DESIGN CALCULATIONS OF SCREW JACK DOCX

Title DESIGN CALCULATIONS OF SCREW JACK
Author Shivam Kumar
Pages 1
File Size 21.3 KB
File Type DOCX
Total Downloads 279
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Summary

DESIGN CALCULATIONS OF SCREW JACK NOMENCLATURE p - Pitch of screw thread (mm) d - Nominal diameter of screw (mm) do - Core diameter of screw (mm) dm - Mean diameter of screw λ - Helix angle of screw (degree) F - Load (N) μ - Coefficient of friction Φ - Friction angle (degree) S1 – Direct Compression...


Description

DESIGN CALCULATIONS OF SCREW JACK NOMENCLATURE p - Pitch of screw thread (mm) d - Nominal diameter of screw (mm) do - Core diameter of screw (mm) dm - Mean diameter of screw λ - Helix angle of screw (degree) F - Load (N) μ - Coefcient of fricton Φ - Fricton angle (degree) S1 – Direct Compression stress (N/mm2 ) S2 – Bending Stress (N/mm2 ) Ss1 – Shear Stress in the threads of the screw Ss2 – Shear Stress due to Torque l – Length of Screw Spindle i - Number of threads in the nut. T1 – Lifing torque D1 – Outside diameter of nut D2 – Collar diameter...


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