584,850 active members*
4,446 visitors online*
Register for free
Login
IndustryArena Forum > WoodWorking Machines > Commercial CNC Wood Routers > how to raise large work piece by 5 to 10cm?
Results 1 to 3 of 3
  1. #1
    Join Date
    Oct 2017
    Posts
    22

    how to raise large work piece by 5 to 10cm?

    Have a CNC 3040 with a gantry that's too high. To reduce vibration, I moved the spindle all the way up in its collar. That results in a distance of 10.5cm from tip of spindle collet nut to the bed, or 9cm from tool tip. This is fine if I use a milling vise, but now I want to machine a large, 25 x 25 x 1 cm sheet of aluminum.



    How can I raise the work up by 9cm?

    Things I've considered:
    1. stack wood boards underneath and bolt down - the problem is the height can't be precisely varied and I have trouble finding long enough bolts that can fit in the T-slots

    2. lower spindle - I don't want to learn my lesson from https://www.cnczone.com/forums/chine...el-router.html again.

    3. lower gantry height - I can lower at most by 4cm or else the clearance (yellow arrow) will be too low for the milling vise.

    What I'd really like is an adjustable height table. I was thinking of a board with 4 screw feet or a scissor type lift. But 1 big problem I see is they can't resist lots load in the X & Y directions because the legs will have too much flex.

  2. #2
    Join Date
    Oct 2017
    Posts
    22

    Re: how to raise large work piece by 5 to 10cm?

    Solution found. Modified step clamps.




  3. #3
    Join Date
    Mar 2003
    Posts
    35538

    Re: how to raise large work piece by 5 to 10cm?

    Holding the wood like that can allow it to vibrate, which can affect the cut quality.

    But it may not bee too much of an issue on such small parts.
    Gerry

    UCCNC 2017 Screenset
    http://www.thecncwoodworker.com/2017.html

    Mach3 2010 Screenset
    http://www.thecncwoodworker.com/2010.html

    JointCAM - CNC Dovetails & Box Joints
    http://www.g-forcecnc.com/jointcam.html

    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)

Similar Threads

  1. Work Piece Slipping
    By JerryBurks in forum DIY CNC Router Table Machines
    Replies: 10
    Last Post: 12-19-2012, 08:40 PM
  2. 3d work piece with different depths
    By LockTech in forum BobCad-Cam
    Replies: 9
    Last Post: 11-08-2012, 09:25 PM
  3. holding a large piece
    By fatboy55 in forum Charter Oak Automation Support Forum
    Replies: 49
    Last Post: 11-10-2009, 10:12 PM
  4. Milling AL flat on a piece that's too large for a vice.
    By Cartierusm in forum MetalWork Discussion
    Replies: 21
    Last Post: 08-22-2009, 07:18 PM
  5. Cutting a piece to large for my mill
    By BeerFizz in forum OneCNC
    Replies: 3
    Last Post: 05-10-2007, 09:47 PM

Tags for this Thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •