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Thread: Universal Cutter/Grinder by harbor freight

  1. #41
    Join Date
    Apr 2006
    Posts
    273

    Question Discontinued?

    Quote Originally Posted by Brett Hurt
    http://www.harborfreight.com/cpi/cta...emnumber=45707 that is the address for it . what do think of it ,and does it work and would you buy one Brett
    Brett,

    No longer listed on the site.

    Store site shows limited availability - i.e. not available at all stores.

    Ummmm

  2. #42
    Join Date
    Mar 2005
    Location
    Toronto
    Posts
    6,572

    Default

    Quote Originally Posted by snowman
    I don't understand why I need a tool and cutter grinder to cut my lathe bits.

    Isn't that what a bench grinder is for?
    lol, you are right....except for say an acme tool bit requiring 29 degrees and an exact tip width...and with small helix so careful slanted clearance angles. Another example is threading bits, the 60 point isn't to bad to do on the bench grinder, but it is a lot nicer when that 60 degree point is dead on to the side of the tool bit...you can set up with a sq to the work instead of those annoying thread gauges.

    point being , bench grinder 99% of the time, but there instances where its worth at least having the attachment to do a lathe bit on the T&CG.

    on twist drills, I can do a decent job on the bench grinder but have to take my time. imo anyone's only one old drill bit away from the same; grind your way through an old 3/8 drill and you'll be able to grind drills before the drill disappears. I will likely never grind enough drills to become fast at it though...i have to carefully check with the gauge and often make adjustments

    I built a rig to do faceted points on the grinder - while its not a time saver, the drill bits drill to within a thou or two and cut very well...that's usually how i sharpen them now
    Last edited by Mcgyver; 04-03-2010 at 11:38 AM.

  3. #43
    Join Date
    Mar 2004
    Location
    SE, Michigan
    Posts
    2,056

    Default

    I built a rig to do faceted points on the grinder - while its not a time saver, the drill bits drill to within a thou or two and cut very well...that's usually how i sharpen them now
    Got pictures?

  4. #44
    Join Date
    Mar 2005
    Location
    Toronto
    Posts
    6,572

    Default

    Quote Originally Posted by snowman
    Got pictures?
    many....and they're all here on the forum

    pt 1
    http://bbs.homeshopmachinist.net/showthread.php?t=14890
    pt 2
    http://bbs.homeshopmachinist.net/showthread.php?t=15226

  5. #45
    Join Date
    Dec 2008
    Location
    Boston, Mass.
    Posts
    627

    Default

    Quote Originally Posted by Mike93555
    A survey for forum members...If I paint the word "boat" on your car door, will you be able to drive to work or do you have to wait until it rains real hard to see if your new boat floats.
    I haven't laughed that hard in a week. That's going to come in handy describing some of my customers.

    Back on topic, are there any plans for a DIY T&C grinder besides the Quorn? My qualm with the Quorn is the difficulty of obtaining castings, though I wonder if they're small enough that I could squeeze them out on my CNC'd X2...

  6. #46
    Join Date
    Mar 2007
    Location
    Lancashire, UK
    Posts
    637

    Default

    Have a look at the Bonelle. This is loosely based on Quorn with a fair number of improvments. The main advantage is that it is based entirely on bar stock, with continuous cast iron sections in place of the original castings.

    http://homepage.ntlworld.com/j.b.d.w...20pictures.pdf
    Bill

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