Working & Maintenance Instructions - Varvel

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Working Instructions & MaintenanceProduct LayoutElastic Coupling “G”The elastic coupling “G” is supplied as standard fitting on the Series RD, RN, RO, RV, RP, RS, RT.Reducer half-couplingMaterial: steel alloyOne piece built-in input shaftTwo bearing mountingUnchanged casing dimensionsSpiderExternal tooth connectionMaterial: Thermoplastic Elastomer- Elastollan ® TPU - Polyurethane- Hytrel ® TPE - PolyesterHardness- TPU 98 Shore A- TPE 72 Shore DTemperature- TPU -20/+75°C (-4 / +167°F)- TPE -30/+100°C (-22 / +212°F)Motor half-couplingMaterial:- Aluminium die cast (G3, G5, G6)- Alloy steel (GS8) Dynamic balancingFitting:- Clamp (G3, G5, G6)- Key (GS8)Bores:- IEC 72 / N42948- NEMA C y TCAdvantages: One gearbox only for each reduction ratio Greater flexibility Increased stock rotation Fretting corrosion elimination between key and keyway Zero backlash in gearbox/motor connection Allowed angular misalignment 1° max Torsional rigidity High vibration dampingInput flanges: Material:- Aluminium up to IEC112 and NEMA TC180- Cast iron from IEC 132 and NEMA TC200- 4 -
RCWorking Instructions & MaintenanceProduct LayoutSeries RC - 2 stagesThe layout shows the general structure of a two-stage foot-mounted helical gearbox type FRC (sizes 05 to 30).01 Oil seal 19 Bearing02 Housing 20 Bearing03 Key 21 Pinion04 Output shaft 22 Key05 Key 23 Gear06 Bearing 24 Bearing07 Spacer 26 Bearing11 Gasket 27 Gear13 Bearing 29 IEC input cover15 Pinion 33 Hollow input16 Key 35 Oil seal17 Hollow input- 5 -
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Working & Maintenance Instructions - Varvel

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