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Contents of the Power Screws PDF

List of 103 Power Screws Formulas

Axial Load on Screw given Direct Compressive Stress
Axial Load on Screw given Transverse Shear Stress
Axial Load on Screw given Transverse Shear Stress at Root of Nut
Axial Load on Screw given Unit Bearing Pressure
Bearing Area between Screw and Nut for One Thread
Coefficient of Friction at Collar of Screw according to Uniform Pressure Theory
Coefficient of Friction at Collar of Screw according to Uniform Wear Theory
Coefficient of Friction for Screw Thread given Efficiency of Square Threaded Screw
Coefficient of Friction of Power Screw given Efficiency of Trapezoidal Threaded Screw
Coefficient of Friction of Power Screw given Effort in Lowering Load with Acme Threaded Screw
Coefficient of Friction of Power Screw given Effort in Moving Load with Acme Threaded Screw
Coefficient of Friction of Power Screw given Effort Required to Lift Load
Coefficient of Friction of Power Screw given Torque Required in Lifting Load with Acme Thread
Coefficient of Friction of Power Screw given Torque Required in Lowering Load with Acme Thread
Coefficient of Friction of Power Screw given Torque Required to Lift Load
Coefficient of Friction of Screw given Efficiency of Trapezoidal Threaded Screw
Coefficient of Friction of Screw given Effort for Trapezoidal Threaded Screw
Coefficient of Friction of Screw given Effort in Lowering Load
Coefficient of Friction of Screw given Torque Required in Lifting Load with Trapezoidal Thread
Coefficient of Friction of Screw given Torque Required in Lowering Load with Trapezoidal Thread
Coefficient of Friction of Screw Thread given Load
Coefficient of Friction of Screw Thread given Torque Required in Lowering Load
Collar Friction Torque for Screw according to Uniform Pressure Theory
Collar Friction Torque for Screw according to Uniform Wear Theory
Core Diameter of Power Screw
Core Diameter of Screw given Direct Compressive Stress
Core Diameter of Screw given Torsional Shear Stress
Core Diameter of Screw given Transverse Shear Stress in Screw
Core Diameter of Screw given Unit Bearing Pressure
Direct Compressive Stress in Screw
Efficiency of Acme Threaded Power Screw
Efficiency of Square Threaded Power Screw
Efficiency of Trapezoidal Threaded Screw
Effort Required in Lifting load using Power Screw
Effort Required in Lifting Load with Acme Threaded Screw
Effort Required in Lifting Load with Trapezoidal Threaded Screw
Effort Required in Lowering Load
Effort Required in Lowering Load with Acme Threaded Screw
Effort Required in Lowering Load with Trapezoidal Threaded Screw
Effort Required to Lift Load given Torque Required to Lift Load
External Torque required to raise Load given Efficiency
Helix Angle of Power Screw given Effort Required in Lifting Load with Acme Threaded Screw
Helix Angle of Power Screw given Effort Required in Lowering Load
Helix Angle of Power Screw given Effort Required to Lift Load
Helix Angle of Power Screw given Load and Coefficient of Friction
Helix Angle of Power Screw given Torque Required in Lifting Load with Acme Threaded Screw
Helix Angle of Power Screw given Torque Required in Lowering Load
Helix Angle of Power Screw given Torque Required in Lowering Load with Acme Threaded Screw
Helix Angle of Power Screw given Torque Required to Lift Load
Helix Angle of Screw given Effort Required in Lifting Load with Trapezoidal Threaded Screw
Helix Angle of Screw given Effort Required in Lowering Load with Trapezoidal Threaded Screw
Helix Angle of Screw given Torque Required in Lifting Load with Trapezoidal Threaded Screw
Helix Angle of Screw given Torque Required in Lowering Load with Trapezoidal Threaded Screw
Helix Angle of Thread
Lead of Screw given Helix angle
Lead of Screw given Overall Efficiency
Load on Power Screw given Effort Required in Lifting Load with Acme Threaded Screw
Load on power Screw given Effort Required in Lowering Load
Load on Power Screw given Effort Required in Lowering Load with Acme Threaded Screw
Load on Power Screw given Effort Required to Lift Load
Load on Power Screw given Torque Required in Lifting Load with Acme Threaded Screw
Load on power Screw given Torque Required in Lowering Load
Load on Power Screw given Torque Required in Lowering Load with Acme Threaded Screw
Load on Power Screw given Torque Required to Lift Load
Load on Screw given Collar Friction Torque according to Uniform Pressure Theory
Load on Screw given Collar Friction Torque according to Uniform Wear Theory
Load on Screw given Effort Required in Lifting Load with Trapezoidal Threaded Screw
Load on Screw given helix Angle
Load on Screw given Overall Efficiency
Load on Screw given Torque Required in Lifting Load with Trapezoidal Threaded Screw
Load on Screw given Torque Required in Lowering Load with Trapezoidal Threaded Screw
Maximum Efficiency of Square Threaded Screw
Mean Diameter of Power Screw
Mean Diameter of Power Screw given Torque Required in Lowering Load
Mean Diameter of Power Screw given Torque Required in Lowering Load with Acme Threaded Screw
Mean Diameter of Power Screw given Torque Required to Lift Load
Mean diameter of Screw given Helix Angle
Mean Diameter of Screw given Torque in Lifting Load with Trapezoidal Threaded Screw
Mean Diameter of Screw given Torque in Lowering Load with Trapezoidal Threaded Screw
Nominal Diameter of Power Screw
Nominal Diameter of Power Screw given Mean Diameter
Nominal Diameter of Screw given Transverse Shear Stress at Root of Nut
Nominal Diameter of Screw given Unit Bearing Pressure
Number of Threads in Engagement with Nut given Transverse Shear Stress
Number of Threads in Engagement with Nut given Transverse Shear Stress at Root of Nut
Number of Threads in Engagement with Nut given Unit Bearing Pressure
Overall Efficiency of Power Screw
Pitch of Power Screw
Pitch of Screw given Mean Diameter
Thread Thickness at Core Diameter of Screw given Transverse Shear Stress
Thread Thickness at Root of Nut given Transverse Shear Stress at Root of Nut
Torque Required in Lifting Load with Acme Threaded Power Screw
Torque Required in Lifting Load with Trapezoidal Threaded Screw
Torque Required in Lowering Load on Power Screw
Torque Required in Lowering Load with Acme Threaded Power Screw
Torque Required in Lowering Load with Trapezoidal Threaded Screw
Torque Required to Lift Load given Effort
Torque Required to Lift Load given Load
Torsional Moment in Screw given Torsional Shear Stress
Torsional Shear Stress of Screw
Transverse Shear Stress at Root of Nut
Transverse Shear Stress in Screw
Unit Bearing Pressure for Thread

