JB/T 7935-2015ZC1 worm gear units (English PDF)
圆弧圆柱蜗杆减速器
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
April 30, 2015
Implementation date
October 1, 2015
Scope
JB/T 7935-2015 is the English-translated version of 圆弧圆柱蜗杆减速器.
JB/T 7935-2015 is the recommended Chinese machinery industry standard for ZC1 worm gear units, the reducers built around an arc-profile cylindrical worm. It fixes the types, the basic parameters and the dimensions of these reducers and sets the technical requirements they have to meet, including their lubrication.
It also lays down the test methods and inspection rules and the provisions for marking, packaging, transport and storage. The reducers it describes serve to reduce speed in mechanical equipment.
Among the standards it quotes are GB/T 191, GB 1176, GB/T 1184, GB/T 9439, GB/T 10089, GB/T 13306, GB/T 13384, SH/T 0094, JB/T 6396, JB/T 7929 and JB/T 5558. It replaces JB/T 7935-1999, and its Chinese classification is J19.
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Document preview — JB/T 7935-2015
National Standard of the People's Republic of China
- Replacing
- JB/T 7935-1999
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- Foreword
- Scope
- Normative references
- About this standard
- Related standards
- Classification and status
1 Foreword
JB/T 7935-2015 was issued by MIIT on 30 April 2015 and has been in force since 1 October 2015.
It replaces the earlier edition JB/T 7935-1999.
2 Scope
This standard is the recommended Chinese machinery industry standard for ZC1 worm gear units, the reducers built around an arc-profile cylindrical worm. It fixes the types, the basic parameters and the dimensions of these reducers and sets the technical requirements they have to meet, including their lubrication. It also lays down the test methods and inspection rules and the provisions for marking, packaging, transport and storage. The reducers it describes serve to reduce speed in mechanical equipment. Among the standards it quotes are GB/T 191, GB 1176, GB/T 1184, GB/T 9439, GB/T 10089, GB/T 13306, GB/T 13384, SH/T 0094, JB/T 6396, JB/T 7929 and JB/T 5558. It replaces JB/T 7935-1999, and its Chinese classification is J19.
3 Normative references
JB/T 7935-2015 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 191
GB 1176
GB/T 1184
GB/T 9439
GB/T 10089
GB/T 13306
GB/T 13384
SH/T 0094
JB/T 6396
JB/T 7929
JB/T 5558
4 About this standard
Issued by: MIIT
English translation: about 15 pages
5 Related standards
Other editions:
JB/T 7935-1999 (earlier edition)
6 Classification and status
Prefix JB/T: recommended standard.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 191Graphical symbols marking for handling and storage of packages
- GB/T 1184Geometrical tolerancing. Geometrical tolerance for features without individual tolerance indications
- GB/T 9439Grey iron castings
- GB/T 10089Accuracy of cylindrical worm and wormwheel
- GB/T 13306Plates
- GB/T 13384General specifications for packing of mechanical and electrical product
GB 1176 · SH/T 0094
Similar standards
Editions of JB/T 7935
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 7935-2015 | ZC1 worm gear units | current edition | Current |
| JB/T 7935-1999 | ZC1 worm gear units | previous edition | Superseded |
This page sells the current edition, JB/T 7935-2015. Earlier editions are listed for reference only.
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Related Standards
GB/T 10089-2018 — Accuracy of cylindrical worm and wormwheel
GB/T 1184-1996 — Geometrical tolerancing. Geometrical tolerance for features without individual tolerance indications
GB/T 13306-2011 — Plates
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JB/T 7935-2015
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