|
2级和3级标准系列统一螺纹的容隙和公差 in |
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|
公称 直径 |
牙数 n |
系列 代号 |
2A外螺纹容隙 es |
外螺纹 大径 公差 |
中径公差 |
内螺纹小径公差 |
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|
2A |
2B |
3A |
3B |
2B |
3B |
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|
41/4 |
4 |
UN |
0.0034 |
0.0238 |
0.011475 |
0.0149 |
0.0086 |
0.0112 |
0.0375 |
0.0300 |
|
41/4 |
6 |
UN |
0.0030 |
0.0182 |
0.010065 |
0.0131 |
0.0075 |
0.0098 |
0.0306 |
0.0200 |
|
41/4 |
8 |
UN |
0.0028 |
0.0150 |
0.009272 |
0.0121 |
0.0070 |
0.0090 |
0.0250 |
0.0150 |
|
41/4 |
12 |
UN |
0.0020 |
0.0114 |
0.006591 |
0.0086 |
0.0049 |
0.0064 |
0.0181 |
0.0100 |
|
41/4 |
16 |
UN |
0.0018 |
0.0094 |
0.005917 |
0.0077 |
0.0044 |
0.0058 |
0.0141 |
0.0086 |
|
43/8 |
6 |
UN |
0.0030 |
0.0182 |
0.010133 |
0.0132 |
0.0076 |
0.0099 |
0.0306 |
0.0200 |
|
43/8 |
8 |
UN |
0.0028 |
0.0150 |
0.009340 |
0.0121 |
0.0070 |
0.0081 |
0.0250 |
0.0150 |
|
43/8 |
12 |
UN |
0.0020 |
0.0114 |
0.006614 |
0.0086 |
0.0050 |
0.0064 |
0.0181 |
0.0100 |
|
43/8 |
16 |
UN |
0.0018 |
0.0094 |
0.005940 |
0.0077 |
0.0045 |
0.0058 |
0.0141 |
0.0086 |
|
41/2 |
4 |
UN |
0.0030 |
0.0238 |
0.011611 |
0.0151 |
0.0087 |
0.0113 |
0.0375 |
0.0300 |
|
41/2 |
6 |
UN |
0.0028 |
0.0182 |
0.010201 |
0.0133 |
0.0077 |
0.0099 |
0.0306 |
0.0200 |
|
41/2 |
8 |
UN |
0.0020 |
0.0150 |
0.009408 |
0.0122 |
0.0071 |
0.0092 |
0.0250 |
0.0150 |
|
41/2 |
12 |
UN |
0.0018 |
0.0114 |
0.006637 |
0.0086 |
0.0050 |
0.0065 |
0.0181 |
0.0100 |
|
41/2 |
16 |
UN |
0.0035 |
0.0094 |
0.005963 |
0.0078 |
0.0045 |
0.0058 |
0.0141 |
0.0086 |
|
45/8 |
6 |
UN |
0.0031 |
0.0182 |
0.010268 |
0.0133 |
0.0077 |
0.0100 |
0.0306 |
0.0200 |
|
45/8 |
8 |
UN |
0.0028 |
0.0150 |
0.009475 |
0.0123 |
0.0071 |
0.0092 |
0.0250 |
0.0150 |
|
45/8 |
12 |
UN |
0.0020 |
0.0114 |
0.00660 |
0.0087 |
0.0050 |
0.0065 |
0.0181 |
0.0100 |
|
45/8 |
16 |
UN |
0.0018 |
0.0094 |
0.005986 |
0.0078 |
0.0045 |
0.0058 |
0.0141 |
0.0086 |
|
43/4 |
4 |
UN |
0.0031 |
0.0238 |
0.011743 |
0.0153 |
0.0088 |
0.0114 |
0.0375 |
0.0300 |
|
43/4 |
6 |
UN |
0.0028 |
0.0182 |
0.010333 |
0.0134 |
0.0077 |
0.0101 |
0.0306 |
0.0200 |
|
43/4 |
8 |
UN |
0.0020 |
0.0150 |
0.009540 |
0.0124 |
0.0072 |
0.0093 |
0.0250 |
