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Type: Posts; User: ftkalcevic

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  1. Replies
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    Thanks for posting the photo. The pivot seems to...

    Thanks for posting the photo. The pivot seems to be much simpler than the designs in the patent.
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    The part called "sector block" and the mating...

    The part called "sector block" and the mating surface on "hinge plate" are spherical surfaces - which for a hobbyist like me is too much. But the original patent shows alternate designs...
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    Rotary screw compressors like this? 240 Volt...

    Rotary screw compressors like this?

    240 Volt Rotary Screw Air Compressors : Pilot Air

    (No price, so if you have to ask...)

    As for the cooling, I have 2 of these...
    ...
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    Yes, that's been mentioned a couple of times on...

    Yes, that's been mentioned a couple of times on this site.

    There's an ad online selling magnabend hinges as spare parts for $435 each. That's what I was planning on spending on my build...
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    Just bumping this old thread to... 1) ask,...

    Just bumping this old thread to...

    1) ask, again, if anyone has successfully built their own magnabend?
    2) a more specific question - what is the diameter of the circular hinge - just trying to...
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    Thank you for the replies. I would never have...

    Thank you for the replies.

    I would never have considered the condensation issue. I will probably use simonl's suggestion and snake some copper pipe around, below the level of the pump. I already...
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    If it wasn't a mac... An arduino is just a...

    If it wasn't a mac...

    An arduino is just a board with an atmel microcontroller on it. The free Atmel Studio will import sketches and then let you simulate the code in an emulator (ATmega328P ?)....
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    There's a plugged hole on the end of the tank...

    There's a plugged hole on the end of the tank that will be on the bottom in that orientation. I expect to use the tank as-is, only trimming off the handle.
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    Zero outside space. I live in a unit, and my...

    Zero outside space. I live in a unit, and my back room is my workshop. My backyard is a narrow concrete path between the house and the back fence.
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    Reconfiguring my air compressor

    I have a small 3hp 50litre air compressor. I wanted to use it more in my workshop, but it was really noisy, so I built an enclosure for it. Sadly, my workshop is small, and the final size of the...
  11. Thread: Fat MT3

    by ftkalcevic
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    3,386

    It was from a UK supplier. They checked their...

    It was from a UK supplier. They checked their remaining stock and they were all the same. I'll try it with a longer drawbar and see how it goes.

    For the record, it is a Vertex Boring and Facing...
  12. Thread: Fat MT3

    by ftkalcevic
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    Thanks for the replies. I'll contact the seller...

    Thanks for the replies. I'll contact the seller on Monday and see what they say.

    Apart from the overhang and more flex, I was also concerned about less taper surface area contact that could cause...
  13. Thread: Fat MT3

    by ftkalcevic
    Replies
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    3,386

    Fat MT3

    I just got a new boring head with an MT3 arbor and I was excited about giving it a go today.

    I slipped it into the spindle of my milldrill and noticed the drawbar didn't reach the threaded part of...
  14. I like that design (and name). It makes it easy...

    I like that design (and name). It makes it easy to position the drive motor and gear box inline with the axis.
  15. Thanks for the tips, I'll call around. As for...

    Thanks for the tips, I'll call around.

    As for my design (I've also posted this on cnczone)...

    I got a Sony Robokid and like the way it had an extended gantry. I thought I could use it with a...
  16. Source of thick wall RHS cut to size in Melbourne

    I'm trying to build my own small foot print mill. I like the idea of using thick wall (9-12mm) RHS (rectangular hollow section), but I can only find sources in Melbourne that sell full lengths (8m)....
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    That's what I'm planning on doing, but if my...

    That's what I'm planning on doing, but if my spindle isn't set correctly (through accumulated errors), I'm going to stuff up the saddle squareness. I was just wondering if there was a better way of...
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    Measure squareness of lathe saddle.

    This is a continuation of http://www.woodworkforums.com/185969-squaring-lathe/?highlight=square+lathe+saddle. I finally got some spare time - don't you hate it when work gets in the way of your...
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    Seeing we are so far off topic from my initial...

    Seeing we are so far off topic from my initial question...
    Are there any sellers of "good" small lathes? In Australia?
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    Wow! So many replies. Thanks guys, I'll try to...

    Wow! So many replies. Thanks guys, I'll try to answer some questions.

    As already mentioned, as I've already CNCed the lathe, I'm not too concerned about changing the saddle height. The...
  21. Replies
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    I am a rank amateur at machine tool repair. ...

    I am a rank amateur at machine tool repair. After I finish the lathe, I will have completed 1 project:no:

    I attended the 2nd Melbourne scraping class with the aim to readjust the lathe, but...
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    The lathe is a CQ6123B (Herless), or a generic...

    The lathe is a CQ6123B (Herless), or a generic 9x20 lathe.

    To turn a parallel bar, I would always have to place the workpiece between centers - I could never just mount it in a chuck, no matter...
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    Squaring my lathe

    Just a quick question...

    After aligning my spindle parallel to the way, I found that I now face convex.

    I'm about to realign the saddle - should I aim for dead square or slightly concave? If...
  24. I'm glad you found my site useful. I've created...

    I'm glad you found my site useful. I've created 2 versions of the DRO/speed controller. One for the lathe, which Fred now has, and a simpler one for my mill.

    Logically, there isn't anything too...
  25. Reliable source of SR44 silver oxide batteries?

    I haven't had much luck trying to find quality silver oxide batteries for my micrometers and calipers. The original batteries in my Mitutoyo calipers lasted more than 3 years. Any batteries I've...
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    Do you know where I can get them? I'm assuming...

    Do you know where I can get them? I'm assuming I'd loose the flex the corrugated hose gives?

    And here's a tip... If you wash out your festool hose with soap and hot water, be careful not to...
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    I have a similar setup. A Festool CT-11...

    I have a similar setup. A Festool CT-11 (discontinued) connected to a Clear Vue Cyclones CV06 (that was the only type available when I set this up).

    If I did it again, I'd get a cheap bunnings...
  28. I just made some counter weights for a robot arm....

    I just made some counter weights for a robot arm. Originally I was only going to use steel (7.5g/cm3), but then realised lead was denser (11g/cm3). I kept looking and found that tungsten is even...
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    Sticky: Places I've bought from... MINITECH...

    Places I've bought from...

    MINITECH ENGINEERING AND MODEL SUPPLIES
    www.bolt.com.au
    Hobby Mechanics | Model Engineering Supplies for over 25 Years
  30. Thread: Brass Hex

    by ftkalcevic
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    Online there is Minitech, MINITECH ENGINEERING...

    Online there is Minitech, MINITECH ENGINEERING AND MODEL SUPPLIES

    This is a link to their materials http://wic043u.server-secure.com/vs4487_secure/dept.asp?id=52
  31. Replies
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    When I designed my bench, I wanted to use ball...

    When I designed my bench, I wanted to use ball bearing drawer runners, but they all seem to take up a lot of space, either underneath, reducing the depth of the drawer, or on the sides, making the...
  32. Thread: Lathe Stand

    by ftkalcevic
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    I built a lathe bench similar to yours (Lathe...

    I built a lathe bench similar to yours (Lathe Bench)

    As already mentioned, I found two pieces of angle fine to hold the drawers. I used UHMW Polyethylene tape on the edges which provides a smooth...
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    Adjustable feet

    I built my a bench for my lathe, similar to the one in another thread. The frame was about 80kg, plus drawers and parts.

    I used adjustable feet to get my bench stable and level before working on...
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