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 Fa...
Example 1: • Power Screws - Stepper Motor, Lead Sc...
Example 2: • Power Screws - Power Required to Rais...
Example 3: • Power Screws - Self-Locking Jack? - E...
Next Video: Stresses at Screw Threads in Just Over 10 Minutes
• Stresses at Screw Threads in Just Ove...
_____________________________________________
Other "Mechanical Engineering Design 1" Links:
1. Axial Loading Review • Axial Loading Review for Mech Design ...
2. Torsion Review • Torsion Review for Mechanical Design ...
3. Pure Bending and Deflection Review • Bending Review for Mechanical Design ...
4. Pure Bending and Deflection Combined Example • Deflection of Beams Review for Mechan...
5. Shear and First Moment About Neutral Axis Review • Transverse Shear Review for Mechanica...
6. Mohr's Circle Review • COMPLETE Mohr's Circle Review in Just...
7. Brittle Failure Theories - Fracture Criteria • Brittle Failure Theories - Facture Cr...
8. Ductile Failure Theories - Yield Criteria • Ductile Failure Theories - Yield Crit...
9. Design Factor and Uncertainty vs. Factor of Safety • DESIGN FACTOR and Uncertainties for M...
10. Tolerance Stack Ups and Tolerance Loops • Uncertainty for Design Factor Calcula...
11. Castigliano's Theorem • Castigliano's Theorem in Under 10 Min...
12. Fracture Toughness • FRACTURE TOUGHNESS and Crack Modes i...
13. Crack Propagation • CRACK PROPAGATION and Paris Equation ...
14. Fatigue SN Diagrams • Fatigue (Strength-Number of Cycles) S...
15. Marin Factors and Corrected Endurance Limit • Marin Factors for ENDURANCE LIMITS in...
16. Fatigue Stress Concentration and Notch Sensitivity Factors • Fatigue STRESS CONCENTRATIONS in Just...
17. Fatigue Failure Criteria • Fatigue FAILURE CRITERIA in Just Over...
18. Shaft Design and Iterative Process • Shaft Design for INFINITE LIFE and Fa...
19. Power Screws – Torque to Force Relationship • Power Screws - Torque to Force Relati...
20. Screw Thread Stress • Stresses at Screw Threads in Just Ove...
21. Fastener and Member Stiffness • Bolt (Fasteners) and MEMBER STIFFNESS...
22. Bolt Tension • BOLT TENSION and Tension at Non-Perma...
23. Proof Strength and Factors of Safety • PROOF STRENGTH - Factors of Safety fo...
24. Spring Stress and Spring Constant • Mechanical Springs - Stress, Deflecti...
25. Shearing Yield Strength and Presetting • Springs - PRESETTING and Shearing Yie...
26. Springs Fatigue – Zimmerli Data • Springs Fatigue and ZIMMERLI Analysis...
27. Spring Design Restrictions • Mechanical SPRING DESIGN Strategy and...
28. Extension Springs • EXTENSION SPRING Design - Stresses an...
29. Gear Relations and Nomenclature • GEARS BASICS - Nomenclature and Main ...
30. Gear Trains and Planetary Gears – Mechanical Advantage • Gear Trains and PLANETARY GEARS in Ju...
31. Spur Gear Forces and Force Components • Gear Forces and Power Transmission of...
32. Helical and Bevel Gear Forces • Gear Forces of HELICAL and BEVEL GEAR...
33. Worm Gear Forces • WORM GEARS - Forces and Speed Relatio...
34. Bending Stress at the Teeth – Lewis Form Factor • LEWIS BENDING STRESS at the Teeth of ...
35. Pitting - Surface Compressive Stress • Gear PITTING - Surface Contact Stress...
36. Bearing Radial Loads • BEARINGS BASICS and Bearing Life for ...
37. Bearing Reliability • Bearings RELIABILITY and Bearings SEL...
38. Bearing Axial Loads and Equivalent Combined Loads • Bearings - COMBINED Radial and Axial ...
Watch video Power Screws - Torque to Force Relationships in Just Over 10 Minutes! online without registration, duration hours minute second in high quality. This video was added by user Less Boring Lectures 12 October 2020, don't forget to share it with your friends and acquaintances, it has been viewed on our site 97,859 once and liked it 1.9 thousand people.