JB/T 10154-1999 This standard specifies the shape, size, technical requirements, test methods, inspection rules, marking and packaging of grinding steel ball grinding wheels. This standard is applicable to ceramic bond grinding steel ball grinding machines. This standard is published for the first time. JB/T 10154-1999 Common Abrasive Grinding Steel Ball Grinding Wheels JB/T10154-1999 Standard download decompression password: www.bzxz.net

JB/T10154—1999
This standard is formulated according to the needs of the development of production and use of steel ball grinding wheels. This standard is proposed and managed by the National Technical Committee for Standardization of Abrasives and Grinding Tools. The responsible drafting unit of this standard is Baige (Group) Co., Ltd. The main drafters of this standard are Wu Chengbin, Lu Zongyan, Jiang Mengning, Chen Jianmin and Yang Baolin. 572
1 Scope
Machinery Industry Standard of the People's Republic of China
Ordinary Abrasives-Grinding Wheels for Steel Balls
Bonded abrasive products--Grinding wheel for steel ballsJB/T10154—1999
This standard specifies the shape, size, technical requirements, test methods, inspection rules, marking and packaging of steel ball grinding wheels. This standard applies to ceramic bonded steel ball grinding wheels (hereinafter referred to as grinding wheels). 2 Referenced Standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards are subject to revision, and parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T2490—1984 Method for testing the hardness of abrasive tools by sandblasting hardness machine GB/T2495—1996 Packaging of ordinary abrasive tools
GB/T2828-1987 Procedure and sampling table for batch inspection by counting (applicable to inspection of continuous batches) JB/T7992.1995
3 Shape and size
Inspection method of abrasive tools
3.1 Grinding wheel shape See Figure 1, code 1.
3.2 Basic dimensions of grinding wheels See Table 1.
Approved by the State Machinery Industry Bureau on October 8, 1999 and implemented on March 1, 2000
Technical requirements
Limit deviations of basic dimensions of grinding wheels See Table 2. Table 2
Dimensions
(DXTXH)
800X100 X 290
820×110×305
800×100×360
800X100X450
720X80X290
4.2 The geometric and position tolerances of the grinding wheel are shown in Table 3.
JB/T10154--1999
Table 1 Basic dimensions of grinding wheels
Limit deviation of basic dimensions of grinding wheels
Limit deviation
Outer diameter D
Thickness T
Table 3 Geometric tolerances of grinding wheels
Parallelism of both end faces
General requirements
Special requirements
Aperture H
4.3 The grinding wheel should not have defects such as inclusions, delamination, and cracks. There should be no cavities with a maximum linear dimension exceeding 3mm on both end faces of the grinding wheel, and the grinding wheel should not have a foaming layer. Grinding wheels with an outer diameter of 720mm and special requirements The two end faces of the grinding wheel should be smooth. 4.4 The grinding wheel should be sandblasted for hardness testing, and the hardness uniformity should not be greater than 0.2mm. 5 Test methods
5.1 The inspection of grinding wheel appearance defects, dimensional deviation, geometric tolerance shall be in accordance with the provisions of JB/T7992. 5.2 The inspection of grinding wheel hardness shall be in accordance with the provisions of GB/T2490, using a 28cm2 sand chamber with an air pressure of 0.15MPa. 6 Inspection rules
6.1 The inspection of grinding wheels shall be carried out in accordance with the provisions of Chapter 4 and Chapter 5. 6.2 Sampling shall be carried out in accordance with the provisions of GB/T2828. 6.2.1 The classification of non-conformities shall be in accordance with the provisions of Table 4. 574
Dimensional deviation
Appearance defects
Geometric tolerance
JB/T10154—1999
Table 4 Non-conformity classification
Class BI non-conformity
6.2.2 The inspection batch shall consist of unit products of 1000 specifications. 6.2.3 The sampling plan adopts a single sampling plan. Class B nonconformityWww.bzxZ.net
6.2.4 General inspection level 1 is adopted for Class B1 nonconformity inspection, and special inspection level S-2 is adopted for Class B1 nonconformity inspection. 6.2.5 The qualified quality level AQL value of Class B1 and Class B1 nonconformity is 6.5. The AQL value is the number of nonconforming products per 100 units of products.
7 Marking and packaging
7.1 The product should have the following markings:
a) product name, product standard number, registered trademark; b) manufacturer's name and address;
c) product specifications, general requirements or special requirements. 7.2 The product should have a certificate of conformity.
7.3 Product packaging should comply with the provisions of GB/T2495. 575
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