Layered cutting: For deep grooves, avoid cutting all the way through in one pass. Instead, mill in multiple layers, with each layer having a depth of approximately 0.5-1 times the tool diameter, to protect the tool and ensure chip evacuation.
Adequate cooling: Especially when machining metals, it is necessary to use cutting fluid or air cooling to reduce temperature and extend tool life.
Pay attention to chip removal: Chip removal in the groove is difficult, which can easily cause tool wear and a decline in machining quality. If necessary, the tool needs to be lifted to remove the chips.
Choose the appropriate milling method:
Climb milling: More commonly used, it provides smooth cutting and good surface quality, but requires the machine tool to eliminate backlash.
Up milling: It has a large impact when cutting in, but it helps prevent the workpiece from lifting, making it suitable for old machines or thin-walled parts.
