JB/T 2462.16-1999 Parameters and dimensions of polygonal intermediate base for common components of modular machine tools

JB/T 2462.16-1999 This standard is a revision of JB 2512-78 "Nominal Dimensions and Interchange Dimensions of Polygonal Intermediate Bases of Common Components for Modular Machine Tools". Only editorial modifications have been made according to relevant regulations, and the main technical content has not changed. This standard specifies the parameters and dimensions of polygonal intermediate bases for modular machine tools. This standard applies to polygonal intermediate bases for modular machine tools. This standard was first issued in 1978. JB/T 2462.16-1999 Parameters and dimensions of polygonal intermediate bases of common components for modular machine tools JB/T2462.16-1999 Standard download decompression password: www.bzxz.net

1C25.6.99
Machinery Industry Standard of the People's Republic of China
JB/12462.1~2462.28-1999
Common Components for Combined Machine Tools
Published on 1990-05-21
State Machinery Industry Bureau
2(MI-01-1 Implementation
JR/TZ462.16-[999
This standard is based on the technical standard JE2512
278 combination machine tool common parts: multi-shaped intermediate base nominal size, small base end processing
and the technical content of 2512-7R is the same, only revised according to the relevant provisions. From the date of implementation, it will replace J2512-78. This standard is proposed by the National Metallurgical Machine Tool Standardization Technical Committee. This standard is all metal training The former Machine Tool Standardization Technical Committee Combined Machine Tool Branch. This standard is responsible for or drafted by: Renlian Combined Machine Tool Research Institute: This standard was first issued in 1978.
1 Scope
Machinery Industry Standards of the People's Republic of China
Common Parts of Combined Machine Tools
Parameters and Dimensions of Polygonal Intermediate Bases
This standard specifies the parameters and dimensions of polygonal intermediate bases of combined machine tools. This standard applies to polygonal intermediate bases of combined machine tools: 2 Reference Standards
JR/T2462 .16—[999
信替笔12—78
The following standards contain provisions that constitute the provisions of this standard through reference in this standard. When this standard was published, the versions shown were valid. All the standards are subject to subscription. The use of this standard allows the possibility of using the latest versions of the following standards. GET1581996 T-shaped die and corresponding bolts for machine table 3 nominal dimensions
Polygonal center seat with the corresponding rotary table diameter D as nominal dimension, divided into 320mm .400mm,500mm,630mm,800mm,1000mm specifications.
Competitive efficiency and interchangeable dimensions
The coefficient and interchangeable dimensions of the polygonal intermediate base are specified in the table! , Figure 1. Table 1
Name of support dimensions
Shape (→)
Multiple internal wind diameters
Tightening multiple screw control hole center distribution surface diameter
System, some tension
Accumulated screw hole
500289207
600 346249
1000577
1 In the case of special requirements of the basic system, the number of sides of the polygon can be increased: 2 The polygon can be equipped with a smaller rotary table, for example: on the front base of the polygon with a diameter of D-100kln, a rotary table with a diameter of D-63 mm can be equipped. Approved by the National Machinery Industry Bureau on 1999-05-20 14
12UU693497
2000-01-01 implementation
T Ticket GB/T158-199www.bzxz.net
JB/T2462.16—1999
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