Общий каталог Harlingen 2024 - страница 107

INDEXABLE TURNING TOOLS TECHNICAL INFORMATION Insert Failure Mode Guide Problem /Failure Mode Cause Control Action / Remedy Built-up Edge,Tom Finish Chip Welding •Increase cutting speed and feed rate. •Low cutting speed . •Low feed rate. •Select more positive rake chipbreaker. •Select tougher grade( use PVD coated insert). •Flood cutting zone with coolant. •Poor shearing action. Fracture •Reduce feed rate. •Improper selection of grade/ chipbreaker and /or cutting conditions. •Select tougher grade. •Select stronger chipbreaker. •make sure set-up is as rigid as possible. Thermal Cracking •Extreme variation in cutting temperatures. •Interrupted cut. •Reduce feed rate. •Increase cutting speed. •Select stronger chipbreaker. www. harlingentools . com 106