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Contents of the Friction Devices PDF

List of 26 Friction Devices Formulas

Efficiency of Screw Jack when Screw Friction as well as Collar Friction Considered
Efficiency of Screw Jack when only Screw Friction is Considered
Force at Circumference of Screw given Helix Angle and Coefficient of Friction
Force at Circumference of Screw given Helix Angle and Limiting Angle
Force Required to Lower Load by Screw Jack given Weight of Load
Force Required to Lower Load by Screw Jack given weight of load and Limiting angle
Frictional Torque on Conical Pivot Bearing by Uniform Pressure
Frictional Torque on Conical Pivot Bearing by Uniform Wear
Frictional Torque on Flat Pivot Bearing by Uniform Pressure
Frictional Torque on Truncated Conical Pivot Bearing by Uniform Pressure
Helix Angle
Helix Angle for Multi-Threaded Screw
Helix Angle for Single Threaded Screw
Ideal Effort to Raise Load by Screw Jack
Lead of Screw
Maximum Efficiency of Screw Jack
Mean Radius of Collar
Pressure over Bearing Area of Flat Pivot Bearing
Torque Required to Overcome Friction at Collar
Torque Required to Overcome Friction between Screw and Nut
Torque Required to Overcome Friction between Screw and Nut while Lowering Load
Total Frictional Torque on Conical Pivot Bearing Considering Uniform Pressure
Total Frictional Torque on Conical Pivot Bearing Considering Uniform Wear when Slant Height of Cone
Total Frictional Torque on Flat Pivot Bearing Considering Uniform Wear
Total Frictional Torque on Truncated Conical Pivot Bearing Considering Uniform Wear
Total Vertical Load Transmitted to Conical Pivot Bearing for Uniform Pressure

Variables used in Friction Devices PDF

  1. C Circumference of Screw (Meter)
  2. d Mean Diameter of Screw (Meter)
  3. Ds Shaft Diameter (Meter)
  4. F Force Required (Newton)
  5. hs Slant Height (Meter)
  6. L Lead of Screw (Meter)
  7. n Number of Threads
  8. pi Pressure Intensity (Pascal)
  9. Po Ideal Effort (Newton)
  10. Ps Pitch (Meter)
  11. R Radius of Bearing Surface (Meter)
  12. r1 Outer Radius of Bearing Surface (Meter)
  13. R1 Outer Radius of Collar (Meter)
  14. r2 Inner Radius of Bearing Surface (Meter)
  15. R2 Inner Radius of Collar (Meter)
  16. Rc Mean Radius of Collar (Meter)
  17. T Total Torque (Newton Meter)
  18. W Weight (Kilogram)
  19. Wl Load (Newton)
  20. Wt Load Transmitted Over Bearing Surface (Newton)
  21. α Semi Angle of Cone (Degree)
  22. η Efficiency
  23. μc Coefficient of Friction For Collar
  24. μf Coefficient of Friction
  25. Φ Limiting Angle of Friction (Degree)
  26. ψ Helix Angle (Degree)

Constants, Functions and Measurements used in Friction Devices 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: cos, cos(Angle)
    Cosine of an angle is the ratio of the side adjacent to the angle to the hypotenuse of the triangle.
  4. Function: cosec, cosec(Angle)
    The cosecant function is a trigonometric function that is the reciprocal of the sine function.
  5. 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.
  6. 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.
  7. 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.
  8. Measurement: Length in Meter (m)
    Length Unit Conversion
  9. Measurement: Weight in Kilogram (kg)
    Weight Unit Conversion
  10. Measurement: Pressure in Pascal (Pa)
    Pressure Unit Conversion
  11. Measurement: Force in Newton (N)
    Force Unit Conversion
  12. Measurement: Angle in Degree (°)
    Angle Unit Conversion
  13. Measurement: Torque in Newton Meter (N*m)
    Torque Unit Conversion

Free Friction Devices PDF

Get Free Friction Devices 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 26 calculators from Mechanical. Inside, you'll discover a list of formulas such as Total Frictional Torque on Conical Pivot Bearing Considering Uniform Pressure, Frictional Torque on Conical Pivot Bearing by Uniform Pressure and 26 more formulas!. The Variables, Functions and Constants are summarized at the end. Explore and share Friction Devices PDFs!

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