GBZ10096-2022_English PDF
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Accuracy of rack
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| Standard ID | GB/Z 10096-2022 (GB/Z10096-2022) | | Description (Translated English) | Accuracy of rack | | Sector / Industry | National Standard | | Classification of Chinese Standard | J17 | | Classification of International Standard | 21.200 | | Word Count Estimation | 34,337 | | Date of Issue | 2022-10-14 | | Date of Implementation | 2022-10-12 | | Older Standard (superseded by this standard) | GB/T 10096-1988 | | Issuing agency(ies) | State Administration for Market Regulation, National Standardization Management Committee |
GBZ 10096-2022
GB /Z 10096-2022
Accuracy of rack
ICS 21.200
CCSJ17
National Standardization Guiding Technical Document of the People's Republic of China
Replacing GB/T 10096-1988
Rack accuracy
Published on 2022-10-12
2022-10-12 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration
directory
Preface I
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Symbol 5
5 Accuracy class 6
6 Benchmarks and Measurements 6
7 Accuracy tolerance value 7
8 Drawing annotation 9
Appendix A (Informative) Comprehensive Measurement Accuracy Evaluation of Racks 10
Appendix B (Informative) Tolerance Items and Accuracy Evaluation of Rack Pairs 13
Appendix C (Informative) Rack Tooth Thickness Deviation and Rack Secondary Backlash 18
Appendix D (informative) Parts testing method for flame-cut large-modulus racks for lifting of offshore platforms 20
Appendix E (informative) Five optional measuring tools in rack production 26
Reference 31
foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents"
drafted.
This document replaces GB/T 10096-1988 "Rack Accuracy". Compared with GB/T 10096-1988, except for structural adjustment and editorial changes
Besides, the main technical changes are as follows.
a) The scope has been changed, and the accuracy evaluation of the rack pair is no longer specified (see Chapter 1, Chapter 1 of the 1988 edition);
b) Changed the words and symbols of some terms (see Chapters 3 and 4, Chapter 3 of the 1988 edition);
c) Changed the definition of "total deviation of tooth profile", and changed the evaluation plane from "normal section" to "end section" (see 3.5, Chapter 3 of the 1988 edition);
d) Chapter 5 was changed, the accuracy level was reduced to 11, and the tolerance grouping was cancelled (see Chapter 5, Chapter 4 of the 1988 edition);
e) Change the title of Chapter 6 to "References and Measurements", and give the requirements for design reference, processing reference, installation reference and inspection reference
Relationships (see Chapter 6, Chapter 5 of the 1988 edition);
f) Chapter 7 is changed, only the radial runout (original cogging runout tolerance) Fr, the pitch limit deviation fpt, and the total accumulated pitch deviation are retained
(original pitch cumulative tolerance) Fp, total tooth profile deviation (original tooth profile error) Fα and total helix deviation (original tooth orientation error) Fβ, etc.
Standard requirements for accuracy indicators, move the remaining indicators and descriptions to informative appendix, and delete the 12th level of the above indicators
Accuracy (see Chapter 7, Appendix A~Appendix C, Chapter 6~Chapter 9 of the 1988 edition);
g) Changed the drawing method of rack precision (see Chapter 8, Chapter 9 of the 1988 edition).
This document is proposed and managed by the National Gear Standardization Technical Committee (SAC/TC52).
Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents.
This document is drafted by. Zhengzhou High-end Equipment and Information Industry Technology Research Institute Co., Ltd., Anhui Weisong Optoelectronics Technology Co., Ltd.,
Zhejiang Sote Transmission Technology Co., Ltd., Zhengzhou Machinery Research Institute Co., Ltd., Xi'an Fast Automobile Transmission Co., Ltd., Beijing University of Technology,
Zhengzhou Tianshi Offshore Oil Equipment Co., Ltd., Lu'an Jianghuai Yongda Machinery Manufacturing Co., Ltd., Dongguan Xinghuo Gear Co., Ltd., Chongqing University
Xue, Shenyang Dongrui Hammer Measurement and Control Equipment Co., Ltd., Anhui University of Science and Technology, Dalian University of Technology, Yichang Changji Technology Co., Ltd.,
Zhengzhou Desen Environmental Technology Co., Ltd.
The main drafters of this document. Wang Zhigang, Guan Hongjie, Li Wutian, Lu Yeqing, Zhu Hualiang, Hou Shengwen, Shi Zhaoyao, Wang Zhengbing, Zhang Liyong,
Wang Jianmin, Zhang Yongjuan, Ren Jihua, Liu Yi, Chen Yonghong, Xu Jiandong, Ling Siying, Zhang Yuanguo, Tong Aijun, Zhong Ruiling, Wei Fangkun, Xu Wenbo,
Fan Ruili, Li Haixia, Fu Xuechuan, Xing Hechen, Dong Fan, Ji Xieru, Li Hongwei, Ji Yihong, Li Tieqiang, Li Tongjie.
This document was first published in 1988 and this is the first revision.
Rack accuracy
1 Scope
This document specifies the grades, benchmarks, measurements, tolerance values and drawing annotations of the geometric accuracy of the rack and teeth (hereinafter referred to as "rack accuracy").
This document is applicable to the basic tooth profile conforming to GB/T 1356, the range of normal modulus mn is 1mm~40mm, and the working tooth width b is not large
Single straight or helical racks up to 630mm.
Warning. Users of this document should note that the accuracy value of the unassembled rack cannot be used to directly judge the use of the assembled rack pair
performance.
2 Normative references
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations
documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to
this document.
GB/T 2821 Gear Geometric Element Code
GB/T 3374.1 Gear Terms and Definitions Part 1.Geometric Definitions
3 Terms and Definitions
The terms and definitions defined in GB/T 2821 and GB/T 3374.1 and the following terms and definitions apply to this document.
3.1
radial runout
Cogging runout
Fr
Take any section of the rack with no more than 50 tooth pitches, and keep the measuring head and the tooth slot of the measured rack in sequence near the middle of the tooth depth
Double-sided contact, measure the difference between the maximum value and the minimum value of the distance from the center of the head ball to the reference surface of the rack.
Note. The measurement principle of radial runout Fr is shown in Figure 1.
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