. .

Search:

Search: Search took 1.00 seconds; generated 81 minute(s) ago.

  1. Re: Looking for a trainee position as a cnc operator

    Excellent!
    I'm sure your enthusiasm will shine through and land you a place, let us know how it goes,
    Regards,
    Nick
  2. Replies
    215
    Views
    771,780

    Sticky: Re: Rotating Ballnut - design ideas

    Check out this configuration:


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

    Some nice food for thought in this vid:


    https://www.youtube.com/watch?v=OLpTJp6_qmg
  3. Re: trying to keep the machine close to the cutting area

    Steel is cheaper than aluminium so if you have the skills go steel every time! I would have built a steel router if I hadn't recovered my aluminium from an old magazine printer I paid £30 for all the...
  4. Replies
    6
    Views
    18,383

    Re: concrete base

    Don't forget DPC and adequate insulation under the concrete, I wish my workshop floor had insulation under the concrete, it wasn't even though of 40 years ago :-(
  5. Thread: concrete base

    by Clive S
    Replies
    6
    Views
    18,383

    Re: concrete base

    Well then you would need about 1.5 cubic mts of concrete and two sheets of A142 mesh (merchant size)
  6. Re: can someone recommend a place who can cut 10mm acrylic

    Sure, PM me and Ill give you my email address to send the drawings / CAD to.
  7. Replies
    38
    Views
    112,491

    Re: can someone please help with hole dimensions

    Ash,

    Keeping it simple - to bolt part A to part B with a flush fitting M8 cap head:

    1. If you are doing the work:
    Part A- scribe centre of hole, use centre punch, spot drill and then drill a...
  8. Replies
    38
    Views
    112,491

    Re: can someone please help with hole dimensions

    You having a laugh.!! Drills are about much good at making accurate holes as I am at pole dancing.!! The whole point of Shoulder bolts is precision and this requires reamed holes.

    I've not...
  9. Replies
    38
    Views
    112,491

    Re: can someone please help with hole dimensions

    Another way to look at this is that if you have access to high-precision machining and manufacturing facilities, you can make parts to incredible accuracy and just assemble. That's how car...
  10. Replies
    38
    Views
    112,491

    Re: can someone please help with hole dimensions

    This is getting silly now just use standard cap head bolts like everybody else dose
  11. Replies
    38
    Views
    112,491

    Re: can someone please help with hole dimensions

    ok, the precisionist in me is screaming right now because I work with drawings, precision and accuracy on a day to day basis.

    Everything has a tolerance, even ground shoulder bolts. A vernier...
  12. Replies
    38
    Views
    112,491

    Re: can someone please help with hole dimensions

    Never assume that the machine shop knows what you mean or need. You can however be as descriptive as you want. For example, you add an arrow to the threaded whole with a note leading from it saying:...
  13. Replies
    38
    Views
    112,491

    Re: can someone please help with hole dimensions

    The rails have larger than normal clearance holes to allow them to be adjusted as needed. If your rails have 4.5mm holes and they are screwed in from the top, you will need to make M4 tapped holes....
  14. Replies
    22
    Views
    22,711

    Re: 8 x 4 build

    That frame revision looks sweet now Ash.

    .Me
Results 1 to 14 of 14