JB/T 7955-1999 This standard is a revision of JB/T 7955-95 "High-speed steel teeth for face and side milling cutters and sleeve face milling cutters". During the revision, only editorial changes were made according to relevant regulations, and the technical content remained unchanged. This standard specifies the type and size, technical requirements and basic requirements for marking and packaging of high-speed steel teeth for face and side milling cutters and sleeve face milling cutters (hereinafter referred to as teeth). This standard is applicable to high-speed steel teeth for face and side milling cutters and sleeve face milling cutters produced in accordance with JB/T 7953 and JB/T 7954. This standard was first issued in 1985 as GB 1130-85 and adjusted to JB/T 7955-95 in April 1996. JB/T 7955-1999 High-speed steel teeth for face and side milling cutters and shell face milling cutters JB/T7955-1999 Standard download decompression password: www.bzxz.net

ICS 25.100.20
Machinery Industry Standard of the People's Republic of China
JB/T79551999
High-speed steel teeth for face and side milling cutters with insert teeth and shell face milling cutters
Published on May 20, 1999
National Bureau of Machinery Industry
Implemented on January 1, 2000
JB/T79551999
This standard is a revision of JB/T7955-95 "High-speed steel teeth for face and side milling cutters with insert teeth and shell face milling cutters". During the revision, only editorial changes were made according to relevant regulations, and the technical content remained unchanged. This standard replaces JB/T7955-95 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 Factory, Harbin Measuring Tool Factory, Chengdu Measuring Tool Co., Ltd., Shanghai Tool Factory Co., Ltd., Wuxi Measuring Tool Factory. Scope
Mechanical Industry Standard of the People's Republic of China
High-speed steel teeth for face and side milling cutters and shell face milling cutters
JB/T7955-1999
Replaces JB/T7955-95
This standard specifies the type and size, technical requirements, marking and basic requirements for packaging of high-speed steel teeth for face and side milling cutters and shell face milling cutters (hereinafter referred to as teeth). This standard applies to high-speed steel teeth for face and side milling cutters and sleeve face milling cutters produced in accordance with JB/T7953-1999 "Inlaid tooth three-edge milling cutters" and JB/T7954-1999 "Inlaid tooth sleeve face milling cutters". 2 Reference 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 versions of the following standards. Insert tooth three-edge milling cutter
JB/T7953-19994
JB/T7954-1999
Inserted tooth sleeve face milling cutter
3 Types and dimensions
The types and dimensions of the milling cutter are in accordance with Figure 1 and Table 1. 3.1
Force retention tooth
(maximum)
State Machinery Industry Bureau 1999-05-20 approved Figure 1
Left cutter tooth
2000-01-01 implementation
Tooth code
Right cutter tooth
1-10-1
113 1
1-15-1
1 -22.5 - 1
3-15 -1
3 - 18.5 1
3 28.5 - 1
The tooth on the left is
1-10-2
1-13-2
1-15-2
2-11-2
2-13-2
3.2 Marking example:
The tooth with code 1-10-1 is marked as: JB/T7955-1999
Tooth Size
1-10-1JB/T7955—1999
4 Technical requirements
4.1 The sharpening of the teeth should be carried out after assembly
Use of teeth
Surface edge strength
80;100
125;160,200
125;160
16: 18
20; 22
16; 18
160;200:250
125;160;200
250:315
160;200;
250;315
250;315wwW.bzxz.Net
4.2 The teeth are made of W6Mo5Cr4V2 or other high-speed steel with equivalent performance, and its hardness is 63~66HRC. 5 Marking and packaging
5.1 Marking
5.1.1 The teeth should be marked with: manufacturer's trademark, tooth code, material code or brand. 20; 22
32; 36
Partition surface
Iron outer diameter
160;200
5.1.2 The packaging box of the milling cutter should be marked with: product name, standard number, manufacturer name, address and trademark, cutter tooth code, material, number of pieces, year and month of manufacture.
5.2 Packaging
The cutter teeth should be treated with rust prevention before packaging. The packaging must be firm and prevent damage during transportation. 2
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