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Feed Speed in Milling Formula:
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Feed Speed in Milling refers to the rate at which the workpiece is fed against the cutting tool per unit time. It is a critical parameter that affects machining efficiency, surface finish, and tool life in milling operations.
The calculator uses the formula:
Where:
Explanation: The feed speed is calculated by multiplying the feed rate per revolution by the frequency of reciprocating strokes.
Details: Proper feed speed calculation is essential for optimizing machining processes, ensuring dimensional accuracy, achieving desired surface finish, and maximizing tool life in milling operations.
Tips: Enter feed rate in meters per revolution and reciprocating strokes frequency in Hertz. Both values must be positive numbers greater than zero.
Q1: What is the difference between feed rate and feed speed?
A: Feed rate refers to the distance the tool travels per revolution, while feed speed is the linear velocity at which the workpiece is fed against the tool.
Q2: How does feed speed affect surface finish?
A: Higher feed speeds generally result in rougher surface finishes, while lower feed speeds produce smoother surfaces but may reduce machining efficiency.
Q3: What factors influence the optimal feed speed?
A: Material properties, tool geometry, cutting depth, machine capability, and desired surface finish all influence the optimal feed speed selection.
Q4: Can feed speed be too high?
A: Yes, excessive feed speed can cause tool breakage, poor surface finish, dimensional inaccuracies, and accelerated tool wear.
Q5: How is feed speed related to material removal rate?
A: Feed speed directly affects material removal rate - higher feed speeds generally result in higher material removal rates, but must be balanced with other machining parameters.