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  2. If a hollow shaft is to be used in place of the solid shaft, find the inside and outside diameter when the ratio of inside to outside diameters is 0.5. Solution. Given : P = 20 kW = 20 × 103 W N = 200 r.p.m. τu = 360 MPa = 360 N/mm2 F.S. = 8. k = di / do = 0.5 We know that the allowable shear stress, = (τu / FOS) 360/8. 45 N/mm2. Diameter of ...

  3. Gear dimensions are determined in accordance with their specifications, such as Module (m), Number of teeth (z), Pressureangle (α), and Profile shift coefficient (x). This section introduces the dimension calculations for spur gears, helical gears, gear rack, bevel gears, screw gears, and worm gear pairs. Calculations of external dimensions (eg.

  4. Design a journal bearing for a centrifugal pump from the following data: load on the journal 2000N; speed of the journal=900r.p.m; Type of oil is SAE 10, for which absolute viscosity at 550C=0.017KG/M-S ambient temperature of oil =15.50°C; maximum bearing pressure of the pump=1.5 N/mm 2.

  5. Gear Drive Motor Mass Moment of Inertia Equation: Use these equations and calculator to determine the Inertia of a gear drive system. For any change in rotation speed, the load inertia will reflect back through the gears to the motor.

  6. MOTOR CONSTANTS Parameter Formula SI Units Formula English/American Units Formula Torque const (K t = T / I) K t = Nm / A K t = in-lb / A Voltage const (K e ... (below) B (right) g-cm kg-cm kg-m N-m oz-in lb-in lb-ft g-cm 1 0.001 1.00E-05 9.81E-05 0.014 8.68E-04 7.23E-05 kg-cm 1000 1 0.01 0.098 13.89 0.868 0.072 kg-m 1.00E+05 100 1 9.81 1389 86 ...

  7. Online calculator to convert square millimeters to square meters (mm 2 to m 2) with formulas, examples, and tables. Our conversions provide a quick and easy way to convert between Area units. Enter your value in the conversion calculator below. TIP: If the result of your conversion is 0, try increasing the "Decimals".

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