1、3 r = E a * Q m a r 3 .- - t a DC 621.882.082.4 DEUTSCHE NORMEN Aprll1977 DIN IS0 Metric Trapezoidal Screw Thread in9 I IV0 Nominal Dimensions Part 4 Metrisches ISO-Trapezgewinde; Nennmasse This Standard conforms essentially with the International Standard IS0 2904-1 977 issued by the International
2、Organization for Standardization (ISO). IS0 metric trapezoidal screw threads; Nominal sizes Dimensions in mm Nominal -. I 735 Dl =d -2H1 =d - P Hi = 0.5 P H4 = Hl + ac = 0.5 P + a, h3 = H1 +ac = 0,5P +a, 04 = d + Za, d3 =d-Zh3 a, = Clearance R1 = max. 0,5ac R2 = max. a, z = 0,25 P = Hi12 dZ = D2= d
3、- 22 = d - 0,5 P Designation of a single-start metric trapezoidal screw thread of d = 40 mm nominal diameter with P = 7 mm pitch 4): Table 1. Dimensions for the thread profiles Tr40X 7 1 ) It is recommended to provide a radiusing RI or a chamfer on the outside diameter of the bolt thread. 2) The max
4、imum allowable edge radiusing on the outside diameter of the nut thread resulting from wear of the new sharpedged tool at this point shall not exceed the dimension a=. 3) In the case of rolled bolt threads, the profile at the minor diameter may be modified inorder to obtain the increased radiusing a
5、t the root of the thread which this process requires. The minor diameter of the bolt thread may in this case be made smaller than the nominal diameter d3 by 0.15 P. bolt thread and tolerance field 7 H for the nut threa. If a different tolerance field is required, this is to be stated; in such a case
6、, e.g. for a bolt thread with tolerance field 8e. the designation reads: Tr4X7-8e For designation of a multiple-start trapezoidal screw thread see DIN 103 Part 2. 4) For threads without tolerance indication the medium tolerance quality applies, .e. tolerance field 7 e for the Further standards DIN 1
7、03 Part 1 DIN 103 Part 2 DIN 103 Part 3 IS0 metric trapezoidal screw thread; profiles IS0 metric trapezoidal screw thread; general plan IS0 metric trapezoidal screw thread; allowances and tolerances for trapezoidal screw threads of general purpose Continued on pages 2 to 4 ,inverkauf der Normen durc
8、h Beuth Verlag GmbH, Berlin 30 und Kln 1 DIN 103 Teil 4 engf. Preisgr. 4 Vertru-Nr. 0104 09.79 Page 2 DIN 103 Part 4 Minor diameter Table 2. Nominal dimensions of thread 6,200 7,200 6,500 8,200 7,500 , 500 7,500 9,500 , 500 1 1,500 10,500 1 3,500 11,500 15,500 13,500 17,500 15,500 18,500 16,500 13,0
9、00 20,500 18,500 15,000 22,500 20,500 17,000 24,500 22,500 19,000 26.500 23,000 19,000 28,500 25,000 21,000 30,500 27,000 23,000 32.500 29,000 25,000 34,500 30,000 27,000 36,500 32,000 29,000 38,500 34,000 31,000 40,500 36,000 31,000 42,500 37,000 33,000 44,500 39,000 35,000 - D1 6,500 7,500 7,000 8
10、,500 8,000 9,000 8,000 10.000 9,000 12,000 1 1.000 14,000 12,000 16,000 14.000 i 8,000 16,000 19,000 17,000 14,000 21,000 19,000 16,000 23,000 21,000 18,000 25,000 23,000 20,000 27,000 24,000 20,000 29,000 26,000 22,000 31,000 28,000 24,000 33,000 30,000 26,000 35,000 31,000 28,000 37,000 33,000 30,
11、000 39,000 35,000 32,000 4 1,000 37,000 32,000 43,000 34,000 45,000 40,000 36,000 38,000 DIN 103 Part 4 Page 3 P 1 d2=D2 I 04 Table 2. (continued) d3 D1 Nominal diameter of thread d Series 1 I Series 2 I Series 3 52 1 diameter Outside I Pitch Pitch I diameter 50 8 46,000 51,000 41,000 42,000 12 44,0
12、00 51,000 37,000 38,000 3 50,500 52,500 48,500 49,000 8 48,000 53,000 43,000 44,000 12 46,000 53,000 39,000 40,000 3 53,500 55,500 51,500 52,000 55 9 50.500 56.000 45,000 46.000 Minor diameter 60 70 9 55,500 61,000 50,000 51,000 14 53,000 62,000 44,000 46,000 4 63,000 65,500 60,500 61,000 65 10 60,0
13、00 66,000 54,000 55,000 16 57,000 67,000 47,000 49,000 4 68,000 70,500 65,500 66,000 10 65,000 71,000 59,000 60,000 75 _ I 14 1 48:OOO I 57:OOO I 39,000 I 41,000 3 1 58.500 I 60.500 I 56,500 I 57,000 16 62,000 72,000 52,000 54,000 4 73,000 75.500 70,500 7 1,000 10 70.000 76,000 64,000 65,000 10 16 4
