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Type: Posts; User: BaronJ

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  1. Hi Steve, I looked at that as well ! I...

    Hi Steve,

    I looked at that as well ! I suspect that it chops the incoming AC directly, no rectification. It would be the only way to get enough current to drive the motor.
  2. Replies
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    138

    Hi Simon, If it has brush gear then it is...

    Hi Simon,

    If it has brush gear then it is likely a Universal motor ! If not then it is definitely an AC motor.
  3. Replies
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    1,140

    Hi Joe, Guys, Just a wild thought, would...

    Hi Joe, Guys,

    Just a wild thought, would adding a suitable return spring pull back the scraper blade enough to make this work properly ?

    I haven't tried it on mine but will have a look at it...
  4. Hi Guys, Just a note to warn that all these...

    Hi Guys,

    Just a note to warn that all these controllers do not provide any isolation from the mains voltage supply ! That includes the controllers from inside the donor treadmill.

    For safety...
  5. Replies
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    1,140

    Hi Joe, Yes you are quite right ! The blade...

    Hi Joe,

    Yes you are quite right ! The blade runs up against a cam, so only pushes the blade/chisel. I hadn't realised that until you mentioned it.

    Thanks for putting me right :)
  6. Replies
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    1,140

    Hi Guys, Some time ago either Lidl or might...

    Hi Guys,

    Some time ago either Lidl or might have been Aldi, "Powerfix" brand anyway, sold an electric scraper intended for use on wood or wallpaper, complete with several chisels. One intended...
  7. Replies
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    381

    Hi Guys, I agree with just plunging in and...

    Hi Guys,

    I agree with just plunging in and using the top slide dial for the depth of cut ! A caveat though I gave up on trying to grind accurate HSS tools to get the thread form correct, so on...
  8. Replies
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    2,827

    Hi Familyguy, I have a couple of ER collets...

    Hi Familyguy,

    I have a couple of ER collets that seem a little tight in the nut, I'd assumed that the groove in the collet was slightly narrow.

    Your picture explains a lot, thanks. :)
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    Hi Mixotricha, I wouldn't worry to much about...

    Hi Mixotricha,

    I wouldn't worry to much about the hole ! The key needs to be a good fit anyway, and if it seems too tight to fit properly a rub on some fine emery cloth will sort that.
  10. Replies
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    265

    Hi Barry, Welcome to the forum. I have an...

    Hi Barry,

    Welcome to the forum.

    I have an Imperial Myford S7LB with a Norton gearbox. Normally the gearbox settings for all the threads that it can cut using the gearbox can be read from the...
  11. Replies
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    246

    Hi Alan, Often there are a pair of spanner...

    Hi Alan,

    Often there are a pair of spanner flats on the drive end of the arbour !
  12. Hi Guys, With regard to SCR/Triac plus...

    Hi Guys,

    With regard to SCR/Triac plus rectifier configuration, part of the problem is the speed of the rectifier !

    A perfect rectifier switches fast enough to prevent anything other than one...
  13. Hi Nigel, Guys, Basically yes ! Heat doesn't...

    Hi Nigel, Guys,

    Basically yes ! Heat doesn't do them any good either, fortunately the motor rarely gets that hot, usually the armature adhesives and soldering melt first.

    This is because the...
  14. Replies
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    428

    Hi Bernie, I wouldn’t worry about it ! I do...

    Hi Bernie,

    I wouldn’t worry about it ! I do daft things as well :) At our age I think that we can be forgiven.
  15. Thread: ABS sheeet

    by BaronJ
    Replies
    11
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    436

    Hi Bob, In the days when I repaired things for...

    Hi Bob,

    In the days when I repaired things for a living, cylinder vacuum cleaners were common on vacuum tables !
    And electric panel heater elements were used for heating. The ladies used to warm...
  16. Hi Metalmachine, This is not quite true ! ...

    Hi Metalmachine,



    This is not quite true ! Attempting to remove the armature from a permanent magnet motor will cause loss of magnetism.

    As far as SCR/Triac speed controllers are...
  17. Replies
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    428

    Hi Guys, FWIW, keep it simple ! I use a flat...

    Hi Guys,

    FWIW, keep it simple ! I use a flat plate with a groove in it and make simple guides primarily for grinding lathe tools.

