Общий каталог Sumitomo 2019 - 2020 - страница 886

DrillingSolidIndexableIndexableHead TypeInsert TypeReamersBrazedOthers MultiDrill Series MDM Type ■ General Features ● Newly developed oil hole shape with excellent cooling performance achieves longer tool life. J ● Effective cooling of the cutting edge created through fluid analysis.Reduces adhesion breakage. ● Chip control and work hardening problems resolved, all in one. ● Outstanding stability in machining of stainless steel and exotic alloys. ■ Features and Applications ● Greater discharge of coolant for effective cooling of the cutting edge. *Suitable for drill diameters of ø4.1 or larger Newly developed bean-shaped oil hole supplies coolant on cutting edge for effective cooling of the cutting edge Discharge MDM Type Conventional Tool 2x or more The secret is in the concave areas! ● New technology created through fluid analysis for effective cooling of the cutting edge Area with low ow rate Oil hole of MDM Type Oil hole of conventional tool Analysed at tool rotation speed of 3,200min-1 Low ow rate High ow rate ● Significantly reduces adhesion on the cutting edge, preventing adhesion breakage MDM Type Competitor's Product Work Material : SUS304 Machine : BT30 vertical machining centre Tool : MDM 0800S08H05 (ø8mmx5D) Cutting Conditions : v c=80m/min, f=0.25mm/rev, H=40mm (through), internal coolant supply (water soluble) Drilling Distance : 40m Minimal adhesion, able to continue Adhesion breakage in outer edge J26