RV Series Aluminum/Cast Iron Worm Gear Boxes Gearbox Speed Reducer with IEC B5/B14 Input Flange

RV Series Worm Gear Boxes Gearbox Speed Reducer with Electric MotorsInput ConfigurationsDouble or single input shaft (NRV)PAM / IEC motor input shaft with circle or square flange (NMRV)Output Configurations Double or single output shaftOutput flangeTechnical Data:Housing materialCast iron/Ductile ironHousing hardnessHBS190-240Gear material20CrMnTi alloy steelSurface hardness of gearsHRC58°~62 °Gear core hardnessHRC33~40Input / Output shaft material42CrMo alloy steelInput / Output shaft hardnessHRC25~30Machining precision of gearsaccurate grinding, 6~5 GradeLubricating oilGB L-CKC220-460, Shell Omala220-460Heat treatmenttempering, cementiting, quenching, etc.Efficiency94%~96% (depends on the transmission stage)Noise (MAX)60~68dBTemp. rise (MAX)40°CTemp. rise (Oil)(MAX)50°CVibration≤20µmBacklash≤20ArcminBrand of bearingsChina top brand bearing, HRB/LYC/ZWZ/C&U. Or other brands requested, NSK.Brand of oil sealNAK --- Taiwan or other brands requestedSpecificationModelMotor Input Flange (circle)Transmission RatioPower(kw)Ratio(i)Nominal Torque(Nm)PAM / IECInternal Dia.Dis. Between Diagonal Screw HolesExternal Dia.Width of Key Slot57.5101520253040506080100NMPEDiamter of Input ShaftNMRV2556B1450658039-9-0.067.5-602.6-14NMRV3063B595115140411-0.06-0.187.5-802.6-1463B1460759056B58010012039-56B14506580NMRV4071B5110130160514-0.09-0.377.5-10011-5371B14708510563B59511514041163B1460759056B5801001203-9NMRV5080B5130165200619-0.12-0.757.5-10021-8980B148010012071B5110130160514-71B14708510563B5951151404-11NMRV6390B5130165200824-0.25-1.57.5-10056-16690B149511514080B5130165200619-80B148010012071B51101301605-1471B147085105NMRV75100/112B51802152508-28-0.55-47.5-10090-269100/112B1411013016090B5130165200824-90B149511514080B51301652006-1980B148010012071B5110130160--14NMRV90100/112B51802152508-28-0.55-47.5-100101-458100/112B1411013016090B5130165200824-90B149511514080B51301652006-1980B1480100120NMRV110132B523026530010-38-1.1-7.57.5-100242-660132B14130165200-100/112B5180215250828-90B5130165200-2490B1495115140-80B5130165200-19 NMRV130 132B523026530010 - 38 -  2.2-7.5  7.5-100  333-1596 132B14130165200-100/112B51802152508-2890B5130165200--2490B1495115140NMRV150160B525030035012-42-2.2-157.5-100570-1760132B523026530010-38-132B14130165200-100/112B51802152508-28Company profileScenarioPackingFAQQ1: I want to buy your products, how can I pay?A: You can pay via T/T(30%+70%), L/C ,D/P etc. Q2: How can you guarantee the quality?A: One year's warranty against B/L date. If you meet with quality problem, please send us pictures or video to check, we promise to send spare parts or new products to replace. Our guarantee not include inappropriate operation or wrong specification selection. Q3: How we select models and specifications?A: You can email us the series code (for example: RC series helical gearbox) as well as requirement details, such as motor power,output speed or ratio, service factor or your application...as much data as possible. If you can supply some pictures or drawings,it is nice. Q4: If we don't find what we want on your website, what should we do?A: We offer three options:1, You can email us the pictures, drawings or descriptions details. We will try to design your products on the basis of ourstandard models.2, Our R&D department is professional for OEM/ODM products by drawing/samples, you can send us samples, we do customized design for your bulk purchasing.3, We can develop new products if they have good market. We have already developed many items for special using successful, such as special gearbox for agitator, cement conveyor, shoes machines and so on. Q5: Can we buy 1 pc of each item for quality testing?A: Yes, we are glad to accept trial order for quality testing.Q6: How about your product delivery time?A: Normally for 20'container, it takes 25-30 workdays for RV series worm gearbox, 35-40 workdays for helical gearmotors.