This standard specifies the type and size, basic parameters, technical requirements, test methods, inspection rules, marking, packaging and storage of hydraulic nuts. JB/T 7553-1994 Hydraulic nuts JB/T7553-1994 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB/T755394
Hydraulic Nut
Published on December 9, 1994
Ministry of Machinery Industry of the People's Republic of China
Implemented on October 1, 1995
Mechanical Industry Standard of the People's Republic of China
1 Subject Content and Scope of Application
JB/T7553-94
This standard specifies the type and size, basic parameters, technical requirements, test methods, inspection rules, marking, packaging and storage of hydraulic exhaust nuts.
This standard is applicable to M100×2~M600×6.Tr100×4~Tr600×12 bolt pairs that need to be frequently disassembled and assembled, and can be used as hydraulic interference joint disassembly and assembly tools. Working temperature -20℃～+80℃. 2 Reference standards
GB4879
GB7935
GB/T 13384
Packaging, storage and transportation pictorial symbols
Rust-proof packaging
Basic dimensions of trapezoidal threads
Tolerances of trapezoidal threads
General technical conditions for hydraulic components
General technical conditions for packaging of electromechanical products
3 Types, basic parameters and main dimensions
3.1 The type, basic parameters and main dimensions of YMZ hydraulic nuts shall comply with the provisions of Figure 1 and Table 1. 3.2 The type, basic parameters and main dimensions of YMJ hydraulic nuts shall comply with the provisions of Figure 2 and Table 2. The type, basic parameters and main dimensions of YMQZ hydraulic nuts shall comply with the provisions of Figure 3 and Table 3. 3.3
The type, basic parameters and main dimensions of the YMQJ type hydraulic nut shall comply with the provisions of Figure 4 and Table 4. Model Description
3.6 Marking Example
Specification Code (1, 2.3, 4***39)
[Z-Axial Oil Injection Type
JJ-Radial Oil Injection Type
Type Code:
Hydraulic Screw
QZ-Light Axial Oil Injection Type
[QI-Light Radial Oil Injection Type
|Example 1 Axial oil injection type hydraulic nut with ordinary thread specification of M100X×6: YMZ1 hydraulic nut M100X×6JB/T7553-94 Example 2
Light axial oil injection type hydraulic nut with trapezoidal thread specification of Tr100×4: YMQZ1 hydraulic nut Tr100×4JB/T7553-94 Radial oil injection type hydraulic nut with ordinary thread specification of M190×6: Example 3
YMJ11 hydraulic nut M190X6JB/T7553- 94 Example 4
Radial oil injection type hydraulic nut with trapezoidal thread specification Tr190×8: YMJ11 hydraulic nut Tr190×8JB/T7553-94Approved by the Ministry of Machinery Industry on December 9, 1994
Implemented on October 1, 1995
Thread specification
M100×6
Tr100×4
M110×6
Tr110×4
M120X6|| tt||Tr120×6
M125×6
Tr125×6
M130×6
Tr130×6
M140X6
Tr140×6
M150X6
6
Tr160×6
M170×6
Tr170×6
M180× 6
Tr180×8
JB/T 7553--94
Stroke S
Oil chamber pressure
Nominal tension
