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CwazyWabbit

Forum Financial Supporter
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Posts posted by CwazyWabbit

  1. 3 hours ago, joiner55 said:

    Hi again CwazyWabbit sorry for delay in replying and thank you for your original reply,  unfortunately the springs broken in the middle. I did think about having a go at welding it but it seems the springs the week point as it is so welding it might only work for a short term.

    Also thanks daveturnbull but I've already been intouch with Vice Works and unfortunately they couldn't help. 

    I have however been trawling tinternet and found a Record vice QR spring that I think I might be able to make work.

    I don't think a weld on a spring would last long tbh.

    This one on eBay for a Record (probably the one you have already found) looks like it would work. https://www.ebay.co.uk/itm/174838116657

    It has the following dimensions so you should be able to get an idea of the chances of it fitting before purchasing. (The spring ends as far as I can see look right too)

    Spring measures approx:
    Overall length: 83.5 mm
    External Spring diameter: 19 mm
    Internal Spring diameter: 14.2 mm
    Wire diameter: 2.2 mm
     
  2. 27 minutes ago, joiner55 said:

    Hi this is a message or question/advice for/from  CwazyWabbit. Reading through all these question and answers on hear I think you might be the right person to ask, I'm having a go at resurrecting a No38 model J Samsonia vise. It's not had the roughest of lives so it's sort of worth doing except the QR springs broken, do you know of where I could get another one please ?

    How broken? If it's just the end it is usually possible to heat the end of the spring till red and fashion a new end to the spring if you get what I mean. There's a lot more vice nerds over on https://www.mig-welding.co.uk/forum/threads/show-us-your-bench-vice-s.52872/page-434 they might have ideas as to where a replacement can be found.

  3. 1 hour ago, Stellaghost said:

    well yes it does Mr Wabbit, indeed it does, as the pictures so conclusively prove...yes it does fit

     

    turns nicely too...

    regards Stephen 

    Excellent! Would swear you went out and bought one if we hadn't seen you make it :D That's proper lovely to see, you were right at the start, casting your own was the right way.

    23 minutes ago, Stellaghost said:

    Custom adaptors, lightweight vent panels, bulkheads, shortening diffs in retirement............

    The idea is your supposed to be easing off and relaxing.......... Arnt you ?????????????

    Regards Stephen

    No, the idea is that you are supposed to spend your time doing things you enjoy! ;)

     

    • Thanks 1
  4. 8 hours ago, Stellaghost said:

     

    Inner dam ring left loose to allow it to move when aluminium contracting during the cooling process , it was still very tight to remove and required a slight adjustment with an angle grinder 

    20230903_042812.thumb.jpg.d1e39b4c28e430fe5782ee0206c28b08.jpg

    20230903_042820.thumb.jpg.f51334292ee8069549f559ca92c03ace.jpg

     

     

    Shrinkage for aluminium seems to be quoted at 6%-8%, does that mean the diameter of your casting shrank by about 3/4" ? I'm sure I must have that wrong, but it would explain why the inner ring was pretty stuck.

    Proper impressed with your casting :)  ...... and your crucible! ;) 

    • Thanks 1
  5. 8 hours ago, Stellaghost said:

    --snip--

    20230829_184127.thumb.jpg.888f761ca5305441056db8edd8821deb.jpg

    --snip--

    Are you planning on pouring the aluminium directly against the steel? 

    I've not cast aluminium since I was at school but when it cools surely it will shrink against the inner ring, whilst I don't doubt that you can cut the ring out is there a chance that the shrinkage against an 'immovable' object could crack the casting?

    I'm probably talking out of my backside, but perhaps the ring would be better with some kind of joint that allowed it to slip?

    Also is there any chance that the steel will cause the aluminium to cool too quickly and ruin your pour?

    Just idle thoughts which I imagine you've already thought about.

    • Like 1
    • Thanks 1
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