磨 具 安 全 規(guī) 則

1、磨 具 安 全 規(guī) 則 GB 2494-84 代替 GB 2494-81 UDC 621.922-7國家標準局1984-01-14發(fā)布,1985-01-01實施    本標準適用于最高工作線速度大于15米/秒的各種類型的磨具。1磨具的最高工作線速度按下表規(guī)定。                        &

2、#160;                   線速度m/s     磨具名稱    代號                   &

3、#160;             陶瓷結合劑樹脂結合劑橡膠結合劑平形砂輪                 P        35       

4、60; 40         35                                       

5、;             孤形砂輪                PH        35         40  &

6、#160;  -                                               

7、     雙斜邊砂輪              PSX1-3    35         40          -     &#

8、160;                                              單斜邊砂輪  

9、60;           PDX1-2    35         40     -                  

10、0;                                 單面凸砂輪              PDT &#

11、160;     35         -           -                       

12、0;                            單面凹砂輪              PDA      &#

13、160;35         40         35                              &#

14、160;                     單面凹帶錐砂輪          PZA       35         40

15、     -                                             

16、;       雙面凹砂輪              PSA       35         40         35 

17、60;                                                 

18、60;雙面凹帶錐砂輪          PSZA      35         40     -                 

19、;                                   筒形砂輪、筒形帶槽砂輪  N，NC     25     

20、    30          -                                   

21、60;                杯形砂輪                B         30       &#

22、160; 35          -                                      

23、;              碗形砂輪                BW        30         35 &

24、#160;   -                                              

25、      蝶形砂輪                D1-3      30         35          - 

26、;                                                  

27、; 磨量規(guī)砂輪              JL        30         30     -           

28、;                                         磨針砂輪        &

29、#160;       JZ        25         -           -             &

30、#160;                                      薄片砂輪          

31、60;     PB        35         50         50                 &

32、#160;                                  磨轉子槽砂輪            PB  

33、;      35         35     -                             

34、                       螺栓緊固平形砂輪        PL        -         &

35、#160;35          -                                      

36、0;             鈸形砂輪                JB        -         60-80 

37、0; -                                                

38、60;   絲錐拋光砂輪            P         -           -         20   

39、0;                                                板牙拋光砂輪

40、0;           P         -           -         20         

41、;                                           石墨拋光砂輪      

42、;      P         -          30     -                   

43、                                 鏡面磨砂輪              P  

44、       -          25         -                       &#

45、160;                            柔性拋光砂輪            P        &

46、#160;-          -          23                            

47、60;                       磨螺紋砂輪              P         50  &

48、#160;      50         -                                 

49、0;                  高速砂輪                -       50-60       

50、50-60       -                                          

51、          磨皮輥砂輪              P         30          -     -&#

52、160;                                                 &#

53、160; 棕剛玉30及更粗M及                                     更硬的砂輪         

54、; -         40         40         -