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Type: Posts; User: Stringy

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  1. Thought those machine marks may have been from a...

    Thought those machine marks may have been from a previous repair/weld prep.
  2. Hi Cliff, Looking at this shaft and flange;...

    Hi Cliff,
    Looking at this shaft and flange; where the weld has separated and the age of the grader, I'm thinking that this may be a casting! Damn hard to tell from a picture, but if it is then the...
  3. Replies
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    If you wear reading glasses to read then you need...

    If you wear reading glasses to read then you need to wear them to weld. If they are bifocal or multifocal they will be no good to weld with, you need the single focal length like the cheap readers...
  4. Replies
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    4,897

    Please explain what the copper plate is for, heat...

    Please explain what the copper plate is for, heat sink, cleaning tungsten or balling tungsten. Yep this is a loaded question.
  5. Replies
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    5,885

    If they did try, they won't be about to answer...

    If they did try, they won't be about to answer your question!

    A acetylene cylinder is not just a hollow container filled with gas, it is filled with a fiber mass and acetone, when the bottle is...
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    7,136

    Damn springy stuff hey!!!!!!!!! Hang onto the...

    Damn springy stuff hey!!!!!!!!! Hang onto the free end when installing and do not let it go until it is fed into the guides/drive rolls and secured!

    Hope you don't intend to wind it back onto the...
  7. Thread: welding

    by Stringy
    Replies
    4
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    5,573

    Welcome Rabbito, Machine; do you seem to have...

    Welcome Rabbito,

    Machine; do you seem to have full amps at the weld zone-if not then there is either a bad connection or if it is only sparking then a rectifier diode has died, there is not much...
  8. Yes. You need to change the +ve lead that...

    Yes. You need to change the +ve lead that connects to the handpiece conduit mounting block over to the work lead and vice versa.
  9. Replies
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    21,045

    wonder if a run on tab (old piece of scrap metal)...

    wonder if a run on tab (old piece of scrap metal) would help and give your eyes time to adjust before runing onto the job. This is tacked to the job!
  10. Replies
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    5,748

    You are on the right track with building a...

    You are on the right track with building a template but, do not use paper! Manilla folder or cereal packet cardboard is the go and if you hold it in place and give it a rub with the pein end of a...
  11. Replies
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    14,867

    Always thaught "V" was for voltage capacity...

    Always thaught "V" was for voltage capacity (wrong!) and that the handpieces were rated in voltage steps,9,17,26 don't know why they are rated in volts when everything else is rated in amps!!!!!!!!!
  12. Replies
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    14,867

    That 26v torch is a fair lump, could you go for...

    That 26v torch is a fair lump, could you go for the smaller basic 17v without the trigger and a gas tap. I hold the torch by the head as well with either foot control or scratch start to bypass...
  13. Replies
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    12,844

    If damp it will clump and not flow down into the...

    If damp it will clump and not flow down into the pipe, also creates gaps between the clumps of sand. If heating, the moisture will boil into steam/expand and cause problems.

    Cat s**t in the sand...
  14. Replies
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    12,844

    The old pipe was mild steel and thicker wall, the...

    The old pipe was mild steel and thicker wall, the old style formers for this have a tighter radius. The new pipe is thin wall and high tensile requiring formers with a larger radius made for the new...
  15. Replies
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    8,693

    Dose the fear of saying yes to anything have...

    Dose the fear of saying yes to anything have everyone scared.

    There is nothing to say they are not legal in the regulations.

    You can purchase weld in stubs at any trailer supply place.

    I...
  16. Cold saw blade spins/designed for slow rpm,...

    Cold saw blade spins/designed for slow rpm, timber mitre saw high rpm.

    This blade is NOT designed for high rpm:no:!!!!!!
  17. Replies
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    9,688

    The ones I used back in 89 were all dc only.

    The ones I used back in 89 were all dc only.
  18. Replies
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    8,648

    If in doubt of what filler to use, then 316l...

    If in doubt of what filler to use, then 316l Stainless Steel filler wire is always a good choice. Have welded numerous tools and springs with this.

