JB/T 9923.1-1999 Double disc grinding machine accuracy inspection

JB/T 9923.1-1999 This standard is a revision of ZB J55 047-89 "Double Disc Grinding Machine Precision". This standard is part of the JB/T 9923 "Double Disc Grinding Machine" series of standards, which includes the following two parts: JB/T 9923.1-1999 Double Disc Grinding Machine Precision Inspection JB/T 9923.2-1999 Double Disc Grinding Machine Technical Conditions This standard specifies the requirements and inspection methods for the geometric accuracy inspection and working accuracy inspection of double disc grinding machines. This standard is applicable to rocker-type and fixed double disc grinding machines with grinding disc diameters of 400~1250mm. This standard was first issued in March 1989. JB/T 9923.1-1999 Double Disc Grinding Machine Precision Inspection JB/T9923.1-1999 Standard Download Decompression Password: www.bzxz.net

IC5 25.080.50
Machinery Industry Standard of the People's Republic of China
JB/T99Z3.1~9923.2—1999
Double Disc Grinding Machine
1999-05-20 Issued
National Bureau of Machinery Industry
2000-01-01 Implementation
JB/T9923.1—1999
This standard is formulated on the basis of ZBJ55047—89 "Double Disc Grinding Machine Precision". The technical content of this standard is the same as that of ZBJ55047...89, and it has only been re-edited according to the relevant regulations. This standard is part of the JB/T9923≤ double disc grinding machine series standard: This series of standards includes the following two parts: JB9923.1-1999 Double disc grinding machine precision inspection JB/T9923.2-1999 Double disc grinding machine technical conditions This standard will replace ZBJ55 from the date of implementation (47-89. This standard is issued by the National Metal Cutting Machine Tool Standardization Technical Committee: This standard is under the jurisdiction of the National Metal Cutting Machine Tool Standardization Technical Committee. The drafting unit of this standard is Xinduo Machine Tool Factory. This standard was first issued in March 1999.
[Scope
Machinery Industry Standards of the People's Republic of China
Direct Inspection
Double Disc Grinding Machine
JB/T9923.1-1999
ZB047-89
This standard specifies the requirements and inspection methods for the precision inspection and working precision inspection of double disc grinding machines. This standard applies to grinding discs Double-disc grinding machine with diameter of 400-1250m, rotating and fixed type 2 Reference standards
The following standards contain provisions that constitute technical standards through reference in this standard. When this standard is published, the indicated versions are all minor. All standards may be revised. The service provider using this standard should explore the possibility of using the latest version of the following standards GB.T1031-1995
Surface roughness parameters and their values ​​
GB17421.1-1998 General rules for machine tool inspection Part 1: Geometrical properties of machine tools under no-load or finishing conditions 3 General requirements
3.1 When using this standard, the service provider should consider the possibility of using the latest version of the following standards GB.T1031-1995
Surface roughness parameters and their values ​​
GB17421.1-1998 General rules for machine tool inspection Part 1: Geometric ... The relevant regulations of GB/T17421.1 shall be followed. Especially the installation before inspection, the idling temperature rise of the spindle and other parts, the inspection method and the accuracy of the inspection tools. 3.2 Adjust the installation level according to the provisions of 3.1 in GB/17421.1-1995. The horizontal inverse number in the longitudinal and sill directions shall not exceed 0.04/1000.
3.3 Before inspection, the actual inspection sequence can generally be arranged according to the requirements of the assembly and disassembly tools and the inspection method and the thermal inspection items. 3.4 When the measured length is different from the length specified in this standard, the measurable length conversion shall be made according to the provisions of 2.3.1.1 in GB17421.1-1998. When the conversion result is less than 0.001 concave, it is still calculated as 0.001mm: 3.5 When the sugar content is adjusted, the test piece should be inspected after special research. 3.6 According to the agreement between the user and the manufacturer, the inspection items can be increased. Approved by the State Administration of Industry for Machinery and Equipment Industry on May 20, 1999 2
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