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  1. Thread: TIG Shopping List

    by .RC.
    Replies
    22
    Views
    1,328

    The torch turned up and it did come with...

    The torch turned up and it did come with everything to start tig welding in a basic way. I did purchase a 2.4mm collet and holder at the local welding shop yesterday.

    So I grabbed the first piece...
  2. Thread: Mars Mill

    by .RC.
    Replies
    14
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    1,626

    Mars manufacturing must have been very capable at...

    Mars manufacturing must have been very capable at what they did. I did hear their lathes suffered high wear rates from soft cast iron. They also made diesel engines. There is one on youtube.
  3. From what I understand tungsten carbide does not...

    From what I understand tungsten carbide does not cut, but rather tears the metal off.
  4. Thread: TIG Shopping List

    by .RC.
    Replies
    22
    Views
    1,328

    OK, Thanks. The seller is having identical...

    OK, Thanks. The seller is having identical supply issues, and I suspect it is a Unimig issue. Some year or years back I have bought a Unimig 45 amp Plasma cutter and that took a month to arrive. ...
  5. Replies
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    A larger bore does not mean more flow. It is all...

    A larger bore does not mean more flow. It is all about how much can flow between the connection.

    I know some Ryco style have a larger bore and they will not press in the plunger on the female...
  6. Thread: Power Factor

    by .RC.
    Replies
    48
    Views
    1,303

    I was under the understanding that volts times...

    I was under the understanding that volts times amps gives you watts. Not volt amps. It is the reason why you do not pay for reactive power, because it is more difficult to measure, because of...
  7. Thread: Excavator Auger

    by .RC.
    Replies
    3
    Views
    197

    I think I will buy a Digga one. They are made in...

    I think I will buy a Digga one. They are made in Australia.

    In fact I did. :D
  8. Thread: TIG Shopping List

    by .RC.
    Replies
    22
    Views
    1,328

    I have finally decided to move onto TIG, already...

    I have finally decided to move onto TIG, already have the gas bottle and just ordered the same torch as in this thread....
  9. Thread: Power Factor

    by .RC.
    Replies
    48
    Views
    1,303

    I thought power factor of an electric motor...

    I thought power factor of an electric motor increases with the load put on it. Really bad under no load, less bad under load.
  10. Negative inserts have the advantage they are...

    Negative inserts have the advantage they are double sided. So a WNMG has six cutting edges to destroy.
  11. Thread: Power Factor

    by .RC.
    Replies
    48
    Views
    1,303

    So the question remaining for me is. What...

    So the question remaining for me is.

    What happens to the unused energy, or the reactive power?

    One information source says the unused energy is returned to the source. This is why bad power...
  12. Thread: Power Factor

    by .RC.
    Replies
    48
    Views
    1,303

    I am still not getting how you can have current...

    I am still not getting how you can have current flow at zero volts. However if the resistance stays the same and the voltage drops, the amps have to increase. So when the volts drop lower and...
  13. Thread: Power Factor

    by .RC.
    Replies
    48
    Views
    1,303

    That just confuses me Bob :)

    That just confuses me Bob :)
  14. Thread: Power Factor

    by .RC.
    Replies
    48
    Views
    1,303

    But you cannot have current flowing at zero...

    But you cannot have current flowing at zero volts. AC hits zero volts during the cycle. No amps can flow then.
  15. Thread: Power Factor

    by .RC.
    Replies
    48
    Views
    1,303

    After trying to find out what reactive power is,...

    After trying to find out what reactive power is, I have worked out most people do not know, including me.

    The best I can work out is lets say you have a device with a coil. The voltage starts at...
  16. Replies
    24
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    1,167

    Thanks, I have been watching quite a few Welding...

    Thanks, I have been watching quite a few Welding Tips and Tricks videos. I have used a triangle technique.
  17. Replies
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    1,167

    It is 3mm thick 150mm X 50mm, with another 150mm...

    It is 3mm thick 150mm X 50mm, with another 150mm X50mm on top of it for the tipping tray. I would have thought it should have been 4mm being a 3500KG trailer. My brother has an identical trailer...
  18. Replies
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    Sheraton lathes were a copy of sorts of the Le...

    Sheraton lathes were a copy of sorts of the Le Blond regal lathes.
  19. Replies
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    1,167

    I am certainly no expert on stick welding, and...

    I am certainly no expert on stick welding, and vertical up's, I have always found difficult. Having had to do some today, the unimig really seemed to have made the outcome better. I am not going to...
  20. Replies
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    652

    Probably not that uncommon for educational...

    Probably not that uncommon for educational facilities to buy accessorised Hercus equipment.

    More uncommon that they still have them and have not been dumped in the bin over the decades.
  21. Replies
    1,018
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    208,895

    Sticky: Who needs a good sized mill?...

    Who needs a good sized mill? https://sheppardrural.bidsonline.com.au/catalogue_detail.aspx?cdid=1156330&chid=17720
  22. If it goes north and the buyer wants to do a...

    If it goes north and the buyer wants to do a rebuild, I could probably be persuaded to grind the bed cheep cheep. It might take me awhile to get it done though. (not years but a few weeks.)
  23. Replies
    17
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    515

    Bandsaws can be very temperamental things. Not...

    Bandsaws can be very temperamental things. Not cut straight or blade jamming and coming off for no reason with lots of hair tearing out to find out why. But then they can cut bigger material.
  24. Replies
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    948

    If Mig is so easy makes you wonder why quite a...

    If Mig is so easy makes you wonder why quite a few modern inverter mig welders now are pre programmed where you choose the material and thickness and the machine sets the volts and wire feed.

