Power Screws - Torque to Force Relationships in Just Over 10 Minutes! скачать в хорошем качестве

Power Screws - Torque to Force Relationships in Just Over 10 Minutes!

Torque to Raise a Load, Torque to Lower a Load, Pitch Diameter, Screw Lead - Thread Terminology, Thread Profiles: Square, ACME, etc. Self-Locking Power Screws, Collar Friction Torque. 0:00 Power Screws 0:28 Screw Nomenclature 1:01 Lead 1:48 Thread Profiles 2:08 Assumptions for Equation 3:19 Torque to Force Relationship 4:02 Torque to Raise Load 5:55 Torque to Lower Load 6:27 Self-Locking Exception 6:50 Angled Thread Profiles 7:22 Collar Friction 8:13 C-Clamp Example Previous Video: Shaft Design for Infinite Life and Fatigue Failure in Just Over 10 Minutes    • Shaft Design for INFINITE LIFE and Fatigue...   Example 1:    • Power Screws - Stepper Motor, Lead Screw, ...   Example 2:    • Power Screws - Power Required to Raise the...   Example 3:    • Power Screws - Self-Locking Jack? - Example 3   Next Video: Stresses at Screw Threads in Just Over 10 Minutes    • Stresses at Screw Threads in Just Over 10 ...   _____________________________________________ Other "Mechanical Engineering Design 1" Links: 1. Axial Loading Review    • Axial Loading Review for Mech Design in Un...   2. Torsion Review    • Torsion Review for Mechanical Design in Un...   3. Pure Bending and Deflection Review    • Bending Review for Mechanical Design in Un...   4. Pure Bending and Deflection Combined Example    • Deflection of Beams Review for Mechanical ...   5. Shear and First Moment About Neutral Axis Review    • Transverse Shear Review for Mechanical Des...   6. Mohr's Circle Review    • COMPLETE Mohr's Circle Review in Just Over...   7. Brittle Failure Theories - Fracture Criteria    • Brittle Failure Theories - Facture Criteri...   8. Ductile Failure Theories - Yield Criteria    • Ductile Failure Theories - Yield Criteria ...   9. Design Factor and Uncertainty vs. Factor of Safety    • DESIGN FACTOR and Uncertainties for Mechan...   10. Tolerance Stack Ups and Tolerance Loops    • Uncertainty for Design Factor Calculations...   11. Castigliano's Theorem    • Castigliano's Theorem in Under 10 Minutes ...   12. Fracture Toughness    • FRACTURE TOUGHNESS and Crack Modes  in Und...   13. Crack Propagation    • CRACK PROPAGATION and Paris Equation in Un...   14. Fatigue SN Diagrams    • Fatigue (Strength-Number of Cycles) SN-DIA...   15. Marin Factors and Corrected Endurance Limit    • Marin Factors for ENDURANCE LIMITS in Just...   16. Fatigue Stress Concentration and Notch Sensitivity Factors    • Fatigue STRESS CONCENTRATIONS in Just Over...   17. Fatigue Failure Criteria    • Fatigue FAILURE CRITERIA in Just Over 10 M...   18. Shaft Design and Iterative Process    • Shaft Design for INFINITE LIFE and Fatigue...   19. Power Screws – Torque to Force Relationship    • Power Screws - Torque to Force Relationshi...   20. Screw Thread Stress    • Stresses at Screw Threads in Just Over 10 ...   21. Fastener and Member Stiffness    • Bolt (Fasteners) and MEMBER STIFFNESS in J...   22. Bolt Tension    • BOLT TENSION and Tension at Non-Permanent ...   23. Proof Strength and Factors of Safety    • PROOF STRENGTH - Factors of Safety for Ten...   24. Spring Stress and Spring Constant    • Mechanical Springs - Stress, Deflection, a...   25. Shearing Yield Strength and Presetting    • Springs - PRESETTING and Shearing Yield St...   26. Springs Fatigue – Zimmerli Data    • Springs Fatigue and ZIMMERLI Analysis in J...   27. Spring Design Restrictions    • Mechanical SPRING DESIGN Strategy and Rest...   28. Extension Springs    • EXTENSION SPRING Design - Stresses and Ini...   29. Gear Relations and Nomenclature    • GEARS BASICS - Nomenclature and Main Relat...   30. Gear Trains and Planetary Gears – Mechanical Advantage    • Gear Trains and PLANETARY GEARS in Just Ov...   31. Spur Gear Forces and Force Components    • Gear Forces and Power Transmission of SPUR...   32. Helical and Bevel Gear Forces    • Gear Forces of HELICAL and BEVEL GEARS in ...   33. Worm Gear Forces    • WORM GEARS - Forces and Speed Relations in...   34. Bending Stress at the Teeth – Lewis Form Factor    • LEWIS BENDING STRESS at the Teeth of a Gea...   35. Pitting - Surface Compressive Stress    • Gear PITTING - Surface Contact Stress Fati...   36. Bearing Radial Loads    • BEARINGS BASICS and Bearing Life for Mecha...   37. Bearing Reliability    • Bearings RELIABILITY and Bearings SELECTIO...   38. Bearing Axial Loads and Equivalent Combined Loads    • Bearings - COMBINED Radial and Axial LOADS...