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Thread: Quick Change Tool Post

  1. #1
    Join Date
    Apr 2001
    Location
    Clinton, WA
    Posts
    973

    Default Quick Change Tool Post

    Iím looking for QCTP for a new lathe just picked up. I was looking at the CDCO BXA wedge type. Does anyone have any experience with this one? Any recommendations on other sources?

    Thanks,
    Mark Hockett

  2. #2
    Join Date
    Sep 2015
    Location
    NW Illinois
    Posts
    770

    Default

    My toolpost is Aloris. I have several of CDCO's holders. Other than the screws being crap I had no problems with them.

  3. #3
    Join Date
    Mar 2018
    Posts
    9

    Default

    I have the CDCO BX tool post. It seems to perform about as well as the Aloris tool posts that we have at work. And they are much cheaper.

  4. #4
    Join Date
    Jan 2003
    Location
    On the Oil Coast,USA
    Posts
    19,504

    Default

    I've got two of the AXA wedge tool posts,they've been working fine for several years so far.
    I just need one more tool,just one!

  5. #5
    Join Date
    Aug 2006
    Location
    Beaverton, OR
    Posts
    8,548

    Default

    I have an AXA type on my old South Bend 9 and it works fine. Nothing can beat the multifid system on my 10ee though. There are chinese knockoffs of those too.

    https://www.alibaba.com/product-deta...35f8iONEC0&s=p

  6. #6
    Join Date
    Oct 2015
    Location
    Wyoming
    Posts
    128

    Default

    I've used three QCTP's on a variety of lathes: The Aloris toolpost (which I have on my lathe in my shop), the Dorian knock-off of the Aloris (which works as well as the Aloris) and the Multifix.

    Of the three, I like the Multifix the best, but the price of the Swiss-made toolposts was prohibitive when I outfitted my lathe in 2012. The Multifix toolpost has the ability to re-orient the tool by 9 degree increments without loosening the bolt that holds the toolpost in place on the compound. Tool holders are more expensive, but they repeat much better and hold much more rigidly. I have access to a 15HP lathe with a Multifix toolpost and I've taken cuts 3/8ths of an inch deep on one side with tooling in that toolpost.

    There's a Chinese outfit making a duplicate of the Multifix toolpost, and its compatibility with the original is (I'm told) pretty good.

    http://www.createtool.com/index.asp

    Absent that option, I'd probably go with a genuine Aloris toolpost, and then buy or make tool holders to fit. The Chinese Aloris knockoffs haven't impressed me much.

  7. #7
    Join Date
    Jan 2014
    Location
    Long Island, N.Y.
    Posts
    2,693

    Default

    I bought the AXA wedge type from them. I'm very happy with it. I did a writeup on it here:
    http://bbs.homeshopmachinist.net/thr...QCTP-from-CDCO

  8. #8
    Join Date
    Nov 2017
    Location
    Shingletown, CA
    Posts
    120

    Default

    I bought the Bostar. Not as smooth and tight as an Aloris, not nearly as expensive either. I'm quite happy with it.

    https://www.ebay.com/itm/BOSTAR-AXA-...r/271828309441

    edit: even the set-screws have been acceptable.
    Last edited by MrWhoopee; 07-01-2019 at 10:45 AM.
    It's all mind over matter.
    If you don't mind, it don't matter.

  9. #9
    Join Date
    May 2002
    Location
    SE Texas
    Posts
    12,404

    Default

    I made my own.



    I think it is superior in many respects to all the commercially available ones.

    First, it takes "quick change" seriously. You can change a tool holder with ONE HAND and NO TOOLS. It only takes one fluid motion to loosen and then remove the holder from the post. Then the new holder goes on with the reverse of that smooth motion. No other holder, no matter what the price, can work that fast.

    It is accurate. The tool re-positions well within a thousandth of an inch in all three directions when it is removed and then replaced.

    It is rock solid. The post is a single piece of steel with only the central mounting hole. That piece of steel is placed in compression by the mounting stud so it gains strength and rigidity much like pre-stressed concrete. The tool holders completely surround that post and grip it on all sides. The area of contact between them is well over ten times as large as even the best of the dovetail systems where contact is only made at three or four small areas. The post and holder in effect become one solid piece of steel when the holder is clamped on.

    The adjustments are independent of each other to a large extent, so changing the tool height does not change it's horizontal position or angle, etc. After using a lantern style tool post, this is a great joy.

    The original plans for this post were published in the Feb-Mar 2010 issue of Machinist's Workshop (Village Press). This back issue seems to still be available:

    https://secure.villagepress.com/stor...oup/132/page/4

    The latest update to these plans with additional material is available here:

    http://www.homemadetools.net/forum/q...st-lathe-52118
    Last edited by Paul Alciatore; 06-30-2019 at 09:59 PM.
    Paul A.

    Make it fit.
    You can't win and there is a penalty for trying!

  10. #10
    Join Date
    Apr 2001
    Location
    Clinton, WA
    Posts
    973

    Default

    Paul, I remember when you posted this and I thought it was very impressive at the time. I don’t have time to build one right now. I just got another lathe for a second home and I have an emergency job I need to run on it.
    Mark Hockett

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