SIZESpecificationtransmissionratioIECNMP7.5101520253040506080100D2556B145065809999999993063B595115140111111111111111163B1460759056B580100120999999999956B1450658099999999994071B5110130160141414141414141471B14708510563B595115140111111111111111111111163B1460759056B58010012099995080B513016520019191919191919----80B148010012071Antenna B511013016014141414141414141414-71B14708510563B595115140-------111111116390B513016520024242424242424----90B149511514080B513016520019191919191919191919-80B148010012071B5110130160------141414141471B14708510575100/112B5180215250282828--------100/112B1411013016090B513016520024242424Instrument Box 242424-90B149511514080B5130165200191919191919191980B148010012071B5110130160Engineering & Construction Machinery 1414141490100/112B5180215250282828282828-----100/112B1411013016090B5130165200242424242424242424-90B149511514080B5130165200191919191980B1480100120110132B523026530038383838---100/112B5180215250282828282828282828100/112B1411013016090B51301652002424242424242480B51301652001919130132B523026530038383838383838---Connector & Terminals 100/112B518021525028282828282828100/112B1411013016090B51301652002424150160B52503003504242424242------132B5230265300383838383838100/112B518021525028282828PRODUCTS CHARACTERISTICS:GMRVseries worm reducer is a new-generation of products developed by our factory on the basis of perfecting WJ series products with a compromise of advanced technology,its' main features are as follows:1 Made of high quality aluminum alloy, light weight and non-rusting2 Large output torque and high radiating efficiency3 Smooth running and low noise, can work long time in dreadful conditions4 Good-looking appearance, durable service life and small volume5 Suitable for omnibearing installationMAIN MATERIALS:1.housing: aluminium alloy ADC12(size 025-090); die cast iron HT200(size 110-150);2.Worm:20Cr, carbonize&quencher heat treatment make gear surface hardness up to 56-62 HRC; After precision grinding, carburization layer's thickness between 0.3-0.5mm.3.Worm Wheel:wearable stannum alloy CuSn10-1SURFACE PAINTING:Surface Painting: For Aluminium Alloy housing, Shot blasting and special antiseptic treatment on the aluminium alloy surface. After phosphating, paint with RAL5010 blue or silver grey paint. For Cast Iron housing, first paint with red antirust paint, then paint with RAL5010 blue.