Effort Required in Lowering Load with Trapezoidal Threaded Screw Formula

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Effort in lowering load is the force required to overcome the resistance to lower the load. Check FAQs
Plo=W(μsec((0.2618))-tan(α)1+μsec((0.2618))tan(α))
Plo - Effort in lowering load?W - Load on screw?μ - Coefficient of friction at screw thread?α - Helix angle of screw?

Effort Required in Lowering Load with Trapezoidal Threaded Screw Example

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Here is how the Effort Required in Lowering Load with Trapezoidal Threaded Screw equation looks like with Values.

Here is how the Effort Required in Lowering Load with Trapezoidal Threaded Screw equation looks like with Units.

Here is how the Effort Required in Lowering Load with Trapezoidal Threaded Screw equation looks like.

128.6305Edit=1700Edit(0.15Editsec((0.2618))-tan(4.5Edit)1+0.15Editsec((0.2618))tan(4.5Edit))
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Effort Required in Lowering Load with Trapezoidal Threaded Screw Solution

Follow our step by step solution on how to calculate Effort Required in Lowering Load with Trapezoidal Threaded Screw?

FIRST Step Consider the formula
Plo=W(μsec((0.2618))-tan(α)1+μsec((0.2618))tan(α))
Next Step Substitute values of Variables
Plo=1700N(0.15sec((0.2618))-tan(4.5°)1+0.15sec((0.2618))tan(4.5°))
Next Step Convert Units
Plo=1700N(0.15sec((0.2618))-tan(0.0785rad)1+0.15sec((0.2618))tan(0.0785rad))
Next Step Prepare to Evaluate
Plo=1700(0.15sec((0.2618))-tan(0.0785)1+0.15sec((0.2618))tan(0.0785))
Next Step Evaluate
Plo=128.630484214521N
LAST Step Rounding Answer
Plo=128.6305N

Effort Required in Lowering Load with Trapezoidal Threaded Screw Formula Elements

Variables
Functions
Effort in lowering load
Effort in lowering load is the force required to overcome the resistance to lower the load.
Symbol: Plo
Measurement: ForceUnit: N
Note: Value should be greater than 0.
Load on screw
Load on screw is defined as the weight (force) of the body that is acted upon the screw threads.
Symbol: W
Measurement: ForceUnit: N
Note: Value should be greater than 0.
Coefficient of friction at screw thread
Coefficient of friction at screw thread is the ratio defining the force that resists the motion of the nut in relation to the threads in contact with it.
Symbol: μ
Measurement: NAUnit: Unitless
Note: Value should be between 0 to 1.
Helix angle of screw
Helix angle of screw is defined as the angle subtended between this unwound circumferential line and the pitch of the helix.
Symbol: α
Measurement: AngleUnit: °
Note: Value should be greater than 0.
tan
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.
Syntax: tan(Angle)
sec
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.
Syntax: sec(Angle)

Other formulas in Trapezoidal Thread category

​Go Effort Required in Lifting Load with Trapezoidal Threaded Screw
Pli=W(μsec((0.2618))+tan(α)1-μsec((0.2618))tan(α))
​Go Load on Screw given Effort Required in Lifting Load with Trapezoidal Threaded Screw
W=Pliμsec((0.2618))+tan(α)1-μsec((0.2618))tan(α)
​Go Helix Angle of Screw given Effort Required in Lifting Load with Trapezoidal Threaded Screw
α=atan(Pli-Wμsec(0.2618)W+(Pliμsec(0.2618)))
​Go Coefficient of Friction of Screw given Effort for Trapezoidal Threaded Screw
μ=Pli-(Wtan(α))sec(0.2618)(W+Plitan(α))

How to Evaluate Effort Required in Lowering Load with Trapezoidal Threaded Screw?

Effort Required in Lowering Load with Trapezoidal Threaded Screw evaluator uses Effort in lowering load = Load on screw*((Coefficient of friction at screw thread*sec((0.2618))-tan(Helix angle of screw))/(1+Coefficient of friction at screw thread*sec((0.2618))*tan(Helix angle of screw))) to evaluate the Effort in lowering load, The Effort Required in Lowering Load with Trapezoidal Threaded Screw formula is defined as the amount of force that is to be applied to lower the load and this force is transmitted as a torque. Effort in lowering load is denoted by Plo symbol.

How to evaluate Effort Required in Lowering Load with Trapezoidal Threaded Screw using this online evaluator? To use this online evaluator for Effort Required in Lowering Load with Trapezoidal Threaded Screw, enter Load on screw (W), Coefficient of friction at screw thread (μ) & Helix angle of screw (α) and hit the calculate button.

FAQs on Effort Required in Lowering Load with Trapezoidal Threaded Screw

What is the formula to find Effort Required in Lowering Load with Trapezoidal Threaded Screw?
The formula of Effort Required in Lowering Load with Trapezoidal Threaded Screw is expressed as Effort in lowering load = Load on screw*((Coefficient of friction at screw thread*sec((0.2618))-tan(Helix angle of screw))/(1+Coefficient of friction at screw thread*sec((0.2618))*tan(Helix angle of screw))). Here is an example- 128.6305 = 1700*((0.15*sec((0.2618))-tan(0.0785398163397301))/(1+0.15*sec((0.2618))*tan(0.0785398163397301))).
How to calculate Effort Required in Lowering Load with Trapezoidal Threaded Screw?
With Load on screw (W), Coefficient of friction at screw thread (μ) & Helix angle of screw (α) we can find Effort Required in Lowering Load with Trapezoidal Threaded Screw using the formula - Effort in lowering load = Load on screw*((Coefficient of friction at screw thread*sec((0.2618))-tan(Helix angle of screw))/(1+Coefficient of friction at screw thread*sec((0.2618))*tan(Helix angle of screw))). This formula also uses Tangent (tan), Secant (sec) function(s).
Can the Effort Required in Lowering Load with Trapezoidal Threaded Screw be negative?
No, the Effort Required in Lowering Load with Trapezoidal Threaded Screw, measured in Force cannot be negative.
Which unit is used to measure Effort Required in Lowering Load with Trapezoidal Threaded Screw?
Effort Required in Lowering Load with Trapezoidal Threaded Screw is usually measured using the Newton[N] for Force. Exanewton[N], Meganewton[N], Kilonewton[N] are the few other units in which Effort Required in Lowering Load with Trapezoidal Threaded Screw can be measured.
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