This standard specifies the requirements and inspection methods for the geometric accuracy and working accuracy of universal rotary head milling machines. This standard is applicable to universal rotary milling machines with a worktable width of 200~400mm. Other types of universal rotary head lifting table milling machines can also refer to it. JB/T 8331-1996 Universal rotary head milling machine accuracy JB/T8331-1996 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB/T 8331- 96
Universal rotary head milling machine
Published on April 11, 1996
Ministry of Machinery Industry of the People's Republic of China
Implemented on January 1, 1996www.bzxz.net
Mechanical Industry Standard of the People's Republic of China
Precision of universal rotary head milling machine
Subject content and applicable scope
This standard formulates the requirements and inspection methods for the mechanical properties and working accuracy of rotary head milling machines. JB/T 6331--06
2 Standard Applicable Monthly Standard 4 Universal rotary head milling machine with width 209-400mm. Other types of universal rotary head lifting table milling machines can also refer to the following:
2 Reference Standard
[B2670 General Rules for Accuracy Inspection of Metal Insertion Machines
3 General Requirements
3.! Beside [2673, etc.: The source of the bar will usually be filled with water and the center of the work will be parallel to the center position. When the sound and light are placed in the negative position of the two work planes, the readings in the longitudinal and transverse spaces will not exceed 0.0. The center 32 overlaps the inspection tools and the inspection methods can be used. The purpose of the inspection is to arrange the actual inspection. 3.3 When the work is completed, the test piece should be tested after the situation is worried. 3.4 When the actual length is not as specified in this standard, the tolerance shall be based on the measured K competition value. Good nose station adopts small ".wsmm". It is still connected to uuomn: Ministry of Machinery and Carbon Industry 1996 call 11 approved
1996-10-01 implementation
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