Elevator (Lift) Unit  Reduction Unit  
 
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Gear Box, Gear Box Manufacturer, Gear Box Exporter, Gear Box Manufacturer and Exporter Company India Elevator Gear Box .in
Reduction Unit Manufacturer
Lift Duty Gear Box, Lift Duty Gear Box Manufacturer, Lift Duty Gear Box Exporter, Passenger Lift,Passenger Lift Manufacturer, Passenger Lift Exporter, Lift Duty Gear Box Manufacturer and Exporter in Ahmedabad.
 
Gear Box
 
 
   
  "Vishwacon Engineers" which manufctures elevator (lift) units and reduction units.
   
  Reduction Unit
 
Lift Duty Gear Box, Lift Duty Gear Box Manufacturer, Lift Duty Gear Box Exporter, Passenger Lift,Passenger Lift Manufacturer, Passenger Lift Exporter, Lift Duty Gear Box Manufacturer and Exporter in Ahmedabad.
  Vishwacon Engineers offers worm gear speed reducer. The components are made with professional machines and tools in order to make their dimensions standardised to reach the replaceability. The body is made of 20 grade top quality cast iron; it is provided with targe cooling fins on both sides with maximum surface area exposed to atmosphere for improved efficiency. Before machining, red lead is sprayed to coat the internal and external surfaces of the body. Boaring tools are applied to machine at a time to assure the same centreline and vertical angle of the bearings. Warm shaft: the material of 20 MnCr 5 is treated with high-frequency waves to possess the hardness. The tooth is ground with the professional HMT shaft grinder to decrease the friction. The measure pin is used to inspect to control the accurate contact surface and the requirement of replaceability. Worm wheel: the tooth, which is made of PB2 is formed with the professional (TOZ hobbing) tools machined with precision hob cutters, Bearings: the ball or roller bearings are used in worm wheel with ample capacity so that is can take journal and thrust load. Oil seals; best quality of oil seals is used.
 
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DIMENSIONS FOR 'NU' MOUNTING
Base External Dimension Input Shaft Output Shaft
Size A A1 B B1 T H C C1 C2 E E1 E2 D1 L1 M1 T1 W1 D2 L2 M2 T2 W2
2 1/4 156 106 148 117 17.5 13.5 85 100 57.15 142 136 150 22 50 M6 18.5 6 25 60 M10 21 8
3 NU 180 140 192 160 20 14.5 105 125 76.20 155 175 165 25 50 M8 21 8 38 75 M12 33 10
4 NU 250 187 242 196 25 17.5 108 209.6 215 440 215 324.6 32 65 M12 27 10 45 90 M16 39.5 14
5 NU 300 225 290 220 30 17.5 118 245 242 492 235 385 35 70 M12 30 10 50 100 M16 44.5 14
6 NU 350 270 320 270 30 22 127 279.4 279 580 274 449.4 38 75 M12 33 10 58 114 M20 52 16
   
 
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HORSEPOWER RATING AND TORQUE CAPACITIES 2.25 NU / 3 NU / 4 NU / 5 NU & 6 NU
Input
RPM
Size of
Gear Unit
Capacity Nominal Rtio
5 7.50 10 15 20 25 30 40 50 60 70
1500   Input HP
3.00 2.50 2.10 1.38 1.26 0.98 0.80 0.63 0.49 0.45 0.40
2.25 NU Output Torque daNm 6.75 8.15 9.00 8.70 9.75 9.40 8.95 8.90 8.30 8.65 8.85
  Input HP 8.10 7.00 6.00 4.20 3.60 3.20 2.80 2.30 1.85 1.63 1.42
3 NU Output Torque daNm 18.00 24.00 26.00 27.00 30.00 32.00 33.00 34.00 33.00 33.50 32.00
  Input HP 18.50 13.00 11.10 7.50 6.80 5.30 4.70 3.90 3.30 3.00 2.50
4 NU Output Torque daNm 42.00 44.00 50.00 50.00 59.00 56.00 59.50 63.50 65.00 66.00 62.00
  Input HP 31.00 24.00 21.00 14.50 12.00 9.90 8.40 6.70 5.70 5.0 4.50
5 NU Output Torque daNm 71.50 83.50 95.00 95.00 105.0 106.0 106.00 107.00 110.0 114.0 111.0
  Input HP 49.00 35.00 31.00 23.00 19.00 16.20 13.70 11.10 6.90 8.30 8.00
6 NU Output Torque daNm 115.0 120.0 142.0 156.0 166.0 174.0 173.00 178.00 173.0 183.0 180.0
1000   Input HP 2.50 2.00 1.65 1.12 0.98 0.78 0.68 0.53 0.41 0.35 0.30
2.25 NU Output Torque daNm 8.25 9.80 10.30 10.10 11.20 10.75 10.96 10.60 10.00 9.60 9.62
  Input HP 6.10 5.30 4.65 3.40 2.90 2.60 2.25 1.80 1.60 1.40 1.25
3 NU Output Torque daNm 20.00 26.00 30.00 32.00 35.00 38.00 38.00 40.00 40.00 41.00 40.00
  Input HP 14.60 10.10 8.70 6.00 5.20 4.00 3.80 3.20 2.70 2.50 1.90
4 NU Output Torque daNm 50.00 52.00 59.00 59.00 67.00 63.00 70.00 74.00 75.00 81.00 66.00
  Input HP 25.00 18.90 16.30 10.30 9.10 7.90 6.50 5.50 4.70 4.00 3.50
5 NU Output Torque daNm 87.00 97.00 110.0 102.0 116.0 122.0 120.0 130.0 132.0 126.0 124.0
  Input HP 36.00 28.00 25.00 18.00 14.40 11.10 10.00 8.50 7.10 6.00 5.20
6 NU Output Torque daNm 124.0 143.00 169.0 178.0 185.0 175.0 184.0 198.0 199.0 192.0 182.0
750   Input HP 2.25 1.62 1.33 1.00 0.86 0.63 0.57 0.47 0.33 0.31 0.25
2.25 NU Output Torque daNm 9.80 10.35 11.00 12.00 11.75 11.30 12.00 12.20 10.40 11.00 10.30
  Input HP 5.00 4.40 3.80 2.40 2.35 2.10 1.83 1.57 1.35 1.14 0.97
3 NU Output Torque daNm 22.00 29.00 33.00 29.00 37.00 40.00 40.00 44.00 45.00 43.00 41.00
  Input HP 12.20 9.30 7.30 4.90 4.30 3.60 3.20 2.50 2.10 2.00 1.70
4 NU Output Torque daNm 55.00 59.00 65.00 64.00 72.00 73.00 77.00 78.00 79.00 82.00 76.00
  Input HP 19.80 17.60 13.50 9.30 7.50 6.40 5.60 4.30 3.70 3.40 3.00
5 NU Output Torque daNm 90.00 111.0 120.0 121.0 127.0 132.0 135.0 132.0 134.0 139.0 136.0
  Input HP 28.00 25.00 19.70 15.30 11.70 9.10 8.60 6.70 6.00 4.90 4.20
6 NU Output Torque daNm 125.0 158.0 175.0 199.0 198.0 189.0 206.0 205.0 219.0 201.0 192.0
   
 
 
   
 
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