JB/T 3576-1999 General technical requirements for rust prevention of rock drilling machinery and pneumatic tools

JB/T 3576-1999 JB/T 3576-1999 General technical conditions for rust prevention of rock drilling machinery and pneumatic tools JB/T3576-1999 Standard download decompression password: www.bzxz.net

ICS73.100.10
Machinery Industry Standard of the People's Republic of China
JB/T3576—1999
Rock Drilling Machinery and Pneumatic Tools
General Specifications for Rust-Preventing
General Specifications for Rust-Preventing of Rock-Drilling Machines and Pneumatic ToolsPublished on 1999-06-28
National Bureau of Machinery Industry
Implemented on 2000-01-01
JB/T3576—1999
This standard is a revision of JB3576-84 "General Specifications for Rust-Preventing of Rock-Drilling Machines and Pneumatic Tools". During the revision, only editorial changes were made according to relevant regulations, and the main technical content remained unchanged. This standard replaces JB3576-84 from the date of implementation. This standard is proposed and managed by the National Technical Committee for Standardization of Rock Drilling Machinery and Pneumatic Tools. The drafting unit of this standard is Shenyang Rock Drilling Machinery Co., Ltd. The main drafters of this standard are Liu Xiaojie and Chen Shanglin. This standard was first issued in 1984. This is the first revision. 1 Scope
Machinery Industry Standard of the People's Republic of China
Rock Drilling Machinery and Pneumatic Tools
General Specifications for Rust-Preventing of Rock-Drilling Machinery and Pneumatic Tools JB/T 3576—1999
Replaces JB3576—84
This standard specifies the general technical conditions for rust-preventing of rock-drilling machinery and pneumatic tools in the design, manufacture, use and maintenance of rock-drilling machinery and pneumatic tools. This standard applies to the rust prevention of rock-drilling machinery and pneumatic tools and related products. 2 Referenced Standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard was published, the versions shown were valid. All standards are subject to revision. Parties using this standard should explore the possibility of using the latest version of the following standards. GB2521994
GB1922—1980
JB/T73021994
JB/T98571999
3 Terms
3.1 Anti-rust period
Light diesel oil
Solvent oil
General technical conditions for packaging of rock drilling machinery and pneumatic tools General technical conditions for painting of rock drilling machinery and pneumatic tools The anti-rust period that can be achieved for products and related products from the time when certain anti-rust measures are taken. 3.2 Anti-rust liability period
The period of responsibility that the manufacturer should bear for the anti-rust quality of products and related products from the date of leaving the factory under normal storage and transportation conditions. 3.3 Normal storage conditions
During storage, the product is not exposed to sunlight or rain, does not come into contact with corrosive media such as acid, alkali, salt, etc.; the inner and outer packaging are not damaged; the temperature does not exceed 39°C, and the relative humidity is not greater than 85%. 3.4 Normal transportation conditions
During transportation, the product is not directly exposed to sunlight or rain, does not directly come into contact with corrosive media such as acid, alkali, salt, etc., and the inner and outer packaging are not damaged.
3.5 Inner and outer packaging
The packaging quality should comply with the provisions of JB/T7302. 3.6 Pretreatment
The rust removal, cleaning and drying treatment of products and related products before rust-proof packaging are collectively referred to as pretreatment. 3.7 Rust rate
The percentage of the rusted area to the total area of ​​the same rusted surface of the product. Approved by the State Bureau of Machinery Industry on June 28, 1999 and implemented on January 1, 2000
3.8 Classification of product rust prevention
JB/T3576-1999
In order to facilitate the rust prevention technical requirements for different types of products, the product rust prevention is classified according to the product size according to Table 1 Table 1 Product rust prevention classification
Product size
Small products
Medium products
Large products
4 Anti-rust period
4.1 Anti-rust period requirements:
a) 7 to 30 days between processes:
Examples of product varieties
Air shovel, air pick, air grinding wheel, air trigger, pneumatic riveter, etc. Air leg type, upward type, guide rail type, handheld rock drill and down-the-hole impactor, air motor, air pump, etc. Rubber wheel, rail wheel, crawler and other types of drilling vehicles, drilling machines, drilling racks, etc. b) Intermediate warehouse requirements 30 days to 12 months:
c) Factory sealing requirements 2 years.
4.2 Anti-rust liability period
The anti-rust liability period is 1.5 years.
