JB/T 7848-2010Vertical arc-toothed cylindrical worm gear reducers (English PDF)
立式圆弧圆柱蜗杆减速器
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
May 14, 2010
Implementation date
October 1, 2010
Scope
JB/T 7848-2010 is the English-translated version of 立式圆弧圆柱蜗杆减速器.
JB/T 7848-2010 is a recommended Chinese machinery industry standard on the vertical arc-toothed cylindrical worm gear reducer. It gives the basic parameters of the reducer, its model designation, its marking, its dimensions, its technical requirements and its load carrying capacity.
The industries it names for the reducer are chemicals, pharmaceuticals, construction, food and light industry. The working ambient temperature it covers runs from -40 °C to +40 °C, and below -10 °C the oil is to be heated above 0 °C before starting or an oil of low freezing point used instead.
It supersedes JB/T 7848-1995, and among the standards it quotes are GB/T 191, GB/T 11544 and JB/T 10391.
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Document preview — JB/T 7848-2010
National Standard of the People's Republic of China
- ICS
- 21.120.99
- Replacing
- JB/T 7848-1995
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- 1 Scope
- 2 Normative references
1 Foreword
JB/T 7848-2010 was issued by MIIT on 14 May 2010 and has been in force since 1 October 2010.
It replaces the earlier edition JB/T 7848-1995.
2 Scope
This standard is a recommended Chinese machinery industry standard on the vertical arc-toothed cylindrical worm gear reducer. It gives the basic parameters of the reducer, its model designation, its marking, its dimensions, its technical requirements and its load carrying capacity. The industries it names for the reducer are chemicals, pharmaceuticals, construction, food and light industry. The working ambient temperature it covers runs from -40 °C to +40 °C, and below -10 °C the oil is to be heated above 0 °C before starting or an oil of low freezing point used instead. It supersedes JB/T 7848-1995, and among the standards it quotes are GB/T 191, GB/T 11544 and JB/T 10391.
3 Normative references
JB/T 7848-2010 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 191
GB/T 9439-1988
GB/T 11544
GB/T 13384
JB/T 5558
JB/T 7935-1999 — Circular arc cylindrical worm gear reducers
JB/T 10391
4 About this standard
Issued by: MIIT
English translation: about 15 pages
5 Related standards
Other editions:
JB/T 7848-1995 (earlier edition)
6 Classification and status
International classification (ICS): 21.120.99
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 9439-1988Grey iron castings
- GB/T 11544Belt drives -- Classical and narrow V-belts -- Dimensions (system based on datum width)
- GB/T 13384General specifications for packing of mechanical and electrical product
- JB/T 5558Test methods for speed reducers and increasers
- JB/T 7935-1999ZC1 worm gear units
Similar standards
Editions of JB/T 7848
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 7848-2010 | Vertical arc-toothed cylindrical worm gear reducers | current edition | Current |
| JB/T 7848-1995 | Vertical arc-toothed cylindrical worm gear reducers | previous edition | Superseded |
This page sells the current edition, JB/T 7848-2010. Earlier editions are listed for reference only.
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Related Standards
GB/T 11544-2012 — Belt drives -- Classical and narrow V-belts -- Dimensions (system based on datum width)
GB/T 13384-2008 — General specifications for packing of mechanical and electrical product
GB/T 191-2025 — Graphical symbols marking for handling and storage of packages
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JB/T 7848-2010
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