JB/T 11776.1-2014
Heavy duty movable portal-type turning-milling machining centers.Part 1: Testing of the accuracy (English Version)

Standard No.

JB/T 11776.1-2014

Language

Chinese, Available in English version

Release Date

2014

Published By

Professional Standard - Machinery

Latest

JB/T 11776.1-2014

Scope

This part of JB/T 11776 specifies the geometric accuracy, working accuracy and axis positioning accuracy inspection and corresponding tolerances of heavy-duty gantry mobile turn-milling compound machining centers. This section applies to heavy-duty gantry mobile turn-milling machining centers with a workbench width up to 10 000 mm.

JB/T 11776.1-2014 Referenced Document

• GB/T 17421.1-1998 Test code for machine tools. Part 1: Geometric accuracy of machines operating under no-load or finishing conditions
• GB/T 17421.2-2000 Test code for machine tools-Part 2:Determination of accuracy and repeatability of positioning numerically controlled axes

JB/T 11776.1-2014 history

• 2014 JB/T 11776.1-2014 Heavy duty movable portal-type turning-milling machining centers.Part 1: Testing of the accuracy