JB/T 8647-1997 Light bench drilling machine accuracy test

This standard specifies the requirements and methods for the geometric accuracy inspection of light bench drilling machines. This standard applies to light bench drilling machines. JB/T 8647-1997 Light bench drilling machine accuracy inspection JB/T8647-1997 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
IB/T8647—1997
Light-duty bench drilling machine
Published on August 18, 1997
Precision inspection
Implemented on January 1, 1998
Ministry of Machinery Industry of the People's Republic of China
JB/T AGA7
Accuracy 3 Revision:
This standard is a revision of B154302-87 light table drilling machine 87.
The standard takes effect from BJ54032. This standard is prepared by the National Metal Cutting Machine Standardization Technical Committee. The technical standard is issued by Biyang Drilling Machine Research Institute. This standard is drafted by: Hangzhou Xizhi Drilling Machine Factory, Tongzhou Drilling Machine Factory, Guannan Drilling Machine Factory. Scope
Machinery Industry Standard of the People's Republic of China
Light Table Drilling Machine
Accuracy Inspection
This standard specifies the requirements and inspection methods for the accuracy inspection of light table drilling machines. This standard applies to light table drilling machines.
Reference Standard
JB/T 86471997
Net 2D1513--
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? A number of requirements
3.」 Refer to JD2-2+3.1 Install the water pipe in the patient room, and place the main water pipe in the middle. The horizontal reading of the dust system should be more than 101cm 6
3.2 During the inspection, the actual inspection and inspection sequence should be arranged according to the installation and disassembly work. 1.3 When the actual measured length is different from the length specified in this standard, the tolerance should be calculated according to the provisions of J267-333.3.1.1. The conversion result should be less than 1 mm, still according to 0.01 mm:. 3.4 Parallel to the axis of the shallow vertical axis continuous measurement of the bottom of the three often called the center line of the horizontal Li Shang moving direction, multiplied by the month small through the line, the vertical inspection line and the base symmetrical center line blood square is called the longitudinal space: 3.5 Report to the production and production of the main factory said, the inspection items can be increased by 19970818 Ministry of Machinery Industry Standard 199810 implementation 8647-1997 FB/T 8647-1997 szls's JB/T8647 rO91/0E5 JB/18647-1997 COL/uE CnTrOs'U
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