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DR-50/DR-450 Application Examples

CBN Machinining Cast Iron - Finishing with DR-50

Component: Compressor Flange
Machine Tool: Makino Horizontal Machining Center
Material: Grade 17 Grey Cast Iron
Operation: Face Milling and Fly Cutting
Depth of Cut: 0.2 mm
Insert: CNMA 120412T DE DR-50 (CNMA 432)
Surface Speed: 800 m/min (2670 ft/min) cutting without coolant
Feed Rate: 0.1 mm/rev (0.004″/rev)
Surface Finish: Must be better than 0.8 Ra (32 Cla)
Tool Life: Average 300 minutes contact
Component: Compressor Body
Machine Tool: Making Horizontal Machining Center
Material: Grade 17 Grey Cast Iron
Operation: Boring and Interrupted cutting - Figure of 8 Bores
Depth of Cut: 0.25 mm
Insert: TCMW 16T307T CE DR-50
Surface Speed: 800 m/min (2670 ft/min) cutting without coolant
Feed Rate: 0.1 mm/rev (0.004″/rev)
Surface Finish: Must be better than 0.8 Ra (32 Cla)
Tool Life: Average 300 minutes contact
Comments: Consistent squareness, roundness and surface finish
Component: Printing Press Frame
Machine Tool: Segan Boring Machine
Material: Grade 17 Grey Cast Iron
Operation: Boring
Depth of Cut: 0.25 mm
Insert: TCMW 16T308T CE DR-50
Surface Speed: 800 m/min (2670 ft/min) cutting without coolant
Feed Rate: 0.1 mm/rev (0.004″/rev)
Surface Finish: Must be better than 0.8 Ra (32 Cla)
Tool Life: Average 300 minutes contact
Comments: Consistent squareness, roundness and surface finish