This part is equivalent to ISO5421:1977 "Ground high-speed steel turning blades". GB/T 4211.1-2004 High-speed steel turning blades Part 1: Types and dimensions GB/T4211.1-2004 Standard download decompression password: www.bzxz.net

TCS 25. 10D.10
National Standard of the People's Republic of China
GB/T 4211.1—2004/ISO 5421:1977
High speed steel turning tool blades Part 1: Types and dimensions (Is0 3421:1977, for round high $peed xleel kol its, 1Dr) Issued on February 10, 2004wwW.bzxz.Net
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
Implementation on August 1, 2004
/211 High speed turning tool blades are divided into two parts,
Part 1: Types and dimensions;
Part 2: Technical requirements.
This part is the first part of GB4211.
GB/T4211.1—2004/I505421:1977 This part adopts 150, 421:15778 ground high-performance steel. This part is divided into English version (3): For ease of use, this part makes the following modifications: "This international standard" is changed to "≥" in the part, "recommended as the number of the small effective point", ": Drawings are made according to Chinese standards:
Delete the words of the international standard:
Add the material appendix "normal pressure dimensions". This part replaces (B/T121) 19844 high-performance steel car type and size before: This part is compared with: 11/14211-198. The overall changes are as follows: The following technical requirements are listed in Part 2 Technical Conditions: The test method part of (H311-184) and the marking and packaging part are included in the technical clauses: The acceptance chapter is cancelled!
The marking examples are cancelled;
Dimensions not in 3121:37 are listed as common sizes in Appendix A, and the informative Appendix A\Common Dimensions\Part 6 of the Yin-Yang Record A is added as an informative appendix.
The Ministry of Industry and Information Technology and the Ministry of Commerce have jointly issued this part of the drafting unit of this part: the Ministry of Tools and Equipment Research Institute. The main drafters of this part are: Yue, Check and. This part of the standard is the first release of the evaluation identification: (H/T 4711382.
1 Scope
High speed steel turning tool strips
t+R/T 4211.1—2004/ISD 5421:1977 Part 1 Types and dimensions
This part specifies the types and dimensions of the following commercial steel turning strips: Shaped surface (Second Section):
Square cross section (Second Section):
Rectangular cross section (First ... 5421:1977h
Rectangular disc turning tool
Unit is meter
neutral
Second type
Irregular quadrilateral turning tool (cutting tool with side angle but no back angle) 5
: After discussion between supply and demand, one end of this turning tool can be made into an angle, 82
CH/T4211.1—2004/E505421:1977Unit is millimeter
GB/F4211.1—2004/18( 5421,1977A.1 Square
Jiang: The ones with brackets and as small as possible.
Appendix A
(Informative Appendix)
Common Sizes
Table A, 1
Unit is the price
Single business is the old technology
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