1045 Каталог KORLOY 2020 Инструмент и оснастка для станков по металлу Стр.G45

Каталог KORLOY 2020 Инструмент для станков по металлу Стр. G45 1045 Lab2u

Technical Information for TPDB-H Features of holder 4 hole cooling system Long tool life High helix angle Good chip evacuation and machinability High helix angle Good chip evacuation and machinability tpdb-h Competitor 4 Concentrated coolant injection on delicate cutting edge increases tool life O Grade selection PC340Q - Application of high hardness lubricative PVD coating technology with excellent resistance on wear, welding, and chipping - The special surface treatment improves chip evacuation and reduces wear on the rake surface and relief face - High hardness ultra-fine substrate ensures high rigidity of cutting edge and good chipping resistance O Performance evaluation Chip control Workpiece Carbon steel (SS400, SM490A) Cutti ng Drill dia.(mm) = 027, vc (m/min) = 80 cond it i o n s fn (mm/rev) = 0.2, ap (mm) = 30, wet Tools Inserts TPD270B-H (PC340Q) Holder TPDB270-32-4-H ft' ' ' f SS400 SM490A Wear resistance Workpiece Cutt i ng cond it i o n s Tools Workpiece Cutt i ng cond it i o n s Tools Carbon steel (SS400) Drill dia.(mm) = 022, vc (m/min) = 65 fn (mm/rev) = 0.25, ap (mm) = 30, wet Inserts TPD220B-H (PC340Q) Holder TPDB220-25-4-H Carbon steel (SM490A) Drill dia.(mm) = 027, vc (m/min) = 70 fn (mm/rev) = 0.25, ap (mm) = 30, wet Inserts TPD270B-H (PC340Q) Holder TPDB270-32-4-H SS400 SM490A Test result SS400 SM490A Normal wear and still usable Drills J. 45