promise, and the outer surface is wrapped with ten summer paper for h. Multiple auxiliary bearings are packed, each material
Single auxiliary bearing is used for each year. Please help me pack it, fold it firmly, and put it into a certificate box! 1. Straight set of thin ethylene pulp package, when the prize, and ask for 1 plate three. After the connection, the ethylene composite blood bag needs to be packaged, two single people ask for 1 paper gold: h. Use the whole ethylene according to the measurement, single set packaging folding diameter, and then single me 1 level box c. Fight according to the special material system
H. Single set 3 medical benefit package shoes (inner layer polyethylene belly band or B-end composite paper band, kidney band, ticket strong water transfer girl material band
1. Small benefits are used for plastic phase in no, or use the plastic grid to do packaging, and then change the mouth: 1. After the ethylene material is packaged, it is packed into a paper box. The amount of each person can exceed 1*; the amount of each person cannot exceed kk?
c. The single weight must be (~-1650 g, for, cover every 2--4 ~ Monthly epidemic Z. Scale packing and packing, storage and packing: r, annual weight of 1kg, the ball ion, the method of packing 5.4.3 separable net only liquid (outer diameter 150mm), before packing, the inner and outer components should be separated and packed separately
5.4.4 separable high-axis bundle machine packaging. Can use control material 2 light-limited certificate, more than 4.5 interchangeable dense industry bearing (outer diameter 10m) 50% food packaging broken according to the shadow, the inner and outer components of the stock market T single Zhu packing.
5.4.6 after consultation and agreement between the manufacturer and the user, can be Use other packaging methods, 5.4.7 Single piece inner packaging rust quality test questions
In order to determine the reliability of the inner packaging of the rust-proof product, the test method can be used when necessary, 1 rain and fire indoor dew 2 and humidity test for more than 5c, short-term rust-proof packaging parts should be tested: Service life: 1, 1 year rust-proof packaging parts should be tested on the cycle: c.2 Flat rust-proof packaging parts should be tested at the same time: rust-proof material test method
6 degree test
In 00, the specified thick test oil products shall be tested under 2±1 conditions for more than 20, on the side (1CCW> light , the moonlight passes through the layer from top to bottom, and the No. 5 black printed product on the bottom of the cup is qualified. 2 hot water wave commercial test
10 steel sheets with a rate of 50mm×25mm! 2 pieces of steel sheets and 2 pieces of steel sheets. The clear original, cold coating test pool, in a wide benzene piece placed under 241 and immersed in 3% VuCl concentration, insulation soil 5, observation case well Ha Shengnuo and state: 6.3 Xu Chuang Consulting Solvability Test Wheel
JH/T303493
Take 10αL of solution with plug (or class test tube). Cool 5ml. Use ladder oil and test lamp to draw, plug the glass, and move up and down several times: static Observe after 1 second, the test oil should be completely fresh in the lamp oil, and there should be no sediment after washing. 6.4 Adhesion test
Pour the test oil on a clean corrugated glass sheet (1cm×6cm), and place it under 25°C for 15h for 2h. Then place it in a clean room with an outer diameter of about 5m and a depth of 27°C, and check whether there is any smooth surface. 6.5 Volatility test
Put the test oil on a clean corrugated glass sheet (1cm×6cm), and place it under 25°C for 15h for 2h. Then place it in a clean room with an outer diameter of about 5m and a depth of 27°C, and place it in a 10=2% volatility box for 4h. Then take it out and cool it in a cooling chamber. Then place it in a clean room. Calculate the volatility according to the following formula:
W×100
Volatility (%)=W
, and the volatility is calculated according to the following formula:
W×100
Volatility (%)=W
, and the volatility is calculated according to the following formula: W=test cell volatility.
6.6 Static drop test
After the test piece is washed and disinfected: put the concave part into a clean glass culture medium, add 2 drops of 3% NaCl solution to the test piece with a drop barrier, and then test it under 1 condition: after that, take it out of the cooling room, check the rust of the test piece. 6.7 Fuel computer disease test object
1:11×5:111 14 low carbon steel sheet, 2 pieces of H62 brass sheet are washed and disinfected. After cleaning, place 25m×5:13ml test plastic film on the middle of the gold test piece: 1 piece of imm carrier sheet and 2mX2mm×75 stainless steel block in turn, move the re-pressed sample into 6+1 Hong fine for 30 minutes, and then put it into a dry container with 50% pool water at the bottom, cover it tightly, and then put it into 50% of the material, test it for 2 hours. Take out and check the rust condition of the contact surface between the plastic film and the gold test piece.
Steel sheet and brass sheet 2 pieces are rust-free. Steel sheet and brass sheet 2 pieces are rust-free, and steel sheet and waste sheet each have 1 piece of rust test. Transportation, storage and anti-rust period
The vertical vehicle transportation process should be prevented from being in contact with acid, chlorine, salt and other rotten chemical substances for a long time, and the six-phase transportation should be prevented from being in contact with the steel sheet.
