Coaxial gear reducer HSPG series
200 - 500 Nm20 - 50 Nm100 - 200 Nm

coaxial gear reducer
coaxial gear reducer
coaxial gear reducer
coaxial gear reducer
coaxial gear reducer
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Shaft orientation
200 - 500 Nm, 20 - 50 Nm, 100 - 200 Nm, 50 - 100 Nm, 500 - 1000 Nm, 1 - 2 kNm, 2 - 5 kNm
high-precision, low-noise, high-rigidity, zero-backlash
transmission, shaft
Other characteristics
large, NEMA 23
Rotational speed

Max.: 5,500 rpm
(34,557.52 rad.min-1)

Min.: 2,000 rpm
(12,566.37 rad.min-1)


Features: ■ Zero backlash ■ Integration of high capacity radial-axial bearings into the reduction gear ■ Almost 100% increase of the rated torque ■ More than 90% transmission efficiency by rated torque ■ Large scale of reduction ratio (31-191) ■ High precision performance ■ High linearity of the torsion characteristics ■ Elimination of the gliding friction from the reduction mechanism ■ Very low level of noise and vibration ■ Very simple construction ■ Decreased external dimensions ■ High reliability ■ Long service life We would recommend to exchange the grease. Type of grease should be stated on label placed on reducer housing. Being a very old business case/shipment we cannot find the data in our archive. The lubricant exchange is performed by filling holes in the reducer case. Procedure for Lubricant Exchange ■ If reducer is completely sealed dismantle adapter motor flange on reducer input side and sealing cap on reducers output flange ■ Remove the screws from the filling holes ■ Use one of the holes for filling the grease, the second one is for venting ■ Press a new grease into reducer. The old grease should go out through free space around input shaft ■ The lubricant exchange is performed at slow input speed of the input reducer`s shaft. Fill the grease until you will see that only new grease is going out (new grease will have brighter colour). ■ At this moment 100% of inside space is filled with grease. However only 80% of the space must be filled with grease. Therefore it is necessary neither to pump out 20% of the grease, or create additional 20% of the volume as free space between reducer and motor flange


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