蜗杆减速机符合部颁标准JB2318—79，圆弧圆柱蜗杆传动，也称为曲纹面圆柱蜗杆传动，齿形为凸凹面共轭的型式，其中蜗杆为凹面，蜗轮为凸面，蜗杆齿廓为圆弧形，代号为ZC蜗杆。本产品具有承载能力大，传动，输出扭矩大，工作平稳，寿命长，体积小等特点，应用于冶金、矿山、起重、化工、建筑等行业。
WHT蜗杆减速机工作环境为—40℃～+40℃。输入轴转数不大于1500转/分，高速轴可正反运转。本系列减速器输入功率范围在0.4～163KW之间；输出扭矩在11～2600kgf?m之间，输入轴转数一般不大于1500转/分；高速轴可正反两向运转；工作环境温度为-40℃～45℃；当工作环境温度低于0℃时，启动前润滑油必须加温到0℃以上。WHT型的中心距有四种即：42、65、80、100，速比有：8、10、12.5、16、20、25、35、40、50九种，装配形式有八种。
说明 为原草案标准，由于工厂原产品按草案标准生产，现在处于由草案向JB318标准过渡阶段，即：草案和JB2318产品均在生产，为此如需部颁标准产品，在合同上注明JB2318。示例：JB2318WHTOB-9-V，否则，仍按原草案供货。
减速器的传动比及输入功率表
传 | 公 | 中心距→ | 80 | 100 | 120 | 125 | 150 | 160 | 180 | 200 | 210 | 250 | 280 | 300 | 320 | 360 | 400 | 420 | 450 | 500 |
1 | 8 | 1500 | 2.5 | 4.5 | 7.23 | 10.1 | 13.4 | 19.9 | 22.7 | 29.8 | 31.5 | 46.1 | 54.4 | 68.9 | 70.4 | 87.1 | 110 | 161 | ＿ | ＿ |
1000 | 2.1 | 3.9 | 5.28 | 8.0 | 9.77 | 16.1 | 17.7 | 24.7 | 27.9 | 41.5 | 50.5 | 57.4 | 64.4 | 80.5 | 103 | 117 | 128 | 163 | ||
750 | 1.9 | 3.5 | 4.22 | 6.6 | 7.76 | 13.4 | 14.4 | 20.8 | 23 | 35.6 | 44.3 | 46.2 | 57.9 | 73.8 | 94.6 | 97.7 | 119 | 154 | ||
500 | 1.5 | 2.9 | 3.06 | 5.0 | 5.56 | 10.3 | 10.03 | 16.1 | 17.1 | 27.8 | 35.1 | 37.5 | 45.3 | 59.6 | 77.7 | 86.8 | 101 | 138 | ||
2 | 10 | 1500 | 2.0 | 3.8 | 5.98 | 9.4 | 11.5 | 16.4 | 20.3 | 26.7 | 27.7 | 39.7 | 48.2 | 53.8 | 59.8 | 76.2 | 97.3 | 138 | ＿ | ＿ |
1000 | 1.7 | 3.3 | 4.29 | 7.4 | 8.14 | 13.2 | 15.4 | 22.4 | 23.5 | 34.1 | 41.6 | 43.6 | 53.8 | 68.8 | 88.6 | 98.2 | 111 | 146 | ||
750 | 1.5 | 2.9 | 3.41 | 6.1 | 6.47 | 11.1 | 12.68 | 19.1 | 20.1 | 29.3 | 36.3 | 38.3 | 47.6 | 61.2 | 79.1 | 80.5 | 98.5 | 131 | ||
500 | 1.3 | 2.4 | 2.46 | 4.7 | 4.97 | 8.5 | 9.87 | 14.7 | 15.7 | 23.1 | 28.8 | 30.8 | 37.7 | 49.2 | 64.8 | 65.6 | 82.5 | 111 | ||
3 | 12.5 | 1500 | 1.6 | 2.8 | 4.84 | 8.1 | 8.81 | 14.9 | 16.4 | 20.0 | 22 | 32.9 | 43.1 | 47.1 | 61.6 | 73.2 | 89.3 | 124 | ＿ | ＿ |
