Основной каталог Kyocera 2021 - 2022 - страница 1065

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Unstable dimensionSurface roughness deteriorationHeatBurr, workpiece chip off and scuffingEdge damageChip control Change to harder grade Change to tougher grade Change to more thermal shock resistant grade Change to more welding resistant grade Vc f ap Tool path review Wet Dry Chipbreaker review Rake angle Corner-R(RE) Approach angle Edge strength / Honing G)Change to higher tolerance (M Toolholder rigidity Workpiece / Tool Installation Overhang length Power, rigidity Technical information Trouble shooting Turning Check item Insert grades Cutting conditions Tool geometry Setting Machine Coolant Countermeasures TroubleTroubleitem Higher (Larger) LargerLower (Smaller)Smaller Unsuitable insert tolerance Unstable workpiece dimension Tool and workpiece evacuation Flank wear increase Frequent offsetduring machining Unsuitable cutting conditions Built-up edge Poor cutting by tool wear Chipping 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 by cutting heat Unsuitable insert grades and tool geometry Unsuitable cutting conditions Burr Unsuitable insert grades and tool geometry Unsuitable cutting conditions Workpiece chip off Unsuitable insert grades and tool geometry R Unsuitable cutting conditions *2 Scuffing Unsuitable insert grades and tool geometry Flank wear Wear increase at relief Face, rake face Rake face wear Notching Notching Chipping Vibration, chattering Crack Unsuitable insert grades andcutting conditions Thermal crack Work hardness, unsuitable insertgrades and cutting conditions Edge nose deformation Edge nose deformation duringinterrupted machining Built-up edge Work hardness, unsuitable insertgrades and cutting conditions Unsuitable cutting conditions *3 Long, tangling chips 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