1096 Каталог KORLOY 2016 Металлорежущий инструмент и станочная оснастка ENG Стр.L29

Каталог KORLOY 2016 Инструмент и оснастка Стр. L29 1096 ENG Lab2u

Endmills Tool failure and trouble shooting Solutions Cutting condition Tool shape Grade etc Trouble Causes Cutting speed Feed Depth of cut Coolant Up cut’down cut Relief angle Lead angle Length of flute Number of flute Honing Chip pocket Toughness Hardness Machine rigidity Machine vibration Workpiece fixing Overhang Damage at cutting edge Excessive periphery cutting edge Improper cutting condition 4 t t Chipping Improper cutting condition Generating built up edge Weak tool rigidity Improper grade 4 4 4 t 4 t 4 Fracture during operation Improper cutting conditions Excessive cutting load Excessive overhang 4 4 4 t t t 4 Generating built-up edge t t t Poor surface finish Chattering 4 4 4 t 4 t 4 Poor straightness 4 4 t t 4 4 Poor machining precision (Machined size, Perpendicularity) Improper cutting conditions Improper tool shape t 4 4 4 t t 4 4 Bad chip evacuation Excessive cutting volume Improper chip pocket Improper cutting conditions 4 4 4 t Increase 4: Decrease :use Correct use Technical Information 29