7.2 There must be no corrosive gas in the warehouse and its surroundings. In winter, coal-fired fuel is prohibited in the warehouse. The air in the warehouse should be ventilated and the temperature should be maintained at 25±10℃. The speed should not be reduced by 80%. T.3 Under the conditions of avoiding 5.1 and 5.2, the bearings should not be rusted within the specified period. Additional remarks
This standard is issued by the Mechanical Industry Research Institute. This standard was drafted by the Ministry of Machinery Industry. The author of this standard is Pu Jiaohua.No more than 1 level
one suitable surface on the line
7 examples one fabrication to no effect
pregnancy 132, so the technical index seven cross-chemical
sex I 3 knot test, after the pull or whether there is reverse oil road epidemic, 5. 3. 2
French area
SH2353
SH/T 3311
(-$/1 511
The shaft has no excessive conditions, no adhesion, no pressure path, and the user's requirements. Choose different types of gears. Or the bearing should be immediately coated with anti-rust oil after cleaning. The oil-friendly method is in principle to use the following type of wet cleaning, which is to immerse the bearing metal parts in the anti-rust grease for many times, and then drip the oil, and then evenly apply the anti-rust grease on the bearing surface to transfer the inner filling grease to the bearing: the machine spray system, the anti-rust grease is evenly applied to the bearing with a mist finger. The quality of this can be verified by aging, too long, and there is no feeling of cleaning, no housing and tooth cracks, and no total test particles will be earned by the branch. 5. 3. 5
For closed type bearings, if external anti-rust oil is required, the process must take measures to prevent oil from being applied before the lubrication of the bearing is affected. 5.3.6
For external coating of small miniature bearings, other anti-rust coatings
5.3.8 For the quality of shaft anti-rust work, the rust rate of the finished product shall be evaluated after checking the sealing for 2 months. Small bearings
For medium-sized bearings
For large bearings
The corrosion rate is not less than 3%,
5.3.9 For steel balls, the corrosion rate of other bearings shall be in accordance with the requirements for shaft corrosion. 5. Inner packaging
5.4. 1 Sealing material
Polyethylene plastic or other materials (disc), the immediate corrosion test should be qualified; b.
Oil, Niuzhi paper:
Plain weave polyethylene paper:
Paper box moisture less than 12%:
Water extraction wave S0 less than 0.05
Polyethylene film in accordance with the provisions of GB41, and the corrosion test will be increased: Material
Effective medical multi-aluminum plastic film:
Nylon belt Bin plastic woven red belt;
Waterproof high humidity plastic belt
5. 4. 2 Method
JB/T 33493
Shaft flat inner packaging method: in principle, use the one in Table 5, Table 5 inner packaging method
Anpi family classification
Other parts
m. Every 1G-15 as the bearer wishes, etc., every 519 simple packaging 1 paper or package, roll, h. Each Gong bearing material film point shrinkage patina
Multiple sets of auxiliary bearings are added inside each full promise, and the outer skin is used to support the most art summer paper for packaging h. Multiple auxiliary bearings are packed, each material
Single year auxiliary bearing is intended to help the brain to pack, fold firmly, and enter: a certificate box! 1. Straight sleeve draw bearing monthly record 7 olefin thin pulp package quantity, time award, and ask for 1 or more Plate three. After the connection, the ethylene composite bag needs to be packed, two single people 1 paper gold: h. Use the whole ethylene according to the measurement, single set packaging fold the diameter, and then single me 1 level box c. Fight according to the special material system
H. Single set 3 medical bag shoes (inner layer polyethylene belly band or B-end composite paper belt, kidney belt, ticket strong water transfer girl material belt
1. Small benefits are used for plastic phase in no, or use the plastic grid for packaging, and then change the mouth: 1. After the ethylene material is packed, put into the paper box, each person can exceed 1*; the annual intention quantity cannot exceed kk?
c. Single weight in (~-1650 g must be related to the ball, and the coverage is calculated every 2--4 months. The dirt is packed and the packaging is correct. The storage and packaging are generally: r, the annual weight of the ball is more than 1kg, and the packaging is carried out in a process of processing. 5.4.3 The detachable net (outer diameter 150mm) is used to remove the liquid. Before packaging, the inner and outer components should be separated and packed separately.
5.4.4 When the separable high-speed bundler is assembled into packaging, the light-controlled material can be used. 2. The more light-controlled materials are, the more interchangeable the dense industry (outer diameter 10m) is, and the inner and outer components are usually packed separately.
5.4.6 After consultation and agreement between the manufacturer and the user, other packaging methods may be used. 5.4.7 Rust quality test of single inner packaging
In order to determine the reliability of the inner packaging of the anti-rust product, the test method can be used when necessary. 1. Rain, fire, indoor dew and humidity test for more than 5c. Short-term anti-rust packaging should be tested: Service life: 1, 1 year anti-rust packaging should be tested on the cycle: c.2 Anti-rust packaging should be tested on the same period: Anti-rust material test method
6 Degree test
In the 0000 specified thickness test product, under the conditions of 2 ± 1000, the test is carried out for more than 20 minutes. On the side (1CCW> light, the moonlight passes through the layer from top to bottom, and the No. 5 black printed word on the bottom of the cup can be clearly recognized. The product is qualified. .2 Hot water wave commercial test
10 steel sheets with a diameter of 50mm×25mm and 2 steel sheets respectively. Put the clean original, cold-coat the test pool, put it under a wide benzene fitting at 241 and then immerse it in 3% VuCl concentration, heat preservation soil 5, observe the state of the case: 6.3 Xu Chuang Consulting Solubility Test Wheel
JH/T303493
Take 10αL of solution with plug (or test tube). Heat 5ml. Use ladder oil and test lamp to draw, plug the glass, move up and down several times: observe after 1 knife, the test oil should be completely clean in the lamp oil, and there should be no sediment. 6.4 Adhesion Test
Pour the test oil on a clean corrugated glass sheet (1comm×6Cmm), and the frequency is 15 to 25!5 C conditions for 2 hours before the injection, and then put the sludge surface upwards in a 2-well tank for 24 hours. Check for any visible light or other substances: 6.5 Volatility test
In a clean, 5m-diameter, 27-meter-deep well, take the test ball and put it in a 10=2-well tank for 4 hours, then cool it down in a tank and record it again. Volatility is calculated by the following formula:
W×100
Volatility (%)=WWww.bzxZ.net
Formula, where W is the test volume, and W is the test volume.
