PW型二次包絡環面蝸杆減速機(GB/T16449-1996)其蝸杆齒面是以一個平面為母面,通過相對圓周運動,包絡出蝸輪的齒面,稱為平面二次包絡環面蝸杆副.包括PWU、PWO、PWS型三種型式,适用于冶金、礦山、起重、運輸、石油、化工、建築等行業機械設備的減速傳動。
工作條件:兩軸交角為90℃;蝸杆轉速不超過1500r/min;工作環境溫度為0~40℃,當環境溫度低于0℃或高于40℃時,啟動前潤滑油要相應加熱或冷卻;蝸杆軸可正、反向運轉。
1.型号
(1)PWU型—蝸杆在蝸輪之下平面二次包絡環面蝸杆減速器;
(2)PWO型—蝸杆在蝸輪之上平面二次包絡環面蝸杆減速器;
(3)PWS型—蝸杆在蝸輪之側平面二次包絡環面蝸杆減速器。
PW型平面二次包絡環面蝸杆減速器基本參數
1.中心距
PW型蝸杆減速器中心距a見表1。
PW型蝸杆減速器的傳動效率η
公稱傳
動比iN
|
輸入轉
速1/
rmin-1
|
中心距/mm |
||||||||||
80 |
100 |
125 |
140 |
160 |
180 |
200 |
225 |
250 |
280~710 |
|||
傳動效率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 |