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Feed Force Formula

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Feed force refers to the force exerted on the cutting tool perpendicular to its direction of motion as it advances along the workpiece surface. Check FAQs
Ff=Ft⋅cos(ψ)
Ff - Feed Force?Ft - Thrust Force?ψ - Side Cutting Edge Angle?

Feed Force Example

With values
With units
Only example

Here is how the Feed Force equation looks like with Values.

Here is how the Feed Force equation looks like with Units.

Here is how the Feed Force equation looks like.

3.5943Edit=6.29Edit⋅cos(0.9626Edit)
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HomeIcon Home » Category Engineering » Category Production Engineering » Category Metal Cutting » fx Feed Force

Feed Force Solution

Follow our step by step solution on how to calculate Feed Force?

FIRST Step Consider the formula
Ff=Ft⋅cos(ψ)
Next Step Substitute values of Variables
∴ Ff=6.29N⋅cos(0.9626rad)
Next Step Prepare to Evaluate
∴ Ff=6.29⋅cos(0.9626)
Next Step Evaluate
∴Ff=3.59428530177086N
LAST Step Rounding Answer
∴Ff=3.5943N

Feed Force Formula Elements

Variables
Functions
Feed Force
Feed force refers to the force exerted on the cutting tool perpendicular to its direction of motion as it advances along the workpiece surface.
Symbol: Ff
Measurement: ForceUnit: N
Note: Value should be greater than 0.
Formulas to find Feed ForceOpen Variable
Thrust Force
Thrust force refers to the force exerted on the cutting tool in the direction parallel to the tool's axis of rotation.
Symbol: Ft
Measurement: ForceUnit: N
Note: Value should be greater than 0.
Formulas to find Thrust ForceOpen Variable
Side Cutting Edge Angle
Side cutting edge angle refers to the angle formed between the side cutting edge of the tool and a line perpendicular to the workpiece surface.
Symbol: ψ
Measurement: AngleUnit: rad
Note: Value should be greater than 0.
Formulas to find Side Cutting Edge AngleOpen Variable
cos
Cosine of an angle is the ratio of the side adjacent to the angle to the hypotenuse of the triangle.
Syntax: cos(Angle)

Other formulas in Geometry of Turning Process category

​Go Uncut Chip Thickness
t1=f⋅cos(ψ)
​Go Machine Feed
f=t1cos(ψ)
​Go Cutting Speed
Vc=π⋅di⋅N
​Go Number of Jobs Revolution per Unit Time
N=Vcπ⋅di

How to Evaluate Feed Force?

Feed Force evaluator uses Feed Force = Thrust Force*cos(Side Cutting Edge Angle) to evaluate the Feed Force, Feed force, also known as thrust force or axial force, is one of the three primary forces acting on a cutting tool during a metal cutting operation. It acts in the direction of the feed motion, pushing the tool into the workpiece. Understanding feed force is crucial for optimizing cutting conditions, ensuring tool longevity, and achieving desired surface finish and dimensional accuracy. Feed Force is denoted by Ff symbol.

How to evaluate Feed Force using this online evaluator? To use this online evaluator for Feed Force, enter Thrust Force (Ft) & Side Cutting Edge Angle (ψ) and hit the calculate button.

FAQs on Feed Force

What is the formula to find Feed Force?
The formula of Feed Force is expressed as Feed Force = Thrust Force*cos(Side Cutting Edge Angle). Here is an example- 1.07797 = 6.29*cos(0.9625508278).
How to calculate Feed Force?
With Thrust Force (Ft) & Side Cutting Edge Angle (ψ) we can find Feed Force using the formula - Feed Force = Thrust Force*cos(Side Cutting Edge Angle). This formula also uses Cosine (cos) function(s).
Can the Feed Force be negative?
No, the Feed Force, measured in Force cannot be negative.
Which unit is used to measure Feed Force?
Feed Force is usually measured using the Newton[N] for Force. Exanewton[N], Meganewton[N], Kilonewton[N] are the few other units in which Feed Force can be measured.
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