1000 | 1.4 | 2.4 | 3.57 | 6.3 | 6.49 | 11.9 | 12.2 | 16.2 | 18.2 | 27.6 | 37.5 | 39.5 | 53.5 | 65.8 | 80.5 | 88.5 | 105 | 127 | ||
750 | 1.2 | 2.1 | 2.87 | 5.2 | 5. 36 | 10.0 | 11.1 | 13.5 | 15.5 | 23.4 | 32.7 | 35.7 | 46.5 | 58.8 | 71.8 | 75.5 | 95.3 | 116 | ||
500 | 1.0 | 1.7 | 2.06 | 3.9 | 4.26 | 7.6 | 8.6 | 10.4 | 11.4 | 18.2 | 25.6 | 28.6 | 36.1 | 47.0 | 57.4 | 58.4 | 78.2 | 96.8 | ||
4 | 16 | 1500 | 1.6 | 3.0 | 4.41 | 6.5 | 8.22 | 12.8 | 15.8 | 19.2 | 21.2 | 29.9 | 35.6 | 38.6 | 46.0 | 62.7 | 71.9 | 92.9 | ＿ | ＿ |
1000 | 1.3 | 2.7 | 3.27 | 5.1 | 6.25 | 10.3 | 12.2 | 15.8 | 17.8 | 26.3 | 32.1 | 35.1 | 41.0 | 52.0 | 66.5 | 75.8 | 83.4 | 106 | ||
750 | 1.2 | 2.3 | 2.63 | 4.3 | 5.03 | 8.6 | 10.3 | 13.4 | 14.4 | 22.7 | 27.9 | 30.9 | 36.5 | 47.1 | 60.8 | 64.8 | 76.7 | 99.6 | ||
500 | 1.0 | 1.9 | 1.92 | 3.3 | 3.62 | 6.6 | 8.25 | 10.3 | 11.1 | 17.7 | 22.3 | 25.3 | 28.7 | 37.4 | 49.0 | 50.1 | 63.3 | 84.2 | ||
5 | 20 | 1500 | 1.3 | 2.2 | 3.65 | 6.0 | 6.52 | 10.3 | 11.4 | 15.5 | 16.5 | 25.0 | 23.1 | 26.1 | 41.3 | 49.1 | 69.4 | 89.8 | ＿ | ＿ |
1000 | 1.1 | 1.9 | 2.70 | 4.8 | 5.08 | 8.1 | 8.53 | 12.5 | 13.5 | 21.3 | 29.1 | 32.1 | 37.2 | 44.2 | 61.9 | 64.4 | 64.9 | 81.2 | ||
750 | 1.0 | 1.6 | 2.14 | 3.9 | 4.24 | 6.7 | 7.06 | 10.5 | 11.5 | 18.1 | 25.3 | 28.3 | 31.3 | 38.6 | 55.5 | 57.5 | 58.0 | 73.2 | ||
500 | 0.8 | 1.3 | 1.59 | 3.0 | 3.5 | 5.2 | 5.79 | 8.1 | 9.1 | 14.1 | 19.9 | 22.9 | 24.5 | 30.4 | 44.2 | 47.5 | 46.2 | 59.7 | ||
6 | 25 | 1500 | 1.0 | 1.9 | 3.16 | 4.6 | 5.56 | 8.4 | 12.2 | 14.3 | 15.3 | 20.8 | 24.7 | 27.7 | 34.8 | 43.4 | 50.9 | 80.1 | ＿ | ＿ |
1000 | 0.8 | 1.7 | 2.37 | 3.6 | 4.11 | 6.5 | 9.5 | 11.5 | 12.5 | 16.8 | 20.4 | 23.4 | 29.5 | 38.3 | 45.6 | 55.9 | 631 | 71.4 | ||
750 | 0.7 | 1.4 | 1.88 | 2.9 | 3.26 | 5.4 | 5.9 | 9.6 | 10.6 | 14.1 | 17.2 | 19.2 | 25.1 | 32.8 | 39.9 | 43.4 | 56.1 | 63.6 | ||
500 | 0.6 | 1.2 | 1.37 | 2.2 | 2.34 | 4.2 | 4.9 | 7.4 | 8.4 | 10.9 | 13.5 | 16.5 | 19.5 | 25.8 | 31.4 | 33.4 | 44.7 | 50.5 | ||
