Troubleshooting in Milling

TroubleOccurrencesCountermeasures
Too high feedReduce feed
Up millingChange down milling
ChippingSharp cutting edgeHoning at the cutting edge-chamfering or rounding if needed
ChatteringCheck spindle speed down
Too much overhangAdjust to minimize overhang
Unfixed chucking of EndmillCheck the precision of chuck and collet
High Cutting speedDecrease cutting speed
WLow feedIncrease feed
earUp millingDown milling
High-hardened work pieceChoosing special coating endmill
Too much cutting amountDecrease cutting amount
Tool BreakageHigh cutting forceFeed down; spindle speed up
Too much overhangAdjust to minimize overhang
ChatteringChange the cutting condition
Surface RoughnessGeneration of built-up edgeIncreasing cutting speed & Feed rate or down milling
high feed, low speedReduce feed & Increase speed
iIncorrect Numbers of fluteReplace more flutes Endmill
Accuracy of finished work pieceDeflection of ToolUsing big diameter tool & Minimize the overhang