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1.目的:为完善作业标准,制订本文件。
2.范围:适用于本公司各生产部门之作业。
3.职责:各相关部门根据本文件要求,遵循并执行之。
4.内容
4.1公制螺丝规格表:
M*P
A
E
B
L
3*0.5
5.5
3
2.5
6
8
10
12
16
20
25
30
35
40
45
50
4*0.7
7
4
3
6
8
10
12
16
20
25
30
35
40
45
50
55
5*0.8
8.5
5
4
6
8
10
12
16
20
25
30
35
40
45
50
55
60
65
70
75
80
90
6*1.0
10
6
5
8
10
12
16
20
25
30
35
40
45
50
55
60
65
70
75
80
90
8*1.25
13
8
6
10
12
16
20
25
30
35
40
45
50
55
60
65
70
75
80
90
10*1.5
16
10
8
12
16
20
25
30
35
40
45
50
55
60
65
70
75
80
90
12*1.75
18
12
10
20
25
30
35
40
45
50
55
60
65
70
75
80
90
14*1.75
22
14
12
25
30
35
40
45
50
55
60
65
70
75
80
90
16*2.0
24
16
14
25
30
35
40
45
50
55
60
65
70
75
80
90
4.2英制螺丝规格表:
D
A
E
B
L
1/8"
7/32"
1/8"
3/32"
1/4"
3/8"
1/2"
5/8"
3/4"
1"
1-1/4"
5/32"
1/4"
5/32"
1/8"
1/4"
3/8"
1/2"
5/8"
3/4"
1"
1-1/4"
1-1/2"
1-3/4"
2"
3/16"
5/16"
3/16"
5/32"
1/4"
3/8"
1/2"
5/8"
3/4"
1"
1-1/4"
1-1/2"
1-3/4"
2"
2-1/4"
2-1/2"
2-3/4"
3"
1/4"
3/8"
1/4"
3/16"
3/8"
1/2"
5/8"
3/4"
1"
1-1/4"
1-1/2"
1-3/4"
2"
2-1/4"
2-1/2"
2-3/4"
3"
3-1/4"
3-1/2"
4"
5/16"
7/16"
5/16"
1/4"
1/2"
5/8"
3/4"
1"
1-1/4"
1-1/2"
1-3/4"
2"
2-1/4"
2-1/2"
2-3/4"
3"
3-1/4"
3-1/2"
4"
3/8"
9/16"
3/8"
5/16"
5/8"
3/4"
1"
1-1/4"
1-1/2"
1-3/4"
2"
2-1/4"
2-1/2"
2-3/4"
3"
3-1/4"
3-1/2"
4"
1/2"
3/4
1/2"
3/8"
1"
1-1/4"
1-1/2"
1-3/4"
2"
2-1/4"
2-1/2"
2-3/4"
3"
3-1/4"
3-1/2"
4"
5/8"
7/8"
5/8"
1/2"
1-1/4"
1-1/2"
1-3/4"
2"
2-1/4"
2-1/2"
2-3/4"
3"
3-1/4"
3-1/2"
4"
3/4"
1"
3/4"
5/8"
1-1/2"
1-3/4"
2"
2-1/4"
2-1/2"
2-3/4"
3"
3-1/4"
3-1/2"
4"
4.3螺丝公、英制的选用:若无特别要求,一般选用公制螺丝。
4.4螺丝大小的选用:
4.4.1固定模板:一般用M8(W5/16″)、M10(W3/8″),特殊情况可选用M6(W1/4″)、M12(W1/2″);
4.4.2固定冲头:一般用M8(W5/16″)或M6(W1/4″),特殊情况下可选用M4(W5/32″)。
4.5螺丝的间距:
4.5.1模板中:
A:M6螺丝间距:一般取80-;
B:M8螺丝间距:一般取-;
C:M10螺丝间距:一般取-;
D:M12螺丝间距:一般取-。
4.5.2镶件、冲头上:螺丝间距根据实际情况定。
4.6螺丝长度的选用::锁进模板的牙长度一般为螺丝直径D的2-3倍,但定购长度必须为上表所列长度规格。
4.7螺丝订购代号:“D-L数量”,如“M8*”或“W5/16″*1-1/”。
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