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Type: Posts; User: Michael G

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  1. Replies
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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
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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
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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.
    ...
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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...
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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
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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
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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...
  15. 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
  16. 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...
  21. 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
  22. 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...
  25. 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...
  27. 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
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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...
  29. 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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    Darn it Bob! Now you have me thinking about how...

    Darn it Bob! Now you have me thinking about how to make one from scratch from Al.
    (Bit of rolling, bit of pressing, bit of welding...)

    Michael
  31. Thread: D1-3 pins

    by Michael G
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    MacIt - Catalog...

    MacIt - Catalog
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    Weld studs. The dimple on the bottom initiates...

    Weld studs. The dimple on the bottom initiates the weld (spot welding) and while the current is on, they are pushed into the molten weld nugget.

    Michael
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    Here's one I prepared earlier (for those who...

    Here's one I prepared earlier (for those who could not understand what I was going on about)
    390995
    This is a 3D printed thread that I needed to keep a metal nut on firmly, without preventing...
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    Try drilling a shallow hole in the thread, of a...

    Try drilling a shallow hole in the thread, of a diameter to take a small piece of line trimmer cord (or 3D printer filament). Put a small piece of line in and that will provide friction to partly...
  35. Thread: DRO for SC4?

    by Michael G
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    The main problems with glass slide DRO's is that...

    The main problems with glass slide DRO's is that they are big, especially compared to the size of your lathe. I have a magnetic scale DRO from these guys...
  36. Open mesh is fine when the road is clean and dry,...

    Open mesh is fine when the road is clean and dry, but at times when it is not, even if you tarp the top of the load it will still get wet/ muddy from underneath.
    Agree with Bob on checker plate if...
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    I have a Fafnir bearing book (FBC = Fafnir...

    I have a Fafnir bearing book (FBC = Fafnir Bearing Company?) and according to that, when a 'L' is used as a prefix, it means that it is an internal self aligning type.

    Michael
  38. Thread: Setups 2

    by Michael G
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    Get some Al plate the size you want and bolt that...

    Get some Al plate the size you want and bolt that on as a false table. You could put T slots in or put in a grid of tapped holes that match your hold down bolts.

    Michael
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    Email or ring Mick Moyle's in Sydney. That's the...

    Email or ring Mick Moyle's in Sydney. That's the sort of thing they have sitting around sometimes.

    Michael
  40. Thread: Mill Gears !

    by Michael G
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    https://www.skf.com/group/products/rolling-bearing...

    https://www.skf.com/group/products/rolling-bearings/ball-bearings/thrust-ball-bearings/productid-51203

    Michael

    (if the dimensions are the same, might be worth swapping the bearing out for...
  41. Thread: Mill Gears !

    by Michael G
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    G'day John The thought that springs to mind is...

    G'day John
    The thought that springs to mind is to get a bead of bronze weld put on the top of the teeth (where the wear is) so that you can file it back to profile.

    I can't quite imagine how...
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    You have a TIG and they usually run stick without...

    You have a TIG and they usually run stick without an issue. If you don't do much welding, do you really need MIG as well?

    Michael
  43. Dave, I'm into guess work here a bit. Even with...

    Dave, I'm into guess work here a bit. Even with ribs, the inner may buckle a little bit, but it will depend on how uniform the heat distribution is - if it is uniformly heated then it will uniformly...
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    I'd perhaps try Peter's suggestion of fabricating...

    I'd perhaps try Peter's suggestion of fabricating from pipe and flat.
    The other way that I would consider is hot bending some flat around a pipe or piece of barstock (start long, bend then trim to...
  45. It would be better. The key thing here is...

    It would be better. The key thing here is stiffness. As per the sketch below, I would go for the 'box in a box' concept as that will help keep heat away from the sides and allow some movement of the...
  46. Aluminium might work, but the trouble is that if...

    Aluminium might work, but the trouble is that if the fire gets hot enough it could anneal, so go soft on you.

    Michael
  47. When I was active in scouting, all the BBQ's we...

    When I was active in scouting, all the BBQ's we used were plain steel. Better conduction than stainless (so not as potential to warp). The grease/ oil from the food being cooked usually was enough to...
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    Another one to try - ...

    Another one to try -
    https://www.classicfasteners.com.au/

    Michael
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    I suspect that it is better bolts. I remember...

    I suspect that it is better bolts. I remember when working for a defence contractor that we had a particular grade of bolts specified on the drawing, just to ensure they were the right fit.
    You may...
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    Interesting project Steve. I haven't got a Hercus...

    Interesting project Steve. I haven't got a Hercus R/T but would be willing to help nut out what the parts would look like - one of my dividing heads is probably about the same vintage and the handle...
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