GB/T 3668.8-1983 Dimensions of base on column side of common components of modular machine tools GB/T3668.8-1983 Standard download decompression password: www.bzxz.net

National Standard of the People's Republic of China
Common parts for modular machine tools
Dimensions of base on the column side
Modular units for machine tool constructionwlagbaseforcolumns-DimeasionsThis standard is equivalent to ISO2934-1973 "Common parts for modular machine tools-1 Scope
This standard specifies the relevant interchangeable dimensions of the base on the column side of modular machine tools. 2 Nominal dimensions
Base on the column side".
The nominal dimensions are expressed in terms of the saddle width of the corresponding slide mounted on the column. The following five nominal dimensions are used:
250, 320, 400, 500 and 630 mm.
3 SizeWww.bzxZ.net
T092T11
20+081
2 locating pin holes
(if needed)
steaming surface
1 bolt hole
Note: For the dimensions with ·, the center distances of the two bolt holes can be selected for each side base height. Issued by the State Bureau of Standards on May 9, 1983
UDC621.9—21
GB 3668.8-83
ISO 29341973
Implemented on March 1, 1984
Nominal size
Additional notes:
Mounting surface width
GB 3668.8—83
Bolt hole center distance
Flange width
This standard was proposed by the Ministry of Machinery Industry of the People's Republic of China and drafted and managed by the Dalian Combined Machine Tool Research Institute of the Ministry of Machinery Industry. The main drafter of this standard is Cao Weiqian.
Bottom width
Bolt size
From the date of implementation of this standard, the former Ministry of Machinery Industry standard JB:1527-75 "Nominal dimensions and interchangeable dimensions of column bases of common components of modular machine tools" shall be invalid.
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