6.6 Static drop test
After the test piece is washed, put it into a clean glass well with the concave part facing up, add 2 drops of 3% NaCl solution to the test piece and drip it onto the test piece. The test piece is called the part, the old man 1 of the test: after the job out of the room error, check the rust of the test piece, 6.7 fuel computer disease elasticity test piece
Dun 1:11×5:111 14 low carbon steel sheet, H62 brass sheet 2 pieces after cleaning, put 25m×5:13ml test plastic film in the middle of the gold test piece: 1 piece of imm system sheet and 2mX2mm×75 stainless steel block in turn, move the re-pressed sample into 6+1 Hong fine stop 30. Then put it into the bottom of the dryer filled with 50% water, cover the seal tightly, and then put it into 50% of the material, test 2 hours later. Take out the plastic film and check the rust of the contact surface of the gold sheet.
Steel sheet, 2 yellow flip sheets are replaced without rust. 2 pieces of steel sheet and brass sheet are small in size and have small amount of rust. The rust test is conducted on 1 piece of steel sheet and 1 piece of waste sheet respectively. Transportation, storage and anti-rust period
During the transportation of the axle, it should be prevented from being disconnected and kept away from acid, alkali, salt and other rotten chemical substances for a long time. The axle should be kept away from the transportation during the transportation.
7.2 There should be no corrosive gas in the warehouse and its surrounding area. In winter, coal is prohibited in the warehouse. The air in the warehouse should be ventilated and the temperature should be maintained at 25±10℃. The speed should not be reduced by 80%. T.3 Under the conditions of avoiding 5.1 and 5.2, the bearing should not be exposed to the rust within the specified period. Additional remarks
This standard is issued by the Bearing Research Institute of the Machinery Industry. This standard is drafted by the Research Institute of the Ministry of Machinery Industry. The author of this standard is Pu Jiaohua,No more than 1 level
one suitable surface on the line
7 examples one fabrication to no effect
pregnancy 132, so the technical index seven cross-chemical
sex I 3 knot test, after the pull or whether there is reverse oil road epidemic, 5. 3. 2
French area
SH2353
SH/T 3311
(-$/1 511
The shaft has no excessive conditions, no adhesion, no pressure path, and the user's requirements. Choose different types of gears. Or the bearing should be immediately coated with anti-rust oil after cleaning. The oil-friendly method is in principle to use the following type of wet cleaning, which is to immerse the bearing metal parts in the anti-rust grease for many times, and then drip the oil, and then evenly apply the anti-rust grease on the bearing surface to transfer the inner filling grease to the bearing: the machine spray system, the anti-rust grease is evenly applied to the bearing with a mist finger. The quality of this can be verified by aging, too long, and there is no feeling of cleaning, no housing and tooth cracks, and no total test particles will be earned by the branch. 5. 3. 5
For closed type bearings, if external anti-rust oil is required, the process must take measures to prevent oil from being applied before the lubrication of the bearing is affected. 5.3.6
For external coating of small miniature bearings, other anti-rust coatings
5.3.8 For the quality of shaft anti-rust work, the rust rate of the finished product shall be evaluated after checking the sealing for 2 months. Small bearings
For medium-sized bearings
For large bearings
The corrosion rate is not less than 3%,
5.3.9 For steel balls, the corrosion rate of other bearings shall be in accordance with the requirements for shaft corrosion. 5. Inner packaging
5.4. 1 Sealing material
Polyethylene plastic or other materials (disc), the immediate corrosion test should be qualified; b.
Oil, Niuzhi paper:
Plain weave polyethylene paper:
Paper box moisture less than 12%:
Water extraction wave S0 less than 0.05
Polyethylene film in accordance with the provisions of GB41, and the corrosion test will be increased: Material
Effective medical multi-aluminum plastic film:
Nylon belt Bin plastic woven red belt;
Waterproof high humidity plastic belt
5. 4. 2 Method
JB/T 33493
Shaft flat inner packaging method: in principle, use the one in Table 5, Table 5 inner packaging method
Anpi family classification
Other parts
m. Every 1G-15 as the bearer wishes, etc., every 519 simple packaging 1 paper or package, roll, h. Each Gong bearing material film point shrinkage patina
Multiple sets of auxiliary bearings are added inside each full promise, and the outer skin is used to support the most art summer paper for packaging h. Multiple auxiliary bearings are packed, each material
Single year auxiliary bearing is intended to help the brain to pack, fold firmly, and enter: a certificate box! 1. Straight sleeve draw bearing monthly record 7 olefin thin pulp package quantity, time award, and ask for 1 or more Plate three. After the connection, the ethylene composite bag needs to be packed, two single people 1 paper gold: h. Use the whole ethylene according to the measurement, single set packaging fold the diameter, and then single me 1 level box c. Fight according to the special material system
H. Single set 3 medical bag shoes (inner layer polyethylene belly band or B-end composite paper belt, kidney belt, ticket strong water transfer girl material belt
1. Small benefits are used for plastic phase in no, or use the plastic grid for packaging, and then change the mouth: 1. After the ethylene material is packed, put into the paper box, each person can exceed 1*; the annual intention quantity cannot exceed kk?
c. Single weight in (~-1650 g must be related to the ball, and the coverage is calculated every 2--4 months. The dirt is packed and the packaging is correct. The storage and packaging are generally: r, the annual weight of the ball is more than 1kg, and the packaging is carried out in a process of processing. 5.4.3 The detachable net (outer diameter 150mm) is used to remove the liquid. Before packaging, the inner and outer components should be separated and packed separately.
