PW型二次包络环面蜗杆减速机(GB/T16449-1996)其蜗杆齿面是以一个平面为母面,通过相对圆周运动,包络出蜗轮的齿面,称为平面二次包络环面蜗杆副.包括PWU、PWO、PWS型三种型式,适用于冶金、矿山、起重、运输、石油、化工、建筑等行业机械设备的减速传动。
工作条件:两轴交角为90℃;蜗杆转速不超过1500r/min;工作环境温度为0~40℃,当环境温度低于0℃或高于40℃时,启动前润滑油要相应加热或冷却;蜗杆轴可正、反向运转。
1.型号
(1)PWU型—蜗杆在蜗轮之下平面二次包络环面蜗杆减速器;
(2)PWO型—蜗杆在蜗轮之上平面二次包络环面蜗杆减速器;
(3)PWS型—蜗杆在蜗轮之侧平面二次包络环面蜗杆减速器。
PW型平面二次包络环面蜗杆减速器基本参数
1.中心距
PW型蜗杆减速器中心距a见表1。
PW型蜗杆减速器的传动效率η
公称传 动比iN | 输入转 速1/ rmin-1 | 中心距/mm | ||||||||||
80 | 100 | 125 | 140 | 160 | 180 | 200 | 225 | 250 | 280~710 | |||
传动效率η/% | ||||||||||||
10 | 1500 | 90 | 91 | 91 | 92 | 92 | 93 | 93 | 94 | 94 | 95 | |
1000 | 90 | 91 | 91 | 92 | 92 | 93 | 93 | 94 | 94 | 95 | ||
750 | 89 | 89.5 | 90 | 91 | 91 | 92 | 92 | 93 | 93 | 94 | ||
500 | 87 | 87.5 | 88 | 89 | 89 | 90 | 90 | 91 | 91 | 92 | ||
12.5 | 1500 | 89 | 90 | 90 | 91 | 91 | 92.5 | 92.5 | 93.5 | 93.5 | 94.5 | |
1000 | 89 | 90 | 90 | 91 | 91 | 92.5 | 92.5 | 93.5 | 93.5 | 94.5 | ||
750 | 88 | 88.5 | 89 | 90 | 90 | 91.5 | 91.5 | 92 | 92 | 93 | ||
500 | 86 | 86.5 | 87 | 88 | 88 | 89 | 89 | 90 | 90 | 91 | ||
14 | 1500 | 88.5 | 89.5 | 89.5 | 91 | 91 | 92 | 92 | 93 | 93 | 91 | |
1000 | 88.5 | 89.5 | 89.5 | 91 | 91 | 92 | 92 | 93 | 93 | 94 | ||
750 | 87 | 88 | 88.5 | 89.5 | 89.5 | 91 | 91 | 91.5 | 91.5 | 92.5 | ||
500 | 85 | 86 | 86.5 | 87.5 | 87.5 | 88 | 88 | 89 | 89 | 90 | ||
16 | 1500 | 88 | 89 | 89 | 90 | 90 | 91 | 91 | 92 | 92 | 93 | |
1000 | 88 | 89 | 89 | 90 | 90 | 91 | 91 | 92 | 92 | 93 | ||
750 | 86.5 | 87 | 88 | 89 | 89 | 90 | 90 | 91 | 91 | 92 | ||
500 | 84 | 84.5 | 85 | 86 | 86 | 87 | 87 | 88 | 88 | 89 | ||
18 | 1500 | 87.5 | 88 | 88 | 89.5 | 89.5 | 90 | 90 | 91 | 91 | 92 | |
1000 | 87 | 88 | 88 | 89 | 89 | 90 | 90 | 91 | 91 | 92 | ||
750 | 85.5 | 86 | 87 | 88 | 88 | 89.5 | 89.5 | 90 | 90 | 91 | ||
500 | 83 | 83.5 | 84 | 85 | 85 | 86 | 86 | 87 | 87 | 88 | ||
20 | 1500 | 86.5 | 87 | 87 | 88 | 88 | 89.5 | 89.5 | 90 | 90 | 91 | |
1000 | 86 | 86.5 | 87 | 88 | 88 | 89.5 | 89.5 | 90 | 90 | 91 | ||
750 | 84.5 | 85 | 86 | 87 | 87 | 89 | 89 | 89.5 | 89.5 | 90 | ||
500 | 82 | 82.5 | 83 | 84 | 84 | 85 | 85 | 86 | 86 | 87 | ||
22.4 | 1500 | 85.5 | 86 | 86 | 87 | 87 | 88.5 | 88.5 | 89 | 89 | 90 | |
1000 | 85 | 86 | 86 | 87 | 87 | 88.5 | 88.5 | 89 | 89 | 90 | ||
750 | 83.5 | 84.5 | 84.5 | 85.5 | 85.5 | 87.5 | 87.5 | 88 | 88 | 89 | ||
500 | 80.5 | 81 | 81 | 82 | 82 | 83 | 83 | 84 | 84 | 85.5 | ||
