An air-gage-monitored honing system added to an inverted vertical spindle chucking lathe allows unattended turning, boring and honing on one machine for greater process flexibility.
Powder metal parts have become the darling of the auto industry, but they can be a demon for the shops that must machine the finishing touches. This shop has found that the keys to success machining such abrasive materials are proper cutting tool selection and continuous tool wear monitoring.
There are always exceptions to those 'hard and fast' machining rules. A tripling of edge life and a 3-to-1 reduction in cutter count on a tough-cast steel milling job at Harrison Steel Castings Company (Attica, Indiana) proves this.
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