5.4.4 When the separable high-speed bundler is assembled into packaging, the light-controlled material can be used. 2. The more light-controlled materials are, the more interchangeable the dense industry (outer diameter 10m) is, and the inner and outer components are usually packed separately.
5.4.6 After consultation and agreement between the manufacturer and the user, other packaging methods may be used. 5.4.7 Rust quality test of single inner packaging
In order to determine the reliability of the inner packaging of the anti-rust product, the test method can be used when necessary. 1. Rain, fire, indoor dew and humidity test for more than 5c. Short-term anti-rust packaging should be tested: Service life: 1, 1 year anti-rust packaging should be tested on the cycle: c.2 Anti-rust packaging should be tested on the same period: Anti-rust material test method
6 Degree test
In the 0000 specified thickness test product, under the conditions of 2 ± 1000, the test is carried out for more than 20 minutes. On the side (1CCW> light, the moonlight passes through the layer from top to bottom, and the No. 5 black printed word on the bottom of the cup can be clearly recognized. The product is qualified. .2 Hot water wave commercial test
10 steel sheets with a diameter of 50mm×25mm and 2 steel sheets respectively. Put the clean original, cold-coat the test pool, put it under a wide benzene fitting at 241 and then immerse it in 3% VuCl concentration, heat preservation soil 5, observe the state of the case: 6.3 Xu Chuang Consulting Solubility Test Wheel
JH/T303493
Take 10αL of solution with plug (or test tube). Heat 5ml. Use ladder oil and test lamp to draw, plug the glass, move up and down several times: observe after 1 knife, the test oil should be completely clean in the lamp oil, and there should be no sediment. 6.4 Adhesion Test
Pour the test oil on a clean corrugated glass sheet (1comm×6Cmm), and the frequency is 15 to 25!5 C conditions for 2 hours before the injection, and then put the sludge surface upwards in a 2-well tank for 24 hours. Check for any visible light or other substances: 6.5 Volatility test
In a clean, 5m-diameter, 27-meter-deep well, take the test ball and put it in a 10=2-well tank for 4 hours, then cool it down in a tank and record it again. Volatility is calculated by the following formula:
W×100
Volatility (%)=W
Formula, where W is the test volume, and W is the test volume.
6.6 Static drop test
After the test piece is washed, put it into a clean glass well with the concave part facing up, add 2 drops of 3% NaCl solution to the test piece and drip it onto the test piece. The test piece is called the part, the old man 1 of the test: after the job out of the room error, check the rust of the test piece, 6.7 fuel computer disease elasticity test piece
Dun 1:11×5:111 14 low carbon steel sheet, H62 brass sheet 2 pieces after cleaning, put 25m×5:13ml test plastic film in the middle of the gold test piece: 1 piece of imm system sheet and 2mX2mm×75 stainless steel block in turn, move the re-pressed sample into 6+1 Hong fine stop 30. Then put it into the bottom of the dryer filled with 50% water, cover the seal tightly, and then put it into 50% of the material, test 2 hours later. Take out the plastic film and check the rust of the contact surface of the gold sheet.
Steel sheet, 2 yellow flip sheets are replaced without rust. 2 pieces of steel sheet and brass sheet are small in size and have small amount of rust. The rust test is conducted on 1 piece of steel sheet and 1 piece of waste sheet respectively. Transportation, storage and anti-rust period
During the transportation of the axle, it should be prevented from being disconnected and kept away from acid, alkali, salt and other rotten chemical substances for a long time. The axle should be kept away from the transportation during the transportation.
7.2 There should be no corrosive gas in the warehouse and its surrounding area. In winter, coal is prohibited in the warehouse. The air in the warehouse should be ventilated and the temperature should be maintained at 25±10℃. The speed should not be reduced by 80%. T.3 Under the conditions of avoiding 5.1 and 5.2, the bearing should not be exposed to the rust within the specified period. Additional remarks
This standard is issued by the Bearing Research Institute of the Machinery Industry. This standard is drafted by the Research Institute of the Ministry of Machinery Industry. The author of this standard is Pu Jiaohua,6
Other coatings for small and micro bearings
5.3.8 Anti-rust work quality of shafts, to check the rust rate of finished products after 2 months of sealing. Small bearings
Medium-sized bearings
Large bearings
This part 2:
Not more than 3%,
5.3.9 Steel balls, deep needle technology, other bearing parts shall be carried out according to the requirements for shaft rust. 5. Inner packaging
5.4.1 Sealing material
Polyethylene plastic or other materials (trays), the immediate corrosion test should be qualified; b.
