Info

Cress-Cut High Speed Steel Roughing Cutter l

Roughing: 4 in.3/min Finishing: 1 in.3/min Roughing: 4 in.3/min Roughing: 2 in.3/min Finishing: 0.1 in.3/min

Fig. 4.29. Titanium Machining Improvements Due to Cutter Design

Fig. 4.29. Titanium Machining Improvements Due to Cutter Design

Path of Cut

Conventional Milling

Path of Cut

Conventional Milling

Fig. 4.30. Conventional and Climb Milling

Climb Milling

increase tool life by reducing pressure and deflection. Rigid machine tools and set-ups are necessary along with flood cooling. Although few improvements have been realized for machining titanium, recent work28 shows that productivity improvements can be realized if the effort is expended to scientifically analyze the process and cutting tools, as shown for the roughing and finishing cuts shown in Figures 4-31 and 4-32 respectively. In all, a 41% reduction in machining time was realized for this test bulkhead.

Many of the same guidelines for turning and milling also apply to drilling titanium. During drilling, positive power feed equipment is preferred over hand drilling to reduce operator fatigue and provide more consistent hole quality.

Location 1 Interior Roughening Cut

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