4.3 For those with special requirements for products, the supply and demand parties shall negotiate and formulate. 5 Anti-rust requirements in the product production process
5.1 The main parts must be cleaned and anti-rusted in time after fine processing. 5.2 The cutting fluid and cutting oil used in machining must have a certain anti-rust ability, and should be checked and replaced regularly. 5.3 After heat treatment, the parts, especially those treated with salt bath and salt water quenching, must be cleaned, sandblasted (shot), and passivated before entering the next machining process (except for the use of new heat treatment processes with anti-rust ability). 5.4 The excess acid with corrosive acid marks on the fine-machined parts must be neutralized in time to prevent rust. 5.5 The parts must be rust-proofed when entering the intermediate warehouse: the warehouse must be clean. 5.6 Before assembly, the parts must be inspected according to the requirements of this standard and can only be assembled after passing the inspection. 5.7 During assembly, replacement anti-rust oil or anti-rust lubricating oil should be applied, and assembly should be carried out with oil. If the oil film is damaged after the test run, the main parts and components should be removed and the anti-rust treatment should be carried out again.
5.8 The compressed air used during the test run must be dehydrated by an oil-water separator before use. 6 Rust prevention pretreatment and general requirements
Rust removal quality requirements
Under the conditions of meeting the accuracy and performance, the rust removal quality should meet the requirements of Table 2. Table 2 Rust removal quality requirements
Non-processing
JB/T3576-1999
Surface roughness R value is greater than 08μn
Surface with relative motion, surface roughness R. The value is 3.2~1.6um. There is no relative motion surface. The surface roughness R value is 3.2~1.6um. The surface roughness R value is less than 63m.
Outer surface of handle body of Class A products, inner surface of hydraulic system, general pipeline and various profiles
Note: The rust removal quality of the main parts of Class A and Class B products below IV is improved by one level. 6.2 Cleaning quality requirements and test methods
6.2.1 Cleaning quality requirements
The surface has a shiny metallic luster
The surface has a uniform metallic luster
No residue on the surface
95% of the surface is free of rust
The surface has a slight metallic luster
95% of the surface is free of rust
Before anti-rust treatment, the visible oil, dust, debris, acid, alkali and other dirt that are easy to cause rust on the parts must be removed. According to the different anti-rust period of the parts, the cleaning quality should meet the requirements of Table 3. Table 3 Requirements for cleaning quality
Rust-proof period more than 2 years
Rust-proof period 1~2 years
Rust-proof period 0.5~1 year
6.2.2 Test method for cleaning quality
6.2.2.1 Visual test
Completely remove dirt and old oil layer, and remove fingerprints, sweat stains and coloring. Basically remove dirt and old oil layer
Remove dirt, allowing a small amount of old oil layer to remain. Place the sample surface about 30 cm away from the naked eye under daylight or a 40W fluorescent lamp, and observe whether there is any residue on the surface and its cleanliness condition.
6.2.2.2 Wipe test
Wipe a certain part of the cleaned surface with a clean white cloth and observe whether the white cloth is contaminated. 6.2.2.3 Solvent test
When the cleaning quality requirements are high, a new solvent should be used for washing, and then observe whether there is dirt, suspended matter or sediment in the solvent. If necessary, filter and weigh.
6.2.2.4 pH value test
Wet the cleaned metal surface (wet a part of the dry surface with distilled water) and check the pH value with a precision pH test paper. Drying quality requirements
The cleaned parts should be dried immediately. No residual liquid of the cleaning agent should be visible visually. The drying time should be shortened as much as possible. When using water-based cleaning and oil sealing, the parts must be dehydrated or dried before they can be oiled and sealed. 6.4 Anti-rust parts
6.4.1 All exposed surfaces of steel products and accessories, spare parts, and random tools must be treated with anti-rust. 6.4.2 Non-processed surfaces may be painted with anti-rust paint according to JB/T9857.3 The outer surface of the magnesium alloy parts of the product must be oxidized or painted for corrosion protection. 3
JB/T3576-1999
6.4.4 The surface with relative movement inside the product must be treated for rust prevention. 6.4.5 Before assembly, purchased parts and outsourced parts (except for parts with rust prevention measures for Class C products) must be treated for rust prevention again. 6.5 Appearance requirements for product rust prevention
6.5.1 When using anti-rust grease for rust prevention, the oil film must be uniform and continuous, without any missing parts. 6.52 When using vapor corrosion inhibitor for rust prevention, the sealing of the inner packaging must be ensured; ensure sufficient dosage and within the effective rust prevention distance (the distance between the metal surface and the vapor corrosion inhibitor shall not exceed 30cm, and the amount shall not be less than 30g per cubic meter of space). 6.5.3 Use peelable plastic for sealing, the film quality should be uniform, without cracks or missing parts, and the film thickness should meet the requirements. 6.6 Working conditions for rust prevention
6.6.1 The site for rust prevention should be bright, clean and free of corrosive gases. Rust prevention should be carried out at the lowest possible humidity. 6.6.2 Cleaning, drying and rust prevention should be carried out continuously. If the interval is more than 4 hours, temporary rust prevention should be carried out. 6.6.3 During rust prevention, the temperature of the product and parts should be balanced with the ambient temperature before the treatment. 7 Quality requirements for rust prevention materials
7.1 The rust prevention materials used must meet the requirements of the storage, transportation and use environment. The rust prevention performance of rust prevention materials should meet the requirements of the rust prevention period in Chapter 4.