Oil, greaseproof paper:
Plain weave polyethylene paper:
Carton moisture less than 12%:
Water extraction wave S0 less than 0.05
Polyethylene film in accordance with the provisions of GB41, and the corrosion test will be increased: Material
Effective medical polyaluminum plastic film:
Nylon belt Bin plastic woven red belt;
Waterproof high humidity plastic belt
5. 4.2 Method
JB/T 33493
Inner packing method of flat shaft: in principle, adopt the one specified in Table 5, inner packing method in Table 5
Anti-family classification
Other parts
m. Every 1G-15 as the bearer wishes, every 519 is simply packed in 1 paper or package, roll, h. Each bearing material film point shrinkage patina
Multiple sets of auxiliary bearings are added inside each full promise, and the outer surface is wrapped with ten summer paper for h. Multiple auxiliary bearings are packed, each material
Single auxiliary bearing is used for each year. Please help me pack it, fold it firmly, and put it into a certificate box! 1. Straight set of thin ethylene pulp package, when the prize, and ask for 1 plate three. After the connection, the ethylene composite blood bag needs to be packaged, two single people ask for 1 paper gold: h. Use the whole ethylene according to the measurement, single set packaging folding diameter, and then single me 1 level box c. Fight according to the special material system
H. Single set 3 medical benefit package shoes (inner layer polyethylene belly band or B-end composite paper band, kidney band, ticket strong water transfer girl material band
1. Small benefits are used for plastic phase in no, or use the plastic grid to do packaging, and then change the mouth: 1. After the ethylene material is packaged, it is packed into a paper box. The amount of each person can exceed 1*; the amount of each person cannot exceed kk?
c. The single weight must be (~-1650 g, for, cover every 2--4 ~ Monthly epidemic Z. Scale packing and packing, storage and packing: r, annual weight of 1kg, the ball ion, the method of packing 5.4.3 separable net only liquid (outer diameter 150mm), before packing, the inner and outer components should be separated and packed separately
5.4.4 separable high-axis bundle machine packaging. Can use control material 2 light-limited certificate, more than 4.5 interchangeable dense industry bearing (outer diameter 10m) 50% food packaging broken according to the shadow, the inner and outer components of the stock market T single Zhu packing.
5.4.6 after consultation and agreement between the manufacturer and the user, can be Use other packaging methods, 5.4.7 Single piece inner packaging rust quality test questions
In order to determine the reliability of the inner packaging of the rust-proof product, the test method can be used when necessary, 1 rain and fire indoor dew 2 and humidity test for more than 5c, short-term rust-proof packaging parts should be tested: Service life: 1, 1 year rust-proof packaging parts should be tested on the cycle: c.2 Flat rust-proof packaging parts should be tested at the same time: rust-proof material test method
6 degree test
In 00, the specified thick test oil products shall be tested under 2±1 conditions for more than 20, on the side (1CCW> light , the moonlight passes through the layer from top to bottom, and the No. 5 black printed product on the bottom of the cup is qualified. 2 hot water wave commercial test
10 steel sheets with a rate of 50mm×25mm! 2 pieces of steel sheets and 2 pieces of steel sheets. The clear original, cold coating test pool, in a wide benzene piece placed under 241 and immersed in 3% VuCl concentration, insulation soil 5, observation case well Ha Shengnuo and state: 6.3 Xu Chuang Consulting Solvability Test Wheel
JH/T303493
Take 10αL of solution with plug (or class test tube). Cool 5ml. Use ladder oil and test lamp to draw, plug the glass, and move up and down several times: static Observe after 1 second, the test oil should be completely fresh in the lamp oil, and there should be no sediment after washing. 6.4 Adhesion test
Pour the test oil on a clean corrugated glass sheet (1cm×6cm), and place it under 25°C for 15h for 2h. Then place it in a clean room with an outer diameter of about 5m and a depth of 27°C, and check whether there is any smooth surface. 6.5 Volatility test
Put the test oil on a clean corrugated glass sheet (1cm×6cm), and place it under 25°C for 15h for 2h. Then place it in a clean room with an outer diameter of about 5m and a depth of 27°C, and place it in a 10=2% volatility box for 4h. Then take it out and cool it in a cooling chamber. Then place it in a clean room. Calculate the volatility according to the following formula:
W×100
Volatility (%)=W
, and the volatility is calculated according to the following formula:
W×100
Volatility (%)=W
, and the volatility is calculated according to the following formula: W=test cell volatility.
6.6 Static drop test
After the test piece is washed and disinfected: put the concave part into a clean glass culture medium, add 2 drops of 3% NaCl solution to the test piece with a drop barrier, and then test it under 1 condition: after that, take it out of the cooling room, check the rust of the test piece. 6.7 Fuel computer disease test object
1:11×5:111 14 low carbon steel sheet, 2 pieces of H62 brass sheet are washed and disinfected. After cleaning, place 25m×5:13ml test plastic film on the middle of the gold test piece: 1 piece of imm carrier sheet and 2mX2mm×75 stainless steel block in turn, move the re-pressed sample into 6+1 Hong fine for 30 minutes, and then put it into a dry container with 50% pool water at the bottom, cover it tightly, and then put it into 50% of the material, test it for 2 hours. Take out and check the rust condition of the contact surface between the plastic film and the gold test piece.
Steel sheet and brass sheet 2 pieces are rust-free. Steel sheet and brass sheet 2 pieces are rust-free, and steel sheet and waste sheet each have 1 piece of rust test. Transportation, storage and anti-rust period
The vertical vehicle transportation process should be prevented from being in contact with acid, chlorine, salt and other rotten chemical substances for a long time, and the six-phase transportation should be prevented from being in contact with the steel sheet.
