ZQA Medium Hard Surface Gear Reducer
ZQA reducer is designed on the basis of ZQ reducer. In order to improve the bearing capacity of the gear and to replace the ZQ type easily, only the material and heat treatment method of the gear are changed, and the medium hard tooth surface is adopted.
ZQA250、ZQA350、ZQA400、ZQA500 ZQA650、ZQA750、ZQA850、ZQA1000
Nominal And Actual Transmission Ratio of ZQA Reducer
Nominal Transmission Ratio | 50 | 40 | 31．5 | 25．0 | 20 | 15 | 12．5 | 10 | 8 |
Actual Transmission Ratio | 48.57 | 40.17 | 31.5 | 25.02 | 20.49 | 15.75 | 12.64 | 10.35 | 8.23 |
|
Model
|
Center Distance
|
Basic Dimensions
|
A3
|
B5
|
B6
|
C
|
C1
|
H0
|
H1
|
H2
(H′2)
|
L1
|
||||
|
A
|
A1
|
A2
|
B
|
H
|
L
|
||||||||||
|
ZQA250
|
250
|
100
|
150
|
230
|
315
|
540
|
101
|
|
190
|
60
|
28
|
160
|
|
25
|
345
|
|
ZQA350
|
350
|
150
|
200
|
290
|
400
|
730
|
132
|
|
250
|
100
|
40
|
200
|
|
25
|
470
|
|
ZQA400
|
400
|
150
|
250
|
310
|
490
|
826
|
133
|
|
270
|
110
|
80
|
250
|
|
25
|
490
|
|
ZQA500
|
500
|
200
|
300
|
350
|
592
|
986
|
148
|
|
310
|
130
|
80
|
300
|
|
25
|
620
|
|
ZQA650
|
650
|
250
|
400
|
470
|
697
|
1278
|
183
|
318
|
410
|
160
|
85
|
320
|
95
|
69
|
830
|
|
ZQA750
|
750
|
300
|
450
|
210
|
745
|
1448
|
207
|
362
|
450
|
155
|
55
|
320
|
130
|
104
|
1020
|
|
ZQA850
|
850
|
350
|
500
|
280
|
875
|
1632
|
236
|
418
|
520
|
155
|
75
|
400
|
105
|
75
|
1100
|
|
ZQA1000
|
1000
|
400
|
600
|
660
|
965
|
1896
|
257
|
490
|
590
|
200
|
100
|
400
|
200
|
170
|
1350
|
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