GB/T 4019.2-1997 Square column vertical drilling machine accuracy inspection Part 2: Working accuracy inspection

This standard specifies the requirements and methods for the inspection of the working accuracy of square column vertical drilling machines. This standard applies to general-purpose square column vertical drilling machines. GB/T 4019.2-1997 Square column vertical drilling machine accuracy inspection Part 2: Working accuracy inspection GB/T4019.2-1997 Standard download decompression password: www.bzxz.net

JC5.25.080.40
National Standard of the People's Republic of China
GB/T4019.1~~4019.2—1997
Square column vertical drilling machines
Precision inspection
Bnx type vertical drilling machines---Testing of the Issued on November 13, 1997
State Administration of Technical Supervision
Implemented on July 1, 1998
GB/T4019.2--1997 bZxz.net
This standard is a revision of GB4019--83 Square Column Vertical Drilling Machine Accuracy>, and was revised based on the international standard 1S02772-2:1974 (Square Column Vertical Drilling Machine-Sulfur Test-Part 2, Working Accuracy Test 1 (confirmed in 1991?). GB4019 is divided into two parts in the "Square Column Vertical Drilling Machine Accuracy Test" Part 1 GB/T4019.1 (Precision Inspection), Part 2 GB/T4019.2 (Precision Inspection of Working Machines). This standard will replace the part of GB4019-B3 (Precision Inspection of Square Column Vertical Drilling Machines) from the date of entry into force. Appendix A of this standard is the appendix of the standard. This standard is proposed by the Ministry of Machinery Industry of the People's Republic of China. This standard is under the jurisdiction of the Beijing Machine Tool Research Institute of the Ministry of Industry. The drafting units of this standard are Dahe Machine Tool Factory, Changzhou Machine Tool Factory, and Zigong Machine Tool Factory. This standard was first published in 1983. GB/T 4019.2-1997 ISO Foreword [5 (International Organization for Standardization is a world-wide standardization organization
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