1773 Каталог MITSUBISHI 2020 Режущий инструмент Фрезы Резцы Сверла Пластины Стр.R021

Каталог MITSUBISHI 2020 Режущий инструмент для станков Стр. R021 1773 Lab2u

TROUBLE SHOOTING FOR FACE MILLING \\ Solution 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 Trouble \ Factors \ Up / Down \ Up/ Down \ Smaller Larger Insert wear quickly generated Improper tool grade £ Improper cutting edge geometry ; i i o £ M Improper cutting speed 5 Wet Improper tool grade c o Improper cutting conditions -4 ' TO ft- o Chipping or fracturing of cutting edge Lack of cutting edge strength. . (U Thermal crack occurs Dry 0) Q Build-up edge occurs / / Wet Lack of rigidity /) Improper cutting conditions Ll. D Poor finished Welding occurs . Wet . 2 3 surface Poor run-out accuracy CO M o c o Q Chattering i . Not parallel or irregular surface Workpiece bending / O u Tool clearance u a Large back force / CT c '5. Chip thickness is too large i Burrs, Cutter diameter Is too large / E n chipping Low sharpness . u o a) '5. A large corner angle Improper cutting conditions 1 Workpiece Low sharpness i r i 3 m chipping A small corner angle / Chattering . . o Poor chip dispersal, chip jamming and chip packing Welding occurs . c o a a. Chip thickness is too thin / / Cutter diameter is too small £ a Poor chip disposal Wet R021 TECHNICAL DATA