Feed Force Calculator

✖Thrust force refers to the force exerted on the cutting tool in the direction parallel to the tool's axis of rotation.ⓘ Thrust Force [F_t]			+10% -10%
✖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.ⓘ Side Cutting Edge Angle [ψ]			+10% -10%

✖Feed force refers to the force exerted on the cutting tool perpendicular to its direction of motion as it advances along the workpiece surface.ⓘ Feed Force [F_f]

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Formula

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Feed Force

Formula

`"F"_{"f"} = "F"_{"t"}*cos("ψ")`

Example

`"3.594285N"="6.29N"*cos("0.9625508278rad")`

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Feed Force Solution

STEP 0: Pre-Calculation Summary

Formula Used

Feed Force = Thrust Force*cos(Side Cutting Edge Angle)
F_f = F_t*cos(ψ)
This formula uses 1 Functions, 3 Variables

Functions Used

cos - Cosine of an angle is the ratio of the side adjacent to the angle to the hypotenuse of the triangle., cos(Angle)

Variables Used

Feed Force - (Measured in Newton) - Feed force refers to the force exerted on the cutting tool perpendicular to its direction of motion as it advances along the workpiece surface.
Thrust Force - (Measured in Newton) - Thrust force refers to the force exerted on the cutting tool in the direction parallel to the tool's axis of rotation.
Side Cutting Edge Angle - (Measured in Radian) - 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.

STEP 1: Convert Input(s) to Base Unit

Thrust Force: 6.29 Newton --> 6.29 Newton No Conversion Required
Side Cutting Edge Angle: 0.9625508278 Radian --> 0.9625508278 Radian No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

F_f = F_t*cos(ψ) --> 6.29*cos(0.9625508278)

Evaluating ... ...

F_f = 3.59428530177086

STEP 3: Convert Result to Output's Unit

3.59428530177086 Newton --> No Conversion Required

FINAL ANSWER

3.59428530177086 ≈ 3.594285 Newton <-- Feed Force

(Calculation completed in 00.004 seconds)

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Home » Engineering » Production Engineering » Metal Cutting » Geometry of Turning Process » Feed Force

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Created by Maiarutselvan V

PSG College of Technology (PSGCT), Coimbatore

Maiarutselvan V has created this Calculator and 300+ more calculators!

Verified by Anshika Arya

National Institute Of Technology (NIT), Hamirpur

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< 10+ Geometry of Turning Process Calculators

Side Rake Angle for Orthogonal Cutting

Go Side Rake Angle = atan((tan(Back Rake Angle)*cos(Side Cutting Edge Angle))/(sin(Side Cutting Edge Angle)))

Back Rake Angle for Orthogonal Cutting

Go Back Rake Angle = atan(tan(Side Rake Angle)*tan(Side Cutting Edge Angle))

Number of Jobs Revolution per Unit Time

Go Number of Revolutions = Cutting Speed/(pi*Initial Diameter of Workpiece)

Initial Diameter of Job in Turning

Go Initial Diameter of Workpiece = Cutting Speed/(pi*Number of Revolutions)

Cutting Speed

Go Cutting Speed = pi*Initial Diameter of Workpiece*Number of Revolutions

Side Cutting Edge Angle for Orthogonal Cutting

Go Side Cutting Edge Angle = acos(Depth of Cut/Cutting Width)

Uncut Chip Thickness

Go Uncut Chip Thickness = Feed*cos(Side Cutting Edge Angle)

Machine Feed

Go Feed = Uncut Chip Thickness/cos(Side Cutting Edge Angle)

Radial Force

Go Radial Force = Thrust Force*sin(Side Cutting Edge Angle)

Feed Force

Go Feed Force = Thrust Force*cos(Side Cutting Edge Angle)

Feed Force Formula

Feed Force = Thrust Force*cos(Side Cutting Edge Angle)
F_f = F_t*cos(ψ)

Factors Affecting Feed Force

1)Feed Rate: Increasing the feed rate generally increases the feed force due to the higher material removal rate.
2)Depth of Cut: A deeper cut increases the volume of material being removed, thus increasing the feed force.
3)Workpiece Material: Harder or tougher materials typically generate higher feed forces.
4)Tool Geometry: The rake angle, clearance angle, and edge radius of the cutting tool affect the feed force. For example, a positive rake angle usually reduces the feed force.
5)Cutting Speed: Higher cutting speeds can sometimes reduce feed force due to thermal softening of the workpiece material, but this is not always the case.
6)Tool Wear: As the tool wears, the cutting edge degrades, leading to increased friction and higher feed forces.

How to Calculate Feed Force?

Feed Force calculator uses Feed Force = Thrust Force*cos(Side Cutting Edge Angle) to calculate 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 F_f symbol.

How to calculate Feed Force using this online calculator? To use this online calculator for Feed Force, enter Thrust Force (F_t) & Side Cutting Edge Angle (ψ) and hit the calculate button. Here is how the Feed Force calculation can be explained with given input values -> 1.07797 = 6.29*cos(0.9625508278).

FAQ

What is 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 and is represented as F_f = F_t*cos(ψ) or Feed Force = Thrust Force*cos(Side Cutting Edge Angle). Thrust force refers to the force exerted on the cutting tool in the direction parallel to the tool's axis of rotation & 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.

How to calculate 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 is calculated using Feed Force = Thrust Force*cos(Side Cutting Edge Angle). To calculate Feed Force, you need Thrust Force (F_t) & Side Cutting Edge Angle (ψ). With our tool, you need to enter the respective value for Thrust Force & Side Cutting Edge Angle and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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