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Our HB helical stone crusher speed reducer is especially compact helical and



helical-bevel reducer. SEW HB Series Mining Gear Reducer covers a torque range of



**********0 N.m. Parallel Shaft Mining Reducer offers you a great deal of freedom



in system design and requires remarkably little space. 







Our HB helical stone crusher speed reducer can be well operated with



mining machines: Jaw crusher, cone crusher, impact crusher, vibrating feeder, vibrating screen,



sand washing machine, belt conveyor, mobile crushing plant, portable crushing plant and



grinding mills.









Material: 





Housing: HT**0 cast iron 





Gear: *0CrMnTi H, high grade alloy with carburization, surface hardness: ****2HRC,



center hardness: ****8HRC 





Grinding precision grade: ISO*****1: ***5 class **6,





Surface finish: 0.8, carburization depth: 0.**1.5mm 





Bearing: *2CrMo 







Your benefits:





1.    All / output shafts are plated so that can prevent them to rusting. 





2.    The shaft mounts have labyrinth sealing on the conveyor end and shaft end so that



the oil seal is safe from contamination.





3.    High efficiency.  



Our gear reducer units now are in higher load capacity as the gears have been redesigned.





4.    Strong capacity of being overloaded. 



Our gear reducer units now are in higher load capacity as the gears have been redesigned.





5.    Long service life. 



Life of main parts of gear reducer (except wearing parts) should not be less than *0, **0



hours.





6.    Anti-leaking oil.



The front end of the shaft mount has a hub cover to protect the front oil seal as well as moving



part of the gear reducer.





7.    Simple structure and convenient to be installed and maintained





8.    Small volume





9.    Widely application







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