JB/T 9899-2014
Portable universal radial drilling machines.Testing of the accuracy (English Version)

Standard No.

JB/T 9899-2014

Language

Chinese, Available in English version

Release Date

2014

Published By

Professional Standard - Machinery

Latest

JB/T 9899-2014

Replace

JB/T 9899-1999

Scope

This standard specifies the requirements and inspection methods for geometric accuracy and working accuracy inspection of mobile universal radial arm drilling machines. This standard applies to mobile universal radial arm drilling machines with drilling diameters of 25 mm to 32 mm. Mobile universal radial arm drilling machines of other specifications can be implemented as a reference.

JB/T 9899-2014 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

JB/T 9899-2014 history

• 2014 JB/T 9899-2014 Portable universal radial drilling machines.Testing of the accuracy
• 1999 JB/T 9899-1999 Mobile universal radial drilling machines Accuracy inspection