JB/T 8366-1996 Screw slot milling cutter

This standard is a revision of GB 1122-85 "Screw Slot Milling Cutter". This standard adds "Foreword", "Chapter 1 Scope", "Chapter 2 Reference Standards" and "Chapter 3 Symbols" to the original standard, and changes Chapter 1 of the original standard to Chapter 4 of this standard, and so on. The article numbers and contents in each chapter are slightly changed. The packaging box mark is based on the requirements of the "Product Quality Law", and the "address of the manufacturer or seller" mark is added. This standard specifies the type, basic dimensions, technical requirements, performance tests, marking and basic requirements for packaging of φ40~φ75mm coarse and fine tooth screw slot milling cutters. This standard is applicable to screw slot milling cutters for processing bolt, screw and nut driver slots according to GB 3103.1-82. JB/T 8366-1996 Screw Slot Milling Cutter JB/T8366-1996 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB/T8366-96
Screw Slot Milling Cutter
1996-04-22 Issued
Ministry of Machinery Industry of the People's Republic of China
1996-07-01 Implementation
JB/T8366-96
Rate Standard for Standardizing GB1122·85 This standard is compiled in accordance with CB/1.1-19S3. This standard adds "Chapter 1 Model Drawings", "Chapter 2 Reference Standards" and "Chapter 3 Academic Symbols" to the original standard, and adds the terminal point of the original chapter to the original standard. \, that is, the first part of the original standard is changed to the fourth chapter of the standard, and the content of each part is slightly changed. This standard is implemented from July 1, 1996. This standard is proposed and approved by the National Standardization Technical Committee. The responsible drafting unit of this standard is Wu Guo Measuring Tool and Cutting Tool Factory. The main drafting persons of this standard are: 1. Standard of the Machinery Industry of the People's Republic of China. 2. Screw Slot Milling Cutter. 3. Screw Slot Milling Cutter. 4. JR/T 8366-46. The standard specifies the type, size, technical requirements, property test, marking and decoration requirements of 0~75mm machine teeth and fine screwdrivers. 5. The standard applies to 310 hand-held screwdrivers with screw ends, 1. Beam, nail and screwdriver ends. 2 Reference standards The following referenced standards contain relevant texts which have become the main provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All new standards can be used to make the latest versions of the same standard possible. GB 310: 1-H2 Fasteners Male screw and female screw GB/T 611·1S05 Technical data sheet 3 Special number Special specification for screw types and internal diameters of standard tools Screw types and internal diameters of standard tools Increase according to the cutting speed and cutting speed Standard total length Type and size of tool as shown in Table 1. 4. 1
Approved by the Ministry of Industry and Information Technology on April 22, 1996
Implemented on July 1, 1996
Ultimate technique
4.2 Example of tender:
JBT366---96
Limited training coupon
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d=75mm, L=1.6mm, the number of teeth of the nail milling cutter with 60 is sized
screw drag cutter 75×1.6×60B/8366-965 technical requirements
5.1 The position of the end-to-end milling cutter is shown in Table 2,
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medical examination cutting
radial medical path of the hole extraction
note, the dynamic detection method is obtained by Ga/E141
JB66-9K
not to the inner hole line
4.25--0. 5
. 6--3.0
1556 or A.
1. 2-- 9. 5
2. 5--4. 0
5.2 The screw structure is made of W6Mu5C:4V3 and other commercial shavings with equal or better performance. The hardness is; L:1mm.62--651HRC:Www.bzxZ.net
L-1mm.63--66HRC.
5.3 The upper limit of the surface of the mirror is as follows: front rain: R.10m
hole surface: R.1.35m
both sides, .1.2,
5.→ The surface of the nail pattern knife should not have cracks, no cuts before cutting, no shooting, L and grinding burns and other defects that affect the performance
6 Performance test
The production of strict nail punch mirror knives, each generation should be carried out cutting performance test. 6.1 War cell disorder parts
6.1. The bed: the standard iron element, 6.1.2 size: the sample is the original.
Type of damage: Grade 4, hardness is 176~200
Scratching specification table 3.
t.25~n. 4
3. 3--..
n. 4~.n. 5
1. 0--1. 5
2. c-- 3. 5
4.0~.5. n
Other technical values
/T8366-96
6.1.5 Initial work: Use 1!20 emulsified oil water, the air flow is not less than 5/m. 6.2 Evaluation of test results
After the test, the adjustment should not have obvious dulling phenomenon, should maintain its performance, and can continue to be used. If the cutting parts do not meet the above requirements, it is judged that the performance test is not qualified. 7 Marking and Packaging
7.1 Marking
7.1.1 The screw thread blade should be marked with:
b) outer diameter (4) thickness (L) and tooth effect of the screw thread blade:
c) trade steel number [International IISS]. 7.1.2 The packaging should be marked with:
d) name, address and trademark of the manufacturer;
e) trade mark number;
e) number of pieces;
f) year and month of manufacture:
7.2 Packaging
The screw thread blade should be rust-proofed before use and should be packed tightly to prevent damage during transportation. 4
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