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  1. #1
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    Aug 2015
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    Default Belt size(s) or manual for Waldown c-0 tool post grinder

    Hi all,

    I have recently acquired a Waldown type C-0 tool post grinder. Anybody know what belts it takes? .. or have a PDF manual?

    Also, I'm unsure if there are supposed to be different sized pulleys with it. The motor pulley is a flippable two size jobby so maybe it is intended to be just two speed. Dunno.

    Many thanks,

    Greg.

  2. #2
    Join Date
    Jun 2012
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    SA
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    Quote Originally Posted by StrayAlien View Post
    Hi all,

    I have recently acquired a Waldown type C-0 tool post grinder. Anybody know what belts it takes? .. or have a PDF manual?

    Also, I'm unsure if there are supposed to be different sized pulleys with it. The motor pulley is a flippable two size jobby so maybe it is intended to be just two speed. Dunno.

    Many thanks,

    Greg.
    Hi Greg,

    You can buy the fabric belts from Brobo Waldown: Brobo – Lifetime of Reliability

    The C0 I have is fitted with a two step drive pulley on the motor.

    The two quills supplied each have a pulley. The hi speed (internal) quill pulley is smaller than the external quill pulley (for obvious reasons).

    Email me at gloaming_agnet@hotmail.com and I will send you a pdf of the small manual I have.

    Cheers Rob
    The worst that can happen is you will fail.
    But at least you tried.



  3. #3
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    Thanks Rob, I've emailed you.

    Do you also get your wheels from brobo or are those a fairly common thing out there?

    Yes, I am a tpg newb.

    Thanks again.

    Greg.

  4. #4
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    Quote Originally Posted by StrayAlien View Post
    Thanks Rob, I've emailed you.

    Do you also get your wheels from brobo or are those a fairly common thing out there?

    Yes, I am a tpg newb.

    Thanks again.

    Greg.
    Stones/wheels are available from abrasive suppliers. Make sure the speed ratings are suitable as speeds can get very high.

    You will also need to buy a dressing stone (single point diamond) to prepare the stone face before use. These are quite cheap on Ebay etc.

    I mount mine on an extension in the lathe chuck and using the carriage hand wheel manually feed the stone against/across the diamond tip (lathe OFF). This will make a lot of dust so cover everything up when dressing.

    You will also find that 70 mm small friction discs (Smith & Arrow) will fit and be very useful for getting into tight corners, cutting off, facing, etc (no need to dress these).

    Only apply very light pressure, listen to the speed variation sound to judge that, and always work in both directions to allow for grinding medium wear.

    Cheers Rob




    ,
    The worst that can happen is you will fail.
    But at least you tried.



  5. #5
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    Default

    Thanks Rob. Cool. Keen to give it a go. 👍

  6. #6
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    Quote Originally Posted by StrayAlien View Post
    Thanks Rob. Cool. Keen to give it a go. 👍
    One other VERY important thing I should mention.

    When grinding you should not have ANY float in the cross slide as the finish will ultimately depend on the rigidity/position of the grinding medium.

    So I strongly suggest you fit a cross slide lock or pinch up one of the gib screws when grinding.

    I did a video on a simple lock anyone can fit to pretty much any lathe using just one bolt: https://www.youtube.com/watch?v=et3F1gKYMMM

    Cheers Rob
    The worst that can happen is you will fail.
    But at least you tried.



  7. #7
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    Bewdy. Thanks for vid link. I thought you might be *that* Rob. 😁 I've been through your pages online for the grinder. Good info there. I also subscribe to your channel. 👍

    Re the slide lock, yeah. Been thinking about that. I've not got one but I've a thread stop that attaches to slide dovetails that might just do the trick.

    Thanks again mate.

  8. #8
    Join Date
    Jan 2010
    Location
    Perth
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    Default

    Evening Greg, you probably have seen the vid https://youtu.be/7QoXMNJueDs which details a strip down of a Waldown TPG. (But Robís vidís remain the best IMO). Enjoy the new toy!


    Sent from my iPhone using Tapatalk

  9. #9
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    I haven't seen that actually. Thanks for the link!

  10. #10
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    If anyone else would like a copy of the small Waldown "0" manual (it's scanned pages, not a pdf) send me a request through regular email at: gloaming_agnet@hotmail.com

    Makes it easier for me to respond.

    Cheers Rob
    The worst that can happen is you will fail.
    But at least you tried.



  11. #11
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    Nov 2008
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    Greg,

    When you have the Waldown up, running and grinding is there any chance that you might post a photo or two of the finish you achieve. I have a Dumore 44 and I'm underwhelmed by the finish it produces.

    Rob is correct about covering your lathe when dressing the wheel and when grinding. The grit goes everywhere and there are plenty of nooks and crannies on your SB Ten that would require laborious cleaning if not covered. Cover up the Bridgeport too. I dressed a wheel on the Hercus tool and cutter grinder yesterday and it looked like I had thrown a handful of beach sand over the machine!!

    BT

  12. #12
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    Bob, will do. Might not be for a while though. I've moved into a new place 3 months ago, and despite having a 8mx8m shed to play in, only yesterday did the BP mill head even get turned up the right way out of 'shipping' mode. So, not much metalworking going on at the moment! Life.

    Re the dust. Yep. When the new shed/workshop gets settled the surface grinder will be set up so its dust goes towards an open door ....

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