
High-Performance Solid Cermet Endmills High-Performance Solid Cermet Endmills
Application Information HI Wear Indication
• Nickel - based high - temperature alloys .
• Cobalt - based alloys after consulting technical assistance .
Materials to cut
• P 6 and M 1 - 3 stainless steels after consulting technical assistance. New Used End of Tool Life
• Do not apply on iron - based high - temperature alloys .
Cutting Speed
• Maximum RPM machine can provide recommended cutting speed : 250-1000 m / min .
• Highly dynamic machines recommended .
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• Use of spindle speeders applicable ( no wet coolant ) .
• Referto cutting data recommendation .
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Feed Rate
• General starting condition fz 0 , 03 mm / z. Wear rate 0.48 mm Wear rate 1 4 mm ,,
still good to use End of tool life reached
• Referto cutting data recommendation .
Depth of cut
• General starting condition ap 0 , 5 mm . Causes of and Remedies for End Milling Problems
problem cause cause remedy
•Power cool nozzle preferred to flush chips away.
• Pressurised air applicable .
Coolant
• Minimal Quantity Lubrication ( MQL ) and dry applicable .
• No coolant with emulsion or oil due to thermal shock . • Use undersize end mills that leave stock for
Excessive burr • Softness of material to cut . finishing operation .
formation • Excessive wear on radii . • Replace tool as end of tool life reached .
•Hydraulic chuck with or without sleeve preferred . • Check tool runout .
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• Collet or milling power chucks applicable .
Adaptation
• Balancing at 25 , 000 RPM ( 2 , 5 G ) preferred .
• Shrink adaptation not recommended.
• Vibration of the workpiece .
Sudden breakage • Unstable tool clamping .
• Check workpiece and tool clamping.
• Use of 4 - flute EADE recommended .
• Use of 6 - flute tooling in slotting .
Roughing Appliaction Yes
Finishing Application Yes Chips sticking • Lack of cutting speed . • Increase cutting speed .
• Conventional milling preferred at lower speeds .
Milling Strategy • Check workpiece and tool clamping .
• Climb milling preferred at higher speeds . • Unstable tool and / or workpiece clamping .
Chipping • Reduce cutting speed during initial cut and
• Initial cutting speed too high . increase as cutting continues .
• Slotting and pocketing .
• Common sizes and undersize leaving finishing stock .
2 and 4 - Flute • Side milling possible up to ap max with increased feed .
• Non - centre cutting .
• Ramping and helical interpolation possible under 2.5 ° .
Thermal cracks • Wet coolant . • Do not use wet coolant .
• Profiling and face milling .
• Non - centre cutting .
Ball Nose
• Side milling possible up to a p max with increased feed .
• Ramping and helical interpolation possible under 2 ° .