磨 具 安 全 规 则

1、磨 具 安 全 规 则 GB 2494-84 代替 GB 2494-81 UDC 621.922-7国家标准局1984-01-14发布,1985-01-01实施    本标准适用于最高工作线速度大于15米/秒的各种类型的磨具。1磨具的最高工作线速度按下表规定。                        &

2、#160;                   线速度m/s     磨具名称    代号                   &

3、#160;             陶瓷结合剂树脂结合剂橡胶结合剂平形砂轮                 P        35       

4、60; 40         35                                       

5、;             孤形砂轮                PH        35         40  &

6、#160;  -                                               

7、     双斜边砂轮              PSX1-3    35         40          -     &#

8、160;                                              单斜边砂轮  

9、60;           PDX1-2    35         40     -                  

10、0;                                 单面凸砂轮              PDT &#

11、160;     35         -           -                       

12、0;                            单面凹砂轮              PDA      &#

13、160;35         40         35                              &#

14、160;                     单面凹带锥砂轮          PZA       35         40

15、     -                                             

16、;       双面凹砂轮              PSA       35         40         35 

17、60;                                                 

18、60;双面凹带锥砂轮          PSZA      35         40     -                 

19、;                                   筒形砂轮、筒形带槽砂轮  N，NC     25     

20、    30          -                                   

21、60;                杯形砂轮                B         30       &#

22、160; 35          -                                      

23、;              碗形砂轮                BW        30         35 &

24、#160;   -                                              

25、      蝶形砂轮                D1-3      30         35          - 

26、;                                                  

27、; 磨量规砂轮              JL        30         30     -           

28、;                                         磨针砂轮        &

29、#160;       JZ        25         -           -             &

30、#160;                                      薄片砂轮          

31、60;     PB        35         50         50                 &

32、#160;                                  磨转子槽砂轮            PB  

33、;      35         35     -                             

34、                       螺栓紧固平形砂轮        PL        -         &

35、#160;35          -                                      

36、0;             钹形砂轮                JB        -         60-80 

37、0; -                                                

38、60;   丝锥抛光砂轮            P         -           -         20   

39、0;                                                板牙抛光砂轮

40、0;           P         -           -         20         

41、;                                           石墨抛光砂轮      

42、;      P         -          30     -                   

43、                                 镜面磨砂轮              P  

44、       -          25         -                       &#

45、160;                            柔性抛光砂轮            P        &

46、#160;-          -          23                            

47、60;                       磨螺纹砂轮              P         50  &

48、#160;      50         -                                 

49、0;                  高速砂轮                -       50-60       

50、50-60       -                                          

51、          磨皮辊砂轮              P         30          -     -&#

52、160;                                                 &#

53、160; 棕刚玉30及更粗M及                                     更硬的砂轮         

54、; -         40         40         -