    I used to grind drill bits the same way !
  18. Replies
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    Hi Steve, Guys, I found that it was much more...

    Hi Steve, Guys,

    I found that it was much more effective to use the spring and adjust the motor weight as a counter balance !

    When I made the new motor mounting plate the motor ended up about an...
  19. Thread: ABS sheeet

    by BaronJ
    Replies
    11
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    436

    Hi Bob, You could make a timber mould and...

    Hi Bob,

    You could make a timber mould and vacuum form it ! A lot of formed plastic sheet is done on a vacuum table. You do need to be able to heat the sheet uniformly.
  20. Replies
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    Hi Guys, Slightly off topic, many years ago...

    Hi Guys,

    Slightly off topic, many years ago there was a welder working inside a 4'6" diameter steel pipe, his mate tacked the toes of his steel capped boots to the pipe ! Quite funny at the time...
  21. Replies
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    Hi Guys, I thought that the restoration paint...

    Hi Guys,

    I thought that the restoration paint job was very nice, but Steve is right ! If someone particularly wants a small lathe then great. Its about 25% more than I would want to pay.
  22. Replies
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    Hi Guys, Do you not have "RAT" test kits there...

    Hi Guys,

    Do you not have "RAT" test kits there ? Here in the UK we get handed a 7 day "Rapid Antigen Test" (RAT) kit just about every time we go out anywhere. Yesterday the schools were handing...
  23. Thread: DEpth Mic.

    by BaronJ
    Replies
    2
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    330

    DEpth Mic.

    Hi Guys,

    I've spent the day playing about with a Depth Gauge that I've been given. Its quite old and apart from needing cleaning and adjusting correctly, it works exactly as expected. The only...
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    Happy New Year Nigel, Nice pictures. A quick...

    Happy New Year Nigel, Nice pictures.

    A quick tip for getting a hole dead centre in a round object !

    Use a "V" block in the vise then align the drill in the bottom of the "V". As long as you...
  25. Replies
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    554

    HI Pete, Just a daft idea, would it be...

    HI Pete,

    Just a daft idea, would it be feasible to remove the stainless jacket and polish the nuts, maybe have them Nickle plated. A plastic plug could be bought or made to fill the end of the...
  26. Replies
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    Sticky: Hi GrandFooBar, Guys, Happy New Year all ! ...

    Hi GrandFooBar, Guys,

    Happy New Year all !

    Nice pictures, I hope you have made him a spare set !

    I found that mine very rapidly became dented and malformed, particularly gripping screws and...
  27. Thread: Hm 46b

    by BaronJ
    Replies
    17
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    905

    Hi Guys, Just a guess looking at the pictures,...

    Hi Guys,

    Just a guess looking at the pictures, has the missing tab broken off and ended up in the bearing, because it looks as if the bearing has spun on the shaft !
  28. Replies
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    554

    Hi Pete, Have you taken one of the wheels off...

    Hi Pete,

    Have you taken one of the wheels off the car and tried the nuts on the studs and the nuts in the bore of the alloy wheels ? Actually I was of the belief that the wheel nuts for the steel...
  29. Replies
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    613

    Hi Guys, Following Iron Triangle's post I...

    Hi Guys,

    Following Iron Triangle's post I tried to edit and crop a picture on my wife’s smart phone ! It seems that the smart phone retains the EXIF data even after editing !

    I had to download...
  30. Replies
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    2,428

    Hi Roger, I've had similar experiences in...

    Hi Roger,

    I've had similar experiences in France where the card company has actually phoned me to check the validity of a transaction ! Which is great particularly when they have already stopped...
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    Hi Chris, There seems to be a lot of posters...

    Hi Chris,

    There seems to be a lot of posters like that !

    You should spend some time on the American forums. No consideration of courtesy there, you would be lucky if you got a "please". ...
  32. Thread: Merry Xmas guys

    by BaronJ
    Replies
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    183

    Hi Guys, I second this post ! Have a Happy...

    Hi Guys,

    I second this post !

    Have a Happy Christmas all.

    I'm away now until the 29th, stay safe.
  33. Replies
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    Hi Steve, Guys, Dremal do a small wire brush...

    Hi Steve, Guys,

    Dremal do a small wire brush but its a bit thin and only a small shaft, I think that you would need two of them to do the same job cleaning the bandsaw blade.
  34. Replies
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    Hi Nigel, No I discovered that after going and...

