GB/T 4682-1984 Internal grinding machine accuracy

GB/T 4682-1984 Internal Grinding Machine Accuracy GB/T4682-1984 Standard Download Decompression Password: www.bzxz.net

National Standard of the People's Republic of China
Interaal cylindrical grindng machines with horizontal splndles-Testingof theaccuracyThis standard applies to internal cylindrical grinders with general purpose and ordinary accuracy. This standard is formulated with reference to ISO2407-1973 "Internal cylindrical grinder accuracy testing" standard. UDC 621.925
.24.08
GB4682-84Www.bzxZ.net
The order of accuracy testing items listed in this standard does not represent the order of actual testing. In order to facilitate the installation and disassembly of testing tools and testing, the testing can be carried out in any order.
According to the agreement between the user and the manufacturer, the testing items can be increased or decreased. 1 General requirements
1.1 When using this standard, refer to JB 2670-82 "General Rules for Inspection of Metal Cutting Machine Tools", especially the installation and leveling of the machine tool before the accuracy inspection, and the idling and heating of the spindle and other components. The accuracy of the inspection method and inspection tools, etc. 1.2 When inspecting the working accuracy, the inspection of the test piece should be carried out after fine grinding. 1.8 When the measured length is different from the length specified in this standard, the tolerance should be converted according to the provisions of Item 2.3.1.1 of JB2670 according to the longest length that can be measured. If the conversion result is less than 0.001mm, it will still be calculated as 0.001mm. Released by the National Bureau of Standards on 1984-09-28
Implemented on 1985-08-01
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This standard was proposed by the Ministry of Machinery Industry of the People's Republic of China. It was returned by the China Internal Grinding Machine Research Institute. This standard was drafted by the China Internal Grinding Machine Research Institute. Since this standard. The original First Ministry of Machinery Industry Internal Grinding Machine Accuracy"
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