14、 12 75;OOO 81,000 69,000 70,000 72,000 82,000 62,000 64.000 83,000 85,500 80,500 81,000 79,000 86,000 72,000 73,000 I 16 I 67,000 I 77,000 I 57,000 I 59,000 4 I 78.000 I 80.500 I 75,500 I 76.000 90 1 O0 18 76,000 87,000 65,000 67,000 4 88.000 90.500 85,500 86,000 12 84,000 91,000 77,000 78,000 18 81
15、,000 92,000 70,000 72,000 4 93,000 95,500 90,500 91,000 95 12 89,000 96,000 82,000 83,000 18 86,000 97,000 75,000 77,000 4 98,000 100,500 95,500 96,000 12 94.000 1 01.000 87.000 88.000 99,000 95,000 4 108,000 12 104,000 105 110 I 20 I 90;000 I 102;ooo I 78,000 80,000 I 4 1 103,000 1 105,500 1 100,50
16、0 I 101,000 106,000 92,000 93,000 107,000 83,000 85,000 1 10,500 105,5OO 106,000 1 1 1,000 97,000 98,000 20 6 14 22 6 14 22 6 14 22 6 14 22 6 14 115 120 125 130 135 100,000 1 12,000 88,000 90,000 1 12,000 1 16,000 108,000 109,000 108,000 1 17,000 99.000 1 01,000 104.000 1 17,000 91,000 93,000 1 17,0
17、00 121,000 1 13,000 1 14,000 1 13,000 122,000 104,000 106,000 109.000 122,000 96,000 98,000 122,000 126,000 1 18,000 1 19,000 1 18,000 127,000 109,000 11 1.000 114,000 127,000 1 01,000 103,000 127,000 131,000 123,000 124.000 123,000 132,000 1 14,000 1 16,000 1 19.000 132,000 106,000 108,000 132,000
18、136,000 128,000 129,000 128.000 137.000 1 19.000 121.000 14 24 6 14 24 24 I 123;000 I 137;OOO I 1091000 I 11 1;ooo 6 1 137,000 1 141,000 1 133,000 1 134,000 133,000 142,000 124,000 126,000 1 14,000 1 16,000 128.000 142.000 142,000 146,000 138,000 139,000 138,000 147,000 129,000 131,000 133,000 147,0
19、00 11 9,000 121,000 Page 4 DIN 103 Part 4 Table 2. (continued) Outside d Pitch diameter diameter Nominal diameter of thread Pitch Series 1 Series 2 Series 3 P dz = D2 04 3 48,500 50,500 50 8 46,000 51,000 12 44,000 51,000 3 50,500 52,500 52 8 48,000 53,000 12 46,000 53,000 3 53,500 55,500 55 9 50,50
20、0 56,000 14 48,000 57,000 3 58,500 60,500 60 9 55,500 61,000 14 53,000 62,000 4 63,000 65,500 65 10 60,000 66,000 16 57,000 67,000 4 68,000 70,500 70 10 65,000 71,000 16 62,000 72,000 4 73,000 75,500 75 10 70,000 76,000 16 67,000 77,000 4 78,000 80,500 80 10 75,000 81,000 16 72,000 82,000 4 83,000 8
21、5,500 85 12 79,000 86,000 18 76,000 87,000 4 88,000 90,500 90 12 84,000 91.000 18 81,000 92,000 4 93,000 95,500 95 12 89,000 96,000 18 86,000 97,000 4 98,000 100,500 1 O0 12 94,000 1 01,000 20 90,000 102,000 4 103,000 105,500 105 12 99.000 106.000 20 95,000 107,000 4 108,000 1 10,500 110 12 104,000
22、1 1 1,000 20 100,000 1 12,000 6 1 12,000 1 16,000 115 14 108,000 1 17,000 22 104,000 1 17,000 6 1 17,000 121,000 120 14 1 13,000 122.000 22 109,000 122,000 6 122,000 126,000 125 14 1 18,000 127,000 22 1 14,000 127,000 6 127,000 131,000 130 14 123,000 132,000 22 1 19.000 132,000 6 132,000 136.000 135
23、 14 128,000 137,000 24 123,000 137,000 6 137,000 141,000 140 14 133,000 142,000 24 128,000 142,000 6 142,000 146,000 145 14 138,000 147,000 24 133,000 147,000 ppp_p -_ Minor diameter d3 D1 46,500 47.000 41,000 42,000 37,000 38,000 48,500 49,000 43,000 44,000 39,000 40,000 51,500 52,000 45,000 46,000
24、 39,000 41,000 56,500 57,000 50,000 51,000 44,000 46,000 60,500 61,000 54,000 55,000 47,000 49,000 65,500 66,000 59,000 60,000 52,000 54.000 70,500 7 1,000 64,000 65,000 57,000 59,000 75,500 76,000 69,000 70,000 62,000 64,000 80,500 81,000 72,000 73,000 65,000 67,000 85,500 86,000 77.000 78,000 70,0
25、00 72,000 90,500 91,000 82,000 83,000 75,000 77,000 95,500 96,000 87,000 88,000 78.000 80,000 1 00,500 101,000 92,000 93,000 83,000 85,000 105,500 106,000 97.000 98,000 88,OOo 90,000 108,000 109,000 99,000 101,000 91,000 93,000 1 13,000 1 14,000 104,000 106.000 96,000 98,000 118,000 1 19,000 109,000 11 1,000 101,000 103,000 123,000 124,000 114,000 1 16,000 106.000 108,000 128,000 129,000 1 19,000 121,000 109,000 111,000 133,000 134,000 124,000 i 26,000 114,000 1 16,000 138,000 139,000 129,000 131,000 1 19,000 121,000