    Hi Nigel,

    No I discovered that after going and looking following your post ! However My local branch say that not all the soft jaws are on the web site and that I should mail them with the chuck...
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    Hi Nigel, Guys, Your testing and the results...

    Hi Nigel, Guys,

    Your testing and the results are interesting !

    Any sliding joint will exhibit some play and each will add up, in particular gib strips will move even if pinned. Then there is...
  36. Replies
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    Hi Familyguy, Check the rotation direction of...

    Hi Familyguy,

    Check the rotation direction of the X - Y steppers ! If one is running in the wrong direction that is the effect you get ! A bit like swapping phases on a three phase motor.
  37. Thread: Choosing a VFD

    by BaronJ
    Replies
    46
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    2,059

    Hi Guys, The interference problem is not the...

    Hi Guys,

    The interference problem is not the motor ! But the VFD driving it, producing interference that is both conducted to the motor and radiated from the wiring connected to it.
  38. Hi Oddbod, Looking at your pictures, it seems...

    Hi Oddbod,

    Looking at your pictures, it seems that you only need a couple of bearings to replace those brass guides ! Though I must admit that they seem fine enough for the job.
  39. Replies
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    613

    Posting Pictures !

    Hi Guys,

    It surprises me just how many people post pictures that appear on their side or even upside down rather than in the correct orientation. Solving this issue is quite simple but does...
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    Hi Guys, FWIW I use "Swarfega" 500 ml pump...

    Hi Guys,

    FWIW I use "Swarfega" 500 ml pump bottle from supermarket ! If I need something a little stronger I dip my fingers into the wife’s washing powder !
  41. Replies
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    588

    Hi Guys, I have occasionally unintentionally...

    Hi Guys,

    I have occasionally unintentionally used my shear tool as a normal lathe tool ! However the swarf that you get from the Shear tool used properly is like a very very fine wool, "Fairy...
  42. Replies
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    588

    Hi Morrisman, Guys, I use a "Shear tool" for...

    Hi Morrisman, Guys,

    I use a "Shear tool" for fine finishing particularly if I'm going to run a ball race on it !

    395406

    The only problem with this kind of tool is that you can only remove a...
  43. Thread: Choosing a VFD

    by BaronJ
    Replies
    46
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    2,059

    Hi Bob, Guys, Yes I agree ! Basically...

    Hi Bob, Guys,

    Yes I agree !

    Basically suppressing radiated interference requires complete shielding, ie a metal enclosure, but you do have to take particular care to prevent radiated...
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    603

    Hi Guys, Most Beryllium copper is found in...

    Hi Guys,

    Most Beryllium copper is found in springs and similar items used in electrical components.
    Check Wikipedia for toxicity details ! Its the Beryllium that is toxic ! Basically do not...
  45. Thread: Choosing a VFD

    by BaronJ
    Replies
    46
    Views
    2,059

    Hi Rowdy, Guys, A cheap source of line filters...

    Hi Rowdy, Guys,

    A cheap source of line filters is old scrap washing machines ! The scrap yards here don't bother removing them since there is very little of value inside them.

    By law if they...
  46. Replies
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    Hi Guys, I have made several variations of...

    Hi Guys,

    I have made several variations of soft jaws over the past few years, non were particularly difficult to make !

    395390 395391 395392

    These were the first ones that I made. I used...
  47. Replies
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    818

    Hi Dave, Guys, You can also salvage the...

    Hi Dave, Guys,

    You can also salvage the magnets from a scrap magnetron from an old microwave oven !
  48. Replies
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    624

    Hi Guys, I have some of the "Weldon" type...

    Hi Guys,

    I have some of the "Weldon" type countersinks, brilliant for chatter free cutting. You could use your boring head and a shaped cutter in the mill, though I admit that I've ground a drill...
  49. Hi Oddbod, Thankyou for your reply and the...

    Hi Oddbod,

    Thankyou for your reply and the additional information. I completely understand what you are trying to do !

    The trick if you can call it that to keeping the teeth on the blade from...
  50. Thread: Clamp setup

    by BaronJ
    Replies
    13
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    790

    Hi Bob, Its only a line contact across the...

    Hi Bob,

    Its only a line contact across the bottom of the tube and vise base and the same inside the tube ! Plus any squash from the vise jaws.
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