    Use the stick welder as it sounds like you...
  19. Sounds like you want to partially cut through the...

    Sounds like you want to partially cut through the sheet so it will bend along the area of thinned metal. I don't know of any tools that will do this with the accuracy needed on 2.4mm sheet, you...
  20. Replies
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    118,573

    I find it hard to comment on issues of "taste"...

    I find it hard to comment on issues of "taste" and "style" as they are so individual! So my comments are what I would like and not what you should do!

    The tray and cab look like two seperate...
  21. Replies
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    118,573

    Arc force is a voltage adjustment. It adds some...

    Arc force is a voltage adjustment. It adds some heat but mainly helps in situations where fusion is an issue. For GTAW it helps push the weld bead through the root and leave a nice convex...
  22. Replies
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    118,573

    Tray is looking good:2tsup:. I use Stainless...

    Tray is looking good:2tsup:.

    I use Stainless filler on jobs that are non structural and porosity is an issue due to contamination in the parent metal-usually traces of cadmium or zinc plating!
    ...
  23. Replies
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    118,573

    Looking good, Have you used stainless filler...

    Looking good,

    Have you used stainless filler and if so, for what reason?

    Has that transtig been reliable? Had a few issues with them myself - 3 died within warranty :(!
  24. Replies
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    7,369

    5356 is generally the filler I use for the cast...

    5356 is generally the filler I use for the cast motorcycle cases and car parts (commodore sumps) I weld up. Never had the cracking issues you are experiencing though only issues with impurities...
  25. Replies
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    13,502

    I have had a super drill for many years, they are...

    I have had a super drill for many years, they are adjustable and work fine. you will still need to ream the hole to finished size though. PracTool | Super Drill
  26. Thread: Weld size

    by Stringy
    Replies
    18
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    13,603

    I would ask you teacher to run you off the...

    I would ask you teacher to run you off the relevant sections, if this is not possible then you are enroled in TAFE and should have a TAFE card, with this you can go to the library and find the...
  27. Thread: Weld size

    by Stringy
    Replies
    18
    Views
    13,603

    Firstly you need to have a copy of AS1796 and...

    Firstly you need to have a copy of AS1796 and refer to this for anything you are not sure of.

    Regarding weld size; there is a bit more to it than just measuring from toe to toe with a set of...
  28. Replies
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    6,768

    The 2mm will be a big big handfull and your LN25...

    The 2mm will be a big big handfull and your LN25 will have trouble feeding, a LN9 is the only way to go with 2mm and then only if a lot of downhand work is to be done. Go with the 1.7mm!
  29. Replies
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    6,768

    NR232 is the go if you are after deposition in...

    NR232 is the go if you are after deposition in all positions. It is very sensitive to drag angles and technique, you must watch the slag forming (a break in the slag is a disaster) as well as the...
  30. Replies
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    6,768

    Lincoln NR211 has been around forever, has a...

    Lincoln NR211 has been around forever, has a greyish semi covering slag coating but is still used a fair bit. pool solidifies fast. Old school and not that high a deposition.

    Lincoln NR232 is...
  31. Replies
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    7,735

    set up a hub for the 15kg spool behind your...

    set up a hub for the 15kg spool behind your welder and drill a hole in the #### to feed the wire through to the feed rolls:2tsup:!
  32. Thread: Tig ticket 7

    by Stringy
    Replies
    30
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    22,738

    No congralutions required as I am their teacher,...

    No congralutions required as I am their teacher, and counsellor on test day!

    8G and 8F have about a 85% failure rate mainly due to lack of fusion, but then the pressure tickets don't come easy. ...
  33. Thread: Tig ticket 7

    by Stringy
    Replies
    30
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    22,738

    Congratulations!!!!!!!!!! Just had our tests...

    Congratulations!!!!!!!!!!
    Just had our tests here on Wednesday and Thursday, 18 in total. Nothing prepares you for the stress on the day!

