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Type: Posts; User: sossity

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  1. Replies
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    This might be completely irrelevant, but as a kid...

    This might be completely irrelevant, but as a kid I remember playing around with polyester resin making paperweights etc. I think it used something like Methyl Ethyl Keytone Peroxide as a catylist...
  2. Thread: eclipse magnet

    by sossity
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    1,227

    Maybe just a normal thread would do? It would be...

    Maybe just a normal thread would do? It would be easier to make if you have to make the mating screw anyway.
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    I know how you feel, it makes you feel sick when...

    I know how you feel, it makes you feel sick when your expensive welder stops working. I have a generic 250A ac/dc 4 in 1 that works great while it works, but after 2 years I got the same fault as...
  4. Here's three you could use from RS in Australia,...

    Here's three you could use from RS in Australia, so you should get free delivery. I forgot to see if they were in stock

    http://au.rs-online.com/web/p/leaded-inductors/7361015/...
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    I'm not sure if this would help for drag tips,...

    I'm not sure if this would help for drag tips, but for my pilot start torch I would always start on an edge, or drill a hole to start on. For thin metal it's no problem to drill a hole and for...
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    I have been reading an american welding forum for...

    I have been reading an american welding forum for years and I remember this coming up. That forum gets quite technical (and very heated) but I'm sure these cheap flow meters are only calibrated to...
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    Yes, that's the type of regulator I am using. I...

    Yes, that's the type of regulator I am using. I figured out how to paste a link now http://en.wikipedia.org/wiki/Pressure_regulator#/media/File:Two-stage-regulator.svg
    What you suggest is a...
  8. Replies
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    6,236

    Regarding the regulator, there's a description on...

    Regarding the regulator, there's a description on Wikipedia of how a gas regulator works. In the second diagram on that page you cans see the screw "factory set pressure" This is the pressure the...
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    You might find this increases your gas...

    You might find this increases your gas consumption. The reason being the hose between the cylinder and welder gets up to 25~50psi when you stop welding. When you start again, that pressure rushes out...
  10. Thread: OCP with LED

    by sossity
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    1,255

    We were taught that your eye is most sensitive to...

    We were taught that your eye is most sensitive to red light, in particular because it has the longest wavelength and gets deeper in the "receptor" and builds more charge or has a bigger effect....
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    I think this is because of the extra weight of...

    I think this is because of the extra weight of the second battery. It will take more power to keep the thing in the air with two batteries. You are not really comparing apples with apples unless...
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    You're probably smarter than me! I use mine...

    You're probably smarter than me! I use mine quite often to cut stuff like 150x150x8 at a 45 degree angle. Can't do that on my bandsaw. Because i need to cut four straight lines (one on each side...
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    Not trying to be funny, but did you remember to...

    Not trying to be funny, but did you remember to connect an earth? If its got a pilot arc, it will cut with that, but you won't get good results and it will burn out the consumables quickly.

    In...
  14. Replies
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    3,403

    It's just an opinion, but I would avoid plasma...

    It's just an opinion, but I would avoid plasma cutters on a welder. My welder bust while using the plasma cutter. When I was searching the internet for any help, this turned out to be a really common...
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    Take lots of photos as suggested, even ones you...

    Take lots of photos as suggested, even ones you don’t thinkyou will need.
    I took the whole thing apart because I wanted to grease itall and remove grit. It was worthwhilebut the only place it was...
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    5,293

    I have the same lathe and I took it apart when I...

    I have the same lathe and I took it apart when I first got it, looking for casting sand. If its the gear I marked in the photo, I seem to remember it just comes off with gear puller, hopefully no...
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    4,980

    It's not essential to have a footbrake to thread...

    It's not essential to have a footbrake to thread close to a shoulder. You can disengage the half nuts at the appropriate point, and let the cutter cut a circle right round, then let the lathe stop in...
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    A tip I got from here but surely worth repeating,...

