Краткий справочник по резанию материалов на металлообрабатывающих станках TECHNICAL DATA

Краткий справочник по резанию материалов на металлообрабатывающих станках TECHNICAL DATA

Краткий справочник по резанию материалов на металлообрабатывающих станках TECHNICAL DATA _ TROUBLE SHOOTING FOR TURNING Solution Trouble \ \ 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 Coolant Select chip breaker Rake Corner radius Lead angle Honing strengthens the cutting edge Class of insert Improve tool holder rigidity Increase clamping rigidity of the tool and workpiece Decrease holder overhang Decrease power and machine backlash Do not use water-soluble cutting fluid Determine dry or wet cutting Up/ Down\ Up/ Down \ Improper tool grade Insert wear quickly generated Improper cutting edge geometry / / £ Li o 2 Improper cutting speed / Wet Improper tool grade o E O Improper cutting conditions 2 o 'C p. Chipping or fracturing of cutting edge Lack of cutting edge strength. / / 9) a Thermal crack occurs Dry Build-up edge occurs / Wet Lack of rigidity 9) a Dimensions are not constant Poor insert accuracy c 2 V £ M o Large cutting resistance and cutting edge flank Necessary to adjust often Improper tool grade o because of over-size Improper cutting conditions O £ = £ O c Welding occurs / Wet 2 oi c ra Poor finished surface Improper cutting edge geometry / “1 ( Q W Chattering E .2 -4-< 10 m a) Workpiece over heating can cause poor accuracy and short life of insert Improper cutting conditions \ 0) £Z r a> O o Improper cutting edge geometry / Mitsubishi Materials 1971 TECHNICAL DATA