Anshika Arya
National Institute Of Technology (NIT), Hamirpur
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11 Other formulas that you can solve using the same Inputs

Effort applied to move the body in downward direction on inclined plane considering friction
Effort required to move a body on inclined surface considering friction=Weight of body on which frictional force is applied*sin(Angle of inclination of the plane to the horizontal-Limiting angle of friction)/sin(Angle of effort -(Angle of inclination of the plane to the horizontal-Limiting angle of friction)) GO
Effort applied to move the body in upward direction on inclined plane considering friction
Effort required to move a body on inclined surface considering friction=(Weight*sin(Angle of inclination of the plane to the horizontal+Limiting angle of friction))/sin(Angle of effort -(Angle of inclination of the plane to the horizontal+Limiting angle of friction)) GO
Efficiency of inclined plane when effort applied to move the body in upward direction on inclined plane
Efficiency of inclined plane=(cot(Angle of inclination of the plane to the horizontal+Limiting angle of friction)-cot(Angle of effort ))/(cot(Angle of inclination of the plane to the horizontal)-cot(Angle of effort )) GO
Effort required to move the body down the plane neglecting friction
Effort required to move a body on inclined surface neglecting friction=(Weight*sin(Angle of inclination of the plane to the horizontal))/sin(Angle of effort -Angle of inclination of the plane to the horizontal) GO
Effort required to move the body up the plane neglecting friction
Effort required to move a body on inclined surface neglecting friction=(Weight*sin(Angle of inclination of the plane to the horizontal))/sin(Angle of effort -Angle of inclination of the plane to the horizontal) GO
Effort applied perpendicular to inclined plane to move the body in downward direction considering friction
Effort required to move a body on inclined surface considering friction=Weight of body on which frictional force is applied*tan(Angle of inclination of the plane to the horizontal-Limiting angle of friction) GO
Effort applied perpendicular to inclined plane to move the body in upward direction considering friction
Effort required to move a body on inclined surface considering friction=Weight of body on which frictional force is applied*tan(Angle of inclination of the plane to the horizontal+Limiting angle of friction) GO
Efficiency of inclined plane when effort applied parallel to move the body in upward direction on inclined plane
Efficiency of inclined plane=(sin(Angle of inclination of the plane to the horizontal)*cos(Limiting angle of friction))/sin(Angle of inclination of the plane to the horizontal+Limiting angle of friction) GO
Efficiency of inclined plane when effort applied horizontally to move the body in upward direction on inclined plane
Efficiency of inclined plane=tan(Angle of inclination of the plane to the horizontal)/tan(Angle of inclination of the plane to the horizontal+Limiting angle of friction) GO
Effort applied perpendicular to inclined plane to move the body in upward/downward direction neglecting friction
Effort required to move a body on inclined surface neglecting friction=Weight*tan(Angle of inclination of the plane to the horizontal) GO
Body Surface Area
Body Surface Area=0.007184*(Weight)^0.425*(Height)^0.725 GO

9 Other formulas that calculate the same Output

Efficiency of spiral gears
Efficiency =(cos(Spiral angles of gear teeth for gear 1+Angle of friction)*Pitch circle diameter of gear 2*Speed of gear 2)/(cos(Spiral angles of gear teeth for gear 1-Angle of friction)*Pitch circle diameter of gear 1*Speed of gear 1) GO
Efficiency of spiral gears
Efficiency =(cos(Spiral angles of gear teeth for gear 1+Angle of friction)*cos(Spiral angles of gear teeth for gear 1))/(cos(Spiral angles of gear teeth for gear 1-Angle of friction)*cos(Spiral angles of gear teeth for gear 1)) GO
Maximum efficiency of spiral gears
Efficiency =(cos(Shaft angle+Angle of friction)+1)/(cos(Shaft angle-Angle of friction)+1) GO
Maximum efficiency of screw a jack
Efficiency =(1-sin(Limiting angle of friction))/(1+sin(Limiting angle of friction)) GO
Efficiency of screw jack when only screw friction considered
Efficiency =tan(Helix Angle)/tan(Helix Angle+Limiting angle of friction) GO
Efficiency of transmission
Efficiency =(Total Head at Entrance-Head loss)/Total Head at Entrance GO
Mechanical Efficiency
Efficiency =Induced voltage*Armature Current/Angular Speed*Torque GO
Rotor Efficiency
Efficiency =Motor Speed/Synchronous Speed GO
Motor Efficiency Using Slip
Efficiency =1-Slip GO

Efficiency of screw jack when screw friction as well as collar friction considered Formula

Efficiency=(Weight*tan(Helix Angle)*Mean diameter of Screw)/((Weight of Load*tan(Helix Angle+Limiting angle of friction)*Mean diameter of Screw)+(Coefficient of friction for collar*Weight of Load*Mean radius of collar))
More formulas
Lead of Screw GO
Helix Angle GO
Helix Angle for single threaded screw GO
Helix Angle for multi-threaded screw GO
Force at circumference of the screw when weight of load, helix angle and coefficient of friction is known GO
Force at circumference of the screw when weight of load, helix angle and limiting angle is known GO
Mean radius of the collar GO
Torque required to overcome friction between screw and nut GO
Torque required to overcome friction at collar GO
Force required to lower the load by a screw jack when weight of load, helix angle and coefficient of friction is known GO
Force required to lower the load by a screw jack when weight of load, helix angle and limiting angle is known GO
Torque required to overcome friction between screw and nut(lowering load) GO
Torque required to overcome friction between screw and nut(lowering load) GO
Efficiency of screw jack when only screw friction considered GO
Ideal effort to raise the load by screw jack GO
Maximum efficiency of screw a jack GO
Pressure over bearing area of flat pivot bearing GO
Total frictional torque on flat pivot bearing considering uniform pressure GO
Total frictional torque on flat pivot bearing considering uniform wear GO
Total vertical load transmitted to conical pivot bearing (uniform pressure) GO
Total frictional torque on conical pivot bearing considering uniform pressure GO
Total frictional torque on conical pivot bearing considering uniform pressure when slant height of cone is given GO
Total frictional torque on conical pivot bearing considering uniform wear when slant height of cone GO
Total frictional torque on conical pivot bearing considering uniform wear GO
Total frictional torque on truncated conical pivot bearing considering uniform pressure GO
Total frictional torque on truncated conical pivot bearing considering uniform wear GO

What does efficiency mean?

