When machining components with complex shapes, CoroCut inserts offer great opportunities for achieving greater efficiency. Since one single tool can be used instead of rightand left-hand conventional tools, the tool range is minimized. This results in fewer tool changes and more room in the turret. Using profiling inserts is often a good way to remove a lot of material in a short time.
Choice of tools
The stability of the CoroCut 2-edge system offers strong possibilities for using high cutting data. The round inserts have several dedicated geometries.
Use -RM geometry for medium feed and tougher conditions, and precision -RO geometry for stainless steel and other sticky materials.
The table above shows the CoroCut 2-edge insert geometry and grades.
First choice for machining non-ferrous materials is the CoroCut 2-edge insert in -AM geometry. The insert offers good chip flow and good surface finish.
Use the CoroCut 1-edge insert the CBN-tipped -RE geometry for machining hardened steel. The insert offers outstanding productivity and good surface finishing.
Insert geometry recommendation
How to apply
Wrap around occurs with round inserts, when they are used for plunging or profiling into corners. The large insert diameter creates high cutting pressures and the feed needs to be reduced.
However, if the feed is reduced too much vibration may occur.
To reduce this problem, the insert diameter should be as small as possible compared to the radius that is generated.
Use dwelling (micro stops) to form short chips and to avoid vibrations if the same insert radius must be used.
Insert radius ≥ component radius
Insert radius < component radius Recommended
fn1 = parallel cuts – max. chip thickness 0.15–0.40 mm
fn2 = radius plunging – 50% max. chip thickness
Profiling/pocketing – trochoidal turning on HRSA materials
- Roll into cut with reduced feed.
- Increase feed to max fn for linear cuts.
- Roll out of cut with reduced feed.
- For more information, see HRSA application guide.