218 Каталог MITSUBISHI 2015 Токарный и вращающийся инструмент Инструментальные решения Стр.B012

Каталог MITSUBISHI 2015 Металлорежущий инструмент Стр. B012 0218 ENG Lab2u

CBN & PCD TURNING INSERTS CBN & PCD TURNING INSERTS CBN GROOVING SERIES (GY MG) ir FEATURES A combination with a high rigidity holder ensures high accuracy and long tool life. Holder rigidity is essential when grooving hardened steel. The GY series Tri Lock system offers high rigidity equivalent to a 1-piece type despite being a 2-piece type. MG has a wide insert location face for high gripping force. A combination with these holders allows it to deliver excellent performance when grooving hardened steel. Product line-up for different holder properties MG for narrow grooves and GY for general grooves are both lined up to allow selection of the most suitable tool. RECOMMENDED CUTTING CONDITIONS Feed (mm/rev) Work Material Hardness Grade Cutting Speed (m/min) Coolant Hardened Steel 35 65HRC MB8025 100 (60-120) DryWet CUTTING PERFORMANCE Tool life evaluation for the GY holder Number of passes Cutting Conditions Workpiece JIS SCM415 (HRC60) Depth of Cut 0.35mm Cutting Speed 120m/min Dry Cutting Feed 0.1 mm/rev APPLICATION EXAMPLE Insert GY1G0300F020N-GFGS (Grade MB8025) MGTR43200 (Grade MB8025) Workpiece B4 SNCM230H (HRC58 62) SCr420H (HRC61-65) Component Transmission shaft Transmission shaft Ui c 0 OXS 2 C 3 O uo Cutting Speed (m/min) 129 100 Feed (mm/rev) 0.1 0.05 Result MB8025 Previous coated grade 200 i 400 (pieces) Fracture 200 i 400 i .(pieces) GY achieves longer tool life without fracturing. MB8025 Previous coated grade 2.5 times longer tool life than the conventional insert. B012