Rational technology of milling grooves in parts of a titanium alloy



When milling titanium alloys on CNC is better to use cutters with a large number of teeth and most large tilt angle of a helix. I most often use on CNC machines 6 fluted cutters with a slope angle of 50 degrees. Best to use a cutter with a rake angle of about 5º and 10º back no more.



it Was observed that the durability of the milling cutters and precision milling on CNC machines increases significantly when clamping the milling cutter in the Chuck with a runout of less that 0.010 mm, High precision-based cutter in the Chuck of CNC machine in axial and radial direction necessary to maintain a steady load on the tooth and durability of the cutting process, which reduces the likelihood of breakage of the cutter. This jammed the cutter in the Chuck you need to fathom CNC machined magnetic head and, if necessary, clamp it.

Always use cutting fluid when machining titanium alloys. It helps remove chips and reduce cutting edge temperature. Coolant pressure should be around 60 bar.


cutting Mode

it is Necessary to reduce cutting speed, because titanium alloys have the tendency to sticking to the cutting edge. Your CNC machine allows you to change the cutting speed depending on the load on the cutting tool to maintain stability, don’t forget about it. The optimal cutting conditions in your case are: spindle speed 2000 Rev/min, feed per tooth 0.08 mm when you use carbide cutters from modern alloys. When using mills with coating modes can inflate twice. Milled groove with a width of 8.86 mm and a depth of 30 mm from the material W-5-1 need for 4 passes at 7.4 mm, milling 8 mm, extra fine milling of groove.

Green shading on the figure represent fine passages, and the red shading, the rough passages

the Green shading on the figure represent fine passages, and the red shading, the rough passes.

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