Efficiency requires reducing the number of unnecessary resources used to produce a given output including personal time and energy. It is a measurable concept that can be determined using the ratio of useful output to total input.

What is a simple screw jack?

A screw jack is a simple machine. It is used to lift cars or heavy automobiles. It consists of a long screw rod which passes through a threaded block B and a handle . The distance between two consecutive thread is known as pitch of screw.

How to Calculate Efficiency of screw jack when screw friction as well as collar friction considered?

Efficiency of screw jack when screw friction as well as collar friction considered calculator uses Efficiency=(Weight*tan(Helix Angle)*Mean diameter of Screw)/((Weight of Load*tan(Helix Angle+Limiting angle of friction)*Mean diameter of Screw)+(Coefficient of friction for collar*Weight of Load*Mean radius of collar)) to calculate the Efficiency , Efficiency of screw jack when screw friction as well as collar friction considered is the quality or degree of being efficient. Efficiency and is denoted by n symbol.

How to calculate Efficiency of screw jack when screw friction as well as collar friction considered using this online calculator? To use this online calculator for Efficiency of screw jack when screw friction as well as collar friction considered, enter Weight (W), Limiting angle of friction (Φ), Helix Angle (α), Mean diameter of Screw (d), Weight of Load (W), Mean radius of collar (R) and Coefficient of friction for collar (μ) and hit the calculate button. Here is how the Efficiency of screw jack when screw friction as well as collar friction considered calculation can be explained with given input values -> 0.234393 = (60*tan(30)*12)/((50*tan(30+40)*12)+(0.5*50*5)).

FAQ

What is Efficiency of screw jack when screw friction as well as collar friction considered?
Efficiency of screw jack when screw friction as well as collar friction considered is the quality or degree of being efficient and is represented as n=(W*tan(α)*d)/((W*tan(α+Φ)*d)+(μ*W*R)) or Efficiency=(Weight*tan(Helix Angle)*Mean diameter of Screw)/((Weight of Load*tan(Helix Angle+Limiting angle of friction)*Mean diameter of Screw)+(Coefficient of friction for collar*Weight of Load*Mean radius of collar)). Weight is a body's relative mass or the quantity of matter contained by it, Limiting angle of friction is defined as the angle which the resultant reaction (R) makes with the normal reaction (RN), Helix Angle denotes the standard pitch circle unless otherwise specified. Application of the helix angle typically employs a magnitude ranging from 15° to 30° for helical gears, with 45° capping the safe operation limit, Mean diameter of Screw is the distance from the outer thread on one side to the outer thread on the other side, Weight of Load is the weight of body lifted by screw jack, Mean radius of collar is the mean of inner and outer radius of collar and Coefficient of friction for collar is the ratio defining the force that resists the motion of one body in relation to another body in contact with it.
How to calculate Efficiency of screw jack when screw friction as well as collar friction considered?
Efficiency of screw jack when screw friction as well as collar friction considered is the quality or degree of being efficient is calculated using Efficiency=(Weight*tan(Helix Angle)*Mean diameter of Screw)/((Weight of Load*tan(Helix Angle+Limiting angle of friction)*Mean diameter of Screw)+(Coefficient of friction for collar*Weight of Load*Mean radius of collar)). To calculate Efficiency of screw jack when screw friction as well as collar friction considered, you need Weight (W), Limiting angle of friction (Φ), Helix Angle (α), Mean diameter of Screw (d), Weight of Load (W), Mean radius of collar (R) and Coefficient of friction for collar (μ). With our tool, you need to enter the respective value for Weight, Limiting angle of friction, Helix Angle, Mean diameter of Screw, Weight of Load, Mean radius of collar and Coefficient of friction for collar and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Efficiency ?
In this formula, Efficiency uses Weight, Limiting angle of friction, Helix Angle, Mean diameter of Screw, Weight of Load, Mean radius of collar and Coefficient of friction for collar. We can use 9 other way(s) to calculate the same, which is/are as follows -
  • Efficiency =Motor Speed/Synchronous Speed
  • Efficiency =1-Slip
  • Efficiency =Induced voltage*Armature Current/Angular Speed*Torque
  • Efficiency =tan(Helix Angle)/tan(Helix Angle+Limiting angle of friction)
  • Efficiency =(1-sin(Limiting angle of friction))/(1+sin(Limiting angle of friction))
  • Efficiency =(cos(Shaft angle+Angle of friction)+1)/(cos(Shaft angle-Angle of friction)+1)
  • Efficiency =(cos(Spiral angles of gear teeth for gear 1+Angle of friction)*cos(Spiral angles of gear teeth for gear 1))/(cos(Spiral angles of gear teeth for gear 1-Angle of friction)*cos(Spiral angles of gear teeth for gear 1))
  • Efficiency =(cos(Spiral angles of gear teeth for gear 1+Angle of friction)*Pitch circle diameter of gear 2*Speed of gear 2)/(cos(Spiral angles of gear teeth for gear 1-Angle of friction)*Pitch circle diameter of gear 1*Speed of gear 1)
  • Efficiency =(Total Head at Entrance-Head loss)/Total Head at Entrance
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