JB/T 3989.6-2017 English PDF

US$459.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
JB/T 3989.6-2017: Involute cylindrical gear grinding machines. Part 6: Gear grinders with worm-shaped grinding wheel. Testing of the accuracy
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JB/T 3989.6-2017	459	Add to Cart	4 days	Involute cylindrical gear grinding machines. Part 6: Gear grinders with worm-shaped grinding wheel. Testing of the accuracy	Valid

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GB/T 38193   JB/T 12396   JB/T 8490   JB/T 3989.1   JB/T 3989.4   JB/T 3989.2   

Basic data

Standard ID: JB/T 3989.6-2017 (JB/T3989.6-2017)
Description (Translated English): Involute cylindrical gear grinding machines. Part 6: Gear grinders with worm-shaped grinding wheel. 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: 20,271
Date of Issue: 2017-01-09
Date of Implementation: 2017-10-01
Older Standard (superseded by this standard): JB/T 3993-1999
Quoted Standard: GB/T 10095.1-2008; GB/T 17421.1-1998; GB/T 17421.2-2016; GB/T 19660-2005
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 of the worm wheel gear grinding machine, the positioning accuracy and repeatability of the numerical control axis, and the requirements for work accuracy, inspection methods and corresponding tolerances. This standard is applicable to general precision worm gear grinding machines and CNC worm grinding wheel grinding machines (hereinafter referred to as machine tools) with the maximum workpiece top circle diameter to 1500 mm.

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