SY 5306-1987 General technical requirements for machining of petroleum drilling machinery products

SY 5306-1987 General Technical Specifications for Machining of Petroleum Drilling Machinery Products SY5306-1987 Standard download decompression password: www.bzxz.net

Standard of the Ministry of Petroleum Industry of the People's Republic of China SY5306--87
This standard was confirmed to be valid in 1998, and this is hereby stated. General Technical Conditions for Machining of Petroleum Drilling and Production Machinery Products
Published on April 18, 1988
Ministry of Petroleum Industry of the People's Republic of China
Implementation on June 1, 1988
1 Main Content and Scope of Application
Standard of the Ministry of Petroleum Industry of the People's Republic of China General Technical Conditions for Machining of Petroleum Drilling and Production Machinery Products
$Y 5306--87
This standard specifies the general requirements for the machining parts of stone culvert drilling and production machinery. Special requirements shall be implemented according to drawings and relevant technical documents. This standard applies to the machining parts of petroleum drilling and production machinery. 2 Reference standards
GB1804-79 Tolerance and fit Limit deviation of tolerance size without note GB4457~4460—84 Mechanical drawing
GB 3100~3102-86 Quantity and unitbzxZ.net
GB1184--80 Shape and position tolerance
GB1182~1183—80 Shape and position tolerance code and its note method 3 Technical requirements
3.1 After the parts are processed, they shall comply with the provisions of the drawings and relevant technical documents, and meet the requirements of this standard. 3.2 The raw materials of the parts must comply with the drawings. If substitution is required, it shall be approved by the design or technical department. 3.3 The rough parts must be inspected and qualified before they can be put into mechanical processing. During the processing, if there are casting or forging defects that need to be repaired, the relevant regulations for repairing casting and forging defects shall be followed. 3.4 All parts shall be processed, inspected and accepted according to the process. Only after the previous process is qualified can the next process be transferred. 3.5 The surface of the parts after annealing should not have oxide scale, and the surface after fine processing should not have annealing, burning and grinding. 3.6 The finished surface of the parts should not have defects such as grooves and bumps that damage the surface and reduce the strength and life of the parts. All burrs should be removed.
3.7 If the chamfer size is not indicated in the drawing, and there is no requirement to retain the sharp edge, the edges and sharp corners shall be blunted. Shafts and sleeves are processed according to regulations (see Figure 1 and Table 1), and other parts are blunted according to 0.6×45°3×45*. The maximum allowable value of surface roughness is Ra25. C X45\
1988-04-18 approved by the Ministry of Petroleum Industry of the People's Republic of China, Figure 1
G×45\
1988-06-01 implemented
C maximum value
C maximum value
>10~18
SY 5306-BT
>1B~30
>30~-50
>50-80
>1B0260:>260~360/>360500,>500~630>630~800>800~1000-5.0
>120~180
>10001250/>1250~1600
3.8 Shoulders of shafts and sleeves, if the fillet value is not specified in the drawing and root cleaning is not required, shall be processed according to Figure 2 and Table 2. The surface roughness is Re12.5.
>40~55
>55-70
>15~20
>20～25
>25~30
>70100>100140>140180>180~230>230~300|>300~37025
>460~550>550~660>660<760
>370~460
The dimension tolerances of chamfers and circles not specified in the drawing shall be in accordance with the provisions of Table 3. Table 3
Basic size
Deviation (±)
>12~25
>25-50
79 "Tolerances and fits Limit deviations of dimensions without tolerances" Section 2. Section 3.10 The dimension tolerance values ​​not indicated in the drawing are IT14 according to CB 1804-3. Generally, the hole is H14, the shaft is h14, and the length is JS14 (or is), and the "+" value is taken (Table 4). 2
Basic size
Hole (+)Shaft)
Length (±)
Basic size
Hole (→)Shaft (I)
Length (±)
Basic size
Hole (+)Shaft (I)
Length (+)
SY 5306--87
>6～10
>10~18
>18~30
>50-80
>80120
>120~180180>250250915315400400>500>500>630>830>800800~10001.00
Note: If the basic working size exceeds the range specified in Table 4, the corresponding dimensional tolerance value can be selected in accordance with the provisions of GB1804-19. 3.11
For the taper and angle tolerance values ​​not specified in the drawings, the 9th grade accuracy of JB1--5 "Taper Tolerance" shall be selected (Figure 3, Table 5). For the taper and angle tolerance values ​​that are not matched, the 3rd grade accuracy of B7-59 "Free Angle Tolerance" shall be selected (Figure 3. Table 6). Figure 3
Basic dimension L
Tolerance (±)
Basic dimension
Tolerance (±)
>50~80
>80~120
Note, ①The taper tolerance is determined by the length L of the cone generatrix: ②The angle tolerance is determined by the length L of the short side of the angle, Basic dimension
Public selection (±)
Basic dimension
Tolerance (±)
>80~120
2120-180
①The cone angle tolerance is determined by the length L of the cone generatrix: ②The angle tolerance is determined by the length L of the short side of the angle. 6~10
>120~180
180260
>10-18
180~260
>10~1 8
>260~360
≥18～30
>260--360
>18~30
>360~5 00
>30～50
>30-50
>360~500
>50～80
SY5306—87
3.12 When there is no special requirement in the drawing, the inner and outer circles and the end through-intersection of the grinding process can be processed into the overrun groove according to the provisions of JB3-59 "Grinding Wheel Overrun Groove" (Figure 4, Table 7). Enlarged at
?30-50
3.13 The depth tolerance of blind holes not indicated in the drawing shall not exceed the following specifications: When the hole depth is <50mm, the tolerance is +3mm
When the hole depth is >5100mm, the tolerance is +5mm
When the hole depth is >100mm, the tolerance is +8mm.
