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  1. 25th April 2015, 10:25 PM #1
    Burner
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    Default Carbide tips and a lathe with power!!

    The pics below show a very enjoyable time cutting on the Lathe. I am making a new stub axle hub for a machine so needed to turn down about 60mm of this 65mm bar to 45mm. I used 450 rpm, .6mm/rev feed and 2.5mm cut in the pics, taking 5mm off the dia. It's great when it chips like this. For the short larger dia on the shaft I went for a 4.5mm cut, showing some more bravery. The clutch slipped on the lathe while drilling a 35mm hole the other day so I thought I should take it easy on the longer cuts. I don't seem to get to do those sort of cuts very often anymore, so when I do they are more enjoyable.

    IMG_20150424_143600 (1224 x 1632).jpgIMG_20150424_143600 (1224 x 1632).jpg

    Sorry I had trouble uploading pics and now I am being called!!
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  3. 26th April 2015, 12:23 AM #2
    matthew_g's Avatar
    matthew_g
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    What insert are you using ??

    Matt
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  4. 26th April 2015, 03:04 PM #3
    Burner
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    Default Knux tips

    Quote Originally Posted by matthew_g View Post
    What insert are you using ??

    Matt
    Its a knux type insert. I had touched this tip up on the soft wheel so it had a slightly larger radius. I can't remember the grade. I only use these as that is what we used where I did my apprenticeship. I was able to salvage the holders out the scrap bin and repair and replace the parts to get it functional and then they gave me some holders and tips when I bought this Lathe from them. I used to save the used tips from work off the CNC lathes and regrind them on the soft wheel. In just over 20 years I have almost run out of tips!!
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