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  1. #91
    Join Date
    Jul 2006
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    Athelstone, SA 5076
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    4,255

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    Quote Originally Posted by Stustoys View Post
    Careful eskimo, those handles hurt more, even if they do look much nicer.

    Stuart
    it looks a lot lot nicer.......but yeah..it might do more damage eh?...better be careful now hadnt I

  2. #92
    Join Date
    Jul 2006
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    Athelstone, SA 5076
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    4,255

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    Quote Originally Posted by Stustoys View Post
    For the minute
    ......I hope it will be a lot longer than that....

  3. #93
    Join Date
    Jul 2010
    Location
    Melbourne
    Posts
    9,088

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    I learnt not to use an ultrasonic cleaner on the kitchen bench.

    Luckily there is a new one in the pipeline or I would be in it deep!

    Stuart
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  4. #94
    Join Date
    Oct 2011
    Location
    Norwood-ish, Adelaide
    Age
    59
    Posts
    6,540

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    Try in an unobtrusive place first, but a little bit of neat White King on a rag will probably remove the marks. It will bleach the rag you use too...

    Michael

  5. #95
    Join Date
    Nov 2007
    Location
    melbourne australia
    Posts
    3,228

    Default

    Why can't you put an ultrasonic cleaner on the kitchen bench? I'm intrigued.

  6. #96
    Join Date
    Jul 2010
    Location
    Melbourne
    Posts
    9,088

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    Hi Michael,
    No White King so I just used some bleach(out of date bleach at that, does bleach slowly turn into something else?) Thanks

    Hi Jack,
    Because it leaves little circles on the bench that are tricky to shift. though the bleach has improved things will have to see how it goes.

    Stuart

  7. #97
    Join Date
    Oct 2011
    Location
    Norwood-ish, Adelaide
    Age
    59
    Posts
    6,540

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    Bleach will slowly loose strength over time. You might have to do a couple of rounds to remove the mark totally if the stuff is old. Newish White King is phenomenal at removing traces of things that husbands do that would otherwise be frowned upon.

    Michael

  8. #98
    Ueee's Avatar
    Ueee is offline Blacksmith, Cabinetmaker, Machinist, Messmaker
    Join Date
    Dec 2011
    Location
    Canberra
    Age
    39
    Posts
    4,515

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    What did i learn today? That wearing your wedding ring whilst you are dipping your hands into even a weak solution of caustic soda is a bad idea. I was using latex gloves but at the concentration i have it is pretty safe, and i have been rinsing my hands in my vinegar solution afterwards......Any way some caustic found its way under my ring, which is wide, almost 9mm, and over the day has taken the top few layers of skin off......ouch! Ring is ok though.......
    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.

  9. #99
    Dave J Guest

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    Quote Originally Posted by eskimo View Post
    it looks a lot lot nicer.......but yeah..it might do more damage eh?...better be careful now hadnt I
    You can get safety handles in the same design.

    Dave

  10. #100
    Join Date
    Mar 2009
    Location
    Robertson NSW
    Posts
    133

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    Quote Originally Posted by Ueee View Post
    What did i learn today? That wearing your wedding ring whilst you are dipping your hands into even a weak solution of caustic soda is a bad idea. I was using latex gloves but at the concentration i have it is pretty safe, and i have been rinsing my hands in my vinegar solution afterwards......Any way some caustic found its way under my ring, which is wide, almost 9mm, and over the day has taken the top few layers of skin off......ouch! Ring is ok though.......
    Wedding Ring and a shifter putting batteries in a bulldozer does wonders too! i don't wear a ring anymore- have a permanent scar lol
    Wife sold the ring to the gold buyers!
    Will

  11. #101
    Join Date
    Sep 2011
    Location
    Ballarat
    Age
    65
    Posts
    3,103

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    I learnt that on your first attempt at multipoint screwcutting you should remove the carriage stop before sending the carriage towards the chuck using power feed. It certainly made a mess of the brass shear pin on the leadscrew. Mind you, the manufacturer had already made a mess of making it in the first place.

    Phil
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  12. #102
    BobL is offline Member: Blue and white apron brigade
    Join Date
    Feb 2006
    Location
    Perth
    Posts
    7,182

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    Today I learned that if you want to make an MT on one end of a metal rod and cut a thread on the other it's easier to cut the thread first.

    Actually it did not turn out that bad as I was able to put the MT2 into an MT3-2 adapter and bung it straight into the Hercus headstock.

    It was aslo good test for the newly cut MT2 which did not move a whisker.

  13. #103
    Join Date
    Jul 2006
    Location
    Athelstone, SA 5076
    Posts
    4,255

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    Quote Originally Posted by .RC. View Post
    My retarded trick for today was cutting with the face mill running backwards.... Was using the right angle attachment on the turret mill and when the machine is running forward, it runs backwards... I was wondering why it was chattering during the cut...
    i would never admit to doing such a thing

  14. #104
    Join Date
    Apr 2004
    Location
    Notting Hiĺl (Melb) or Echuca
    Age
    64
    Posts
    179

    Default bearings don't like press fit

    I've been repairing the head of the old wipper-snipper. The bush bearings supporting the cutter head shaft had won out. I thought a couple of small deep groove bearings would be a better solution so bored out the alloy housing and trued up the shaft to 9mm (down from a worn 3/8").
    I learnt: A thou or two is TOO much for these miniature bearings. The new bearing pressed into the housing ok but was rather rough to turn.
    Second go with much lighter fit and a drop of thread lock on the outside to make sure it did not turn in the housing was much better. I did need to make a bush to act as the replacement bearing housing as I needed a couple of goes to get the sliding fit! .
    Hope the repair lasts a reasonable time after all the mucking around. (It has 2 bearings side by side top and bottom, 9x14 mm races, the head is driven by a speedo cable type of flexible drive)
    Last edited by HavinaGo; 18th Feb 2013 at 03:01 PM. Reason: can't spell - nor convert from metric to imperial
    cheers
    David

    ------------------------------------------------
    A society grows great when old men plant trees whose shade they’ll never sit in. (Greek proverb)

  15. #105
    Join Date
    Apr 2004
    Location
    Notting Hiĺl (Melb) or Echuca
    Age
    64
    Posts
    179

    Default Bearings don't like no oil

    What I learnt: Deep groove ball bearing races left without oil turn into a heap of rust surprisingly rapidly!

    In a parallel project to the above effort I am repairing a portable petrol engine powered water pump. Engine, 3.5Hp Briggs and Stratton was a pain to start. The long and the short was it had little compression. As the engine had done little work I could not bear to throw it out so have ended up pulling it down and now conclude 2 problems - a) head warped so gasket not sealing, b) crankshaft rusted under seal on pump side so no crankcase pressure to run the fuel pump.
    While waiting for parts (seals) I soaked the ball bearing race (pump side of crankshaft) to get out the old oil, cleaned up the shaft, flattened the head (in mill), lapped in valves etc.

    What I did not notice was the rag fell into the turps I was using as solvent for the bearing clean up and all the turps evaporated between one weekend and the next. (Melbourne has had a run of 30+ with high humidity)

    I'm now looking for a new bearing in addition to the other parts as the rust has left its coat all over those delicate running surfaces
    cheers
    David

    ------------------------------------------------
    A society grows great when old men plant trees whose shade they’ll never sit in. (Greek proverb)

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