7.2 There must be no corrosive gas in the warehouse and its surroundings. In winter, coal-fired fuel is prohibited in the warehouse. The air in the warehouse should be ventilated and the temperature should be maintained at 25±10℃. The speed should not be reduced by 80%. T.3 Under the conditions of avoiding 5.1 and 5.2, the bearings should not be rusted within the specified period. Additional remarks
This standard is issued by the Mechanical Industry Research Institute. This standard was drafted by the Ministry of Machinery Industry. The author of this standard is Pu Jiaohua.6
Other coatings for small and micro bearings
5.3.8 Anti-rust work quality of shafts, to check the rust rate of finished products after 2 months of sealing. Small bearings
Medium-sized bearings
Large bearings
This part 2:
Not more than 3%,
5.3.9 Steel balls, deep needle technology, other bearing parts shall be carried out according to the requirements for shaft rust. 5. Inner packaging
5.4.1 Sealing material
Polyethylene plastic or other materials (trays), the immediate corrosion test should be qualified; b.
Oil, greaseproof paper:
Plain weave polyethylene paper:
Carton moisture less than 12%:
Water extraction wave S0 less than 0.05
Polyethylene film in accordance with the provisions of GB41, and the corrosion test will be increased: Material
Effective medical polyaluminum plastic film:
Nylon belt Bin plastic woven red belt;
Waterproof high humidity plastic belt
5. 4.2 Method
JB/T 33493
Inner packing method of flat shaft: in principle, adopt the one specified in Table 5, inner packing method in Table 5
Anti-family classification
Other parts
m. Every 1G-15 as the bearer wishes, every 519 is simply packed in 1 paper or package, roll, h. Each bearing material film point shrinkage patina
Multiple sets of auxiliary bearings are added inside each full promise, and the outer surface is wrapped with ten summer paper for h. Multiple auxiliary bearings are packed, each material
Single auxiliary bearing is used for each year. Please help me pack it, fold it firmly, and put it into a certificate box! 1. Straight set of thin ethylene pulp package, when the prize, and ask for 1 plate three. After the connection, the ethylene composite blood bag needs to be packaged, two single people ask for 1 paper gold: h. Use the whole ethylene according to the measurement, single set packaging folding diameter, and then single me 1 level box c. Fight according to the special material system
H. Single set 3 medical benefit package shoes (inner layer polyethylene belly band or B-end composite paper band, kidney band, ticket strong water transfer girl material band
1. Small benefits are used for plastic phase in no, or use the plastic grid to do packaging, and then change the mouth: 1. After the ethylene material is packaged, it is packed into a paper box. The amount of each person can exceed 1*; the amount of each person cannot exceed kk?
c. The single weight must be (~-1650 g, for, cover every 2--4 ~ Monthly epidemic Z. Scale packing and packing, storage and packing: r, annual weight of 1kg, the ball ion, the method of packing 5.4.3 separable net only liquid (outer diameter 150mm), before packing, the inner and outer components should be separated and packed separately
5.4.4 separable high-axis bundle machine packaging. Can use control material 2 light-limited certificate, more than 4.5 interchangeable dense industry bearing (outer diameter 10m) 50% food packaging broken according to the shadow, the inner and outer components of the stock market T single Zhu packing.
5.4.6 after consultation and agreement between the manufacturer and the user, can be Use other packaging methods, 5.4.7 Single piece inner packaging rust quality test questions
In order to determine the reliability of the inner packaging of the rust-proof product, the test method can be used when necessary, 1 rain and fire indoor dew 2 and humidity test for more than 5c, short-term rust-proof packaging parts should be tested: Service life: 1, 1 year rust-proof packaging parts should be tested on the cycle: c.2 Flat rust-proof packaging parts should be tested at the same time: rust-proof material test method
6 degree test
In 00, the specified thick test oil products shall be tested under 2±1 conditions for more than 20, on the side (1CCW> light , the moonlight passes through the layer from top to bottom, and the No. 5 black printed product on the bottom of the cup is qualified. 2 hot water wave commercial test
10 steel sheets with a rate of 50mm×25mm! 2 pieces of steel sheets and 2 pieces of steel sheets. The clear original, cold coating test pool, in a wide benzene piece placed under 241 and immersed in 3% VuCl concentration, insulation soil 5, observation case well Ha Shengnuo and state: 6.3 Xu Chuang Consulting Solvability Test Wheel
JH/T303493
Take 10αL of solution with plug (or class test tube). Cool 5ml. Use ladder oil and test lamp to draw, plug the glass, and move up and down several times: static Observe after 1 second, the test oil should be completely fresh in the lamp oil, and there should be no sediment after washing. 6.4 Adhesion test
Pour the test oil on a clean corrugated glass sheet (1cm×6cm), and place it under 25°C for 15h for 2h. Then place it in a clean room with an outer diameter of about 5m and a depth of 27°C, and check whether there is any smooth surface. 6.5 Volatility test
Put the test oil on a clean corrugated glass sheet (1cm×6cm), and place it under 25°C for 15h for 2h. Then place it in a clean room with an outer diameter of about 5m and a depth of 27°C, and place it in a 10=2% volatility box for 4h. Then take it out and cool it in a cooling chamber. Then place it in a clean room. Calculate the volatility according to the following formula:
W×100
Volatility (%)=W
, and the volatility is calculated according to the following formula:
W×100
Volatility (%)=W
, and the volatility is calculated according to the following formula: W=test cell volatility.
