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Type: Posts; User: Michael G

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  1. Replies
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    As no one else seems to be interested, I'll...

    As no one else seems to be interested, I'll bite...

    Michael
  2. Richard, do you know what diameter shaft those...

    Richard, do you know what diameter shaft those metal bearing caps are meant to hold?
    Might be worth grabbing...

    Michael
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    Can't think what I'd use it for (a weird looking...

    Can't think what I'd use it for (a weird looking coffee table?) but that sort of length is enough to be useful for something. I'll take it if no one else has a definite use for it.

    Michael
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    My mistake - I assumed that hand reamers were...

    My mistake - I assumed that hand reamers were being used.

    Michael
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    Typically you only want a hole a few thou under...

    Typically you only want a hole a few thou under the reamer size. You might get away with reaming 5/8" to get 16mm but it would be tough going.

    Michael
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    As others will tell you, I normally work on the...

    As others will tell you, I normally work on the basis of material plus what it is worth to you for labour.
    Without pricing the material, I would guess a lump of Al for that would be around $30 to...
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    I've used them directly in ER collets and it...

    I've used them directly in ER collets and it worked well - until it didn't. As a result I made up an adaptor as pictured below.
    I came unstuck because the radii at the transition between the shaft...
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    Is there room for a sleeve? Just wondering...

    Is there room for a sleeve? Just wondering whether a thin sleeve (say 1 or 2mm thick) with new engraving that you secure over the existing scale may be the go.

    Michael
  9. Replies
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    Whitworth threads have (or are meant to have) a...

    Whitworth threads have (or are meant to have) a rounded crest and root. From a manufacturing point of view, they are easier to make without that. If those tapped holes were made with 'proper' taps,...
  10. Mine is on the left too, as that is the side you...

    Mine is on the left too, as that is the side you stand to operate the feed levers etc.

    Michael
  11. Replies
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    My mill was built in 1967 (I think) in Sweden....

    My mill was built in 1967 (I think) in Sweden. They went metric around 1850 I believe, but the machine still has Whitworth fasteners on it, and metric in some places. My 1957 British built lathe...
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    Another good one is KSR fabrication. While they...

    Another good one is KSR fabrication. While they occasionally do a bit of hooning, the work quality is excellent.
    https://www.youtube.com/channel/UCpgEv9rTyh3h5gJQHoQSyhA

    Michael
  13. Replies
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    Yes, and I will be doing that for some of the...

    Yes, and I will be doing that for some of the smaller diameters on the pulley but I have not got anything thick enough of the appropriate size for the larger sheaves. These are for poly-V belts, so I...
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    Aluminium round stock

    I want to make up some Al step pulleys and need some material - diameter 180x50 long, diameter 170x80 long and diameter 160x50 long. Anyone around Adelaide got some offcuts that size or close? (I...
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    391704 From the Hercus text book of turning ...

    391704
    From the Hercus text book of turning

    Michael
  16. Replies
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    G'day John Just wondering whether a gusset...

    G'day John
    Just wondering whether a gusset across the corner of the 'L' may be an idea - the hammer blows (or weight) will stretch and bend the joining screws.

    Michael
  17. Replies
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    The main issue with using a bandsaw for both wood...

    The main issue with using a bandsaw for both wood and metal is blade speed - a wood bandsaw should be run around aluminium speeds, which is about 3 times that used for steel. On the other hand CI is...
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    Also yes.

    Also yes.
  19. Replies
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    Likewise. I'll use them to hold 'the other...

    Likewise. I'll use them to hold 'the other corner', but not the one I'm trying to weld if I can at all help it.

    Michael
  20. You may have to remake the pedal to get a...

    You may have to remake the pedal to get a suitable section. The Audi designers would have done it that way originally because they could bend a single piece of rod to get the pedal. If you are going...
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    I haven't got CNC, but that part looks like it...

    I haven't got CNC, but that part looks like it could be made on a manual mill without too many dramas; I'd be willing to give it a go.
    (some accommodation for the interior square corners would be...
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    It is more likely to be money - that is, who is...

    It is more likely to be money - that is, who is going to pay for their time to examine these things. We get stuff approved at work for electrical installations, and invariably there is a fee for any...
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    I did once use the 'weld inside the race' method...

    I did once use the 'weld inside the race' method and it worked surprisingly well.

    Michael
  24. Replies
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    I must confess to being pretty mean when it comes...

    I must confess to being pretty mean when it comes to changing lens covers etc. I always seem to think that I just did it recently so I've started writing the date in texta in a corner (I do it with...
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    Reading the sales stuff, one thing that both the...

    Reading the sales stuff, one thing that both the Speedglas and Optrel brands claim is balance. I don't try lifting up the Elite as the weight is in the front - it stays down or is taken off.

    The...
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    Just as a note, the Elite is around 530g, so on...

    Just as a note, the Elite is around 530g, so on par with the Optrel (460g) and Speedglas (625g).

    I've had a look at the electronics on the Elite and they seem to be in a clip together enclosure,...
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    It might be. the local shops here have 2032 and...

