Formula Used:
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Tool Feed Speed is the feed given against a workpiece per unit time in electrochemical machining processes. It represents the rate at which the tool advances toward the workpiece surface during the machining operation.
The calculator uses the formula:
Where:
Explanation: The formula calculates the optimal feed speed based on electrochemical machining parameters to maintain consistent material removal rate and machining quality.
Details: Accurate feed speed calculation is crucial for maintaining proper gap control, achieving desired surface finish, ensuring dimensional accuracy, and optimizing machining efficiency in electrochemical machining processes.
Tips: Enter all parameters with appropriate units. Current efficiency should be between 0-1. All values must be positive numbers. The calculator will compute the optimal feed speed in meters per second.
Q1: What is current efficiency in electrochemical machining?
A: Current efficiency is the ratio of the actual mass of material removed to the theoretical mass that should be removed according to Faraday's laws of electrolysis.
Q2: How does gap distance affect feed speed?
A: Smaller gap distances generally require slower feed speeds to maintain stable machining conditions and prevent short circuits between tool and workpiece.
Q3: What factors influence electrochemical equivalent?
A: Electrochemical equivalent depends on the workpiece material composition and valence of the metal ions involved in the electrochemical reaction.
Q4: Why is specific resistance of electrolyte important?
A: Electrolyte resistance affects current distribution and machining accuracy. Lower resistance electrolytes generally allow higher feed speeds.
Q5: How does workpiece density affect the calculation?
A: Higher density materials typically require slower feed speeds as more material mass needs to be removed per unit volume.