3.14 The shape and position tolerance values ​​not specified in the drawing shall be selected in accordance with the provisions of B1184-80 "Regulations on Unspecified Tolerances for Shape and Position Tolerances". 3.14.1 The tolerance values ​​for straightness and flatness are Class C accuracy (Table 8). The tolerance values ​​for coaxiality and symmetry are Class C accuracy (Table 9). 3.14.2
The roundness tolerance value is half of the dimension tolerance value. Cylindricity tolerance value:
a. When the cylindrical surface is marked with the symbol (), it is half of the dimension tolerance value; 4
SY 530687
b. When the cylindrical surface is not marked with the symbol (E), it is controlled by the unspecified tolerance values ​​of roundness and linearity and the dimension tolerance of the element respectively. 3.14.5 Parallel tolerance values:
a. When parallel elements are marked with a symbol (E), they should be within the dimensional tolerance range. b. When parallel elements are not marked with a symbol (E), they are controlled by the unmarked tolerance values ​​of flatness and linearity and the dimensional tolerance between parallel elements.
Verticality and inclination are controlled by angle tolerance. The tolerance values ​​of runout and total runout should not be greater than the combined value of the unmarked tolerances of the shape and position of the element. 3.14.7
Basic size
Straightness,
Basic size L
Straightness,
Flatness
Basic size
Coaxiality,
Symmetry
Basic size
Coaxiality.
Proportion
>250~400
>10~16
>～10
>10~18
>18~30
Note: In the basic size, d (D) is the shaft (hole) diameter, B is the groove width, L is the length, and the lubricating oil groove must be smooth and flat, and the sharp edges must be blunted. .3.15
～100
>30-50
～180
>50~120≥120~250
~10000
3.16 The center hole of the parts shall comply with the provisions of GB145-59 "Center Hole". When the center hole is not indicated in the drawing, it shall meet the process requirements.
3.17 The surface after rolling shall not have peeling phenomenon. The number of rolling times for the same surface shall not exceed 3 times. The surface roughness before rolling shall not be lower than Ra3,2.
3.18 The edges of the pin holes on the pin shaft or bolt shall be deburred, or processed into a 90° or 120° countersunk angle. The countersunk angle hole diameter is 1.2~～1.6 times that of the pin hole.
