Основной каталог Kyocera 2021 - 2022 - страница 1065

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Trouble shooting Turning Check item Insert grades Cutting conditions Tool geometry Setting Machine Coolant Change to more thermal shock resistant grade Change to more welding resistant grade Edge strength / Honing Change to higher tolerance (M G) Countermeasures Approach angle Workpiece / Tool Installation Corner-R(RE) Rake angle Change to tougher grade Change to harder grade Chipbreaker review Toolholder rigidity Overhang length ap Tool path review Vc f Power, rigidity Wet Dry Trouble Higher (Larger) Larger Trouble Lower (Smaller) Smaller item Unsuitable insert tolerance Unstable workpiece dimension Tool and workpiece evacuation Unstable dimension Flank wear increase Frequent offset Unsuitable cutting conditions during machining Built-up edge Poor cutting by tool wear Chipping Surface roughness deterioration Welding, built-up edge Poor surface roughness Unsuitable cutting conditions Unsuitable tool geometry Vibration, chattering *1 Unsuitable cutting conditions Deterioration of accuracy or tool life Heat by cutting heat Unsuitable insert grades and tool geometry Unsuitable cutting conditions Burr Unsuitable insert grades and tool Burr, workpiece chip off and scuffing geometry Unsuitable cutting conditions Workpiece chip off Unsuitable insert grades and tool geometry *2 R Unsuitable cutting conditions Scuffing Unsuitable insert grades and tool geometry Flank wear Wear increase at relief Face, rake face Technical information Rake face wear Notching Notching Chipping Vibration, chattering Edge damage Unsuitable insert grades and Crack cutting conditions Work hardness, unsuitable insert Thermal crack grades and cutting conditions Edge nose deformation during Edge nose deformation interrupted machining Work hardness, unsuitable insert Built-up edge grades and cutting conditions Unsuitable cutting conditions *3 Long, tangling chips Chip control Unsuitable tool geometry Unsuitable cutting conditions Chips scattering Unsuitable tool geometry *1. To prevent chattering, the higher f may be suitable. *2. To prevent scuffing, the higher f may be suitable. *3. When using X chipbreaker insert for soft steel and low carbon steel, the higher Vc cuts chips short. R37