This standard specifies the type and size, basic parameters and technical requirements of NAD, NAZD, NBD, NBZD, NCD, NCZD, NAF, NCF, NAZF, NBZF and NCZF series NGW planetary gear reducers. This standard is mainly applicable to metallurgy, mining, transportation, building materials, light industry, energy and traffic industries. JB/T 6502-1993 NGW planetary gear reducer JB/T6502-1993 standard download decompression password: www.bzxz.net

J19 | |tt | | JB | | tt | |tt||Ministry of Machinery Industry of the People's Republic of China
Released
Implemented on 1994-07-01
3
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Theme content and scope of application
Quoted standards
Types and sizes
Basic parameters
Technical requirements·||tt ||Test and inspection items.
Marking, packaging, transportation, storage
Appendix A
Appendix B
Appendix C
Appendix D||tt ||Appendix E
Head
The load-bearing capacity and selection of reducer (supplementary part) Reducer load classification (reference part)
The actual transmission ratio of the reducer (reference part) reduction Moment of inertia of the input shaft of the reducer (reference part) times
Nominal radial load at the midpoint of the shaft extension of the output (input) shaft of the reducer (reference part).+++.++.+
(1)
(1)
(1)
(39)
(39)
(46)
(46 )
(47)
(68)
(71)
(72)
(73)
People's Republic of China Machinery Industry standards
NGW planetary gear reducer
1 Subject content and scope of application
JB/T650293
This standard specifies NAD, NAZD, NBD, NBZD.NCD, Type dimensions, basic parameters and technical requirements of NCZD, NAF, NBF, NCF, NAZF, NBZF and NCZF series NGW type planetary gear reducers (hereinafter referred to as reducers). This standard is mainly applicable to metallurgical mining, transportation, building materials, light industry, energy, transportation and other industries. The high-speed shaft speed of the reducer is 1500~600r/min according to its specifications. The peripheral speed of the reducer gear transmission is not greater than 15m/s for spur gears and not greater than 20m/s for helical gears. The working environment temperature of the reducer is -40℃ to 45℃. When it is lower than 0℃, the lubricating oil should be preheated to above 10℃ before starting. The reducer can run in both forward and reverse directions,
2 reference standard
GB191
GB1356
GB1357
GB9439
GB10095||tt ||GB11368
GB/T13384
ZBJ19005
3 types and sizes
Packaging, storage and transportation icons
Basic tooth gallery of involute cylindrical gears | |tt | ||General technical conditions for mechanical and electrical product packaging
Loading test method for cylindrical gear reducer
3.1 Overall dimensions and assembly type
3.1.1 The overall dimensions and assembly type of NAD200~560 reducer should be Comply with the requirements of Figure 1 and Table 1. 3.1.2 The overall dimensions and assembly type of NAD560~2000 reducers should comply with the requirements in Figure 2 and Table 2. 3.1.3 The overall dimensions and assembly type of NAZD200~560 reducers should comply with the requirements in Figure 3 and Table 3. 3.1.4 The overall dimensions and assembly type of NAZD560~1600 reducers should comply with the requirements of Figure 4 and Table 4. 3.1.5 The overall dimensions and assembly type of NBD250~560 reducers should comply with the requirements in Figure 5 and Table 5. 3.1.6 The overall dimensions and assembly type of the NBD560~2000 reducer should comply with the requirements in Figure 6 and Table 6. 3.1.7
The overall dimensions and assembly type of NBZD250~560 reducer should comply with the requirements of Figure 7 and Table 7. The overall dimensions and assembly type of the NBZD560~1600 reducer should comply with the requirements in Figure 8 and Table 8. 3.1.8
3.1.9
3.1.10
3.1.11
The overall dimensions and assembly type of the NCD315~560 reducer should comply with Figure 9 and Table 9 According to the regulations, the overall dimensions and assembly type of the NCD560~2000 reducer should comply with the regulations in Figure 10 and Table 10. The overall dimensions and assembly type of NCZD315~560 reducers should comply with the requirements of Figure 11 and Table 11. 3.1.12 The overall dimensions and assembly type of NCZD560~2000 reducers should comply with the requirements of Figure 12 and Table 12. 3.1.13
The overall dimensions and assembly type of NAF200~560 reducers should comply with the requirements of Figure 13 and Table 13. 3.1.14
The overall dimensions and assembly type of NBF250~560 reducer should comply with the requirements of Figure 14 and Table 14. Approved by the Ministry of Machinery Industry on 1993-09-03
Implemented on 1994-07-01
1
JB/T 6502--93
Outline of NCF315~560 reducer The dimensions and assembly type should comply with the requirements of Figure 15 and Table 15. 3.1.15
3. 1. 16
The overall dimensions and assembly type of the NAZF200~560 reducer should comply with Figure 16 and Table 16 Provisions. 3.1.17 The overall dimensions and assembly type of the NBZF250~560 reducer should comply with the requirements of Figure 17 and Table 17. 3.1.18 The overall dimensions and assembly type of the NCZF315~560 reducer should comply with the requirements of Figure 18 and Table 18. 3.2 Reducer code and marking method
The reducer code includes model, level, connection, type, specification, nominal transmission ratio, assembly type, and standard number. Its marking symbol:
N-
A
B
C
D
NGW type:
Level 1 Planetary gear reducer:
First- and second-stage planetary gear reducer:
~Three-stage planetary gear reducer;
Base connection:
F flange connection|| tt||Defined axis column gear.
Reducer marking method:
Reducer
Standard number
Assembly type
Nominal transmission ratiobZxz.net
Specifications
Connection method
Level
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