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  1. I'm a long way from a sheet metal worker/expert...

    I'm a long way from a sheet metal worker/expert but I've got a home made bending brake that looks like a scaled down/less features version of the one in the link and I would say no.
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    It's worth a try but you might find coolant gets...

    It's worth a try but you might find coolant gets flung all over the place - I have flood coolant on my mill, the coolant delivery nozzle needs to be in just the right place, 1 or 2 mm's in the wrong...
  3. A good ending to this story, as luck would have...

    A good ending to this story, as luck would have it, yesterday a sparky was on the job at the building site a few doors down and about to finish for the day, he came and had a look, after checking the...
  4. My son works in AV/Sound hire for a national...

    My son works in AV/Sound hire for a national company, they hire out and setup all manner of AV/sound gear from 10meter LED screens to podium mics - all of their gear must be test/tagged - he often...
  5. So it looks as if the job done by the...

    So it looks as if the job done by the landscaper's sparky is less than stellar - there's new building work going on a few doors down and I sometimes stop and talk to the tradies - next time I pass by...
  6. Shed power connection question for the sparkies.

    Prior to starting our new home build I put up a 4.5mx6m shed at the back corner of the block had it wired for power points and lights, which included it's own distribution board with a 3 circuit RCD...
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    That's why you have pedals

    That's why you have pedals
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    I still had this site bookmarked, it is about...

    I still had this site bookmarked, it is about escooters which are very similar to ebikes but lack pedal assist, it has a good lot of online calculators and is well worth a browse and may save you a...
  9. How does this work - does it just flatten the...

    How does this work - does it just flatten the minute ridges that are part of a bad finish, I can't see it removing any metal, while it is much quicker than emery paper is it ok to use on a surface...
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    A while back I looked into project to motorise a...

    A while back I looked into project to motorise a bike by adding an aliexpress BLDC 24V motor and throttle control, similar size to yours - 250W.


    To work out the gearing I googled info and the...
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    Others may not agree with me but I believe a bit...

    Others may not agree with me but I believe a bit of care is needed when using 1 and 2 flute/insert cutters on gear drive mills - if they are not cutting full width 1 flute cutters will produce an...
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    I came across a similar device recently while...

    I came across a similar device recently while tidying up my late father's tools/things - as a child I recall he used it a few times - screwed into the cylinder head in place of a sparkplug - a length...
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    I agree it is on the pricey side but then it's...

    I agree it is on the pricey side but then it's each to his own, I fitted a DRO to my lathe, it did take some head scratching to work out where and how to mount the readers/scales, total cost...
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    There's certainly some nice stuff there - being...

    There's certainly some nice stuff there - being just a hobby machinist most of it is a bit out of my league, but that doesn't stop me from still wanting it.
  15. This job actually gave me more grief than I...

    This job actually gave me more grief than I thought it would, after I eventually had the 24TPI thread fitting nicely (with no detectable play) I needed to carry out 2 more machining operations - a...
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    I was aware it's not a new idea, however that...

    I was aware it's not a new idea, however that setup in the photo is almost the same but not quite, remove the small chuck and you'll have to clock it up again to get it to run true, but if mounted on...
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    80mm Chuck on a 12x24 lathe

    Just finished this is the last week or so.
    There are times when I need to hold small diameter stock, as I mostly use a 4 jaw independent I made an adaptor to take a neat little 80mm TOS 3 jaw chuck...
  18. Thanks for all of the replies and tips - I...

    Thanks for all of the replies and tips - I thought my reasoning was sound but not so, I almost never do custom threads, my usual way is to get the sizes from tables just use tap and die, if the pitch...
  19. How does one calc the internal and external dimensions for custom threads.

    I recently cut a 30mm diam 24TPI external and matching internal thread - thread data shows the thread depth for a 24TPI thread is 0.68mm, for the external thread the stock was turned down to 30mm and...
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    I think it's going to be a long-term project...

    I think it's going to be a long-term project started while waiting for a blank back plate to arrive for my new 5" 4 jaw - there are quite a few diy hydraulic vice videos on youtube - seems like a...
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    Well it's done now - I guess the proof of the...

    Well it's done now - I guess the proof of the pudding will be in the eating, if it fails then I'll have to go back to the drawing board - won't be the first time, it's a bit of an experiment for...
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    Hydraulic cylinder end cap threads ?

    I'm making a small hydraulic cylinder, 30mm diam x 2mm thick wall turned from 1020 mild steel, and would like if possible advice on the end cap threads, max PSI would be up to 800psi.
    What I am...
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    Thanks for all the tips - job is done, the welds...

    Thanks for all the tips - job is done, the welds are ok, I would rate them around 8 out 10 for neatness - main thing is they don't look like spoggy sh!te i.e. just dribbled on - I'll try to get a pic...
  24. Is that a blade butt welder I see on the side of...

    Is that a blade butt welder I see on the side of the machine in the 2nd pic.
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    I'm doing the job for a friend's son - part of a...

