Design of Power screws for machine vice and screw clamp.pdf -

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1.8 Design of Power screws for machine vice and screw clamp Your email address ([email protected]) will be recorded when you submit this form. Not you? Switch account * Required Name * Vikashini R Register Number * 18EUMT116 Determine torque required to overcome collar friction in a square threaded screw, if the coefficient of friction is 0.12 and axial force of 20 kN is exerted by the screw. Mean radius of friction collar is 20 mm * 48000 N-mm 120 N-mm 4800 N-mm 12000 N-mm If the nominal diameter of screw thread=60mm then the pitch diameter of the trapezoidal thread will be? * 52.5 mm 55.5 mm 60.5 mm 54.5 mm If the nominal diameter of screw thread=60mm and pitch=20 mm then the effective diameter of the screw thread will be? * 40 mm 45 mm 35 mm 50 mm The power screws are used to convert * rotary motion into translatory motion translatory motion into rotary motion linear motion to rotational motion rotary motion to rotary motion If the nominal diameter of screw thread=30 mm then the pitch of the trapezoidal thread will be? * 6 mm 5 mm 4 mm 3 mm Submit Never submit passwords through Google Forms. This form was created inside of Sri Krishna College of Engineering and Technology. Report Abuse Forms