Calculate chip load per tooth from feed rate, spindle RPM, and flute count. Use it to check whether a milling tool is cutting a real chip instead of rubbing or overloading the edge.
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Request a Proposal →Chip load is one of the fastest ways to diagnose rubbing, chatter, premature wear, and overloaded carbide edges.
Chip load is the amount of material removed by each cutting edge on each spindle revolution, usually shown as mm/tooth or in/tooth.
Too little chip load causes rubbing and heat. Too much chip load can chip the cutting edge or overload the spindle.
Increase feed rate, reduce RPM, or reduce flute count. Always stay within the tool maker and machine limits.
Use this page to check whether your programmed feed rate gives each cutting edge a realistic chip thickness instead of rubbing or overloading the tool.
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Use the calculator freely. If the result points to a tooling or process problem, we can source the exact carbide tooling you need from vetted factories in China. Compare factory-direct pricing.