JB/ZQ 4279-2006
Size and geometrical tolerance of supporting roll bearing housing of rolling mill (English Version)

Standard No.

JB/ZQ 4279-2006

Language

Chinese, Available in English version

Published By

Professional Standard - Machinery

Latest

JB/ZQ 4279-2006

Replace

JB/ZQ 4279-1997

Scope

This standard applies to the design of backup roll chocks in hot rolling/cold rolling mills. Based on the data analysis results, the form of dimensioning, dimensional tolerances and geometric tolerances are specified. Considering manufacturing reasons, the dimensional and geometric tolerance marking forms used in this standard should be used in the back-up roller bearing seat drawings.

JB/ZQ 4279-2006 history

• 1970 JB/ZQ 4279-2006 Size and geometrical tolerance of supporting roll bearing housing of rolling mill
• 0000 JB/ZQ 4279-1997