JB/T 8482.1-1999 JB/T 8482.1-1999 Screw lathe precision inspection JB/T8482.1-1999 Standard download decompression password: www.bzxz.net

ICS 25. U80. 10
Machinery Industry Standard of the People's Republic of China
JB/T8482.1-1999
Screw Lathe
Published on 1999-05-20
Precision Inspection
2000-1-{1 Implementation
State Machinery Industry Bureau
JB/T8482.1—1999
This standard is a revision of ZBJ5300487 Screw Lathe Precision. When ordering, only relevant information is reported. The provisions have been modified and the technical content has not changed.
This standard is part of the JB8482 "Screw Turning Quality" series of standards, which includes the following two parts: JB18482.1-1999 Screw Turning Accuracy Test B/8482.21996 Screw Turning Technical Conditions A Standard Implementation Date: February 15! 04 This standard is issued by the National Metal Cutting Machine Tool Standardization Technical Committee, and the production standard is prepared by the Lathe Branch of the National Metal Cutting Machine Tool Standardization Technical Committee. The responsible drafting unit of this standard: Shenyang Lathe Research Institute. The signing drafting units of this standard: Shanghai Second Lathe Factory, Washing Second Machine Factory, Daqun Machine Factory, First Class. This standard was first issued in October 1979 and revised for the first time in May 1987: 1 Scope
Machinery Industry Standard of the People's Republic of China
Precision Inspection
Screw Lathes
Guidelines for the precision inspection of screw lathes and the requirements and inspection methods for screw lathes. JB/T8482.1—199Www.bzxZ.net
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This standard is applicable to machines with a diameter of 100 mm and a maximum length of 8000 mm. 2 Reference Standards
The following standards contain provisions that become standard provisions through citation in this standard. At the time of publication, the points shown are valid, all the referenced parts will be revised, and the parties using this standard should consider the possibility of using the latest versions of the following standards. G17421.1998 Machine Tool Validation Plan No. 1! Part: Under the conditions of no gold transmission or fine addition, the machine's salary 3 generally needs to be paid
3.1 Refer to GB17421.11998-3.1 for the whole gram of meal water. Place the simple board in a guiding position, and place the water station on the machine tool with a special bridge plate. The reading of the water semi-instrument in the longitudinal direction exceeds the specified value of the manufacturer. 3.2 When the machine is inspected according to the width, the ambient temperature shall be kept within 20℃+1%. 3.3 During the inspection, the general market connection and disassembly inspection work and the requirements of the heat inspection items shall be arranged in the actual inspection room. 3.4! When the accuracy is just right, the inspection of the parts shall be carried out after the precision turning. 3.5 When the length table is different from the length specified in this standard, the length that can be measured shall be converted according to the specification of 2.3.1.1 in (B/T17421.1-1998). When the calculated result is less than 0.9a5mm, it shall be calculated according to (.005mm. Approved by the State Machinery Industry Bureau on May 20, 1999, 2000-01-01 dyeing
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