Transcription of Gear Units - Calculation and Selection
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Gear Units - Calculation and Selection
gear Units - Calculation and Selection The values given in the load table are based on uniform, smooth servo-operation. Since, in practice, the applications are very diverse, it is essential to consider the given condi tions by using the appropriate factors S, KA and bB (see symbols). The maximum oil-sump temperature of 80 C should not be exceeded. Formulas for Determining Power and Torque Data: Safety Coefficient S. The Safety Coefficient should be allowed for according to a = [m/s ]. tb experience (S = to ). Fu = m g + m a (for lifting axle) [N]. Symbols Fu = m g + m a (for driving axle) [N] a = Acceleration or Retardation (m/s ). Fu d bB = Operating Time Factor T2req. = [Nm] d = Pinion Pitch-Circle Diameter (mm). 2000 g = Acceleration Due to Gravity ( ).
GF – 2 Dimensions in mm 1/2012 Gear Units - Calculation and Selection F u · d 2000 ν d · nπ n 1 n 2 T 2table K A · S · b B T 2req. · n 2 9550 · η Formulas for Determining Power and Torque Data:
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