    I'm doing the job for a friend's son - part of a fitness machine he is modifying - the friend did explain it but to be honest I wasn't taking that much notice, I was more focused on the possibility...
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    Minimise/prevent warping

    I need to weld a 45mm long bracket onto a length of 27mm diam bar as shown in the rough sketch, I only have a old fashion style stick welder, the weld needs to be neat and tidy, the bar is 1020 mild...
  27. I cover my small T&C grinder (about the same size...

    I cover my small T&C grinder (about the same size as a D bit grinder) with a cover cut from an old cotton bed sheet and place a 25W incandescent globe under the cover, this is enough to keep rust at...
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    While the Vevor table looks the same as my Ebay...

    While the Vevor table looks the same as my Ebay table it may well be a top-quality item, mine is ok but a long way from top quality - with these things coming out of China it's hard to tell these...
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    I've got one of those Vevor X/Y tables, however...

    I've got one of those Vevor X/Y tables, however mine came from Ebay, it looks identical it was $165. While doing a CNC conversion on my mill I needed to use a mill so I bolted it down to the mill...
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    Something like an Owen gun is not that hard to...

    Something like an Owen gun is not that hard to make, back when I was a cadet in high school I recall we had 2 Owens in the Q store shed, I remember thinking how simple it was and wondering it I could...
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    I used my Arboga for many years before I came...

    I used my Arboga for many years before I came across the user manual, I wasn't surprised to read in the manual that Arboga do not recommend the use of 2 flute milling cutters - I had sort of worked...
  32. Thread: Macson Lathe

    by familyguy
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    I think shorts and safety boots are better for...

    I think shorts and safety boots are better for welding, at least that way the hot sparks that hit your feet can't escape.
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    You'll shoot your eye out !

    "You'll shoot your eye out."


    If anyone is interested in the origins of this saying and you happen to have a Foxtel subscription then take some time to watch "A Christmas Story" - this movie is a...
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    Not sure if JP Pistons in Windsor Gardens,...

    Not sure if JP Pistons in Windsor Gardens, Adelaide is still operating, some years back they made me a set of rings for a Honda S600 Roadster.
    Back in the day when I was playing around with bikes...
  35. Looks like the real thing.

    Looks like the real thing.
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    Saw the same story in the local weekend paper,...

    Saw the same story in the local weekend paper, while his handy work looks really well made, the guy's an idiot and deserves what he gets - if you are going to be making things like that you tell...
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    I'm sure the bottom frequency of 56Hz is not set...

    I'm sure the bottom frequency of 56Hz is not set by the potentiometer but by the settings in VFD, there are settings in most common VFD's that set the upper and lower frequency limits, the...
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    Why would you want a digital potentiometer ? I...

    Why would you want a digital potentiometer ? I may be wrong, but my understanding of a digital potentiometer is an electronic device that acts like an analog potentiometer, it's controlled by a...
  39. What I call partial shorts are actually shorted...

    What I call partial shorts are actually shorted turns, I've just gotten used to calling them partial shorts as distinct from dead shorts.
  40. Some of the transformer winders on the DIY Audio...

    Some of the transformer winders on the DIY Audio forum use spar varnish believing this is a better grade that can take a bit more heat, others use plain water based floor varnish and say it's fine -...
  41. Your winding setup looks pretty much cobbled...

    Your winding setup looks pretty much cobbled together but it does the job ok and that's all that matters, not being a motor winder there's not a lot of advice I can give, but I can say what I found...
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    I know it is nice to have your own hard copy but...

    I know it is nice to have your own hard copy but sometimes just being able to access a book online is enough - the Internet Archive has a 'borrow only' copy on the Minnie - to access it you need to...
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    Yes there is some truth in what you say - doing...

    Yes there is some truth in what you say - doing anything yourself is certainly more time consuming than farming it out to a workshop, and while the galvanising will be compromised I don't think it...
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    Many years ago, not being able to afford a...

    Many years ago, not being able to afford a factory made exhaust system I made one from straight pipe, by making a series of hacksaw cuts on the inside of the bends in much the same way as the...
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    My brother-inlaw works in crash repair, he uses...

    My brother-inlaw works in crash repair, he uses polyurethane adhesive quite a lot, comes in a caulking gun type tube, he says it has excellent holding power and will stick just about anything to...
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    Thanks for the explanation - makes sense and I...

    Thanks for the explanation - makes sense and I can see this may be useful in a production environment where time is money, but for home hobby use I'm not so sure, I'll have a look to see if my lathe...
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    I used a DRO on my mill for a few years and also...

    I used a DRO on my mill for a few years and also have one on the lathe but have never come across the term 'tool tables' - in looking this up on youtube I came across these in the first few minutes,...
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    Not sure if this applies to your bike - back when...

    Not sure if this applies to your bike - back when I was riding I noticed the same thing occurred on my Kawasaki but not so much on my Benelli. A friend also had the same Kawasaki we were both looking...
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    Are you trying to reduce the static friction -...

    Are you trying to reduce the static friction - 'stiction' - of the front forks ? I recall it was always an issue for sports riders back when I was riding.
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    I have a basic protractor although nothing as...

    I have a basic protractor although nothing as fancy as your Mitotoyo and if I need more precision, I just use rise/run with a DTI, however I do have a milling project coming up in a month or so once...
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