R Series Helical Gearboxes

This kind of gearbox is a new transmission machine designed & manufactured by helical gear(hard gear) transmission principle.
1. High mechanical efficiency:
94%-98%
(depends on the transmission steps);
2. Input form: flange input,
direct motor input
, shaft input;
3. Materials of gearbox body:
HT250
high-strength cast iron;
4. Materials of shafts:
42CrMo
alloy steel;
5. Materials of gears :
20CrMnTi
alloy steel;
6. Heat treatment: tempering, cementiting, quenching;
7. Surface hardness of gears:
HRC58°-62 °
;
8. Maching precision of gears:
6-5GRADE
;
9. Brand of bearings: HRB, LYC,ZWZ,NSK;
10. Noise of gearboxes:
60-68dB;
11. Gear lubrication oil: Mineral oil or Synthetic oil.