Variables used in Power Screws PDF

  1. A Bearing area between screw and nut (Square Millimeter)
  2. d Nominal diameter of screw (Millimeter)
  3. dc Core diameter of screw (Millimeter)
  4. Di Inner Diameter of Collar (Millimeter)
  5. dm Mean Diameter of Power Screw (Millimeter)
  6. Do Outer Diameter of Collar (Millimeter)
  7. L Lead of Power Screw (Millimeter)
  8. Mtli Torque for lifting load (Newton Millimeter)
  9. Mtlo Torque for lowering load (Newton Millimeter)
  10. Mtt Torsional Moment on Screw (Newton Millimeter)
  11. p Pitch of power screw thread (Millimeter)
  12. Pli Effort in lifting load (Newton)
  13. Plo Effort in lowering load (Newton)
  14. R1 Outer Radius of Power Screw Collar (Millimeter)
  15. R2 Inner Radius of Power Screw Collar (Millimeter)
  16. Sb Unit bearing pressure for nut (Newton per Square Millimeter)
  17. t Thread Thickness (Millimeter)
  18. Tc Collar Friction Torque for Power Screw (Newton Millimeter)
  19. tn Transverse shear stress in nut (Newton per Square Millimeter)
  20. W Load on screw (Newton)
  21. Wa Axial load on screw (Newton)
  22. z Number of Engaged Threads
  23. α Helix angle of screw (Degree)
  24. η Efficiency of power screw
  25. ηmax Maximum Efficiency of Power Screw
  26. μ Coefficient of friction at screw thread
  27. μcollar Coefficient of Friction for Collar
  28. σc Compressive stress in screw (Newton per Square Millimeter)
  29. τ Torsional shear stress in screw (Newton per Square Millimeter)
  30. τs Transverse Shear Stress in Screw (Newton per Square Millimeter)

Constants, Functions and Measurements used in Power Screws PDF

  1. Constant: pi, 3.14159265358979323846264338327950288
    Archimedes' constant
  2. Function: atan, atan(Number)
    Inverse tan is used to calculate the angle by applying the tangent ratio of the angle, which is the opposite side divided by the adjacent side of the right triangle.
  3. Function: sec, sec(Angle)
    Secant is a trigonometric function that is defined ratio of the hypotenuse to the shorter side adjacent to an acute angle (in a right-angled triangle); the reciprocal of a cosine.
  4. Function: sin, sin(Angle)
    Sine is a trigonometric function that describes the ratio of the length of the opposite side of a right triangle to the length of the hypotenuse.
  5. Function: sqrt, sqrt(Number)
    A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number.
  6. Function: tan, tan(Angle)
    The tangent of an angle is a trigonometric ratio of the length of the side opposite an angle to the length of the side adjacent to an angle in a right triangle.
  7. Measurement: Length in Millimeter (mm)
    Length Unit Conversion
  8. Measurement: Area in Square Millimeter (mm²)
    Area Unit Conversion
  9. Measurement: Pressure in Newton per Square Millimeter (N/mm²)
    Pressure Unit Conversion
  10. Measurement: Force in Newton (N)
    Force Unit Conversion
  11. Measurement: Angle in Degree (°)
    Angle Unit Conversion
  12. Measurement: Torque in Newton Millimeter (N*mm)
    Torque Unit Conversion
  13. Measurement: Stress in Newton per Square Millimeter (N/mm²)
    Stress Unit Conversion

Free Power Screws PDF

Get Free Power Screws PDF for Download today. Examples are included after each Formula with a link to a live Calculator! All the Formulas and Calculators support Unit Conversion as well. This PDF features 103 calculators from Mechanical. Inside, you'll discover a list of formulas such as Helix Angle of Power Screw given Torque Required in Lifting Load with Acme Threaded Screw, Coefficient of Friction of Power Screw given Torque Required in Lifting Load with Acme Thread and 103 more formulas!. The Variables, Functions and Constants are summarized at the end. Explore and share Power Screws PDFs!

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