JB/T 4129-1999: Burr height standard for stampings

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Scope

The value listed in this Standard are conceptually not allowed in the stamping
tolerance. However, general stamping parts come with varying degrees of burrs.
When the burr’s height exceeds a certain limit, it will affect the product quality and
usage performance.
This Standard applies to the finished metal stamping parts which have certain
requirements for burr’s height. It does not apply to the finished parts and precision
stamping parts which have special requirements for burrs.

Basic Data

Standard ID	JB/T 4129-1999 (JB/T4129-1999)
Description (Translated English)	Burr height standard for stampings
Sector / Industry	Mechanical and Machinery Industry Standard (Recommended)
Classification of Chinese Standard	J32
Classification of International Standard	25.020
Word Count Estimation	5,532
Date of Issue	1999-06-24
Date of Implementation	2000-01-01
Older Standard (superseded by this standard)	JB 4129-1985
Summary	This standard applies: there are certain requirements for burr height metal stamping products. This standard does not apply to the special requirements for the glitch finished parts and precision stamping parts. The criteria listed stamping tolerance values ??- the concept is not allowed -. However, generally come with varying degrees of stampings burr, burr height exceeds a certain limit, would affect the product quality and performance.