JB/T 7966.1-1999 JB/T 7966.1-1999 Die and mold milling cutters Part 1: Cylindrical ball nose end mills with straight shank JB/T7966.1-1999 Standard download decompression password: www.bzxz.net

1CS25.100.20
Machinery Industry Standard of the People's Republic of China
JB/T7966.1~7966.10-1999
Mold milling cutter
Published on May 20, 1999
National Bureau of Machinery Industry
Implementation on January 1, 2000
JB/T 7966.11999
This standard is a revision of JB/T7966.1-95 (original GB6336.1-86) "Mold milling cutter straight shank cylindrical ball head end mill". During the revision, only editorial changes were made according to relevant regulations, and the technical content remained unchanged. The original standard non-equivalently adopts the standard series I group and long series I group in the international standard ISO1641/1-1978 "End mills and key milling cutters Part 1: Straight shank milling cutters".
This standard is part of the JB/T7966 "Mold Milling Cutter" series of standards, which includes the following 10 parts: JB/T 7966.11999
JB/T 7966.2—1999
JB/T7966.3—1999
JB/T 7966.4—[999
JB/T 7966.5—1999
JB/T7966.6—1999
JB/T7966.7—1999
JB/T7966.8—1999
JB/T 7966.9—1999
JB/T7966.10—1999
Mold milling cutters Part 1: Straight shank cylindrical ball end mills Mold milling cutters
Mold milling cutters
Mold milling cutters
Mold milling cutters
Mold milling cutters
Mold milling cutters
Mold milling cutters
Mold milling cutters
Part 2: Flattened straight shank cylindrical ball end mills Part 3: Morse taper shank cylindrical ball end mill Part 4: Straight shank circular dimensional end mill
Part 5: Flattened straight shank tapered end mill Part 6: Straight shank tapered ball end mill
Part 7: Front flat straight shank tapered ball end mill Part 8: Morse taper shank tapered end mill Part 9: Morse taper shank tapered ball end mill Die milling cutter Part 10: Technical conditions
This standard replaces JB/T7966.1-95 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: Chengdu Tool Research Institute, Changshu Measuring Tool and Cutting Tool Factory. Scope
Mechanical Industry Standards of the People's Republic of China
Die milling cutter
Part 1: Straight shank cylindrical ball end mill This standard specifies the types and dimensions of straight shank cylindrical ball end mills. This standard applies to straight shank cylindrical ball head mold milling cutters with ball head diameters of 4 to 63 mm. 2 Reference standards
JB/T7966.1-1999
Replaces JB/T7966.I95
The provisions contained in the following standards are 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. GB/T 6131.1--1996
JB/T7966.10—1999
Types and dimensions
Milling cutter straight shank Part 1: Types and dimensions of ordinary straight shanks Mold milling cutters
Types and dimensions are as shown in Figure 1 and Table 1.
Approved by the State Machinery Industry Bureau on May 20, 19992
Part 10: Technical conditions
Implemented on January 1, 2000bZxz.net
Standard type
JB/T7966.1-1999
90±1.10180
1d≤6mmThe milling part can be made into a reverse center. 2Mirror cutters can be made without necks.
3 Shank dimensions and deviations shall comply with GB/T6131.1. 4 Marking examples
Standard type
28°~35°
The marking of a straight shank cylindrical ball end mill (standard type) with a ball head diameter of d16mm is: ball end mill 16 JB/T7966.1—1999
The marking of a straight shank cylindrical ball end mill (long type) with a ball head diameter of d-16mm is: ball end mill 16 long JB/T7966.1---1999 5 Technical conditions
Technical conditions shall comply with JB/T7966.10.
8°~130
16 18°
140 169
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