Основной каталог Kyocera 2021 - 2022 - страница 1067

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Навигация

Trouble shooting Drilling (Magic Drill series) Check item Insert grades Cutting conditions Tool geometry Setting Machine Inner edge's center height check Toolholder rigidity improvement (Short type) (Core dia. check) Workpiece / Tool installation Coolant discharge condition Change to tougher grade Change to harder grade Adjustable sleeve usage Countermeasures Chipbreaker review Insert installation Vc fz Power, rigidity Offset check Higher (Larger) Larger Trouble Lower (Smaller) Smaller Trouble item Unsuitable cutting speed (too high) Unsuitable cutting speed (too low) Unsuitable coolant discharge Unusual wear Poor rigidity of machine / workpiece *1 Small hole dia. Unsuitable insert grade No core, too small core Poor rigidity of machine / Edge damage workpiece Unstable drilling start Inner edge cracking High hardness workpiece Clogged chips Unstable insert installation Poor rigidity of machine / workpiece Unstable drilling start Outer edge cracking High hardness workpiece Poor chip control Unstable insert installation R Poor rigidity of machine / workpiece *1 Inaccurate tool installment Scratches on tool body Clogged chips Unstable drilling start Technical information Poor rigidity of machine / workpiece Poor rigidity of toolholder *1 Toolholder, others Inaccurate tool installment Poor hole dia. accuracy / Surface finish Clogged chips Large core dia. Unstable drilling start Unsuitable coolant discharge Large vibration / chattering Unsuitable cutting conditions, installation Unsuitable cutting conditions Long chips Unsuitable chipbreaker Machine failure Lack of machine power *1. For lathe operation R39