25 | 1500 | 85 | 86 | 86 | 87 | 87 | 88 | 88 | 88.5 | 88.5 | 89 | |
1000 | 84 | 85 | 86 | 87 | 87 | 88 | 88 | 88.5 | 88.5 | 89 | ||
750 | 83 | 83.5 | 84 | 85 | 85 | 86 | 86 | 87 | 87 | 88 | ||
500 | 79 | 79.5 | 80 | 81 | 81 | 81.5 | 81.5 | 83 | 84 | 85 | ||
28 | 1500 | 82.5 | 83 | 83.5 | 84 | 84 | 85 | 85 | 85 | 86 | 87.5 | |
1000 | 82 | 82.5 | 83 | 84 | 84 | 85 | 85 | 86 | 86 | 87.5 | ||
750 | 81 | 81.5 | 82 | 83 | 83 | 84 | 84 | 85 | 85 | 86 | ||
500 | 77 | 77.5 | 77.5 | 78 | 78 | 79 | 79 | 80 | 80 | 81.5 | ||
31.5 | 1500 | 80 | 80.5 | 81 | 82 | 82 | 83 | 83 | 84 | 84 | 85 | |
1000 | 80 | 80.5 | 81 | 82 | 82 | 83 | 83 | 84 | 84 | 85 | ||
750 | 77 | 77.5 | 78 | 79 | 79 | 80 | 80 | 81 | 81 | 82 | ||
500 | 73 | 73.5 | 74 | 74.5 | 74.5 | 75.5 | 75.5 | 76 | 76 | 77.5 | ||
35.5 | 1500 | 78.5 | 79 | 79.5 | 80 | 80 | 81 | 81 | 82 | 82 | 83.5 | |
1000 | 78.5 | 79 | 79.5 | 80 | 80 | 81 | 81 | 82 | 82 | 83.5 | ||
750 | 77 | 77.5 | 78 | 79 | 79 | 80 | 80 | 81 | 81 | 82 | ||
500 | 73 | 73.5 | 74 | 74.5 | 74.5 | 75.5 | 75.5 | 76 | 76 | 77.5 | ||
40 | 1500 | 76 | 76.5 | 77 | 78 | 78 | 79 | 79 | 80 | 80 | 81 | |
1000 | 76 | 76.5 | 77 | 78 | 78 | 79 | 79 | 80 | 80 | 81 | ||
750 | 75 | 75.5 | 76 | 77 | 77 | 78 | 78 | 78 | 79 | 79 | 80 | |
500 | 71 | 71.5 | 72 | 73 | 73 | 74 | 74 | 75 | 75 | 76 | ||
45 | 1500 | 74.5 | 75 | 76 | 77 | 77 | 78 | 78 | 79 | 79 | 80 | |
1000 | 74.5 | 75 | 76 | 77 | 77 | 78 | 78 | 79 | 79 | 80 | ||
750 | 73.5 | 74 | 74.5 | 75 | 75 | 76 | 76 | 76.5 | 76.5 | 77 | ||
500 | 69.5 | 70 | 70.5 | 71.5 | 71.5 | 72.5 | 72.5 | 73 | 73 | 74.5 | ||
50 | 1500 | 73 | 74 | 74 | 75 | 75 | 76 | 76 | 77 | 77 | 78 | |
1000 | 73 | 74 | 74 | 75 | 75 | 76 | 76 | 77 | 77 | 78 | ||
750 | 72 | 72.5 | 73 | 74 | 74 | 75 | 75 | 76 | 76 | 77 | ||
500 | 68 | 68.5 | 69 | 70 | 70 | 71 | 71 | 72 | 72 | 73 | ||
56 | 1500 | 71.5 | 72.5 | 72.5 | 73.5 | 73.5 | 74.5 | 74.5 | 75 | 76 | 77 | |
1000 | 71.5 | 72.5 | 72.5 | 73.5 | 73.5 | 74.5 | 74.5 | 75 | 76 | 77 | ||
750 | 70.5 | 71 | 71.5 | 72.5 | 72.5 | 73.5 | 73.5 | 74.5 | 74.5 | 75.5 | ||
500 | 67 | 67.5 | 68 | 68.5 | 68.5 | 69.5 | 69.5 | 71 | 71 | 71.5 | ||
63 | 1500 | 70 | 71 | 71 | 72 | 72 | 73 | 73 | 74 | 74 | 75 | |
1000 | 70 | 71 | 71 | 72 | 72 | 73 | 73 | 74 | 74 | 75 | ||
750 | 69 | 69.5 | 70 | 71 | 71 | 72 | 72 | 73 | 73 | 74 | ||
500 | 65 | 65.5 | 66 | 67 | 67 | 68 | 68 | 69 | 69 | 70 |