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GB/T 10087-2018 English PDF (GBT10087-2018)

GB/T 10087-2018 English PDF (GBT10087-2018)

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GB/T 10087-2018: Basic tooth profile of cylindrical worm

This Standard specifies the basic tooth profile of cylindrical worm. This Standard is applicable to cylindrical worm gearing with module and shaft angle. The basic worm type is Archimedes worm (ZA worm), straight sided normal worm (ZN worm), involute worm (ZI worm), and milled helicoid cylindrical worm (ZK worm).
GB/T 10087-2018
GB
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 21.200
J 17
Replacing GB/T 10087-1988
Basic tooth profile of cylindrical worm
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ISSUED ON. MAY 14, 2018
IMPLEMENTED ON. DECEMBER 1, 2018
Issued by. State Administration for Market Regulation;
Standardization Administration of the PRC.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative references ... 4
3 Terms and definitions ... 4
4 Dimensional parameters of basic tooth profile ... 4
5 Tooth profile angle or generating angle of basic worm ... 6
Foreword
This Standard is drafted in accordance with the rules given in GB/T 1.1-2009. This Standard replaces GB/T 10087-1988 ?€?Basic tooth profile of cylindrical worm?€?.
As compared with GB/T 10087-1988, the main changes of this Standard are as follows.
- ADD the Foreword of the standard;
- REFER to the latest edition of the relevant standards (SEE Clause 2;
Clause 2 of the 1988 edition).
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The issuing authority of this document shall not be held responsible for identifying any or all such patent rights.
This Standard was proposed by and shall be under the jurisdiction of National Technical Committee 52 on Gears of Standardization Administration of China (SAC/TC 52).
Drafting organizations of this Standard. Chongqing Machine Tool (Group) Co., Ltd., Zhengzhou Research Institute of Mechanical Engineering Co., Ltd., JIE Holding Group Co., Ltd..
Main drafters of this Standard. Li Xianguang, Li Yi, Yu Kebin, Zhang Yuanguo, Xie Xinfu, Wang Zhigang, Guan Hongjie.
The previous editions of the standard replaced by this Standard were released as follows.
- GB/T 10087-1988.
Basic tooth profile of cylindrical worm
1 Scope
This Standard specifies the basic tooth profile of cylindrical worm.
This Standard is applicable to cylindrical worm gearing with module m???1mm and shaft angle ???=90??. The basic worm type is Archimedes worm (ZA worm), straight sided normal worm (ZN worm), involute worm (ZI worm), and milled helicoid cylindrical worm (ZK worm).
2 Normative references
The following documents are indispensable for the application of this document. For the dated references, only the versions with the dates indicated are applicable to this document. For the undated references, the latest version (including all the amendments) are applicable to this document.
GB/T 3374.2 Vocabulary of gear terms - Part 2. Definitions related to worm gear geometry
3 Terms and definitions
The terms and definitions defined in GB/T 3374.2 and the following apply to this document.
3.1 Basic tooth profile of cylindrical worm
The specified tooth profile of basic worm on a given section.
4 Dimensional parameters of basic tooth profile
4.1 Overview
In the axial plane of worm, the dimensional parameters of basic tooth profile are shown in Figure 1.

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