If for a trapezoidal thread, angle of thread is 15’ then what will be the replacement of the coefficient of friction which is 0.15.

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A machine vice whose length of the handle is 150mm and the coefficient of friction for thread and collar are 0.15 and 0.17 respectively has a force applied at handle of 125N. Also the outer and inner diameters of collar are 55mm and 45mm respectively. Find the screw torque in terms of clamping force W if nominal diameter=22mm and pitch=5mm.

asked Feb 2 in Machine Design by Carter (89.5k points)

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A machine vice whose length of the handle is 150mm and the coefficient of friction for thread and collar are 0.15 and 0.17 respectively has a force applied at handle of 125N. Also the outer and inner diameters of collar are 55mm and 45mm respectively. Find the overall efficiency if nominal diameter=22mm and pitch=5mm.

asked Jan 27 in Machine Design by Carter (89.5k points)

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A machine vice whose length of the handle is 150mm and the coefficient of friction for thread and collar are 0.15 and 0.17 respectively has a force applied at handle of 125N. Also the outer and inner diameters of collar are 55mm and 45mm respectively. Find the clamping force W if nominal diameter=22mm and pitch=5mm.

asked Jan 23 in Machine Design by Carter (89.5k points)

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A machine vice whose length of the handle is 150mm and the coefficient of friction for thread and collar are 0.15 and 0.17 respectively has a force applied at handle of 125N. Also the outer and inner diameters of collar are 55mm and 45mm respectively. Find the collar torque in terms of clamping force W assuming uniform wear theory if nominal diameter=22mm and pitch=5mm.

asked Jan 23 in Machine Design by Carter (89.5k points)

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Find the torque required to raise the load of 15kN and mean diameter of triple threaded screw being 46mm. Also given pitch=8mm and coefficient of friction is 0.15.

asked Jan 27 in Machine Design by Carter (89.5k points)

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asked Feb 2 in Machine Design by Carter (89.5k points)

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asked Jan 23 in Machine Design by Carter (89.5k points)

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asked Jan 21 in Machine Design by Chris (52.6k points)

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asked Jan 23 in Machine Design by Carter (89.5k points)

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asked Jan 23 in Machine Design by Carter (89.5k points)

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asked Jan 25 in Machine Design by Carter (89.5k points)

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A cone clutch transmits 24kW at 490rpm. The coefficient of friction is 0.2 and allowable intensity of pressure is 0.35N/mm². The semi cone angle is 12⁰. The outer diameter is fixed as 310mm.Assuming uniform wear theory; find the face width of friction lining.

asked Jan 27 in Machine Design by Carter (89.5k points)

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A cone clutch transmits 24kW at 490rpm. The coefficient of friction is 0.2 and allowable intensity of pressure is 0.35N/mm². The semi cone angle is 12⁰. The outer diameter is fixed as 310mm.Assuming uniform wear theory; find the inner diameter.

asked Jan 23 in Machine Design by Carter (89.5k points)

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The manning’s coefficient for a lined trapezoidal channel with a bed slope of 1 in 4000 is 0.014 and it will be 0.028 if the channel is unlined. The area in the case of the lined section is 19.04 m^2 and for the unlined section is 29.09 m^2. What percentage of earthwork is saved in a lined section relative to an unlined section, when a hydraulically efficient section is used in both the cases?

asked Jul 31, 2023 in Irrigation Engineering by Carter (89.5k points)

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asked Jan 23 in Machine Design by Carter (89.5k points)

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asked Jan 23 in Machine Design by Carter (89.5k points)

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