TCVN2022:1977

Tiêu chuẩn Việt Nam TCVN 2022:1977 về Lò xo xoắn trụ nén và kéo loại I cấp 3 bằng thép mặt cắt tròn - Thông số cơ bản TIÊU CHUẨN NHÀ NƯỚC TCVN 2022 – 77 LÒ XO XOẮN TRỤ NÉN VÀ KÉO LOẠI I, CẤP 3 BẰNG THÉP MẶT CẮT TRÒN - THÔNG SỐ CƠ BẢN Cylindrical helical compression (tension) spring of I class and of 3 category made of round steel - Main parameters coils 1. Tiêu chuẩn này áp dụng cho lò xo xoắn trụ nén và kéo loại I, cấp 3 có lực khi biến dạng lớn nhất P 3 từ 140 đến 6000 N. 2. Thông số cơ bản của lò xo phải phù hợp với chỉ dẫn trong bảng. 3. Vật liệu: dây thép * có đường kính từ 3 đến 12 mm. 4. Phân loại lò xo – theo TVCN 2018 – 77. 5. Phương pháp xác định kích thước của lò xo – theo TCVN 2019 – 77. Số hiệu của lò xo Lực lò xo khi biến dạng lớn nhất P 3 , N Đường kính của dây d, mm Đường kính ngoài của lò xo D, mm Độ cứng của một vòng Z 1 , N/mm Biến dạng lớn nhất của một vòng f 3 , mm 1 140 3,0 40 16,00 8,750 2 150 38 18,88 7,945 3 160 36 22,54 7,098 4 170 34 27,22 6,245 5 180 32 33,18 5,425 6 190 3,0 30 41,15 4,617 7 3,5 45 20,98 9,056 8 9 200 3,0 3,5 28 42 51,84 26,30 3,858 7,604 10 11 212 3,0 3,5 26 40 66,57 30,85 3,185 6,872 12 13 224 3,0 3,5 25 38 76,07 36,51 2,945 6,135 14 15 236 3,0 3,5 24 36 87,46 43,71 2,698 5,399 16 17 18 250 3,0 3,5 4,0 22 34 52 118,30 52,89 23,15 2,113 4,727 10,800 19 20 21 265 3,0 3,5 4,0 21 32 50 138,90 64,82 26,30 1,908 4,088 10,080 22 23 24 280 3,0 3,5 4,0 20 30 48 164,60 80,64 30,05 1,701 3,473 9,318 25 26 27 300 3,0 3,5 4,0 19 28 45 198,10 102,00 37,14 1,514 2,941 8,078 28 29 30 31 315 3,0 3,5 4,0 4,5 18 26 42 60 240,00 131,70 46,65 24,01 1,312 2,392 6,752 13,120 32 33 34 35 335 3,0 3,5 4,0 4,5 17 25 40 55 294,60 151,20 54,87 31,84 1,137 2,216 6,105 10,520 36 37 38 39 355 3,0 3,5 4,0 4,5 16 24 38 52 368,70 173,90 65,15 38,26 0,963 2,041 5,449 9,278 40 41 42 43 44 375 3,0 3,5 4,0 4,5 5,0 15 22 36 50 65 468,80 237,00 78,12 43,54 28,94 0,800 1,582 4,800 8,613 12,960 45 46 47 48 400 3,5 4,0 4,5 5,0 21 34 48 63 280,00 94,81 49,77 32,03 1,428 4,219 8,037 12,490 49 50 51 52 425 3,5 4,0 4,5 5,0 20 32 45 60 334,10 116,60 61,73 37,56 1,272 3,644 6,885 11,320 53 54 55 56 57 450 3,5 4,0 4,5 5,0 5,5 19 30 42 55 75 402,60 145,70 77,76 50,00 27,26 1,118 3,088 5,788 9,000 16,510 58 59 60 61 62 475 3,5 4,0 4,5 5,0 5,5 18 28 40 52 70 492,20 185,20 91,65 60,20 34,10 0,965 2,565 5,183 7,890 13,930 63 64 65 66 67 500 3,5 4,0 4,5 5,0 5,5 17 26 38 50 65 609,90 240,40 109,30 68,59 43,44 0,820 2,080 4,575 7,290 11,510 68 69 70 71 530 4,0 4,5 5,0 5,5 25 36 48 63 276,40 131,20 78,60 48,14 1,917 4,040 6,743 11,010 72 73 74 75 76 560 4,0 4,5 5,0 5,5 6,0 24 34 45 60 80 320,00 159,70 97,66 56,53 32,01 1,750 3,506 5,734 9,906 17,490 77 78 79 80 81 600 4,0 4,5 5,0 5,5 6,0 22 32 42 55 75 439,00 197,30 123,40 75,44 39,45 1,367 3,041 4,862 7,953 15,210 82 83 84 85 86 630 4,0 4,5 5,0 5,5 6,0 21 30 40 52 70 521,00 246,90 145,80 91,03 49,39 1,209 2,552 4,321 6,921 12,760 87 88 89 90 91 670 4,0 4,5 5,0 5,5 6,0 20 28 38 50 65 625,00 316,40 173,90 103,80 63,10 1,072 2,118 3,852 6,455 10,620 92 93 94 95 710 4,5 5,0 5,5 6,0 26 36 48 63 412,60 209,80 119,20 70,00 1,721 3,384 5,956 10,140 96 97 98 99 750 4,5 5,0 5,5 6,0 25 34 45 60 476,00 256,30 148,50 82,30 1,576 2,926 5,050 9,113 100 101 102 103 104 800 4,5 5,0 5,5 6,0 7,0 24 32 42 55 90 553,00 317,50 188,20 110,06 41,96 1,447 2,520 4,362 7,273 19,060 105 106 107 108 109 850 4,5 5,0 5,5 6,0 7,0 22 30 40 52 