Special crane reducers VKU-610M … VKU-965M
They allow the mechanism to function even under the highest loads
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Gear three-stage vertical general-purpose crane reducers of the VKU type (VKU-610M, VKU-765M, VKU-965M) are installed on the movement mechanisms of load-lifting cranes and other machines that work in crane mode. The SKU crane reducer is considered the most popular and used in modern engineering.
Conditions of use:
- constant and variable, unidirectional and reversible load;
- work is constant and with periodic stops;
- rotation of the shafts in any direction without advantage at a speed of rotation of the high-speed shaft up to 1000 revolutions per minute;
- ambient temperature – from -40 0 C to +50 0 C;
- increased dustiness, non-aggressive environment;
- humidity at a normal temperature of 20 0 C – up to 95%.
Basic technical characteristics
| Type size | Name of technical characteristics | ||
| Transmission numbers | Nominal turning moment on the low-speed shaft, N.t (PV=40%) | mass, kg | |
| VKU-500М | 14; 16; 18; 20; 22,4; 25; 28; 31,5; 35,5; 40; 45; 50; 56; 63; 71; 80; 90; 100; 112; 125; 140 | 3320 | 330 |
| VKU-610М | 6000 | 450 | |
| VKU-765М | 12200 | 820 | |
| VKU-965М | 19750 | 1530 | |
Overall and connecting dimensions
| Тype size | Awt | Awp | Оyб | А | A1 | B | V1 | Х | H1 | H2 | L | L1 | L2 | L3 | L4 | L5 | d | ch |
| VKU-500М | 200 | 160 | 140 | 240 | 70 | 360 | 320 | 475 | 160 | 40 | 840 | 505 | 85 | 200 | 305 | 310 | 17 | 30 |
| VKU-610М | 250 | 200 | 160 | 375 | 70 | 350 | 305 | 585 | 250 | – | 1000 | 605 | 50 | 240 | 325 | 355 | 17 | 35 |
| VKU-765М | 315 | 250 | 200 | 440 | 110 | 445 | 385 | 675 | 290 | – | 1220 | 745 | 45 | 284 | 370 | 440 | 26 | 40 |
| VKU-965М | 400 | 315 | 250 | 570 | 120 | 620 | 540 | 930 | 320 | 75 | 1565 | 960 | 75 | 385 | 450 | 495 | 33 | 45 |
Connecting dimensions of high-speed and low-speed shafts
| Type size | high-speed shaft (conical) | idler shaft (cylindrical) | ||||||||
| d | d1 | L | l1 | b | t | d2 | l2 | b1 | t1 | |
| VKU-610М | 40 | М24х2,0 | 110 | 82 | 10 | 20,95 | 80 | 130 | 22 | 85 |
| VKU-765М | 50 | М36х3,0 | 110 | 82 | 12 | 25,95 | 125 | 165 | 32 | 136 |
| VKU-965М | 65 | М42х3,0 | 140 | 105 | 16 | 33,9 | 125(140) | 165(200) | 32(36) | 136(152) |
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