JB/T 7953-1999 This standard is a revision of JB/T 7953-95 "Inlaid tooth three-edge milling cutter". During the revision, the performance test chapter was deleted, and editorial modifications were made according to relevant regulations. Other technical contents remained unchanged. This standard specifies the type and size of the inserted tooth three-edge milling cutter, technical requirements and basic requirements for marking and packaging. This standard is applicable to inserted tooth three-edge milling cutters with a diameter of 80 to 315 mm. This standard was first issued in 1985 as GB 1128-85 and was adjusted to JB/T 7953-95 in April 1996. JB/T 7953-1999 Inserted tooth three-edge milling cutter JB/T7953-1999 Standard download decompression password: www.bzxz.net

ICS25.100.20
Machinery Industry Standard of the People's Republic of China
JB/T7953-1999
Inlaid tooth face milling cutter
Published on May 20, 1999
National Machinery Industry Week
Implemented on January 1, 2000
JB/T7953-1999
This standard is a revision of JB/T7953-95 "Inlaid tooth face milling cutter". During the revision, the performance test chapter was added, and editorial modifications were made according to relevant regulations. Other technical contents have not changed. This standard replaces JB/T7953-95 from the date of implementation. This standard is proposed and managed by the National Technical Committee for Tool Standardization. The responsible drafting units of this standard are: Chengdu Tool Research Institute, Harbin No. 1 Tool Factory, Shanghai Measuring Tool and Cutting Tool Factory, Harbin Measuring Tool and Cutting Tool Factory, Chengdu Measuring Tool and Cutting Tool Co., Ltd., Shanghai Tool Factory Co., Ltd., and Wuxi Measuring Tool and Cutting Tool Factory. Scope
Mechanical Industry Standard of the People's Republic of China
Inlaid tooth three-edge milling cutter
JB/T79531999
Replaces JB/T7953-95
This standard specifies the type and size, technical requirements and marking, and basic requirements for packaging of toothed three-edge milling cutters (hereinafter referred to as milling cutters).
This standard is applicable to inlaid tooth three-edge milling cutters with a diameter of 80-315mm. 2 Referenced standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest version of the following standards. GB/T6119.2—1996
GB/T 61321993
JB/T 7955-1999
3 Types and dimensions
Technical conditions for face and side milling cutters
Interchange dimensions of milling cutters and milling cutter bars
High-speed steel teeth for face and side milling cutters and sleeve face milling cutters 3.1 The types and dimensions of milling cutters shall be as shown in Figure 1 and Table 1. The dimensions and deviations of keys shall be as specified in GB/T6132. Double blade
Approved by the State Machinery Industry Bureau on 1999-05-20 and implemented on 2000-01-01
Limit reading difference
Limit reading difference
JB/T 7953—1999
Limit deviation
Limit deviation
Plate limit deviation
Note: The size and deviation of the blade shall be in accordance with JB/T7955. 3.2 Marking example:
JB/T 7953-1999
Table 1 (end)
Limit deviation
The mark of the three-face milling cutter with an outer diameter of D-200mm and a thickness of L=18mm is: Milling cutter 200×18JB/T7953-1999
4 Technical requirements
The mirror cutter surface should not have cracks, the cutting edge should be sharp, and there should be no defects such as chipping, lipping, grinding and annealing that affect the performance. 4.1
4.2 The roughness stability of the milling cutter surface shall be in accordance with the following provisions: 1. Front and back:
Inner hole surface:
1. The clearance surface on both sides of the cutter tooth and the two supporting end faces: 4.3 Position tolerance according to Table 2. bZxz.net
Radial circular runout of circumferential blade to inner hole axis End face circular runout to inner axis drawing line
R,6.3μm;
R,1.25μm;
R.1.25μm.
Adjacent teeth
Adjacent teeth
Note: For the detection method of circular runout, see Appendix A of GB/T6119.2-1996. 4.4 Material and hardness
D≤100
100
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