Thread specification
M190X6
Tr190×8
M200X6
Tr200×8
M210×6
Tr210×8
M220×6
Tr220×8
M230×6
Tr230×8
M240×6
Tr240×8
M250×6||tt ||Tr250×8
M260X6
Tr260×8
M270×6
Tr270×8
M280×6
Tr280×8
M290X6
Tr290X8
M300×6| |tt||Tr300×8
M320×6
Tr320×8
M340×6
Tr340×8
M360X6
Tr360×12||t t||M380X6
Tr380×12
M400×6
Tr400×12
M420X6
Tr420×12
M440×6
Tr440X×1
JB/T7553-94
Stroke S
Oil chamber pressure
Nominal tension
Thread specification
M450X6
Tr450×12
M460×6
Tr460X12||tt ||M480X6
Tr480×12
M500×6
Tr500×12
M520×6
Tr520×12
M540×6
Tr540×12
M550X5
Tr55 0×12
M560X6
Tr560×12
M580×6
Tr580×12
M600×6
Tr600×12
JB/T 755394
Continued Table 1
Stroke 5
Shen Cavity Pressure
M14 × 1.5. ||M120×6
Tr120×6
M125×6
Tr125×6
M130×6
Tr130×6
M140×6
Tr140×6
M150X6
Tr150×6
M160×6
Tr160×6
M170×6| |tt||Tr170×6
M180×6
Tr180×8
M190X6
Tr190×8
M200×6
Tr200×8
M210X6
Tr210×8
M220×6
Tr220×8
M230×6
Tr230×8| |tt||M240×6
Tr240×8
M250×6
Tr250×8
M260X×6
Tr260×8||tt ||M270×6
Tr270×8
JB/T 7553-94
手机S
油腔情动
公称拉力||tt| |螺效行
M280× 6
Tr280×8
M290×6
Tr290×8
M300×6
Tr300 ×8
M320×6
Tr320×8
M340X6
Tr340×8
M360X×6
Tr360×12|| tt||M380×6
T+380×12
M400×6bzxz.net
Tr400×12
M420X6
Tr420×12||tt| |M440X6
Tr440×12
M450×6
Tr450×12
M460×6
Tr460× 12
M480×6
Tr480×12
M500×6
Tr500×12
M520×6
Tr520×12
M540×6|| tt||Tr540×12
M550X6
Tr559×12
M560X6
Tr560×12
M580×6
Tr580×12
M600X6
Tr600×12
JB/T 7553--94
绝表2
手机S
油腔情动| |tt||公称拉力
YMQZ10
軺纹电影
M100X2
Tr100×4
M110X2
Tr110×4||tt ||M120×2
Tr120×6
M125X2
Tr125×6
M130×2
Tr130×6
M140× 2
Tr140×6
M150×2
Tr150×6
M160×3
Tr160×6
M170×3| |tt||Tr170×6
M180×3
Tr180×8
JB/T 7553-94
活塞环
达S|| tt||油腔情动
公称拉力
YMQZ11
YMQZ12
YMQZ13
YMQZ14
YMQZ15
YMQZ16| |tt||YMQZ17
YMQZ18
YMQZ19
YMQZ20
YMQZ21
YMQZ22
YMQZ23
YMQZ24||tt ||YMQZ25
YMQZ26
YMQZ27
YMQZ28
YMQZ29
螺效行行
M190X3
Tr190×8| |tt||M200×3
Tr200×8
M210X×4
Tr210×8
M220×4
Tr220×8||tt ||M230X4
Tr230×8
M240X4
Tr240×8
M250×4
Tr250×8
M260×4| |tt||Tr260×8
M270X4
Tr270×8
M280X4
Tr280×8
M290×4
Tr290× 8
M300×4
Tr300×8
M320×6
Tr320X8
M340X6
Tr340×8
M360X6
Tr360×12
M380×6
Tr380×12
M400X6
Tr400×12
M420×6||tt ||Tr420×12
M440×6
Tr440×12
JB/T 7553--94
结表3
达S|| tt||神腔情力
公称拉力7553-94
Original design
Signature
Original design
Original design
Original design
YMQZ11
YMQZ12
YMQZ13
YMQZ14
YMQZ15
YMQZ16
YMQZ17
YMQZ18
YMQZ19
YMQZ20
YMQZ21
YMQZ22||tt ||YMQZ23
YMQZ24
YMQZ25
YMQZ26
YMQZ27
YMQZ28
YMQZ29
M190X3
Tr190×8
M200×3
Tr200×8
M210X×4
Tr210×8
M220×4
Tr220×8||t m230 8
M280X4
Tr280×8
M290×4
Tr290×8
M300×4
Tr3 00×8 ||Tr400×12
M420×6
Tr420×12
M440×6
Tr440×12
JB/T 7553--94
续表3
行程S
神腔压力
公称拉力7553-94
Original design
Signature
Original design
Original design
Original design
YMQZ11
YMQZ12
YMQZ13
YMQZ14
YMQZ15
YMQZ16
YMQZ17
YMQZ18
YMQZ19
YMQZ20
YMQZ21
YMQZ22||tt ||YMQZ23
YMQZ24
YMQZ25
YMQZ26
YMQZ27
YMQZ28
YMQZ29
M190X3
Tr190×8
M200×3
Tr200×8
M210X×4
Tr210×8
M220×4
Tr220×8||t m230 8
M280X4
Tr280×8
M290×4
Tr290×8
M300×4
Tr3 00×8 ||Tr400×12
M420×6
Tr420×12
M440×6
Tr440×12
JB/T 7553--94
续表3
行程S
神腔压力
公称拉力
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