0.0150 |
|
43/4 |
12 |
UN |
0.0018 |
0.0114 |
0.006682 |
0.0087 |
0.0050 |
0.0065 |
0.0181 |
0.0100 |
|
43/4 |
16 |
UN |
0.0035 |
0.0094 |
0.006008 |
0.0078 |
0.0045 |
0.0059 |
0.0141 |
0.0086 |
|
47/8 |
6 |
UN |
0.0031 |
0.0182 |
0.010398 |
0.0135 |
0.0078 |
0.0101 |
0.0306 |
0.0200 |
|
47/8 |
8 |
UN |
0.0029 |
0.0150 |
0.009605 |
0.0125 |
0.0072 |
0.0094 |
0.0250 |
0.0150 |
|
47/8 |
12 |
UN |
0.0020 |
0.0114 |
0.006704 |
0.0087 |
0.0050 |
0.0065 |
0.0181 |
0.0100 |
|
47/8 |
16 |
UN |
0.0018 |
0.0094 |
0.006030 |
0.0078 |
0.0045 |
0.0059 |
0.0141 |
0.0086 |
|
5 |
4 |
UN |
0.0036 |
0.0238 |
0.011872 |
0.0154 |
0.0089 |
0.0116 |
0.0375 |
0.0300 |
|
5 |
6 |
UN |
0.0031 |
0.0182 |
0.010462 |
0.0136 |
0.0078 |
0.0102 |
0.0306 |
0.0200 |
|
5 |
8 |
UN |
0.0029 |
0.0150 |
0.009669 |
0.0126 |
0.0073 |
0.0094 |
0.0025 |
0.0150 |
|
5 |
12 |
UN |
0.0020 |
0.0114 |
0.006726 |
0.0087 |
0.0050 |
0.0066 |
0.0181 |
0.0100 |
|
5 |
16 |
UN |
0.0018 |
0.0094 |
0.006052 |
0.0079 |
0.0045 |
0.0059 |
0.0141 |
0.0086 |
|
51/8 |
6 |
UN |
0.0032 |
0.0182 |
0.010525 |
0.0137 |
0.0079 |
0.0103 |
0.0306 |
0.0200 |
|
51/8 |
8 |
UN |
0.0029 |
0.0150 |
0.009732 |
0.0127 |
0.0073 |
0.0095 |
0.0250 |
0.0150 |
|
51/8 |
12 |
UN |
0.0020 |
0.0114 |
0.006747 |
0.0088 |
0.0051 |
0.0066 |
0.0181 |
0.0100 |
|
51/8 |
16 |
UN |
0.0018 |
0.0094 |
0.006073 |
0.0079 |
0.0046 |
0.0059 |
0.0141 |
0.0086 |
|
51/4 |
4 |
UN |
0.0036 |
0.0238 |
0.011997 |
0.0156 |
0.0090 |
0.0117 |
0.0375 |
0.0300 |
|
51/4 |
6 |
UN |
0.0032 |
0.0182 |
0.010587 |
0.0138 |
0.0079 |
0.0103 |
0.0306 |
0.0200 |
|
51/4 |
8 |
UN |
0.0029 |
0.0150 |
0.009794 |
0.0127 |
0.0073 |
0.0095 |
0.0250 |
0.0150 |
|
51/4 |
12 |
UN |
0.0020 |
0.0114 |
0.006768 |
0.0088 |
0.0051 |
0.0066 |
0.0181 |
0.0100 |
|
51/4 |
16 |
UN |
0.0018 |
0.0094 |
0.006094 |
0.0079 |
0.0046 |
0.0059 |
0.0141 |
0.0086 |
|
53/8 |
6 |
UN |
0.0032 |
0.0182 |
0.010649 |
0.0138 |
0.0080 |
0.0104 |
0.0306 |
0.0200 |
|
53/8 |
8 |
UN |
0.0030 |
0.0150 |
0.009856 |
0.0128 |
0.0074 |
0.0096 |
0.0250 |
0.0150 |
|
53/8 |
12 |
UN |
0.0020 |
0.0114 |
0.006789 |
0.0088 |
0.0051 |
0.0066 |
0.0181 |
0.0100 |
|
53/8 |
16 |
UN |
0.0018 |
0.0094 |
0.006115 |
0.0079 |
0.0046 |
0.0060 |
0.0141 |
0.0086 |
|
