Peck milling
Peck milling is an alternative to ramping for opening up in solid material.
However, it requires excessive power, produce long chips and places undesirable cutting forces on the cutter and should therefore only be used when:
- The machine lacks ramping capability
- Producing short closed slots.?
Choice of tools
How to apply
Centre cutting - drilling end mills (end milling cutter)
The drill depth of a centre cutting end mill is limited by the length of the chip flute, and also by the the chip evacuation capability. For deeper slots, use a peck cycle. When drilling, use a low feed: approx. 50% of the feed recommended for milling.
Note: consider ap max for full slotting milling.
Non-centre cutting end milling
CoroMill 390 and 790 are non-centre cutting end mills that can be used for a peck milling cycle. Note that the drill depth is very limited. Use a coarse pitch cutter for maximum chip room.
Max. drill depth?
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