Trouble shooting for face milling Solution Factors Insert Grade Selection Cutting Conditions Style and Design of the Tool Machine Installation of T

Trouble shooting for face milling Solution Factors Insert Grade Selection Cutting Conditions Style and Design of the Tool Machine Installation of T

Trouble shooting for face milling Solution Factors Insert Grade Selection Cutting Conditions Style and Design of the Tool Machine Installation of Tool Select a harder grade Select a tougher grade Select a grade with better thermal shock resistance Select a grade with better adhesion resistance Cutting speed Feed Depth of cut Engage angle Coolant Rake Corner angle Honing strengthens the cutting edge Cutter diameter Number of teeth Wider chip pocket Use of a wiper insert Improve run-out accuracy Cutter rigidity Increase clamping rigidity of the tool and workpiece Decrease overhang Decrease power and machine backlash Do not use water-soluble cutting fluid Determine dry or wet cutting Up Down Up Down Smaller Larger Insert wear quickly generated Improper tool grade Improper cutting edge geometry o 2 M- Improper cutting speed 5 Wet Improper tool grade 0 c o Improper cutting conditions 2 o Chipping or fracturing of cutting edge Lack of cutting edge strength. . z Q Thermal crack occurs Dry Build-up edge occurs Wet Lack of rigidity -C (A Improper cutting conditions iZ Poor finished Welding occurs . Wet . 3 surface Poor run-out accuracy M 0 c .o 1 o ac Chattering i . Not parallel or irregular surface Workpiece bending Tool clearance +- a Large back force D) c a Chip thickness is too large Burrs Cutter diameter is too large E o chipping Low sharpness . a) o u a &. A large corner angle improper cutting conditions i Workpiece edge chipping Low sharpness L." k. 3 A small corner angle Chattering p Poor chip dispersal chip jamming and chip packing Welding occurs . -4- C a. Chip thickness is too thin Cutter diameter is too small a Poor chip disposal Wet Q012 TECHNICAL DATA TECHNICAL DATA Trouble