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  1. Yea I no I am being pedantic on this but I have...

    Yea I no I am being pedantic on this but I have seen the end result on two major failures. One a tank tried to go through a double brick wall. Luckily it did not make it as 5 people were working on...
  2. Gas expands as it decompress. Turns things into...

    Gas expands as it decompress. Turns things into projectiles.
    Fluid does not compress so no expansion.

    Look up air tank explosion on google

    Tony
  3. And in that lies the rub. Single stage...

    And in that lies the rub.

    Single stage compressors can achieve 150 psi if there is a failure in the control system and the pressure relief fails to work. It does happen.
    Over the last 10 years ...
  4. A couple of questions. What sort of tooling are...

    A couple of questions.
    What sort of tooling are you looking at using.
    Is this for a home setup or commercial operation? (two tool usage has me asking)
    Power available, 240 or 415 volt?
    Is the...
  5. That basically covers it. Most spray guns need...

    That basically covers it.

    Most spray guns need at least 10 to 14 cfm min to operate effectively. Tools like sanders, die grinders impact guns need 14 to 16 cfm to keep them running contentiously...
  6. Replies
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    Do these come with the changeable carbide tips...

    Do these come with the changeable carbide tips like the one in the OP or they a tool steel insert?

    Tony
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    Nice tool if you have one but I`ll stick with my...

    Nice tool if you have one but I`ll stick with my DIY one.
    WW bits for ally and die grinder bits for steel. Good enough for me.

    391838

    Tony
  8. Thread: Linisher Belts

    by bts
    Replies
    13
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    589

    Its not always old or cheap that let go. I had a...

    Its not always old or cheap that let go.
    I had a brand new (name brand) out of the box 60 grit 100mm belt let go the first time I used it. Skin off the cheek and hair missing from the beard. The...
  9. Thread: Router Bits

    by bts
    Replies
    6
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    626

    I have used their straight bits 4,6 and 12mm on...

    I have used their straight bits 4,6 and 12mm on aluminium with good success. For the amount of work I do they are fine. If I was doing a lot of work I would step up to something better.
    Keep up the...
  10. Replies
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    I cannot remember the last time I used a spring...

    I cannot remember the last time I used a spring washer. Flat washers and a nylock nut.


    Tony
  11. Have to give him credit for the idea (and using...

    Have to give him credit for the idea (and using an angle grinder with a guard and handle) but I`d rather keep the vice grips as intended and use a clamp.

    Tony
  12. I am about the same. 14-40,25mm bar TPMT, 680rpm,...

    I am about the same. 14-40,25mm bar TPMT, 680rpm, 2mm DOC. No idea of mm/min I make it up as I go along.
    I do have a 41mm drill (m4t) but I don`t know that I save a lot of time as drilling is so...
  13. I`d take it to a shop. A half decent shop you...

    I`d take it to a shop. A half decent shop you will find that one of the guy`s there will come out and give you a hand in sorting out what you need and not charge you for their time.
    If they are not...
  14. Replies
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    Unfortunately I will not be able to pick up the...

    Unfortunately I will not be able to pick up the belt sander that Bob offered in his post.

    Hopefully someone else will be able to pick it up and put it to good use.

    Again me apologies to Bob and...
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    Interesting point. With very few manufactures...

    Interesting point.
    With very few manufactures still left in Australia there is probable not enough call to make it here.

    Tony
  16. Replies
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    I was starting to get a complex about not having...

    I was starting to get a complex about not having one of these centring (or is than height) tools.

    Glad to see others use the tail stock and or facing methods.

    Tony
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    Thanks Bob.

    Thanks Bob.
  18. Replies
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    I am interested in the Arboga belt sander. Tony

    I am interested in the Arboga belt sander.

    Tony
  19. Thread: Cast ally blocks

    by bts
    Replies
    11
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    1,191

    Those were the days. 40 C dressed head to toe in...

    Those were the days. 40 C dressed head to toe in 5mm thick woollen leggings, knee length coat, spats, gloves, face shield and glasses. Standing next to a 1500+ deg molten metal.

    Tony
  20. Thread: Cast ally blocks

    by bts
    Replies
    11
    Views
    1,191

    Casting lumps of aluminium can have its problems....

    Casting lumps of aluminium can have its problems.
    If not degassing before casting, entrapped gases and small foreign material can cause cavity problems.
    Entrapped gas will usually show up as...
  21. Thread: Cast ally blocks

    by bts
    Replies
    11
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    1,191

    Sorry but never, never and I mean NNNEEEVVVVER...

    Sorry but never, never and I mean NNNEEEVVVVER put water near a fresh casting even if the top appears to be solid.
    Water just might find a way into a cavity and when it turns to steam it will come...
  22. I have just started a separate thread trying to...

    I have just started a separate thread trying to find out what`s going on with the old P&N.

    Tony
  23. Replies
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    P&N v`s Suttons and others

    From when I first started buying taps, dies and drills it the mid 70`s it was always P&N. An excellent Australian product.

    When Suttons took over P&N about 20 years ago P&N seemed to me to...
  24. M9X1, now that's rear at least as far as I`m...

    M9X1, now that's rear at least as far as I`m concerned.

    I have had standard sets of M7,9 and 11`s for over 35 years and used one 7 a handful of times. The others will rust away before they ever...
  25. Don`t go looking for a metric "special pitch". A...

    Don`t go looking for a metric "special pitch". A friend had to buy a single 10 x 0.75 tap for something. Cost more than a 3 set of 10 x 1.0`s I had bought the week before.

    Tony
  26. Try Searle fasteners there in Canning vale. My go...

    Try Searle fasteners there in Canning vale. My go to place for nut and bolts
    Bought standard 3 to 6mm taps from them. Not sure if the had fines though.