    A tip I got from here but surely worth repeating, if you want your Morse taper to really grip in your tailstock, squirt it with wd40 first. I was amazed how well this works.
  19. Thread: Tig Newbie

    by sossity
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    2,931

    If it is the same fault, you will notice that the...

    If it is the same fault, you will notice that the arc doesn't turn down as much as you would expect, and just continues pouring heat into the metal. It should actually turn down pretty much as much...
  20. Thread: Tig Newbie

    by sossity
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    2,931

    I got a tig welder for the first time 2 years ago...

    I got a tig welder for the first time 2 years ago and spent a year doing only DC/steel, no aluminium. I had tried ac on Aluminium a few times just to see if i could, but if I turned the amps up high...
  21. I used a soldering iron for electronics for years...

    I used a soldering iron for electronics for years before I ever picked up a welder. I always thought soldering irons weren't hot enough, because I kept burning myself and I reckoned if they were...
  22. Replies
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    Not sure if this is a really stupid idea but...

    Not sure if this is a really stupid idea but could you try a dremmel and a carbide cutter to cut away the cast iron round the tap to lower the level of the CI wide enough to get a narrow pair of...
  23. Replies
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    I'm ashamed to say I ran my 250A ac/dc tig on a...

    I'm ashamed to say I ran my 250A ac/dc tig on a 15amp plug for a whole year as I was learning mostly below 100amps. http://d1r5wj36adg1sk.cloudfront.net/images/smilies/blush-anim-cl.gif First project...
  24. Replies
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    Yes, it was almost me! I still have a couple of...

    Yes, it was almost me! I still have a couple of cans of Colclene which is pure trichloroethylene. I was very likley to use it for particularly important welds and consider myself lucky to have seen...
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    worth checking out this link...

    worth checking out this link
    http://www.brewracingframes.com/id75.htm
    Argon, trichloroethelene and heat can make phosgene gas. I used to use loads of tric in the 80s to clean everything. Lucky I...
  26. Replies
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    If anyone is interested in more info about the...

    If anyone is interested in more info about the vertical shear cutter, have a look here
    http://www.chaski.org/homemachinist/viewtopic.php?t=84313

    Sorry for pointing to another forum but it is such...
  27. Replies
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    You might be able to pack the bandsaw clamp at...

    You might be able to pack the bandsaw clamp at the other end as suggested, but sometimes there is not enough to clamp to and it can pull out (I suppose depending on how good your clamp is as well)....
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    Last time I looked (which is quite a few years...

    Last time I looked (which is quite a few years ago I must admit), they used to insist on oxygen free copper in their cable, and could tell the difference depending on which way round the speaker wire...
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    Thanks, I'm glad someone thought it was funny. I...

    Thanks, I'm glad someone thought it was funny. I dunno, you think you know someone.....
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    You betcha! Actually don't knock it, 316 polishes...

    You betcha! Actually don't knock it, 316 polishes up great. I did actually make another prototype for herself.

    This was only 1/16th rod, just to prove you don't need a lot of materials to learn...
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    The best things in life are free...

    .....but you can keep them for the birds and bees

    The conversation went...

    Wife: How come you never get me any jewellery?
    Me: -I don't know what you like.
    Wife: I like anything with a big...
  32. Replies
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    The more I think of it, I'm pretty certain a...

    The more I think of it, I'm pretty certain a welder output should be floating. However, I've seen some strange things I can't explain.
    i had an old fashioned mains inspection lamp fall onto battery...
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    I'm not sure off the top of my head if a welder...

    I'm not sure off the top of my head if a welder output should be floating or not. I'd guess it should be floating.
    However, where was your earth clamp when this happened? If you're like me, it was...
  34. Replies
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    Can't help thinking this is a publicity stunt to...

    Can't help thinking this is a publicity stunt to get everyone talking about Leica. The video wasn't made on April 1st was it?
  35. Replies
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    I was lucky enough to come across a roll of mig...