    I...
  25. With the tailstock, you generally raise the upper...

    With the tailstock, you generally raise the upper section with shims.

    Have you got enough clearance in the dovetails so it is not touching anywhere there.

    You did scrape the long section first...
  26. Replies
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    355

    I like the art deco look to it. Would go well...

    I like the art deco look to it. Would go well with a 10EE.
  27. Thread: Money saving tip

    by .RC.
    Replies
    4
    Views
    437

    Money saving tip

    Have a great money saving tip here.

    Bought a Japanese made tap M12 and it was pricey, so on the second hole I thought why not save some money and make another tap.

    So there you go. Now I have...
  28. Replies
    36
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    1,308

    Mount the plate onto the spindle and bolt the...

    Mount the plate onto the spindle and bolt the cutter onto the table.
  29. From what I can find out that has never been...

    From what I can find out that has never been tested in court to find out whether it is true or not. There is lots of supposition due to very poorly worded law.
  30. Common sense would say you do not need a gunsmith...

    Common sense would say you do not need a gunsmith to do anything about fitting a sight to a firearm.

    But there seldom is anything common or sensible about firearm law.
  31. Replies
    13
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    506

    It looks to be a single tooth Sunderland process...

    It looks to be a single tooth Sunderland process of cutting gears. Sunderland machines use a form of rack.

    It is also the same way gearotic uses to create G code for gear cutting on a CNC mill...
  32. Just buy three long jumper leads. :D Or to get...

    Just buy three long jumper leads. :D

    Or to get real clever, run a line parallel and close to the cables.
  33. Replies
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    940

    The first question is what is rotating and what...

    The first question is what is rotating and what is stationary?

    Think of wheel bearings on a vehicle axle. The cups are a clearance fit, while the cone is an interference fit. Now think of a...
  34. Replies
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    1,167

    Some testing of other rods yields the following...

    Some testing of other rods yields the following results.

    6011's seem to strike fine.
    6013's are a bit crap.
    7014's seem fine.
    7016's a bit stickier, but they are sticky at the best of times....
  35. Timken must have had a plant somewhere. If I had...

    Timken must have had a plant somewhere. If I had to guess I would say Sunshine in Melbourne, no I was wrong it was Ballarat. Have seen a few Made in Australia Timken bearings out of a Sunshine made...
  36. Replies
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    1,167

    You are not suggesting my $2/kg retail price ...

    You are not suggesting my $2/kg retail price 6013 Permanent Brand chinese welding rods are to blame? :D

    I hope I do not have to change welding rod brands.
  37. Somehow I doubt all the components will be made...

    Somehow I doubt all the components will be made here. We do not have the capability to make bearings. Caravans will not go far without bearings. Well I suppose they will, but a lot of sparks will...
  38. Replies
    24
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    1,167

    Well there is one downside to this Mig, stick,...

    Well there is one downside to this Mig, stick, Tig welder.

    They decided to put something called Voltage Reduction Device on the stick setting. I have renamed it to make rods stick device.

    An...
  39. Replies
    2,429
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    474,075

    I had to replace the original torch on my...

    I had to replace the original torch on my transmig 250, I told the welding shop what I had and me not knowing any better, took what they sold me. A Tweco 4 torch. The torch will probably last...
  40. Replies
    24
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    1,167

    https://www.practicalmachinist.com/vb/transformers...

    https://www.practicalmachinist.com/vb/transformers-phase-converters-and-vfd/aussie-rpc-project-187272/
  41. Replies
    24
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    1,167

    This welder has three input leads, a neutral then...

    This welder has three input leads, a neutral then one for 240 and another for 415. When it is wired for 415, the cooling fan runs off the 240V wire and neutral. Mine is essentially an auto...
  42. Replies
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    1,167

    My welders are breeding.

    It seems my welders are breeding.

    Some weeks ago at an online auction I bid on and won a Miller Thunderbolt 300 amp AC stick welder. It is a welder that is single phase, but is 240V or 415V...
  43. Replies
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    348

    Just keep in mind that the drawbar thread changes...

    Just keep in mind that the drawbar thread changes from country to country. I have NT30/ISO30 tooling here with 12mm 1.5, 12mm 1.75, 1/2 Whitworth and 1/2 UNC.

    There is no world standard for what...
  44. Replies
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    642

    The people I talk to about it use it for welding...

    The people I talk to about it use it for welding all galvanised steel. Gates, stockyards, etc.
  45. Replies
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    642

    https://www.youtube.com/watch?v=iD7Y57gK3yU

    https://www.youtube.com/watch?v=iD7Y57gK3yU
  46. Replies
    15
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    642

    The amount of stickout you have also seems...

    The amount of stickout you have also seems critical in FCAW. Too long and it just sputters and carries on.

    The earth clamp is also another critical bit. It must have a good connection.
  47. Replies
    15
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    642

    I think everyone I know that uses FCAW uses...

    I think everyone I know that uses FCAW uses Weldclass Platinum E71T-11 wire. https://www.weldclass.com.au/product-group/2210-wire-gasless-platinum-gl-11/category/31-gasless-wire It is one of the...
  48. Replies
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    409

    Interesting video. Goes to show how we no longer...

    Interesting video. Goes to show how we no longer need machine tools of hundreds of tonnes weight that are limited in what they can do.

    A machine like that shown in the video, may not have the raw...
  49. Replies
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    527

    They probably have lead in the enamel coating, so...

    They probably have lead in the enamel coating, so for the first few burns keep away from the smoke.
  50. Thread: CIG Transmig 200

    by .RC.
    Replies
    5
    Views
    297

    How about this?

    How about this?
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