85 764,50 400,00 222,80 133,00 50,63 1,112 2,125 3,815 6,391 16,790 110 111 112 113 900 5,0 5,5 6,0 7,0 28 38 50 80 513,70 266,60 152,40 61,70 1,752 3,376 5,906 14,590 114 115 116 117 950 5,0 5,5 6,0 7,0 26 36 48 75 674,80 322,60 174,90 76,36 1,408 2,945 5,432 12,440 118 119 120 121 122 1000 5,0 5,5 6,0 7,0 8,0 25 34 45 70 105 781,20 395,20 218,50 96,02 44,94 1,280 2,530 4,577 10,410 22,250 123 124 125 126 1060 5,5 6,0 7,0 8,0 32 42 65 100 491,80 277,80 123,30 52,60 2,155 3,816 8,597 20,150 127 128 129 130 1120 5,5 6,0 7,0 8,0 30 40 63 95 622,40 329,70 136,70 62,20 1,799 3,397 8,193 18,010 131 132 133 134 1180 5,5 6,0 7,0 8,0 28 38 60 90 803,30 396,20 161,40 74,29 1,469 2,978 7,211 15,880 135 136 137 138 1250 6,0 7,0 8,0 9,0 36 55 85 120 480,00 216,80 89,72 47,98 2,604 5,766 13,930 26,050 139 140 141 142 1320 6,0 7,0 8,0 9,0 34 52 80 110 590,40 263,40 109,70 63,72 2,236 5,011 12,030 20,720 143 144 145 146 1400 6,0 7,0 8,0 9,0 32 50 75 105 737,40 302,40 135,90 74,16 1,899 4,630 10,300 18,880 147 148 149 150 151 1500 6,0 7,0 8,0 9,0 10,0 30 48 70 100 130 937,50 347,90 171,80 87,09 57,87 1,600 4,312 8,731 17,320 25,920 152 153 154 155 1600 7,0 8,0 9,0 10,0 45 65 95 125 437,60 221,20 103,00 65,75 3,657 7,234 15,530 24,330 156 157 158 159 1700 7,0 8,0 9,0 10,0 42 63 90 120 560,00 245,60 123,50 75,13 3,036 6,922 13,770 22,630 160 161 162 163 1800 7,0 8,0 9,0 10,0 40 60 85 110 668,10 291,30 149,70 100,00 2,694 6,179 12,020 18,000 164 165 166 167 1900 7,0 8,0 9,0 10,0 38 55 80 105 805,90 394,50 183,20 116,60 2,358 4,816 10,370 16,300 168 169 170 171 172 2000 7,0 8,0 9,0 10,0 11,0 36 52 75 100 140 984,50 480,80 228,20 137,20 68,15 2,032 4,160 8,764 14,580 29,350 173 174 175 176 2120 8,0 9,0 10,0 11,0 50 70 95 130 552,90 288,70 162,80 86,88 3,834 7,343 13,020 24,400 177 178 179 180 181 2240 8,0 9,0 10,0 11,0 12,0 48 65 90 125 160 640,00 374,10 195,30 98,83 64,02 3,500 5,988 11,470 22,670 34,990 182 183 184 185 186 2360 8,0 9,0 10,0 11,0 12,0 45 63 85 120 150 808,60 416,70 237,00 113,00 78,90 2,919 5,664 9,958 20,880 29,910 187 188 189 190 191 2500 8,0 9,0 10,0 11,0 12,0 42 60 80 110 140 1042,00 494,60 291,50 150,90 98,88 2,399 5,055 8,576 16,570 25,290 192 193 194 195 196 2650 8,0 9,0 10,0 11,0 12,0 40 55 75 105 130 1250,00 674,10 364,20 176,30 126,30 2,120 3,931 7,276 15,030 20,980 197 198 199 200 2800 9,0 10,0 11,0 12,0 52 70 100 125 825,20 463,00 207,70 143,70 3,393 6,048 13,480 19,480 201 202 203 204 2800 9,0 10,0 11,0 12,0 50 65 95 120 951,90 601,10 246,70 164,60 3,152 4,991 12,160 18,230 205 206 207 208 3150 9,0 10,0 11,0 12,0 48 63 90 110 1109,00 671,70 297,20 220,10 2,841 4,690 10,600 14,310 209 210 211 212 3350 9,0 10,0 11,0 12,0 45 60 85 105 1406,00 800,00 360,90 257,80 2,383 4,188 9,282 12,990 213 214 215 3550 10,0 11,0 12,0 55 80 100 1097,00 446,20 304,30 3,236 7,956 11,670 216 217 218 3750 10,0 11,0 12,0 52 75 95 1350,00 558,50 362,70 2,778 6,714 10,340 219 220 221 4000 10,0 11,0 12,0 50 70 90 1562,00 712,90 437,00 2,561 5,611 9,153 222 223 4250 11,0 12,0 65 85 929,80 533,00 4,571 7,973 224 225 4500 11,0 12,0 63 80 1040,00 659,50 4,327 6,823 226 227 4750 11,0 12,0 60 75 1248,00 829,30 3,806 5,728 228 5000 11,0 55 1719,00 2,909 229 12,0 70 1063,00 4,705 230 5300 65 1390,00 3,813 231 5600 63 1563,00 3,583 232 6000 60 1875,00 3,200 * Tạm thời theo ГOCT 14963 - 69 của Liên Xô hay các tiêu chuẩn tương ứng của các nước khác cho đến khi có tiêu chuẩn Việt Nam tương ứng