Основной каталог Kyocera 2016-2017 - страница 948

Trouble shooting  Milling Check Item Insert Grades Cutting Conditions Tool Geometry Setting Machine Change to More Thermal Shock Resistant Grade Change to More Welding Resistant Grade Coolant Countermeasures Change to Harder Grade Change to Tougher Grade Vc fz ap Cutter Dia. Cutting Width Review Tool Path Review Insert with Chipbreaker Relief Angle Corner Angle Edge Strength / Honing No. of Inserts Chip pocket Wiper Edge (Relief Angle) Review Insert Runout Check Cutter Rigidity Workpiece / Tool Installation Overhang Length Power, Rigidity Usage of Mist Dry Trouble Higher (Larger)↑ Larger　 ↑ More↑ Larger↑ Trouble Item Lower (Smaller) ↓ Smaller　↓ Less↓ Smal e↓r Unsuitable Cutting Conditions ●↓ ● Flank Wear Increase Unsuitable Tool Geometry ● ●↑ ●↓ ● Unsuitable Cutting Conditions ●↓ ●↓ ●↓ ● Rake Face Wear Increase Unsuitable Tool Geometry ● ●↑ ●↑ ●↓ Edge Damage Unsuitable Cutting Conditions ●↓ ●↓ ● ● Chipping, Cracking Unsuitable Tool Geometry ● ●↓ ●↑ ●↑ ● ● ● ● ● ● Unsuitable Cutting Conditions ●↓ ●↓ ●↓ ● Edge Breakage by Thermal Shock Unsuitable Tool Geometry ● ●↑ ●↓ Unsuitable Cutting Conditions ●↑ ●↑ ● Built-up Edge Unsuitable Tool Geometry ● ●↑ ●↓ Unsuitable Cutting Conditions ●↑ ●↓ ●↓ ● Poor Surface Finish Unsuitable Tool Geometry ● ● ●↓ ●↓ ● ● ● ● ● Cutting Accuracy Unsuitable Cutting Conditions ●↓ ●↓ ●↓ ● ● Burr formation Unsuitable Tool Geometry ●↑ ●↓ ●↓ ● Unsuitable Cutting Conditions ●↓ ●↓ ● Workpiece Chip Off Unsuitable Tool Geometry ●↑ ●↑ ●↓ ●↑ ● Poor Planeness / Parallelness Tool and Workpiece Evacuation ●↓ ●↓ *5● ● ●↑ ●↓ ●↓ ●↓ ● ● ● ● ● ● Heavy Chattering, Vibration Unsuitable Cutting Conditions, ●↓ *1● *2● ● *4● ● ●↑ ●↓ ●↓ ●↓ ● ● ● ● Installation ↓ ↓ Others Unsuitable Cutting Conditions ●↑ *3● ● *6● ● Damaging Chips ↓ R Unsuitable Tool Geometry ● ●↑ ●↓ ●↑ *1) To prevent chattering, the higher fz may be suitable. *2) To prevent chattering, the larger ap may be suitable. *3) Higher fz may be suitable. Vc= π×Dm×n *4) Down-cut method is recommended for helical end milling. *5) If the surface is warped by cutting heat. Information *6) Compressed air is recommended. Technical R28