JB∕T 13943-2020 超硬磨料制品 金刚石或立方氮化硼砂布.pdf

ICS25.100.70

J43

同J:~

中华人民共和国机械行业标准

JB厅、13943-2020

超硬磨料制品金刚石或立方氮化棚砂布

Superabrasiveproducts一－Diamondorcubicboronnitrideabrasivecloth

2021-01-01实施

2020-04-16发布

中华人民共和国工业和信息化部发布

JBff13943-2020

目次

前言.........................…....…..n

l范围“………··………··……..............…….................….........……·……..................………..........………...1

2规范性引用文件…·……·……1

3术语和定义……··…………………··…1

4分类、代号与标记…··…...…·….…........................................................1

4.1结合剂分类及代号………·······························……………······································……1

4.2尺寸代号…··…..…··….....................…......................…...………..............…2

4.3磨料分布类型及代号………………··……··…...2

4.5磨料粒度标记……·······……··…………3

4.6产品标记…································………－………··……··…3

5技术要求…··………··…3

5.1外观.….......……...….…··……....…...3

5.2镀层与磨料颗粒结合强度…………··……··…………4

5.3基本尺寸极限偏差4

6试验方法………4

6.1外观……………··…4

6.2镀层与磨料颗粒结合强度··············…4

6.3基本尺寸极限偏差……··………4

7检验规则………………4

7.1不合格分类………·…································………··…··……4

7.2检验批的确定..........….................…..............................…··…….......……...…........…..................…..5

7