JB/T 8853-2001Cylindrical gear reducers (English PDF)
圆柱齿轮减速器
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
August 23, 2001
Implementation date
December 1, 2001
Scope
JB/T 8853-2001 is the English-translated version of 圆柱齿轮减速器.
JB/T 8853-2001 is the Chinese standard "Cylindrical gear reducers". Its scope clause reads: This standard specifies basic parameters, types, dimensions, technical requirements, bearing capacity and selection method, etc. of reduction cylindrical gear units (hereinafter referred to as "reduction unit").
The reduction units specified in this standard are applicable to the driving of various mechanical equipment in metallurgy, mine, transport, cement, building, chemical, textile, light, energy, etc. industries.
The rotation speed of high speed shaft of the reduction unit shall not be larger than 1500r/min. The circumferential velocity of the reduction unit gear drive shall not be larger than 20m/s.
The working ambient temperature of the reduction unit shall be -40+45°C. Where the working ambient temperature is less than 0°C, the lubricating oil before starting must be heated to above 0°C. Where the working ambient temperature is larger than 45°C, insulation and cooling measures must be taken. Its clauses include types, marks and dimensions.
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Document preview — JB/T 8853-2001
National Standard of the People's Republic of China
- Replacing
- JB/T 8853-1999
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- Foreword I
- 1 Scope
- 2 Normative References
- 3 Types, Marks and Dimensions
- 4 Basic Parameters
- 5 Technical Requirements
- Appendix A (Normative) Bearing Capacity of Reduction Units
- Appendix B (Informative) Load Classification of Reduction Units
- Appendix C (Informative) Actual Drive Ratio of Reduction Units
- Appendix D (Informative) Moment of Inertia of Reduction Units
- Appendix E (Informative) Radial Load of Shaft Extension of Reduction Units
1 Scope
This standard specifies basic parameters, types, dimensions, technical requirements, bearing capacity and selection method, etc. of reduction cylindrical gear units (hereinafter referred to as "reduction unit").
The reduction units specified in this standard are applicable to the driving of various mechanical equipment in metallurgy, mine, transport, cement, building, chemical, textile, light, energy, etc. industries.
The rotation speed of high speed shaft of the reduction unit shall not be larger than 1500r/min.
The circumferential velocity of the reduction unit gear drive shall not be larger than 20m/s.
The working ambient temperature of the reduction unit shall be -40+45°C. Where the working ambient temperature is less than 0°C, the lubricating oil before starting must be heated to above 0°C. Where the working ambient temperature is larger than 45°C, insulation and cooling measures must be taken.
2 Normative References
The following documents contain provisions which, through reference in this text, constitute provisions of this standard. At the time of publication, all editions indicated are valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the latest edition of the standards indicated below.
GB/T 1184-1996 "Geometrical Tolerancing-Geometrical Tolerances for Features without Individual Tolerance Indications"
GB/T 1356-1988 "Basic Rack Tooth Profile of Involute Cylindrical Gears"
GB/T 1357-1987 "Modules of Involute Cylindrical Gears"
GB/T 1569-1990 "Cylindrical Ends of Axles"
GB/T 9439-1988 "Grey Iron Castings"
GB/T 10095-1988 "Accuracy of Involute Cylindrical Gears"
JB/T 5000.13-1998 "Heavy Mechanical General Techniques and Standards-Packing"
JB/T 6395-1992 "Specification of Large Gear and Girth Gear Forgings"
JB/T 7929-1999 "Cleanliness for Gear Drive Units"
3 Types, Marks and Dimensions
3.1 Types
Reduction unit model is expressed with ZDY, ZLY and ZSY;
Reduction unit ZDY expresses reduction cylindrical gear unit with single stage driving;
Reduction unit ZDY expresses reduction cylindrical gear unit with double stage driving;
Reduction unit ZDY expresses reduction cylindrical gear unit with three stage driving.
3.2 Marks
3.2.1 Marking method
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 18 pages — is available in the English PDF.
Referenced standards
Similar standards
Editions of JB/T 8853
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 8853-2001 | Cylindrical gear reducers | current edition | Current |
| JB/T 8853-1999 | Cylindrical gear reducers | previous edition | Superseded |
This page sells the current edition, JB/T 8853-2001. Earlier editions are listed for reference only.
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