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Affects high hardness end mills machining roughness
There are many factors that affect the processing roughness of high hardness end mills. Vc linear speed, F feed, Ap depth of cut, and Ae cut width are the four elements of cutting.
Release time:
2022-06-09
There are many factors that affect the processing roughness of high hardness end mills. Vc linear speed, F feed, Ap depth of cut, and Ae cut width are the four elements of cutting. We can choose the appropriate parameter range according to our own processing needs. What if you are not satisfied with the quality of the machined surface? The manufacturers of high hardness end mills have sorted out some methods, hoping to help everyone!
1. Increase the helix angle of the tool 2. Increase the number of edges of the tool 3. Reduce the feed rate 4. Reduce the depth of cut 5. Use up-cut milling instead of down milling 6. Prevent built-up edge-chip surfacing
When milling stainless steel, the down milling method should be used as much as possible. The asymmetric climb milling method can ensure that the cutting edge is smoothly cut away from the metal, the chip bonding contact area is small, and it is easy to be thrown off under the effect of high-speed centrifugal force, avoiding the impact of the chip on the rake face when the cutter teeth cut into the workpiece from the beginning. The appearance of falling off and chipping increases the durability of the tool.
Stainless steel materials are widely used and can be encountered in turning, milling, drilling, and tapping. However, because stainless steel has different characteristics from other common materials, processing stainless steel has become a big problem for technicians.
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