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JB/T 3989.4-2017 English PDF

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JB/T 3989.4-2017: Involute cylindrical gear grinding machines. Part 4: Gear grinders with cone-shaped grinding wheels. Testing of the accuracy
Status: Valid
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JB/T 3989.4-2017English529 Add to Cart 4 days [Need to translate] Involute cylindrical gear grinding machines. Part 4: Gear grinders with cone-shaped grinding wheels. Testing of the accuracy Valid JB/T 3989.4-2017

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Basic data

Standard ID JB/T 3989.4-2017 (JB/T3989.4-2017)
Description (Translated English) Involute cylindrical gear grinding machines. Part 4: Gear grinders with cone-shaped grinding wheels. Testing of the accuracy
Sector / Industry Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard J56
Classification of International Standard 25.080.99
Word Count Estimation 23,239
Date of Issue 2017-01-09
Date of Implementation 2017-10-01
Older Standard (superseded by this standard) JB/T 3991-1999
Quoted Standard GB/T 10095.1-2008; GB/T 17421.1-1998
Regulation (derived from) Ministry of Industry and Information Technology Announcement No.2 of 2017
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the geometric accuracy, working accuracy requirements, inspection methods, and corresponding tolerances of the cone-shaped grinding wheel gear grinding machine. This standard is applicable to ordinary precision cone-type grinding wheel grinding machines (hereinafter referred to as machine tools) with a maximum workpiece diameter of 320 mm to 2000 mm.

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