    I was lucky enough to come across a roll of mig wire which I think is silicon bronze (first picture), in a scrap yard a couple of years ago.
    I'm not a proper welder but I tried some tests as best I...
  36. Replies
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    This sounds like a great idea. I've just got to...

    This sounds like a great idea. I've just got to think of a way to jam the door to the photocopier room first, or someone's bound to complain.
  37. Replies
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    I suppose it is hard to justify using tig for...

    I suppose it is hard to justify using tig for heavy guage steel, but I haven't used anything but TIG since I got the welder a couple of years ago. I just like using tig.
    Over the summer holiday, I...
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    Hi Grahame, Thanks for the feedback, that's...

    Hi Grahame,
    Thanks for the feedback, that's encouraged me to find some time to practise now. I always struggle with time and usually just build whatever it is that needs doing, so this is great:U
    ...
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    Hi Grahame, I would appreciate some feedback on...

    Hi Grahame, I would appreciate some feedback on my welds.
    Like many, I've never had a lesson or even seen a real welder work. I also suffer from the fact that I do no welding for months, then by the...
  40. Is it one of these you are after?...

    Is it one of these you are after?
    http://www.ebay.com/itm/1-PCS-Continental-quickly-water-or-gas-dual-purpose-connector-/291001145542?pt=LH_DefaultDomain_0&hash=item43c10518c6#ht_3220wt_1125
    I...
  41. Thread: Paint saver

    by sossity
    Replies
    5
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    2,183

    Paint saver

    I'm not sure if everyone already knows this but you can keep paint for years in an almost empty tin, if you put argon or argon/co2 mix on top. I used a lot of silver enamel about 5 years ago and kept...
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    I haven't owned either welder or used either...

    I haven't owned either welder or used either supplier, so i can't comment specifically. It's hard to know what to do with electronic welders nowadays. I recently spend days repairing a 4 in one...
  43. Thread: Argon Gas

    by sossity
    Replies
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    2,493

    Thanks for the link and confirmation of the...

    Thanks for the link and confirmation of the weight.

    If they have just regulated the contents before my regulator (down to half of what it normally is), I can't see why my regulator is showing...
  44. Thread: Argon Gas

    by sossity
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    2,493

    I just read online that you get about 8kg of gas...

    I just read online that you get about 8kg of gas in these cylinders, so I've got what I paid for.
  45. Thread: Argon Gas

    by sossity
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    2,493

    The only weight I can see on the cylinder is...

    The only weight I can see on the cylinder is something like 5.6MM xx 33.8kg xxxx 450BAR Sorry, can't remember what the xx letters were.
    I weighed it and it is ~9.5kg more than that. Any idea how...
  46. Thread: Argon Gas

    by sossity
    Replies
    5
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    2,493

    Argon Gas

    I just got a replacement 4.8M3 argon gas cylinder. The pressure on my guage is usually ~2500PSI. This time it was ~1250PSI. i contacted the supplier and he said it was correct, because
    The "new"...
  47. [QUOTE=blouis79;1718462]Good job! I think it's...

    [QUOTE=blouis79;1718462]Good job! I think it's worth posting the method you used to debug and the actual component you needed to replace. One day, someone, somewhere will benefit from your...
  48. I don't suppose anyone cares quite as much as I...

    I don't suppose anyone cares quite as much as I do, but I managed to fix the fault. I did a lot of welding yesterday at 230 amps to give it a good run. It's running as well as ever. I couldn't source...
  49. Replies
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    I'm just a diy hack, so take this with a pinch of...

    I'm just a diy hack, so take this with a pinch of salt, but I think the steel itself can be contaminated occasionally. I've had something similar to your results just three times, in very small...
  50. You can always use muriatic acid (30%...

    You can always use muriatic acid (30% hydrochloric acid) from a pool shop to strip the zinc off the ends of your tube. Just put an inch in a container and balance the tubes so the ends are in the...
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