    Are you going for another ticket next semester?
  34. Replies
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    Yep, you are spot on with the drawing! I used to...

    Yep, you are spot on with the drawing! I used to rebuild and re-valve dirtbike suspensions and this is exactly how their valve stacks work, they don't look as agricultural as leaf springs but the...
  35. Replies
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    Going to build a trailing arm similar to this...

    Going to build a trailing arm similar to this Vehicle Components - trailer parts suspension winches brakes axles Don't like the spring setup though and have been playing with mounting a leaf spring,...
  36. Replies
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    19,009

    Had a twin cab 4x4 a few years ago, the veichle...

    Had a twin cab 4x4 a few years ago, the veichle rarely carried loads and on rough roads would try to overtake itself. Solved this by installing a 3mm spacer between #2 & #3 springs, trialed this...
  37. Replies
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    9,365

    Positive ion's carry the zinc from the parent...

    Positive ion's carry the zinc from the parent metal onto the tungsten, grinding removes most but still has a tendency to smear the gal through the surface and be carried onto the tungsten although...
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    It dose not suggest that they are filled by...

    It dose not suggest that they are filled by anyone but their own refill points which are listed.

    One can only hope this will give the likes of boc some competition.
  39. Replies
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    25,284

    Wire feeder; This is a Constant Current power...

    Wire feeder; This is a Constant Current power source for MMAW and GTAW. A Constant Voltage power source is required for GMAW, FCAW and other wire feed processes.

    Or you can plug one into your...
  40. Sounds like you are picking up contaminants by...

    Sounds like you are picking up contaminants by removing the molten wire from the gas shield after you dip it into the weld pool then introducing this contamination into the pool causing the sparking...
  41. Replies
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    7,111

    Funny! I did the rounds of stainless fastening...

    Funny! I did the rounds of stainless fastening suppliers and boat shops in Newcastle, Warners Bay and Toronto today, back in Muswellbrook at 3pm, would have been happy to call in and give you some...
  42. What's wrong with a router? I find my variable...

    What's wrong with a router? I find my variable speed router great in aluminium and cast iron!
  43. Replies
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    6,754

    OK, I see that the supercharger/intercooler...

    OK, I see that the supercharger/intercooler (water cooled) is becoming standard on some performance veichles in the states, will the extra distance/volume give some throttle lag?

    Your cuts will...
  44. Replies
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    6,754

    I usually use a plasma cutter which most metal...

    I usually use a plasma cutter which most metal fab companies have, the cut isn't that prettey though, but then you are going to mill it anyway!

    Blower drive? are you going to turn up multi v...
  45. Replies
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    9,525

    Pulse; Higher amps and a less fluid weld pool. ...

    Pulse; Higher amps and a less fluid weld pool. This lets you run higher peak amps which will let you weld quicker and or have more control over the weld pool, the pulsing lets each pool cool down...
  46. Replies
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    25,428

    Nitrogen leads to porosity, see link for...

    Nitrogen leads to porosity, see link for concentrations. http://www.netwelding.com/improving_start_quality.htm
  47. Looks like bar fridge size to me :rolleyes:! Is...

    Looks like bar fridge size to me :rolleyes:! Is there a council clean up day nearing? A good locking mechanism and some moisture absorbing granules would make for a fine inexpensive safe.

    Yes,...
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    6,650

    Theoretically you can weld aluminium with DC...

    Theoretically you can weld aluminium with DC negative.

    The negative side of the AC wave heats/melts the parent metal.

    The positive side of the AC wave strips the oxide layer from the...
  49. Replies
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    Bike trailer, built 1989 this picture taken in...

    Bike trailer, built 1989 this picture taken in 92. One issue I did have was that people would walk up to me with a carton under their arm smiling and looking at the fridge on the trailer!
    Trailer...
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    18,412

    Garfield, Have you thaught about gutting a...

    Garfield,
    Have you thaught about gutting a fridge to use as a box? I used one for my bike trailer to store fuel, dirty riding gear and tools in.
    You will need to remove all of the lining inside...
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