TROUBLE SHOOTING FOR END MILLING

Insert Grade SelectionCutting ConditionsStyle ofand theTDesi oolgnMa Instalchi latin oe nand of Tool
TroubleSolutions FactorsCoated ToolCutting Speed U Dop wFeed RateDepth of Cut nCutting Fluids Decrease Pick Feed Rate Down Cut Air Blow Increase Coolant Quantity Do Not Use Water- soluble Cutting Fluid Determine Dry or Wet CuttingHelix Angle Number of Flutes Up DowConcavity Angle of End Cutting Edge nTool DiameterImprove End Mill RigidityWider Chip PocketShorten Tool Overhang Tool Installation AccuracySpindle Collet Run-out AccuracyCollet Inspection and ExchangeIncrease Chuck Clamping Power Machine Stability, Rigidity
Non-coated insert is useda
Large wear t th ihlNot enough flutesa
a e perpera cutting edgeImproper cutting conditionsaa
Up cut millingDown Cut
LifeImproper cutting conditions
oolChippingFragile cutting edge fia
rt TInsufficient clamping forceaa
ShoPoor clamping rigiditya aaaa a
Improper cutting conditionsa
Breakage durinPoor end mill rigidityaa
g cuttingOverhang longer than necessaryaa
Chip packingaa
Vibration duringImproper cutting conditions Poor end mill rigidityaaa aaa
cuttingPoor clamping rigiditya aaaa a
Lare cuttin
g g da
nishPoor wall surfaceege wear Improper cutting conditionsaa
e FiroughnessChip jamminga a a Wet
rfacPoor bottom surfaceThe end cutting edge does not have a concave angleaaa
SuroughnessLarge pick feeda
oorLarge cutting edge weara
POut of verticalImproper cutting conditionsaa
Poor end mill rigiditya aaa
Poor surface finishImproper cutting conditionsaaa
i accuracyPoor clamping rigiditya aaaa a
BurrsBurr, work materialImproper cutting conditionsaa
ing /chippingLarge helix anglea
ChippQuick burrNotch wear occursa
Burr /formationImproper cutting conditionsaa
ontrolMetal removal too largeaa
Chip CChip packingLack of flute chip spaceaa