Helical Worm Gear Speed Reducer

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Helical Worm Gear Speed Reducer
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The S series of helical worm gear speed reducer adopts modular design and high steel cast iron box. Combined with helical gear and worm gear, it has much higher strength and efficiency than single-stage aluminum worm speed reducer.

Technical Specifications
1. Power: 0.18-22 kw
2. Speed Ratio: 10.27-230.48
3. Output Rotational Speed: 0.3-145 rpm
4. Max. Output Torque: 4000 N.m
5. Mounting Type: Foot Mounting, Flange Mounting or Shaft Mounting
6. Type of Output Shaft: Hollow Shaft or Solid Shaft

Design Schemes of S Series
helical-worm-gear-reducer
S..Y
Foot-mounted Type with Solid Output Shaft
helical-worm-gear-reducer
SA..Y...
Hollow Output Shaft Type

helical-worm-gear-reducer
SF...Y...
Flange-mounted Type with Solid Output Shaft
helical-worm-gear-reducer
SAF..Y...
Flange-mounted Type with Hollow Output Shaft
helical-worm-gear-reducer
SAT...Y...
Torque-arm -mounted Type with Hollow Output Shaft
helical-worm-gear-reducer
S(SF,SA,SAF,SAZ)S ....
Shaft Input Type
Input power and Maximum Torque
Specification 37 47 57 67 77 87 97
Structural Form S.SA. SF. SAF. SAT SAZ
Input power (kw) 0.18-0.75 0.18-1.5 0.18-3 0.25-5.5 0.55-7.5 0.75-15 1.5-22
Transmission Ratio 10.27-152 11.46-244.74 10.78-196.21 11.5-227.20 9.96-241.09 11.83-222 12.75-230.48
Max. Torque (N.m) 90 170 295 520 1270 2280 4000

This series of helical worm gear speed reducer is the multi-stage speed reducer which is constructed through equipping a helical gear motor to the input end of a worm gear speed reducer. It can get very low output speed, which has much higher efficiency, lower noise and slighter vibration than single-stage worm gear speed reducer. With its helical gear adopting hardened tooth flank, the machine can operate steadily and bear large load. Compared with similar products, the helical worm gear speed reducer has wider speed range. It has the advantages of compacted structure, convenient installation and simple maintenance.

For those helical worm gear speed reducer working in the occasion with heavy load, frequent start and poor environment, the user can use some lubricating oil additives to decrease the abrasion of gears effectively. Meanwhile, this method can also maintain the softness and elasticity of seal ring to reduce oil leakage.

DOFINE is a professional helical worm gear speed reducer manufacturer based in China. The wide range of products we offer includes spiral bevel gear motor, helical gear motor, planetary gearbox, bevel industry gear unit, and more.

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