This standard specifies the requirements and inspection methods for the geometric accuracy, transmission accuracy and working accuracy of high-precision worm gear hobbing machines. This standard is applicable to high-precision worm gear hobbing machines with a maximum workpiece diameter of 500 to 2000 mm. JB/T 8361.1-1996 High-precision worm gear hobbing machine accuracy JB/T8361.1-1996 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB/T8361.196
High Precision Worm Gear Hobbing Machine
1996-04-22 Issued
Ministry of Machinery Industry of the People's Republic of China
1996-07-01 Implementation
Mechanical Industry Standard of the People's Republic of China
High Precision Worm Gear Hobbing Machine Precision
1 Main Content and Scope of Application
JB/T 8361.195
This standard specifies the requirements and inspection methods for the geometrical precision, transmission degree and working precision of high precision worm gear hobbing machines. This standard is applicable to high seat worm gear hobbing machines with a maximum thread diameter of 5CC~2000mm. 2 Reference standards GB10089 Worm and worm gear JB2670 3 General requirements Metal cutting machine tool precision inspection list 3.1: Refer to JB2670 3.1 Ensure the installation level is met. Place a level ruler on the machine tool workbench and place the level on the level ruler: the reading of the level in the longitudinal and azimuthal directions shall not exceed 0.02/1 (100, 3.2 When inspecting the machine tool, the ambient humidity should be kept within 17--23℃. 3.3 During the inspection, the inspection tools and inspection methods can be installed and disassembled, and the actual inspection hall should be supported. 3.4 When inspecting the workpiece, the inspection of the test piece should be carried out after fine rolling. 3.5 When the measured length is different from the length specified in this standard, the tolerance shall be converted according to the length that can be measured according to the provisions of 2.3.1.1 of JB2670. When the minimum tolerance is 0.001mm, it shall still be calculated as 0.001mm. Approved by the Ministry of Machinery Industry on April 21, 1996-07-1 implementation JB/T8361.1-96 02o\01810'0 / 9n010'g
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