锯齿形螺纹压型和基本尺寸.doc

? H＝1.587 8P ac＝0.117 77P W＝0.263 84P H1＝0.75P e＝W-a h3＝H1＋ac＝0.867 77P D1＝d-2H1＝d-1.5P d3＝d-2h3＝d-1.735 54P d2＝D2＝d-0.75P R＝0.124 27P 锯齿形螺纹的牙型和基本尺寸(GB/T13576-1992)P 锯齿形螺纹的牙型和基本尺寸(GB/T13576-1992) ac a e h3 R 2 0.236 0.1414 0.386 1.736 0.249 3 0.353 0.1732 0.618 2.063 0.373 4 0.471 0.2000 0.855 3.471 0.497 5 0.589 0.2236 1.096 4.339 0.621 6 0.707 0.2449 1.338 5.207 0.746 7 0.824 0.2646 1.582 6.074 0.870 8 0.912 0.2828 1.828 6.942 0.994 9 1.060 0.3000 2.075 7.810 1.118 10 1.178 0.3162 2.322 8.678 1.243 12 1.413 0.3461 2.820 10.413 1.491 14 1.649 0.3742 3.320 12.149 1.740 16 1.884 0.4000 3.821 13.884 1.988 18 2.120 0.4243 4.325 15.620 2.237 20 2.355 0.4472 4.830 17.355 2.485 22 2.501 0.4690 5.335 19.091 2.734 24 2.826 0.4899 5.812 20.826 2.982 28 3.298 0.5292 6.858 24.298 3.480 32 3.769 0.5657 7.877 27.769 3.977 36 4.240 0.6000 8.898 31.240 4.474 40 4.711 0.6325 9.921 34.711 4.971 公称直径d 螺距P 中径 d2＝D2 小 径 第一系列 第二系列 d3 D1 10 ? 2* 8.50 6.529 7.0 12 ? 2 10.50 8.529 9.0 3* 9.75 6.793 7.5 ? 14 2 12.50 10.529 11.0 3* 11.75 8.793 9.5 16 ? 2 14.50 12.529 13.0 4* 13.00 9.058 10.0 ? 18 2 16.50 14.529 15.0 4* 15.00 11.058 12.0 20 ? 2 18.50 16.529 17.0 4* 17.00 13.058 14.0 ? 22 3 19.75 16.793 17.5 5* 18.25 13.332 14.5 8 16.00 8.116 10.0 24 ? 3 21.75 18.793 19.5 5* 20.25 15.332 16.5 8 18.00 10.116 12.0 ? 26 3 23.75 20.793 21.5 5* 22.25 17.332 18.5 8 20.00 12.116 14.0 28 ? 3 25.75 22.793 23.5 5* 24.25 19.332 20.5 8 22.00 14.116 16.0 ? 30 3 27.75 24.793 25.5 6* 25.50 19.587 21.0 10 22.50 12.045 15.0 32 ? 3 29.75 26.793 27.5 6* 27.50 21.587 23.0 10 24.50 14.645 17.0 ? 34 3 31.75 28.793 29.5 6* 29.50 23.587 25.0 10 26.50 16.645 19.0 36 ? 3 33.75 30.793 31.5 6* 31.50 25.587 27.0 10 28.50 18.645 21.0 ? 38 3 35.75 32.793 33.5 7* 32.75 25.851 27.5 10 30.50 20.645 23.0 40 ? 3 37.75 34.793 35.5 7* 34.75 27.851 29.5 10 32.50 22.645 25.0 ? 42 3 39.75 36.793 37.5 7* 36.75 29.851 31.5 10 34.50 24.645 27.0 44 ? 3 41.75 38.793 39.5 7* 38.75 31.851 33.5 12 35.00 23.174 26.0 ? 46 3 43.75 40.793 41.5