.3.19 The thread processing shall meet the following requirements. 3.19.1 The roughness of the thread side surface not specified in the drawing shall not be less than Ra12.5. 3.19.2 The dimensional tolerance of the non-threaded part of bolts, studs and screws shall not exceed the major diameter tolerance of the thread when not specified in the drawing. 3.19.3 The surface of the cut thread shall not have defects such as black skin, pressure deviation, random buckling and burrs that hinder the insertion of the gauge. 3.19.4 The tail, shoulder distance, chamfer and undercut of ordinary threads not specified in the drawing shall be processed in accordance with the provisions of GB3-79 "Thread: tail, shoulder distance, undercut and angle" (Figure 5, Table 10, Figure 6, Table 11 and Figure 7, Table 12). If the drawings and process documents do not specify the requirements for %, 31, α,,,, they shall be processed according to the "general" situation. 6
distance from coarse thread
24, 27
56, 60
thread end L
(deep Guanyu)
SY5306--87
(not large)α
approximately equal to
d--2-3
d-—4+4
or 30" angle. When the thread is chamfered at 60° or 30°, the chamfer depth is approximately equal to the thread depth
②shoulder distance α is the total length of thread end L plus thread space. When setting, the first shoulder distance size should be given priority. The short shoulder distance is only used when the structure requires it. ③For fine thread, Select according to the pitch P in this table, cx45°
coarse thread
14, 16
24, 27
30, 33
42, 45
48, 52
64, 68
thread tail 1
(not more than)
SY5306—87
(not more than)
①internal thread chamfer is generally 120 cone angle, or 90* cone angle. Note,
②shoulder distance is the total length of thread tail L plus thread blank, ③narrow back cutter groove is only used when the structure requires it ③For fine thread, select according to the pitch P in this table. Si
is approximately equal to
thread tail
SY 5306—87
Thread reduction
Note: @This table is applicable to metric taper threads,
③ The chamfer of external threads and the transition angle of thread backcut groove are generally chamfered at 45°, and can also be chamfered at 60° or 30″. When chamfered at 60° or 30°, the chamfer depth is approximately equal to the thread depth
③ The taper angle of internal threads is generally 120”, and can also be 90°. ④d is the major diameter of the thread on the base surface (for internal threads, it is the major diameter of the thread on the end face of the screw hole). CX459
Enlargement at the human place
The keyway should meet the following requirements.
3.20.1 The symmetry tolerance value of the center plane of the single keyway to its reference axis, if not specified in the drawing, shall be selected according to the GB1184-80C grade accuracy (Table 9).
$Y 5306—87
3.20.2 When making double keyways on the circumference, they must be matched (i.e. controlled by a template). If the position requirements are not specified in the drawing, the position deviation of the two keyways shall not exceed ±16°
4 Marking, transportation, and storage
4.1 After the inspection, the qualified parts shall be placed in a dry, ventilated, rain-proof, snow-free warehouse for storage after rust prevention treatment. During the transfer process, surface damage and deformation shall be prevented.
4.? For parts that require printing, the relevant provisions of "Printing of Main Parts of Products" shall be followed. Additional Notes:
This standard is proposed by the Machinery Manufacturing Department of the Ministry of Petroleum Industry. This standard is under the jurisdiction of the Professional Standardization Committee of Petroleum Exploration and Development Equipment and Materials. This standard is drafted by the Standardization and Chemical Research Institute of the Petroleum Exploration and Development Scientific Research Institute. The main drafter of this standard is Hui Yunliang. This standard is still valid after the review in 199. The review result has been approved by the State Administration of Petroleum and Chemical Industry.4. The tail, shoulder distance, chamfer and undercut of common thread not specified in the drawing shall be processed according to the provisions of GB3-79 "Thread: tail, shoulder distance, undercut and angle" (Figure 5, Table 10, Figure 6, Table 11 and Figure 7, Table 12). If the drawing and process documents do not specify the requirements for %, 31, α,,,,,, they shall be processed according to the "general" situation. 6
distance from coarse thread
24, 27
56, 60
thread end L
(deep Guanyu)
SY5306--87
(not large)α
approximately equal to
d--2-3
d-—4+4
or 30" angle. When the thread is chamfered at 60° or 30°, the chamfer depth is approximately equal to the thread depth
②shoulder distance α is the total length of thread end L plus thread space. When setting, the first shoulder distance size should be given priority. The short shoulder distance is only used when the structure requires it. ③For fine thread, Select according to the pitch P in this table, cx45°
coarse thread
14, 16
24, 27
30, 33
42, 45
48, 52
64, 68
thread tail 1
(not more than)
SY5306—87
(not more than)
①internal thread chamfer is generally 120 cone angle, or 90* cone angle. Note,
②shoulder distance is the total length of thread tail L plus thread blank, ③narrow back cutter groove is only used when the structure requires it ③For fine thread, select according to the pitch P in this table. Si
is approximately equal to
thread tail
SY 5306—87
Thread reduction
Note: @This table is applicable to metric taper threads,
③ The chamfer of external threads and the transition angle of thread backcut groove are generally chamfered at 45°, and can also be chamfered at 60° or 30″. When chamfered at 60° or 30°, the chamfer depth is approximately equal to the thread depth
③ The taper angle of internal threads is generally 120”, and can also be 90°. ④d is the major diameter of the thread on the base surface (for internal threads, it is the major diameter of the thread on the end face of the screw hole). CX459
Enlargement at the human place
The keyway should meet the following requirements.
