F83widia.com ⅷⅷpoor chip evacuation ⅷsplitting threads ⅷpremature topping ⅷⅷⅷⅷⅷbuilt-up on cutting edge ⅷⅷⅷⅷⅷ broken nose(after first pass) ⅷⅷⅷ broken nose(first pass) ⅷⅷchipped trailing edge ⅷⅷⅷchipped leading edge ⅷⅷⅷⅷⅷⅷshort tool life ⅷⅷⅷbur on crest ⅷⅷⅷⅷⅷⅷchatter problem possible solution Failure and Solution Guide Technical Information increase m/min reduce m/min increase chip load decrease chip load where failure occurs use tougher carbide grade use harder carbide grade apply coolant use coated carbide use topping insert change infeed angle check for insert movement and reseat reduce tool overhang reselect shim apply chipbreaker style reduce DOC adjust centre height begin cutting threads 12mm before workpiece change infeed method