JB/T 8338-2025 Pending Industry standards-Mechanical

JB/T 8338-2025 Grinding wheel for grinding the base surface of bearing balls

Publish Date: 2025-12-17 Implement Date: 2026-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: JB/T 8338-2025

Standard Type: Industry standards

Standard Status: Pending

is_force_gb: no

CCS Name: Abrasives and abrasive tools

ICS Name: Abrasives and grinding tools

Publish Date: 2025-12-17

Implement Date: 2026-07-01

Publisher: 工业和信息化部

Technical Committee: 全国磨料磨具标准化技术委员会

Development Information

Drafting Units:

白鸽磨料磨具有限公司、郑州磨料磨具磨削研究所有限公司、河南诺威磨具有限公司

Drafting Persons:

孙龙、赵聪、钟彦征、林森、祝小威、陈德光、李杭、张良、余佳音

Replace the following standards

JB/T 8338-2012 Stoneground grinding wheel for grinding ball base surface of bearing

Related Standards

GB/T 13826-1992 Replaced

GB/T 13826-1992 Wet type (non-metallic)friction materials

Publish Date: 1992-11-05

GB/T 14319-1993 Replaced

GB/T 14319-1993 Superfinishing stone

Publish Date: 1993-04-17

GB/T 14320-1993 Replaced

GB/T 14320-1993 Vitrified force-honing stone

Publish Date: 1993-04-17

GB/T 14321-1993 Replaced

GB/T 14321-1993 Testing method for quantities of α-Al2O3 phase in alumina with an X-ray diffractometer

Publish Date: 1993-04-17

GB/T 14322-1993 Abolished

GB/T 14322-1993 Determination for grain size distribution of microgrits W3.5 to W0.5 of conventional abrasive

Publish Date: 1993-04-17

GB/T 15305.2-1994 Replaced

GB/T 15305.2-1994 Coated abrasives—Abrasive rolls—Dimensions and tolerances

Publish Date: 1994-12-20