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3192RE: [mlathemods] Re: Flat or raked part off tools?

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  • James W. Early
    Jul 6, 2010
      I learned the difference when I first started parting off back in the early 50s and my boss asked me if I had suffered long enough with the wedge blade. When I asked what he meant he handed me a "T" blade and said see for yourself. I never went back to the wedge blades as I learned when young not to make my job harder than it had to be.

      Long Beach, CA

      --- On Tue, 7/6/10, Mert Baker <mertbaker@...> wrote:

      From: Mert Baker <mertbaker@...>
      Subject: RE: [mlathemods] Re: Flat or raked part off tools?
      To: mlathemods@yahoogroups.com
      Date: Tuesday, July 6, 2010, 6:45 AM

      I bought all my parting toolbits years ago, and they are all the wedge type.  However, one of 'em is now only an inch long, and I'll get one of the T type to replace it.   Never had any trouble with the wedge type, once I learned how to sharpen & set 'em properly.  Until then, the less said, the better.
      -----Original Message-----
      From: mlathemods@yahoogroups.com [mailto:mlathemods@yahoogroups.com]On Behalf Of James W. Early
      Sent: Tuesday, July 06, 2010 9:30 AM
      To: mlathemods@yahoogroups.com
      Subject: Re: [mlathemods] Re: Flat or raked part off tools?

      Which is why the "T" style blades require only about 20% of the force that conventional wedge style bladeds do. This is also why they do not require a heavy rake like the wedge blades do and why they stay sharp up to 20 times longer. On my CNC at work wedge blades neded to besharpened every 3 hours in production while "T" blades were good for up to 36 hours on the same job. After using the "T" blades for over 20 years in production work I find it amazing people still waste their money and time on the silly wedge blades!

      Long Beach, CA
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