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(helical gearbox)(worm reducer)(transmission gearbox) We are the leading manufacturer specialized in designing and manufacturing different kinds of gearbox in China. Manufacturing according to the ISO9001:2008 quality control system guidelines. We help our customer develop special gearbox for their application and OEM service offered. Product features of SC series worm geared motor SC series helical-worm gearmotor is the combination transmission structure of helical gears and worm wheels, right angle shaft output and steady running.Little vibration and low noise, with large transmission ratio,the transmission efficiency is lower than helical gearmotor.The products have been mainly used in petrochemical machinery, mine and construction machinery, metallurgy, printing and packaging machinery, etc.SC series helical-worm gearmotorEfficiency 55% 75% (depends on the transmission stage) Housing material HT250 high-strength cast iron Gear material 20CrMnTi alloy steel Surface hardness of gears HRC58° 62 ° Input / Output shaft material 42CrMo alloy steel Machining precision of gears accurate grinding, 6 5 Grade Lubricating oil with oil Heat treatment tempering, cementiting, quenching,etc. Brand of bearings HRB,LYC,ZWZ,NSK or other brand Brand of oil seal NAK or other brand Noise (MAX) 60 68dB Temp. rise (MAX) 40 C Temp. rise (Oil)(MAX) 50 C Vibration ≤20µm SC series helical-worm gearmotorModelShaft Dia.Center Height(mm)Power(kw)RatioPermitted torque(Nm)SolidHollow(H7)SC3720k62088h130.12 0.5524 204100SC4725k625(30)100h130.18 0.7524 204150SC5730k630(35)112h130.75 1.524 204250SC6735k640(45)140h130.75 324 285460SC7745k650(60)180h130.75 7.524 3851200SC8760m660(70)225h131.1 1124 3892000SC9770m670(90)280h131.5 18.524 3893500 For more parameters and dimensions, please contact with us. Welcome to send us inquiry! More details information of SC series helical-worm gearmotor