Special crane reducers VK-350… VK-550

They allow the mechanism to function even under the highest loads

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Special crane vertical three-stage gearboxes VK-350, VK-475, VK-550 are intended for use in drives of crane movement mechanisms. The reducers are operated in areas with a moderate (climatic version U), dry and humid tropical (T) climate, placement category 2 according to GOST 15150.

Terms 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%.

Technical characteristics of VK type reducers:

Type sizeTransmission relationsRotational frequency of the input shaft, min-1Rated torque
on the output shaft, НХМ		mass, kg
VK-35010; 16; 31,5; 501000 … 60085…725120
VK-47520; 28; 50; 1121300…1950215
VK-55018; 31,5; 71; 1252000…2400279

 Overall and connecting dimensions

Type sizeАВAPАТАA1A2ВV1B2ХH1chLL1L2L3L4dp
VK-3509013013050–18517022018529815020558280132198180174
VK-475105160210508020025525021545822025790482200243260178
VK-550140190220508032028528024548623525880557215258280178

Dimensions of the ends of the input and output shafts

Type sizedd1d2ll1btd3l2b1t1
mm
VK-3503045М20х1.58060816,535551038,5
VK-4754050M24x2110821020,95651101869
VK-5504050M24x2110821020,95801102285

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