7.2 For the purchased and self-prepared cleaning fluids and rust prevention materials, their main technical indicators should be sampled and inspected according to the specific conditions of use of each factory. The sampling inspection method should comply with the provisions of the corresponding national standards and industry standards. 7.3 Cleaning materials
Petroleum solvents should not contain tetraethyl lead and meet the quality requirements of Table 4. Non-petroleum solvents (such as ketones, ethers, alcohols, water-based cleaning agents, halogenated hydrocarbons, etc.) should comply with the relevant national standards and industry standards. Table 4 Quality requirements for petroleum solvents for cleaning
Name and variety
Compliance standards
Solvent oil (including NY-120, NY-190, NY-260) GB1922
8 Inspection rules for rust prevention quality
Light diesel oil (including 10, 0, -10, -20, -35) GB252
8.1 Products must be inspected by the manufacturer's quality inspection department before leaving the factory, and can only leave the factory after meeting all technical requirements for rust prevention. 8.2 If the product has been treated with rust prevention and sealed for more than 1.5 years, the manufacturer's quality inspection department shall conduct random inspections on its rust prevention before shipment. If the oil layer is found to be emulsified, deteriorated, detached, cracked, lost, or exposed on the surface, and if the sealed packaging of the vapor phase corrosion inhibitor is leaking, the rust prevention must be re-treated.
8.3 Rust grade
If the product rusts during storage and transportation, it can be graded and identified according to the rust grade in Table 5. Table 5 Rust grade
Maintain the original metallic luster
Rust rate
JB/T3576-1999
The metallic luster disappears and becomes gray
Steel parts have light yellow or light red (white for magnesium alloys, green or dark red for copper) and fine powdery rust
Steel parts show yellow or reddish brown patches with powdery rust edgesSteel parts show brown, flaky rust layers or raised rust spotsNote: If either the degree of rust or the rate of rust exceeds the target, the rust level will be reduced by one level8.4 Acceptance criteria for product anti-rust quality
>5%~15%
8.4.1 During product acceptance, within three months after delivery and within the product’s anti-rust liability period, users may propose product anti-rust quality requirements to the manufacturer in accordance with the provisions of Table 6.
Table 6 Anti-rust quality classification and applicable scope
Rust level
Surface roughness and working condition
Surface roughness R. value is greater than 0.8um
Surface with relative motion and partially smooth non-machined surface, surface roughness R value is 3.2~1.6um
Mating surface without relative motion: surface roughness R value is 3.2-46um General non-machined surface, general welding surface: surface roughness R value is less than 6.3μm
Note: For elongated holes less than 10, the rust level in the table is reduced by one level. Scope of application
Piston, spiral rod, ratchet, inner surface of cylinder and core parts of machine, rolling bearing, etc.
Spline, thread, etc.
Coupling, flange, etc.
General contact surface, random tools, accessories, etc., some parts of Class C products that do not affect the performance of use 8.4.2 Products are qualified after inspection if they do not exceed the requirements of Table 6 and do not directly affect the performance, accuracy and use of the product. 8.4.3 Products should be inspected immediately after unsealing, and should be reprocessed and packaged as soon as possible according to the relevant provisions of pre-treatment, rust prevention and packaging to prevent rust.
Republic
Mechanical Industry Standard
Rock Drilling Machinery and Pneumatic Tools
General Technical Conditions for Rust Prevention
JB/T3576—1999
Published and issued by the Mechanical Science Research Institute
Printed by the Mechanical Science Research Institute
(No. 2 Shouti South Road, Beijing, Postal Code 100044)*
2Number of words 12000
Format 880×12301/16Printing sheet 1/2
First edition in December 1999
First printing in December 1999
Print number 1—500
Price 500 yuan
No. 99-1038
Mechanical Industry Standard Service Network: http:/hvwwJB.ac.cn6669/3 Rust grade
If the product rusts during storage and transportation, it can be graded and identified according to the rust grades in Table 5. Table 5 Rust grade
Maintain the original metal luster
Rust rate
JB/T3576-1999bZxz.net
The metal luster disappears and becomes gray
Fine powdery rust appears on steel parts, such as pale yellow or light red (white for magnesium alloy and green or dark red for copper)||tt ||Steel parts show yellow or reddish brown patches with powdery rust edgesSteel parts show brown, flaky rust layers or raised rust spotsNote: If either the degree of rust or the rate of rust exceeds the target, the rust level will be reduced by one level8.4 Acceptance criteria for product anti-rust quality
>5%~15%
8.4.1 During product acceptance, within three months after delivery and within the product’s anti-rust liability period, users may propose product anti-rust quality requirements to the manufacturer in accordance with the provisions of Table 6.
