Member postings for SAWMAN

Here is a list of all the postings SAWMAN has made in our forums. Click on a thread name to jump to the thread.

04/07/2011 12:12:01

Thanks for the useful advice. The inserts are those that were supplied with the end mill, so I presume that they are the right ones. I have examined the inserts with a magnifying glass and they appeared to be OK. One had possibly worn compared to the other two, but I've indexed them all round to expose a new face and this has improved the problem, but I still get burrs. Spindle speed is about 1400 rpm, feed rate is very low and I'm using a light machine oil for lubrication. The surface finish is excellent by the way.

30/06/2011 15:38:23

Although I served an engineering apprenticeship with the Atomic Energy Authority some 40 years ago, I have only recently been able to equip a home workshop with a lathe (Chester Centurion) and mill (Warco VMB).

I've bought some Glanze Indexable tooling for the mill, but I find when I use it that enormous burrs are created which take a lot of filing to remove. I've tried machining gunmetal and mild steel, with the same results. Cast Iron seems to be OK.

Is this normal or am I doing something wrong? Any help would be much appreciated.

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