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John Olsen

23/02/2014 08:48:52

1294 forum posts
108 photos
1 articles

While you can calculate the cutting speed, bear in mind that it actually varies during the stroke, eg starts out slow, accelerates to maximum, then slows down again. Also the quick return makes less difference as you shorten the stroke. I generally set it to what seems about right, which I guess comes with experience. These are not machines that you would use if you are in a great hurry. If the chips are coming off blue and smoking you are going a bit fast for HSS tooling. This is for power shapers of course.

John

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