JB/T 9179.2-1999
Machining allowances and tolerances of open forgings on hydraulic press.Round shaft,square shaft and rectangular cross-section (English Version)

Standard No.

JB/T 9179.2-1999

Language

Chinese, Available in English version

Release Date

1999

Published By

Professional Standard - Machinery

Status

Be replaced 2014-07

Replace By

JB/T 9179.2-2013

Latest

JB/T 9179.2-2013

Scope

This standard specifies the allowances and tolerances for free-forged round shafts, square shafts and rectangular cross-section forgings on hydraulic presses. This standard is applicable to round shafts, square shafts and rectangular cross-section forgings with L≥1.5 D (or 1.5A) and A≤B≤1.5A.

JB/T 9179.2-1999 history

• 2013 JB/T 9179.2-2013 Machining allowances and tolerances of open die forgings on hydraulic press.Part 2: Round shaft, square shaft and rectangular cross-section
• 1999 JB/T 9179.2-1999 Machining allowances and tolerances of open forgings on hydraulic press.Round shaft,square shaft and rectangular cross-section