TP型平面二次包络环面蜗杆减速机是以直齿或斜齿的平面蜗轮为铲形轮展成的环面蜗杆传动。具有承载能力大、传动效率高，结构紧凑的特点，广泛用于各种传动机械，如冶金、矿山、起重、化工、建筑、橡塑、船舶等行业的机械设备上。
TP型二次包络蜗轮蜗杆减速机传动效率如下：
|
中心距
a/mm
|
传动比
i
|
输入轴转速n1/r·min-1
|
||||
|
500
|
600
|
750
|
1000
|
1500
|
||
|
效率η/%
|
||||||
|
100～200
|
10.1
|
90
|
90
|
92
|
93
|
93
|
|
12.5
|
89
|
89
|
91
|
92
|
92
|
|
|
16.0
|
87
|
88
|
90
|
91
|
91
|
|
|
20.0
|
85
|
86
|
86
|
87
|
88
|
|
|
25.0
|
83
|
84
|
86
|
87
|
87
|
|
|
31.5
|
77
|
78
|
82
|
83
|
83
|
|
|
40.0
|
74
|
75
|
78
|
79
|
79
|
|
|
50.0
|
71
|
73
|
75
|
76
|
76
|
|
|
63.0
|
68
|
69
|
72
|
73
|
73
|
|
|
250～315
|
10.1
|
92
|
92
|
94
|
95
|
95
|
|
12.5
|
91
|
91
|
93
|
94
|
94
|
|
|
16.0
|
89
|
90
|
92
|
73
|
93
|
|
|
20.0
|
87
|
88
|
88
|
89
|
90
|
|
|
25.0
|
85
|
86
|
88
|
89
|
89
|
|
|
31.5
|
79
|
80
|
84
|
85
|
85
|
|
|
40.0
|
76
|
77
|
80
|
81
|
81
|
|
|
50.0
|
73
|
75
|
77
|
78
|
78
|
|
|
63.0
|
70
|
71
|
74
|
75
|
75
|
|
|
400～500
|
10.1
|
92
|
92
|
94
|
95
|
95
|
|
12.5
|
91
|
71
|
93
|
94
|
94
|
|
|
16.0
|
89
|
90
|
92
|
93
|
93
|
|
|
20.0
|
88
|
89
|
89
|
90
|
91
|
|
|
25.0
|
86
|
87
|
89
|
90
|
90
|
|
|
31.5
|
80
|
81
|
85
|
86
|
86
|
|
|
40.0
|
77
|
78
|
81
|
82
|
82
|
|
|
50.0
|
74
|
76
|
78
|
79
|
79
|
|
|
63.0
|
71
|
72
|
75
|
76
|
76
|
|
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