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S series gearmotor

S series helical-worm gearmotor is replaceable to SEW  S series motor reductor. Inside with helical and worm combined gears, this gearbox is used in light industry mainly such as Textile, food, water industry etc. The efficiency is lower than the helical type , R series helical gear reducer. But the advantage is that it is cheaper and compact. Easy to install. Moreover, it has self-lock function which most other type gearbox not have. 

The output shafts of our S series are vertical to input shafts. Units of S series consist of single stage helical gears and single stage worm gears. There are many mounting types for the installing.

The main types of our S series is as following:

1. Horizontal type, with foot mounted and solid output shafts. Two sides output or single side.

2. B5 flanged mounted helical-worm gearbox with solid shafts. There are holes in the flange for the installation  

3. SA series gear units with hollow shaft output. The diameter of the hollow shaft can be changed according to customers’ requirement in certain range.

4.SAF series speed reducer with B5 flange and hollow shaft. This type is combined type with item 2 and 3.

5.SAZ series geared motor. This type mounted with a B14 flange which is smaller than B5.

6.SH series helical-worm gear reudctor with hollow shaft and shrink disk. This device is installed in the output hollow shaft and it can lock the shaft coupled in the hollow and can used in some places that need stopping and starting very often.

7. SHF series with B5 flange and hollow shaft and shrink disk. This type has the fuction of above item 4 and 6.

8. SHZ type gear drive with electric motor. This one have a B14 flange and hollow shaft and shrink disk mounted.

9. SAT/SHT gearmotor type. With torque-arm-mounted, it can fix the entire geared motor tightly. SAT is a hollow shaft with torque arm and SHT is hollow shaft with shrink disk with torque arm. When this gearbox works, the torque can stop the complete unit shake. This is very useful.

10.S..SZ..AD. Compared to the above types, this type is with no electric motor coupled and the input part is with solid shaft. And the output part is also a solid shaft.

11. S..R. This is combined types which are the S series right angle gearbox and R series helical inline gear units. This can get a bigger ratio and can reduce the electric motor speed much lower.