Table 6 Anti-rust quality classification and applicable scope
Rust level
Surface roughness and working condition
Surface roughness R. value is greater than 0.8um
Surface with relative motion and partially smooth non-machined surface, surface roughness R value is 3.2~1.6um
Mating surface without relative motion: surface roughness R value is 3.2-46um General non-machined surface, general welding surface: surface roughness R value is less than 6.3μm
Note: For elongated holes less than 10, the rust level in the table is reduced by one level. Scope of application
Piston, spiral rod, ratchet, inner surface of cylinder and core parts of machine, rolling bearing, etc.
Spline, thread, etc.
Coupling, flange, etc.
General contact surface, random tools, accessories, etc., some parts of Class C products that do not affect the performance of use 8.4.2 Products are qualified after inspection if they do not exceed the requirements of Table 6 and do not directly affect the performance, accuracy and use of the product. 8.4.3 Products should be inspected immediately after unsealing, and should be reprocessed and packaged as soon as possible according to the relevant provisions of pre-treatment, rust prevention and packaging to prevent rust.
Republic
Mechanical Industry Standard
Rock Drilling Machinery and Pneumatic Tools
General Technical Conditions for Rust Prevention
JB/T3576—1999
Published and issued by the Mechanical Science Research Institute
Printed by the Mechanical Science Research Institute
(No. 2 Shouti South Road, Beijing, Postal Code 100044)*
2Number of words 12000
Format 880×12301/16Printing sheet 1/2
First edition in December 1999
First printing in December 1999
Print number 1—500
Price 500 yuan
No. 99-1038
Mechanical Industry Standard Service Network: http:/hvwwJB.ac.cn6669/3 Rust grade
If the product rusts during storage and transportation, it can be graded and identified according to the rust grades in Table 5. Table 5 Rust grade
Maintain the original metal luster
Rust rate
JB/T3576-1999
The metal luster disappears and becomes gray
Fine powdery rust appears on steel parts, such as pale yellow or light red (white for magnesium alloy and green or dark red for copper)||tt ||Steel parts show yellow or reddish brown patches with powdery rust edgesSteel parts show brown, flaky rust layers or raised rust spotsNote: If either the degree of rust or the rate of rust exceeds the target, the rust level will be reduced by one level8.4 Acceptance criteria for product anti-rust quality
>5%~15%
8.4.1 During product acceptance, within three months after delivery and within the product’s anti-rust liability period, users may propose product anti-rust quality requirements to the manufacturer in accordance with the provisions of Table 6.
Table 6 Anti-rust quality classification and applicable scope
Rust level
Surface roughness and working condition
Surface roughness R. value is greater than 0.8um
Surface with relative motion and partially smooth non-machined surface, surface roughness R value is 3.2~1.6um
Mating surface without relative motion: surface roughness R value is 3.2-46um General non-machined surface, general welding surface: surface roughness R value is less than 6.3μm
Note: For elongated holes less than 10, the rust level in the table is reduced by one level. Scope of application
Piston, spiral rod, ratchet, inner surface of cylinder and core parts of machine, rolling bearing, etc.
Spline, thread, etc.
Coupling, flange, etc.
General contact surface, random tools, accessories, etc., some parts of Class C products that do not affect the performance of use 8.4.2 Products are qualified after inspection if they do not exceed the requirements of Table 6 and do not directly affect the performance, accuracy and use of the product. 8.4.3 Products should be inspected immediately after unsealing, and should be reprocessed and packaged as soon as possible according to the relevant provisions of pre-treatment, rust prevention and packaging to prevent rust.
Republic
Mechanical Industry Standard
Rock Drilling Machinery and Pneumatic Tools
General Technical Conditions for Rust Prevention
JB/T3576—1999
Published and issued by the Mechanical Science Research Institute
Printed by the Mechanical Science Research Institute
(No. 2 Shouti South Road, Beijing, Postal Code 100044)*
2Number of words 12000
Format 880×12301/16Printing sheet 1/2
First edition in December 1999
First printing in December 1999
Print number 1—500
Price 500 yuan
No. 99-1038
Mechanical Industry Standard Service Network: http:/hvwwJB.ac.cn6669/
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