6.6 Static drop test
After the test piece is washed and disinfected: put the concave part into a clean glass culture medium, add 2 drops of 3% NaCl solution to the test piece with a drop barrier, and then test it under 1 condition: after that, take it out of the cooling room, check the rust of the test piece. 6.7 Fuel computer disease test object
1:11×5:111 14 low carbon steel sheet, 2 pieces of H62 brass sheet are washed and disinfected. After cleaning, place 25m×5:13ml test plastic film on the middle of the gold test piece: 1 piece of imm carrier sheet and 2mX2mm×75 stainless steel block in turn, move the re-pressed sample into 6+1 Hong fine for 30 minutes, and then put it into a dry container with 50% pool water at the bottom, cover it tightly, and then put it into 50% of the material, test it for 2 hours. Take out and check the rust condition of the contact surface between the plastic film and the gold test piece.
Steel sheet and brass sheet 2 pieces are rust-free. Steel sheet and brass sheet 2 pieces are rust-free, and steel sheet and waste sheet each have 1 piece of rust test. Transportation, storage and anti-rust period
The vertical vehicle transportation process should be prevented from being in contact with acid, chlorine, salt and other rotten chemical substances for a long time, and the six-phase transportation should be prevented from being in contact with the steel sheet.
7.2 There must be no corrosive gas in the warehouse and its surroundings. In winter, coal-fired fuel is prohibited in the warehouse. The air in the warehouse should be ventilated and the temperature should be maintained at 25±10℃. The speed should not be reduced by 80%. T.3 Under the conditions of avoiding 5.1 and 5.2, the bearings should not be rusted within the specified period. Additional remarks
This standard is issued by the Mechanical Industry Research Institute. This standard was drafted by the Ministry of Machinery Industry. The author of this standard is Pu Jiaohua.After packaging with the same material, put it into the carton. The weight of each ball cannot exceed 1*; the weight cannot exceed kk?
c. The weight of each ball must be (~-1650g, and the coverage is calculated every 2-4 months. Z. The weight of each ball must be 1kg. The packaging should be carried out in the same way. 5.4.3 Separable net (outer diameter 150mm), before packaging, the inner and outer components should be separated and packed separately
5.4.4 Separable high-rise shaft packaging machine. Can use 2 light-limited materials, more than 4.5 interchangeable dense industry bearing (outer 10m in diameter) 50% of the food packaging is broken, the inner and outer components are T-packed.
5.4.6 After consultation and agreement between the manufacturer and the user, other methods of packaging can be used. 5.4.7 The rust quality test of the single inner packaging
is to determine the rationality of the inner packaging of the anti-rust product city. It can be tested by the service 8 fashion exhibition method when necessary. 1 Rain fire indoor green dew 2 and wet dynamic building test for more than 5c, short-term anti-rust packaging, Test: Use period: 1, 1 year rust compensation period Package parts should be tested on the same period: c.2 anti-rust period Package parts should be tested on the same period: Anti-rust material test method
6 degree test
In 00 completed thick sincere test oil products, under 2 ± 1 conditions, I set 20 for more than, on the side (1CCW> light, moonlight from top to bottom, can clearly recognize the bottom of the cup of the No. 5 black edge print is qualified. Cloth.2 heat Water wave test
10 steel sheets with a diameter of 50mm×25mm and 2 steel sheets respectively. Put the clear water into the cold test pool, put it in a wide benzene tank at 241 and then immerse it in 3% VuCl2 solution, keep it warm for 5 minutes, and observe the state of the well: 6.3 Xu Chuang Consulting Solvability Test Wheel
JH/T303493
Take 10αL of solution with plug (or test tube). Cool 5ml in turn. Use ladder oil and During the test, place the test oil on a clean glass sheet (1 cm × 6 cm), and place it under 25°C for 15 minutes for 2 hours. Then place the test oil on the surface facing upwards and observe for 24 hours. The test oil should be completely clean in the oil lamp and no sediment is found. 6.4 Adhesion test
Place the test oil on a clean glass sheet (1 cm × 6 cm), and place it under 25°C for 15 minutes for 2 hours. Then place the test oil on the surface facing upwards and observe for 24 hours. 6.5 Volatility test
In a clean room with an outer diameter of about 5m and a depth of 27, take about 2 test balls and place them in a 10=2 volatility chamber for 4 hours, then cool them in a container and record them again. Volatility is calculated according to the following formula:
W×100
Volatility (%)=W
, where W is the average test volume, and W is the test volume.
6.6 Static Drop test
After the test piece is washed and disinfected: put the concave part into a clean glass culture medium, add 2 drops of 3% NaCl solution to the test piece, and then test it under the following conditions: after leaving the clean room, check the rust of the test piece, 6.7 fuel computer disease test object
1:11×5:111 14 low carbon steel sheet, 2 H62 brass sheets after washing, Place a 25m×5:13ml test plastic film on the middle of the gold test piece: place a 1mm carrier sheet and a 2mX2mm×75mm stainless steel block in turn, move the pressed sample into a 6+10ml filter container with 50ml pool water at the bottom, cover it tightly with a seal, and then put it into 50ml of the material. After 2 hours of testing, take out and check the rust condition of the contact surface between the plastic film and the gold test piece.
2 pieces of steel sheet and brass sheet are suitable for no rust. 2 pieces of steel sheet and brass sheet are suitable for small rust, and 1 piece of steel sheet and waste sheet are tested for heavy rust. Transportation, storage and anti-rust period
. During the transportation of the vertical vehicle, it should be prevented from being in contact with acids, salts, etc., and the corrosion of chemical substances should be avoided.