    It might be. the local shops here have 2032 and everything else is up for grabs. Our Bunnings is not a warehouse, so stock is not as readily available. Some of the latest helmets seem to have...
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    Yes, the 'true view' or in Lincoln's case their...

    Yes, the 'true view' or in Lincoln's case their 4C technology is another one that comes up. Good to hear it is a positive feature.

    I assume the grind mode stuff is just so you can grind without...
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    Welding helmet features/ jargon

    I have a Miller elite that I am quite happy with but the on switch is a bit dicky these days so it might be on the way out. Being 16+ years old I doubt there would be spares for it readily available....
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    An instructive video from Jody

    Here he shows how just because a MIG weld looks 'good', it is not necessarily so...

    https://www.youtube.com/watch?v=H25zxJ-9y78

    Michael
  31. Replies
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    That holder will work if stamping on the flat,...

    That holder will work if stamping on the flat, but if you try to stamp on a curve you will only get the middle letters (that is, the ones at the tangent point). You'll have to stamp individually.
    ...
  32. Replies
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    Yup. That looks solid! Can't quite see all of...

    Yup. That looks solid!

    Can't quite see all of it, but it looks like you have the pot screwed to a piece of steel, then the pulley and then another bush. Pots like that won't do well with a side...
  33. Replies
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    Does not have to be too complicated. This is a...

    Does not have to be too complicated. This is a stamping jig I made mainly from flat bar back in '08 for a round dial on my lathe -
    391497

    Michael
  34. Replies
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    I'm thinking you could mount a boring bar (in a...

    I'm thinking you could mount a boring bar (in a square sleeve) in it. For repetitive boring, you could then drill and bore with the tailstock - no cross slide adjustments needed.

    Michael
  35. Replies
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    Recently I have been watching a Youtube channel...

    Recently I have been watching a Youtube channel (KSR fabrications) where the guy builds race cars (track and drag). He uses Nordlock washers (and has for some years) on his joints.

    The whole idea...
  36. By kind permission, here is a link to the video I...

    By kind permission, here is a link to the video I made on bandsaws

    https://www.youtube.com/watch?v=zcepTHv78YY

    Michael
  37. Replies
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    I use spacers because I don't cut enough short...

    I use spacers because I don't cut enough short stuff to warrant modifying the vice. However, I have a new trick in the arsenal. I could use this -

    391338
    Full product details below, but I bought...
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    Commercial grinding wheels have plastic spacers...

    Commercial grinding wheels have plastic spacers (not that thin mind you). The only thing I might suggest is making it slightly shorter than the thickness of the wheel, just to be certain the washers...
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    I have LED tubes for general lighting and as well...

    I have LED tubes for general lighting and as well have the LED 'floods' to throw light in particular directions (I periodically visit lighting shops and check out their outdoor section, as that is...
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    Mine came from Mitre 10, but Bunnings do have...

    Mine came from Mitre 10, but Bunnings do have them (inventory number 4371554). This is a 9W version but the Bunnings website also has a 15W version too. The 9W version is all of $20.99, so not bad...
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    A dazzling piece of luck

    Over the last few years I have been improving the quantity of lighting in my shed. It's not that I'm getting old you understand. It's just the photons are being age-ist, and demanding I use more of...
  42. I have a 1.5kW 2800rpm, 3 phase (flange mount)...

    I have a 1.5kW 2800rpm, 3 phase (flange mount) but it is 160mm in diameter (plus junction box on one side). Let me know if that is of use...

    Michael
  43. Worth noting that loading wheels up with Al etc...

    Worth noting that loading wheels up with Al etc is not recommended. The theory is that the metal can expand and crack the wheel. Once the wheel is cracked, pieces can then fly off...

    I'd agree...
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    Are they the ones with the splined bore? If you...

    Are they the ones with the splined bore?
    If you can post a pic it might help someone with a pile of miscellanious gears pick one that might suit.
    If you can't find one, I could probably cut one.
    ...
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    Oh dear. Not good. I have some heavy duty power...

    Oh dear. Not good.
    I have some heavy duty power cord here if you want to try again. (Some numpty managed to cut an extension cord at work. Plugs were moulded on, so one end has a socket - the plug...
  46. Thread: Gunmetal !

    by Michael G
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    And colours described as gunmetal... Michael

    And colours described as gunmetal...

    Michael
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    Still available if your post Christmas finances...

    Still available if your post Christmas finances needed time to recover...
  48. Can you wire cut in a shallow keyway and then...

    Can you wire cut in a shallow keyway and then secure a new with some (countersunk?) screws from the outside? The keyway takes the shear load while the screws stop it twisting...

    Michael
  49. Replies
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    Is it worth visiting a power tool repair place...

    Is it worth visiting a power tool repair place and seeing if they have a similar brush? if it gets you a more secure supply of brushes, it might be worth making mods to fit them (or grinding the...
  50. Thread: DRO for SC4?

    by Michael G
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    Nothing too special here. Hardest part was...

    Nothing too special here. Hardest part was probably sorting brackets to go on the curves of the mill.
    391078 391080 391079 391081
    The mag strip is under the Aluminium on the front of the table. The...
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