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  1. #2101
    Join Date
    May 2011
    Location
    Murray Bridge S Aust.
    Age
    66
    Posts
    3,249

    Default

    Quote Originally Posted by simonl View Post
    Ive had this piece of heavy thick walled (about 30mm) pipe laying around in the dirt for a few years. Never really thought I would use it and was going to take it to scrap metal.

    It then occured to me that now I have a mill that can both nod the head and tilt the head that I may be tramming the head more often than I have done in the past. tilting my geared head mill is nothing short of a PITA since tramming requires tapping the head with a mallet until it's close, whereas the bridgeport clones actually have a worm gear for adjustment, making it a bit easier. Simon
    Simon, just a thought, with a piece of what you used, would it be possible to make a gear and worm to adjust the nod/tilt of your mill head?
    Kryn
    To grow old is mandatory, growing up is optional.

  2. #2102
    Join Date
    Aug 2011
    Location
    Melbourne
    Posts
    3,668

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    Hi Kryn,

    Im sure it could be done but it would be alot of work for a small gain. I now have a bridgeport clone (Pacific or Lagun in US) which has these features and i will soon be using it for all my work.

    Cheers

    Simon

    Sent from my SM-G900I using Tapatalk
    Girl, I don't wanna know about your mild-mannered alter ego or anything like that." I mean, you tell me you're, uh, super-mega-ultra-lightning babe? That's all right with me. I'm good. I'm good.

  3. #2103
    Join Date
    May 2011
    Location
    Murray Bridge S Aust.
    Age
    66
    Posts
    3,249

    Default

    As I said, it was just a thought, not realising you have a decent mill.
    Kryn
    To grow old is mandatory, growing up is optional.

  4. #2104
    Join Date
    Aug 2011
    Location
    Melbourne
    Posts
    3,668

    Default

    Quote Originally Posted by Anorak Bob View Post
    I managed 0.0003" Josh improved on that a touch! A Simple Tramming Ring for the Mill.
    Thats insane. I really didnt know you could get to that level of accuracy without a controlled evironment.

    Neither me or my SG are capable of those measurements. I think ill have to be satisfied with what i have. I do have ring envy though!

    Thanks for the link Bob!

    Simon

    Sent from my SM-G900I using Tapatalk
    Girl, I don't wanna know about your mild-mannered alter ego or anything like that." I mean, you tell me you're, uh, super-mega-ultra-lightning babe? That's all right with me. I'm good. I'm good.

  5. #2105
    Join Date
    Nov 2007
    Location
    melbourne australia
    Posts
    1,686

    Default

    Quote Originally Posted by simonl View Post
    I managed to get it flat (according to my 2um DTI) to within 0.008mm.
    Isnít that very close to the 0.0003Ē that Bob got?
    Chris

  6. #2106
    Join Date
    Aug 2011
    Location
    Melbourne
    Posts
    3,668

    Default

    Hi Jack, yea its pretty close but when you look at what Josh achieved at 0.000025mm its an order of magnitude better again!

    I think i can improve on my results if i wanted using the SG and definately improve it if i handscraped it but for what it will be used for its fine for my use.

    Sometimes its fun and rewarding achieving such levels of accuracy even if its not entirely necessary!

    Simon


    Sent from my SM-G900I using Tapatalk
    Girl, I don't wanna know about your mild-mannered alter ego or anything like that." I mean, you tell me you're, uh, super-mega-ultra-lightning babe? That's all right with me. I'm good. I'm good.

  7. #2107
    Join Date
    Nov 2007
    Location
    melbourne australia
    Posts
    1,686

    Default

    My mistake Simon. I didnít realise you were referring to the tramming ring in the video. I should pay more attention!
    Chris

  8. #2108
    Join Date
    Nov 2010
    Location
    Gippsland Victoria
    Posts
    543

    Default Rotary Table : WIP

    January this year : I was lucky to be first online after Joe88 offered a kit for building a rotary table Rotary Table - Unfinished Project 98% complete only a couple of minor jobs to do.

    Finally got around to it today, bored the hole for the wormscrew.

    Yes, it is egg shaped, because I bored the hole in the wrong place and had to 'odge it across a bit.

    Did that fairly carefully and although hole is egg shaped the screw is a snug fit between wormwheel and "other side" of bored hole. Put a screw through the block and into the collar to secure the collar and make sure the wormscrew couldn't back out of the hole.

    18 turns of the handle turns it 360 degrees =20 degrees per revolution.

    All I have to do now is scratch the graduations on the knob.

    How does one lubricate these things ? Is it a puddle of oil in the bottom of the bored hole or a heap of grease ?

    Made a tiny little swarf grabber from a piece of dowel, a magnet and a dried up permanent marker - far far better than simply flicking the mess somewhere else with a paintbrush. Just as easy to pick it with the grabber and dump it in the bin.

    Happy Winter to you ....... WormscrewAndBlock.JPGLoosely Assembled.JPGAnglePlateIndex.JPGMiniSwarfGrabber.JPG

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