946 Каталог KYOCERA 2016 Инструмент режущий станочный Пластины Резцы Фрезы Сверла Стр.R26

Каталог KYOCERA 2016 Режущий инструмент для станков Стр. R26 0946 Lab2u

Technical Information Trouble shooting Cutting Edges Figuration and Countermeasures Typical Cutting Edge Figuration Nose wear Notching Crater wear Plastic Deformation Crack from Wear Chipping Crack from Welding or Built-up Edge Mechanical Fracture Fracture from Thermal Crack Flaking Observation Deterioration of surface roughness and dimensional accuracy Burr formation Cutting force increase Chip control deterioration Surface finish deterioration (peeled surface) Workpiece dimension changes Crack at nose Surface finish's sudden deterioration Workpiece dimension changes Cutting force increase Surface roughness deterioration Surface finish deterioration Cutting force increase Sudden cracking Unstable tool life Cracking by heat cycle Possible in interrupted machining and milling Possible in hard materials machining Possible in machining with chattering Causes Too high Vc End of tool life Too high f and Vc Too high Vc Too high cutting load Inappropriate insert grade Too high Vc Too high f Chattering Lack of insert toughness Too low Vc Too high f and ap Chattering Too high Vc and f Lack of insert toughness Poor rigidity of toolholder Countermeasures Reduce Vc Change to higher wear resistant grade Sharper cutting performance Reduce Vc Change to higher heat resistant grade Reduce Vc Change to high speed type like Cermet or Al2O3 coated insert grade Change to harder grade Reduce f and ap Change the tool earlier Change to higher wear resistant grade Reduce f and ap Change to more rigid toolholder Change to tougher grade Increase Vc Improve sharp cutting performance (rake angle, chamfer) Change to tougher grade Enlarge chamfer Enlarge Corner-R(re) Change to more rigid toolholder Reduce f Reduce Vc Change to dry cutting Change to tougher grade (TiC-base ceramic to CBN.) Change to more rigid toolholder Change edge preparation R26