7.2 There must be no corrosive gas in the warehouse and its surroundings. In winter, coal-fired fuel is prohibited in the warehouse. The air in the warehouse should be ventilated and the temperature should be maintained at 25±10℃. The speed should not be reduced by 80%. T.3 Under the conditions of avoiding 5.1 and 5.2, the bearings should not be rusted within the specified period. Additional remarks
This standard is issued by the Mechanical Industry Research Institute. This standard was drafted by the Ministry of Machinery Industry. The author of this standard is Pu Jiaohua.After packaging with the same material, put it into the carton. The weight of each ball cannot exceed 1*; the weight cannot exceed kk?
c. The weight of each ball must be (~-1650g, and the coverage is calculated every 2-4 months. Z. The weight of each ball must be 1kg. The packaging should be carried out in the same way. 5.4.3 Separable net (outer diameter 150mm), before packaging, the inner and outer components should be separated and packed separately
5.4.4 Separable high-rise shaft packaging machine. Can use 2 light-limited materials, more than 4.5 interchangeable dense industry bearing (outer 10m in diameter) 50% of the food packaging is broken, the inner and outer components are T-packed.
5.4.6 After consultation and agreement between the manufacturer and the user, other methods of packaging can be used. 5.4.7 The rust quality test of the single inner packaging
is to determine the rationality of the inner packaging of the anti-rust product city. It can be tested by the service 8 fashion exhibition method when necessary. 1 Rain fire indoor green dew 2 and wet dynamic building test for more than 5c, short-term anti-rust packaging, Test: Use period: 1, 1 year rust compensation period Package parts should be tested on the same period: c.2 anti-rust period Package parts should be tested on the same period: Anti-rust material test method
6 degree test
In 00 completed thick sincere test oil products, under 2 ± 1 conditions, I set 20 for more than, on the side (1CCW> light, moonlight from top to bottom, can clearly recognize the bottom of the cup of the No. 5 black edge print is qualified. Cloth.2 heat Water wave test
10 steel sheets with a diameter of 50mm×25mm and 2 steel sheets respectively. Put the clear water into the cold test pool, put it in a wide benzene tank at 241 and then immerse it in 3% VuCl2 solution, keep it warm for 5 minutes, and observe the state of the well: 6.3 Xu Chuang Consulting Solvability Test Wheel
JH/T303493
Take 10αL of solution with plug (or test tube). Cool 5ml in turn. Use ladder oil and During the test, place the test oil on a clean glass sheet (1 cm × 6 cm), and place it under 25°C for 15 minutes for 2 hours. Then place the test oil on the surface facing upwards and observe for 24 hours. The test oil should be completely clean in the oil lamp and no sediment is found. 6.4 Adhesion test
Place the test oil on a clean glass sheet (1 cm × 6 cm), and place it under 25°C for 15 minutes for 2 hours. Then place the test oil on the surface facing upwards and observe for 24 hours. 6.5 Volatility test
In a clean room with an outer diameter of about 5m and a depth of 27, take about 2 test balls and place them in a 10=2 volatility chamber for 4 hours, then cool them in a container and record them again. Volatility is calculated according to the following formula:
W×100
Volatility (%)=W
, where W is the average test volume, and W is the test volume.
6.6 Static Drop test
After the test piece is washed and disinfected: put the concave part into a clean glass culture medium, add 2 drops of 3% NaCl solution to the test piece, and then test it under the following conditions: after leaving the clean room, check the rust of the test piece, 6.7 fuel computer disease test object
1:11×5:111 14 low carbon steel sheet, 2 H62 brass sheets after washing, Place a 25m×5:13ml test plastic film on the middle of the gold test piece: place a 1mm carrier sheet and a 2mX2mm×75mm stainless steel block in turn, move the pressed sample into a 6+10ml filter container with 50ml pool water at the bottom, cover it tightly with a seal, and then put it into 50ml of the material. After 2 hours of testing, take out and check the rust condition of the contact surface between the plastic film and the gold test piece.
2 pieces of steel sheet and brass sheet are suitable for no rust. 2 pieces of steel sheet and brass sheet are suitable for small rust, and 1 piece of steel sheet and waste sheet are tested for heavy rust. Transportation, storage and anti-rust period
. During the transportation of the vertical vehicle, it should be prevented from being in contact with acids, salts, etc., and the corrosion of chemical substances should be avoided.
7.2 There must be no corrosive gas in the warehouse and its surroundings. In winter, coal-fired fuel is prohibited in the warehouse. The air in the warehouse should be ventilated and the temperature should be maintained at 25±10℃. The speed should not be reduced by 80%. T.3 Under the conditions of avoiding 5.1 and 5.2, the bearings should not be rusted within the specified period. Additional remarks
This standard is issued by the Mechanical Industry Research Institute. This standard was drafted by the Ministry of Machinery Industry. The author of this standard is Pu Jiaohua.2, the bearing shall not be allowed to rust within the specified period. Additional Notes
This standard is issued by the Mechanical Industry Tribe Bearing Research Institute. This standard was drafted by the Mechanical Industry Ministry Ge Yangji Research Institute. This standard was initiated by Pu Jiaohua,2, the bearing shall not be allowed to rust within the specified period. Additional Notes
This standard is issued by the Mechanical Industry Tribe Bearing Research Institute. This standard was drafted by the Mechanical Industry Ministry Ge Yangji Research Institute. This standard was initiated by Pu Jiaohua,
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