51/2 |
4 |
UN |
0.0036 |
0.0238 |
0.012119 |
0.0158 |
0.0091 |
0.0118 |
0.0375 |
0.0300 |
|
51/2 |
6 |
UN |
0.0032 |
0.0182 |
0.010709 |
0.0139 |
0.0080 |
0.0104 |
0.0306 |
0.0200 |
|
51/2 |
8 |
UN |
0.0030 |
0.0150 |
0.009916 |
0.0129 |
0.0074 |
0.0097 |
0.0250 |
0.0150 |
|
51/2 |
12 |
UN |
0.0020 |
0.0114 |
0.006809 |
0.0089 |
0.0051 |
0.0066 |
0.0181 |
0.0100 |
|
51/2 |
16 |
UN |
0.0018 |
0.0094 |
0.006135 |
0.0080 |
0.0046 |
0.0060 |
0.0141 |
0.0086 |
|
55/8 |
6 |
UN |
0.0032 |
0.0182 |
0.010769 |
0.0140 |
0.0081 |
0.0105 |
0.0306 |
0.0200 |
|
55/8 |
8 |
UN |
0.0030 |
0.0150 |
0.009976 |
0.0130 |
0.0075 |
0.0097 |
0.0250 |
0.0150 |
|
55/8 |
12 |
UN |
0.0020 |
0.0114 |
0.006829 |
0.0089 |
0.0051 |
0.0067 |
0.0181 |
0.0100 |
|
55/8 |
16 |
UN |
0.0018 |
0.0094 |
0.006155 |
0.0080 |
0.0046 |
0.0060 |
0.0141 |
0.0086 |
|
53/4 |
4 |
UN |
0.0037 |
0.0238 |
0.012237 |
0.0159 |
0.0092 |
0.0119 |
0.0375 |
0.0300 |
|
53/4 |
6 |
UN |
0.0032 |
0.0182 |
0.010827 |
0.0141 |
0.0081 |
0.0106 |
0.0306 |
0.0200 |
|
53/4 |
8 |
UN |
0.0030 |
0.0150 |
0.010034 |
0.0130 |
0.0075 |
0.0098 |
0.0250 |
0.0150 |
|
53/4 |
12 |
UN |
0.0021 |
0.0114 |
0.006848 |
0.0089 |
0.0051 |
0.0067 |
0.0181 |
0.0100 |
|
53/4 |
16 |
UN |
0.0019 |
0.0094 |
0.006174 |
0.0080 |
0.0046 |
0.0060 |
0.0141 |
0.0086 |
|
57/8 |
6 |
UN |
0.0033 |
0.0182 |
0.010886 |
0.0142 |
0.0082 |
0.0106 |
0.0306 |
0.0200 |
|
57/8 |
8 |
UN |
0.0030 |
0.0150 |
0.010093 |
0.0131 |
0.0076 |
0.0098 |
0.0250 |
0.0150 |
|
57/8 |
12 |
UN |
0.0021 |
0.0114 |
0.006868 |
0.0089 |
0.0052 |
0.0067 |
0.0181 |
0.0100 |
|
57/8 |
16 |
UN |
0.0019 |
0.0094 |
0.006194 |
0.0081 |
0.0046 |
0.0060 |
0.0141 |
0.0086 |
|
6 |
4 |
UN |
0.0037 |
0.0238 |
0.012353 |
0.0161 |
0.0093 |
0.0120 |
0.0375 |
0.0300 |
|
6 |
6 |
UN |
0.0033 |
0.0182 |
0.010943 |
0.0142 |
0.0082 |
0.0107 |
0.0306 |
0.0200 |
|
6 |
8 |
UN |
0.0030 |
0.0150 |
0.010150 |
0.0132 |
0.0076 |
0.0099 |
0.0250 |
0.0150 |
|
6 |
12 |
UN |
0.0021 |
0.0114 |
0.006887 |
0.0090 |
0.0052 |
0.0067 |
0.0181 |
0.0100 |
|
6 |
16 |
UN |
0.0019 |
0.0094 |
0.006213 |
0.0081 |
0.0047 |
0.0061 |
0.0141 |
0.0086 |
|
注：1.内螺纹大径最大可延伸至H/24削平高度处； 2.外螺纹小径最小可延伸至H/8削平高度处。 |
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