3.20.1 The symmetry tolerance value of the center plane of the single keyway to its reference axis, if not specified in the drawing, shall be selected according to the GB1184-80C grade accuracy (Table 9).
$Y 5306—87
3.20.2 When making double keyways on the circumference, they must be matched (i.e. controlled by a template). If the position requirements are not specified in the drawing, the position deviation of the two keyways shall not exceed ±16°
4 Marking, transportation, and storage
4.1 After the inspection, the qualified parts shall be placed in a dry, ventilated, rain-proof, snow-free warehouse for storage after rust prevention treatment. During the transfer process, surface damage and deformation shall be prevented.
4.? For parts that require printing, the relevant provisions of "Printing of Main Parts of Products" shall be followed. Additional Notes:
This standard is proposed by the Machinery Manufacturing Department of the Ministry of Petroleum Industry. This standard is under the jurisdiction of the Professional Standardization Committee of Petroleum Exploration and Development Equipment and Materials. This standard is drafted by the Standardization and Chemical Research Institute of the Petroleum Exploration and Development Scientific Research Institute. The main drafter of this standard is Hui Yunliang. This standard is still valid after the review in 199. The review result has been approved by the State Administration of Petroleum and Chemical Industry.4. The tail, shoulder distance, chamfer and undercut of common thread not specified in the drawing shall be processed according to the provisions of GB3-79 "Thread: tail, shoulder distance, undercut and angle" (Figure 5, Table 10, Figure 6, Table 11 and Figure 7, Table 12). If the drawing and process documents do not specify the requirements for %, 31, α,,,,,, they shall be processed according to the "general" situation. 6
distance from coarse thread
24, 27
56, 60
thread end L
(deep Guanyu)
SY5306--87
(not large)α
approximately equal to
d--2-3
d-—4+4
or 30" angle. When the thread is chamfered at 60° or 30°, the chamfer depth is approximately equal to the thread depth
②shoulder distance α is the total length of thread end L plus thread space. When setting, the first shoulder distance size should be given priority. The short shoulder distance is only used when the structure requires it. ③For fine thread, Select according to the pitch P in this table, cx45°
coarse thread
14, 16
24, 27
30, 33
42, 45
48, 52
64, 68
thread tail 1
(not more than)
SY5306—87
(not more than)
①internal thread chamfer is generally 120 cone angle, or 90* cone angle. Note,
②shoulder distance is the total length of thread tail L plus thread blank, ③narrow back cutter groove is only used when the structure requires it ③For fine thread, select according to the pitch P in this table. Si
is approximately equal to
thread tail
SY 5306—87
Thread reduction
Note: @This table is applicable to metric taper threads,
③ The chamfer of external threads and the transition angle of thread backcut groove are generally chamfered at 45°, and can also be chamfered at 60° or 30″. When chamfered at 60° or 30°, the chamfer depth is approximately equal to the thread depth
③ The taper angle of internal threads is generally 120”, and can also be 90°. ④d is the major diameter of the thread on the base surface (for internal threads, it is the major diameter of the thread on the end face of the screw hole). CX459
Enlargement at the human place
The keyway should meet the following requirements.
3.20.1 The symmetry tolerance value of the center plane of the single keyway to its reference axis, if not specified in the drawing, shall be selected according to the GB1184-80C grade accuracy (Table 9).
$Y 5306—87
3.20.2 When making double keyways on the circumference, they must be matched (i.e. controlled by a template). If the position requirements are not specified in the drawing, the position deviation of the two keyways shall not exceed ±16°
4 Marking, transportation, and storage
4.1 After the inspection, the qualified parts shall be placed in a dry, ventilated, rain-proof, snow-free warehouse for storage after rust prevention treatment. During the transfer process, surface damage and deformation shall be prevented.
4.? For parts that require printing, the relevant provisions of "Printing of Main Parts of Products" shall be followed. Additional Notes:
This standard is proposed by the Machinery Manufacturing Department of the Ministry of Petroleum Industry. This standard is under the jurisdiction of the Professional Standardization Committee of Petroleum Exploration and Development Equipment and Materials. This standard is drafted by the Standardization and Chemical Research Institute of the Petroleum Exploration and Development Scientific Research Institute. The main drafter of this standard is Hui Yunliang. This standard is still valid after the review in 199. The review result has been approved by the State Administration of Petroleum and Chemical Industry.
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.