Spiral Bevel Gearboxes - Diequa Corporation

SIZINGSizing Spiral Bevel GearboxesSIZING SPIRAL BEVEL GEARBOXESPertinent Data1. Input speed.2. Gear ratio.3. Horsepower requirement.4. Method of shaft connection.5. Mounting position.Explanation of SymbolsTo select any gearbox, use the appropriate chartsand tables in the pages that follow. All of them usethe following symbols:n 1 = rpm on pinion d 1n 2 = rpm on shaft d 2i = gear ratio = n 1 /n 2d = a shaft or a pinionHp = horsepowerM = torqueMd 1 = input torque, in Newton-meters, NmMd 2 = output torque, in Newton-meters, NmNm = Newton-metersN 1 = input power, in kilowatts, kWN 2 = output power, in kilowatts, kWC = operational factorAll Tandler gearboxes are delivered with the appropriatequantity and type of oil for normal operation. For speciallubrication and mounting requirements, consult theTechnical Data section, page 32.Pinion d 1Shaft d 24