7 | 31.5 | 1500 | 1.2 | 2.1 | 2.54 | 4.4 | 4.86 | 8.6 | 10.6 | 12.8 | 13.8 | 19.8 | 23.2 | 26.2 | 30.2 | 37.1 | 46.9 | 64.1 | ＿ | ＿ |
1000 | 1.0 | 1.8 | 1.91 | 3.5 | 3.91 | 6.9 | 8.3 | 10.5 | 11.5 | 17.4 | 21.6 | 24.6 | 26.6 | 33.9 | 43.3 | 45.5 | 54.5 | 68.5 | ||
750 | 0.9 | 1.6 | 1.55 | 2.9 | 3.31 | 5.8 | 7.21 | 8.9 | 9.8 | 15.1 | 18.3 | 21.3 | 23.9 | 30.7 | 39.5 | 41.5 | 50.0 | 64.5 | ||
500 | 0.7 | 1.4 | 1.13 | 2.3 | 2.86 | 4.5 | 5.05 | 7.0 | 7.9 | 11.8 | 14.6 | 17.6 | 18.9 | 24.5 | 32.0 | 34.8 | 41.1 | 54.6 | ||
8 | 40 | 1500 | 0.9 | 1.5 | 2.16 | 4.1 | 4.9 | 6.9 | 7.45 | 10.5 | 11.5 | 16.8 | 22.0 | 24 | 27.3 | 32.4 | 45.4 | 55.1 | ＿ | ＿ |
1000 | 0.8 | 1.3 | 1.62 | 3.2 | 3.9 | 5.5 | 5.83 | 8.4 | 9.4 | 14.2 | 19.4 | 21 | 24.0 | 28.9 | 40.8 | 42.8 | 42.2 | 52.8 | ||
750 | 0.7 | 1.2 | 1.32 | 2.7 | 3.1 | 4.6 | 5.94 | 7.1 | 8.1 | 12.0 | 16.7 | 18.7 | 20.7 | 25.4 | 26.2 | 30.6 | 37.8 | 47.8 | ||
500 | 0.6 | 1.0 | 0.98 | 2.1 | 2.6 | 3.6 | 4.79 | 5.5 | 6.5 | 9.5 | 13.2 | 14.5 | 16.3 | 20.3 | 24.0 | 29.9 | 30.3 | 39.0 | ||
9 | 50 | 1500 | 0.7 | 1.3 | 1.86 | 3.1 | 3.21 | 5.7 | 7.21 | 9.8 | 10.8 | 14.0 | 16.5 | 18.5 | 23.2 | 28.8 | 33.7 | 45 | ＿ | ＿ |
1000 | 0.6 | 1.2 | 1.37 | 2.5 | 2.7 | 4.5 | 5.8 | 7.8 | 8.9 | 11.4 | 13.8 | 15.8 | 19.5 | 25.3 | 30.0 | 32 | 41.7 | 47.0 | ||
750 | 0.5 | 1.0 | 1.12 | 2.0 | 2.4 | 3.7 | 4.1 | 6.7 | 7.7 | 9.5 | 11.7 | 14.5 | 16.8 | 21.8 | 26.3 | 27.2 | 37.4 | 41.8 | ||
500 | 0.4 | 0.8 | 0.85 | 1.6 | 1.82 | 2.9 | 3.5 | 5.2 | 6.2 | 7.5 | 9.1 | 10.9 | 13.1 | 17.2 | 21.2 | 22.3 | 29.8 | 33.3 |
QY3D硬齿面齿轮减速器箱体分为上下两部分，为钢板焊接箱体，钢板厚为20MM，此减速机负载大，强度要求高，批量使用较少，所以使用钢板焊接箱体，即节约了成本，又增加了强度及扭力，焊接后，还需进行回火处理。内部齿轮齿轴采用低碳合金钢，渗碳淬火磨齿加工处理，齿边角进行修缘处理，每级齿轮的综合传动效率达0。98，振动和噪声降低。适用于起重机各运行机构中，承载能力大，体积小，重量轻，多级数，拉开中心距，降低减速器整机高度，满足起重机各机构的要求。
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