Engineering, 07.08.2019 05:20 asialovepink2321
Asingle-square threaded 35-mm power screw is 35 mm in diameter with a pitch of 5 mm. a vertical load on the screw reaches a maximum of 5 kn. the coefficients of friction are 0.06 for the collar and 0.09 for the threads. the frictional diameter of the collar is 45 mm. find the overall efficiency and the torque to "raise" and "lower" the load. repeat this problem if acme screw is used in this design.
Answers: 3
Engineering, 04.07.2019 16:10
An electrical motor raises a 50kg load at a construct velencity .calculate the power of the motor, if it takes 40sec to raise the load through a height of 24m(take g =9.8n/g)
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Engineering, 04.07.2019 18:10
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Engineering, 04.07.2019 19:10
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Asingle-square threaded 35-mm power screw is 35 mm in diameter with a pitch of 5 mm. a vertical load...
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