GB/T 21951-2023 Active National standards

GB/T 21951-2023 Cubic boron nitride inserts,tipped or solid—Dimensions,types

Publish Date: 2023-09-07 Implement Date: 2024-04-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 21951-2023

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Knives

ICS Name: Cutting tools comprehensive

Publish Date: 2023-09-07

Implement Date: 2024-04-01

Pages: 23 pages

Scope

This document specifies the types and dimensions of blades with cubic boron nitride (BL, BH, BC) inserts in the cutting portion or of fully cubic boron nitride blades, the shapes of which comply with GB/T 2078, GB/T 2079, GB/T 2081, and GB/T 2080. This document is applicable to the manufacture of blades with inserts or fully cubic boron nitride blades. The relationship between this document and ISO 13399 (all parts) regarding priority symbols is described in Appendix A.

Development Information

Word Count: 46 Thousand words Pages: 23 pages

Replace the following standards

GB/T 21951-2008 Cubic boron nitride inserts,tipped or solid—Dimensions

Referenced Standards

GB/T 2075-1998 Application of hard cutting materials for machining by chip removal—Designation of the main groups of chip removal and groups of application GB/T 2075-2007 Classification and application of hard cutting materials for metal removal with defined cutting edges—Designation of the main groups and groups of application GB/T 2076-1987 Indexable inserts for cutting tools—Designation GB/T 2076-2007 Indexable inserts for cutting tools—Designation GB/T 2076-2021 Indexable inserts for cutting tools—Designation GB/T 2080-1987 Indexable hardmetal (carbide) inserts with rounded corners, with partly cylindrical fixing hole—Part 1:Dimensions of inserts with 7°normal clearance GB/T 2080-2007 Indexable hard material inserts with rounded corners,with partly cylindrical fixing hole—Dimensions GB/T 2081-1987 Indexable hardmetal (carbide)inserts with wiper edges, without fixing hole—Dimensions GB/T 2081-2018 Indexable hardmetal(carbide)inserts with wiper edges,without fixing hole—Dimensions GB/T 2075-2025 Classification and application of hard cutting materials for metal removal with defined cutting edges—Designation of the main groups and groups of application

Adopt standards

ISO 16462:2014

Related Standards

GB/T 2075-1998 Replaced

GB/T 2075-1998 Application of hard cutting materials for machining by chip removal—Designation of the main groups of chip removal and groups of application

Publish Date: 1998-02-27

GB/T 17983-2000 Active

GB/T 17983-2000 Classification and designation of approximate chip control zones for indexable inserts with chipbreakers

Publish Date: 2000-02-18

GB/T 1442-2004 Active

GB/T 1442-2004 Driving tenons and sockets for parallel shank tools—Dimensions

Publish Date: 2004-02-10

GB/T 2075-2007 Replaced

GB/T 2075-2007 Classification and application of hard cutting materials for metal removal with defined cutting edges—Designation of the main groups and groups of application

Publish Date: 2007-07-26

GB/T 15306.1-2008 Active

GB/T 15306.1-2008 Indexable inserts for cutting tools—Ceramic inserts with rounded corners—Part 1:Dimensions of inserts without fixing hole(Class G)

Publish Date: 2008-06-03

GB/T 15306.2-2008 Active

GB/T 15306.2-2008 Indexable inserts for cutting tools—Ceramic inserts with rounded corners—Part 2:Dimensions of inserts with cylindrical fixing hole

Publish Date: 2008-06-03