Americanmachinist 1541 79336newchamfer00000051938
Americanmachinist 1541 79336newchamfer00000051938
Americanmachinist 1541 79336newchamfer00000051938
Americanmachinist 1541 79336newchamfer00000051938
Americanmachinist 1541 79336newchamfer00000051938

New Chamfer Mills and Boring Heads

March 25, 2008
The compact design of BIG Kaiser’s (www.bigkaiser.com) new chamfer mill — the C-Cutter Mini — reduces the cutting diameter to the lowest limit, helping achieve ultra-high spindle speeds and feeds. The company said the chamfer mill ...

The compact design of BIG Kaiser’s (www.bigkaiser.com) new chamfer mill — the C-Cutter Mini — reduces the cutting diameter to the lowest limit, helping achieve ultra-high spindle speeds and feeds.

The company said the chamfer mill delivers multi-functional cutting, including chamfering, back chamfering and face milling. Its highspeed back-chamfering capability reduces hand deburring, and face milling is possible with a 45-degree chamfering type of tool with a 0.394-in. square insert.

The C-Cutter Mini is available in single and four-insert designs. The single insert design utilizes a small 0.197-in. square insert with four cutting edges for small 45-degree chamfers and a slightly larger insert for 30 and 60-degree chamfers.

The four-insert design permits 45-degree chamfering for diameters 0.433 in. to 1.654 in.

Its triple-effect design combines four inserts for high feedrates, a compact diameter for increased spindle speeds and a new wear resistant multi-layer PVD coating for increased cutting speeds. In one example, these factors helped the four-insert C-Cutter Mini achieve 13 times better cutting efficiency than a competitive three-insert cutter.

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