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Thread: Scissor knurl

  1. #46
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    Silly question Dave, but why so many tool
    Holders?
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  2. #47
    Dave J Guest

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    Hi Mathew,
    Not silly and I suppose it does sound a lot. The mate gave me a piece of plate years back that was 350 x 500 x 32mm thick. I had always put it aside to make tool holders, and if I make them I am only going through the process once, so whatever I could get out of the plate was going to be a tool holder.

    I have 6 factory holders and always find myself changing them over which defeats the quick change part of things, so with this lot I can keep all my tools loaded up in holders.

    36 of them are made as standard tool holders and the other 10 are blanks on one side. With these I already have 3 allocated to boring bars, one for an indicator holder, one for a lift up threading tool, so there is 5 without even thinking about anything else.

    The 36 new ones plus 6 factory ones will have tools loaded in most of them with a few spares. I have a draw full of lathe tools but often don't use them because of the hassle of loading them up.

    Just your every day tools add up, roughing tool, finishing tool, left handed the same, roughing facing and finishing, parting tool, knurling tool, then there is all the carbide tool holders which I have about 12 or more so there is 20.

    So when you start adding them up it comes up quick, so I should be covered for good now without paying $80 odd dollars each for them.

    Dave

  3. #48
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    Default Scissor knurl

    Nice work Dave. I missed this thread at the time. I also have an Aussie made push knurl, but I would love a scissor knurl. I don't want a Chinese one, so I was considering this Hemingway kit until I just found out they want GBP21 postage. Makes it an expensive kit.

    Hemingway Kits

    Chris

  4. #49
    Dave J Guest

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    Thanks Chris,
    To be honest they are easy enough to make without a kit. Mine is just mild steel and works great as you can see. I used the hardened pins out of the Aussie one as well and it can also be reversed if needed, but once you have this type you will never go back to the push knurler.

    Dave

  5. #50
    Dave J Guest

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    Hi again,
    Just wondering how you brought this post back from the dead. I tried to post in my arbour support clean up thread as I found photos of it finished when I was doing the tool holder thread, but it kept telling me to tick the box but there was no box.

    I contacted Fred and he said it was a forum fault that the backroom people where looking into.

    Dave

  6. #51
    Ueee's Avatar
    Ueee is offline Blacksmith, Cabinetmaker, Machinist, Messmaker
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    Your right Dave, i had the same problem recently.....no box to tick. There is a thread in the Helpdesk forum about it.

    I have planned on making a few scissor knurlers, for different pitch knurls and a straight one, although this has me stumped a bit, i'm thinking right now one of the wheels would need to be soft?

    I was going to make them integral to the holders, not on a shank. Holders are slowly getting to the top of my rountoit list.
    1915 17"x50" LeBlond heavy duty Lathe, 24" Queen city shaper, 1970's G Vernier FV.3.TO Universal Mill, 1958 Blohm HFS 6 surface grinder, 1942 Rivett 715 Lathe, 14"x40" Antrac Lathe, Startrite H225 Bandsaw, 1949 Hercus Camelback Drill press, 1947 Holbrook C10 Lathe.

  7. #52
    Dave J Guest

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    I have a push strait one, for a scissor I would go with 2 wheels as one will follow the other. A flat one would squash the knurl I think. If you put a soft wheel I don't think it will last long.

    This is why I let 10 blanks for special tooling like a few knurlers, dial indicator holder, test indicator holder, lift up threading tool, etc, they soon add up.

    What tool post do you have? It is not worth making the dovetail ones for the price from CDCO, the steel would cost more.

    Dave

  8. #53
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    Quote Originally Posted by Ueee View Post
    Your right Dave, i had the same problem recently.....no box to tick. There is a thread in the Helpdesk forum about it.

    I have planned on making a few scissor knurlers, for different pitch knurls and a straight one, although this has me stumped a bit, i'm thinking right now one of the wheels would need to be soft?

    I was going to make them integral to the holders, not on a shank. Holders are slowly getting to the top of my rountoit list.
    Ew,

    The wheels in my knurling tool turn on dowel pins. The pin is held in place with a single set screw on each arm. It takes a couple of minutes to change both wheels. A lot easier than making additional tools. My knurling tool usually resides on a rear tool post but because it's shanked I can mount it in a 4 way toolpost on my older, standard cross slide fitted lathe. You have two lathes. A shanked holder might be more flexible plus easier to make.

    Lazy Bob.

  9. #54
    Ueee's Avatar
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    So for a straight knurl a push type tool would be better?

    Bob, I hadn't thought about the 2 lathe factor. The pins on my knurler are pressed in....

    Dave, I have a bxa knockoff. I also have a huge slab of 35mm plate that I could probably make several hundred holders from. It's about 1400 x 500. I'd like to make them just for the project.
    1915 17"x50" LeBlond heavy duty Lathe, 24" Queen city shaper, 1970's G Vernier FV.3.TO Universal Mill, 1958 Blohm HFS 6 surface grinder, 1942 Rivett 715 Lathe, 14"x40" Antrac Lathe, Startrite H225 Bandsaw, 1949 Hercus Camelback Drill press, 1947 Holbrook C10 Lathe.

  10. #55
    Dave J Guest

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    For steel I would go a scissor or a clamp knurler with 2 wheels, the strait work OK with a single wheel but your still putting a lot of strain on the cross slide nut to do it.

    I know your up for another project, but consider the cost of the dovetail cutters, end mills etc to what 18 tool holders would cost you in a flat rate box. A decent size cheap dovetail cutter is around $40 up but I am not sure how long they would last on a big job like that, and if your doing a lot you will go through a couple, then theres the chance of breaking one which is easy.

    If I could have gone that way I would have and even came close to selling the Dickson and buying a whole set up from the US instead of making them, but I would get near nothing back for the Dickson as they go on special for less than what I paid 9 or so years ago.

    Dave

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