    Tony
  27. Replies
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    Thought I`d throw this up as an alternative. 12...

    Thought I`d throw this up as an alternative.
    12 volt power pack.

    390731
    This is mounted on my 2T engine crane with custom ram. Set to 1500 psi it will lift 2T easily.
    These pumps will do up...
  28. Thread: Pump problems

    by bts
    Replies
    16
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    1,053

    Not a good diagram. We use to make spanners like...

    Not a good diagram. We use to make spanners like this from 6mm to 19mm material mild steel plate.
    The holes in the gland nut were drilled and tapped to the required size. 8mm in this case.

    Cap...
  29. Replies
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    A bottle jack can be converted to work in the...

    A bottle jack can be converted to work in the press.
    However there are a couple of problems.
    Most of these jacks operate in the 6000 psi range.
    A vane pump or gear pump will not work if looking...
  30. Thread: Trolly Jack Mod

    by bts
    Replies
    17
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    1,357

    Ok, the old one picture is worth a thousand...

    Ok, the old one picture is worth a thousand words.

    I thought you where taking about the main ram.

    Yes just replace the two o-rings and it should be fine. Have a look at the rod and make sure...
  31. Thread: Trolly Jack Mod

    by bts
    Replies
    17
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    1,357

    If the piston has no seal then its the rod seal...

    If the piston has no seal then its the rod seal that`s leaking. Replace that and it should be fine.

    If your going to fit a piston seal I`d go for a cup seal or a "D" seal.
    O-rings have a nasty...
  32. Replies
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    From my old spec book AUST. STD AS1444-1979 ...

    From my old spec book AUST. STD AS1444-1979

    XK5150S, XK5155S and XK5160S spring steel as BHP called them (= AISI-SAE 5150 5155 5160),

    "The carbon chromium grades are used extensively for...
  33. Replies
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    Nice piece of 3D printing. Wish I could get my...

    Nice piece of 3D printing. Wish I could get my stuff to look that good.

    Tony
  34. Replies
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    This use to be just my lathe and drill press...

    This use to be just my lathe and drill press swarf cleaner. The lower bin catches the swarf and most of the water/oil with a little of the oil getting to the filter in the top.
    Get greedy and it...
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    It`s better than ending up in a scrap bin. Tony

    It`s better than ending up in a scrap bin.

    Tony
  36. Thread: Welding/Fab Table

    by bts
    Replies
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    2,063

    Mine is 930mm. Seems to be the best average for...

    Mine is 930mm. Seems to be the best average for standing where I can reach over to far side comfortable or sitting using the gas strut adjustable chair. Strangely enough the last time I was sitting...
  37. I must admit to not being up to date with what's...

    I must admit to not being up to date with what's on the market these days.
    Those Mirka sanders certainty look the goods. Unfortunately the $1000 dollar price tag puts it out of my reach for home use...
  38. It maybe but I`l still throw these out there. ...

    It maybe but I`l still throw these out there.

    Pneumatic is the way to go. This is of cause if there is enough air to drive them. 16 cfm is where you need to be to get continuous use from most air...
  39. Thread: Bead Roller

    by bts
    Replies
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    2,365

    Typical of today, cold rolled is more expensive...

    Typical of today, cold rolled is more expensive to make but cheaper to buy.

    Tony
  40. Thread: Bead Roller

    by bts
    Replies
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    2,365

    Something to keep in mind (which I had forgot...

    Something to keep in mind (which I had forgot about until someone mentioned hot rolled and cold rolled) is that the figures quoted by companies like H&F for their machines is for hot rolled material....
  41. Thread: Bead Roller

    by bts
    Replies
    43
    Views
    2,365

    What sort of weight are the draws expected to...

    What sort of weight are the draws expected to carry?

    I made some draws several years ago. The largest where 650w x 500d x 150h. Two of these draws carry about 50kgs each with no problems.

    They...
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    Wish I could remember more on this. Face centred...

    Wish I could remember more on this. Face centred cubic and body centred cubic are the atomic structures.

    Tony
  43. Replies
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    Ingots from 6 to 25 tonne which were then rolled...

    Ingots from 6 to 25 tonne which were then rolled into slabs, sheet or what ever for latter production.

    Tony
  44. Replies
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    Ok testing the memory here. With stainless...

    Ok testing the memory here.
    With stainless nickel content can vary between 0 and 40%. Chrome generally runs from 10 to30% depending on grade 2,3 or 4.
    Being a lot of years since I made the stuff...
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    Some forty + years ago part of my training was to...

    Some forty + years ago part of my training was to take the same samples you would have made, stretch, bend and generally brake them to see how they stood up. Others had to be polished to a mirror...
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    I have found this very useful when trying to...

    I have found this very useful when trying to figure out what grade a piece of steel is.


    390261390262

    Tony
  47. Replies
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    I have just seen your other post showing you have...

    I have just seen your other post showing you have fitted a manual valve.
    This should be open centred, so dump all the electrical stuff. Go from point 9 on the schematic to the manual valve and then...
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    When the pump is started 14 lets the oil go...

    When the pump is started 14 lets the oil go straight to tank (no head pressure on pump). When either valve 12 is operated valve 14 shuts in one direction forcing oil to 12 then opens another port and...
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    Looking good Steve. Glad you decided not to put...

    Looking good Steve.
    Glad you decided not to put the pump on top. Would have been a lot of mass up high.

    Tony
  50. Thread: Transmig 172

    by bts
    Replies
    9
    Views
    844

    Cannot really go along with those comments. Had...

    Cannot really go along with those comments.
    Had mine 20 years and its still going strong.
    With the flux falling off my stick rods(their that old) and no gas for the other mig or tigs this is...
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