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  1. #1
    Join Date
    May 2012
    Location
    Melb
    Posts
    413

    Default After a supplier in Melb (South East if possible) for Aluminium profile for CNC table

    Hi all, I'm chasing some aluminium t-slot profile to replace the table on my cnc, ideally 150-180 wide x 30-45 thick, does anyone know any suppliers (out South East way if possible) that have reasonable alu prices on profiles?

    One supplier I looked some time back wanted around $200-$250 per l/m for 150 x 30 from memory.

    cheers, Ian

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  3. #2
    Join Date
    Jan 2012
    Location
    Australia
    Posts
    20

    Default

    Prices for t slot has gone up a lot lately. 3 suppliers I know of are.

    MKalu
    lineartechnik
    Modular components.

    All in melbourne.

    Sent from my MI 8 using Tapatalk

  4. #3
    Join Date
    Feb 2018
    Location
    Victoria, Australia
    Age
    64
    Posts
    61

    Default

    Hi Ian. I just ordered some from MKalu they are in Lewis Rd, Knoxfield VIC 3180.

    They have various sizes and fittings.

    Cheers, Tom
    Last edited by Old_Tom; 22nd Jul 2019 at 12:58 PM. Reason: More info

  5. #4
    Join Date
    May 2012
    Location
    Melb
    Posts
    413

    Default

    Thanks for that guys, I contacted AME and they had a 40x80/90 profile with weight=3.21kg/m @ $54/m, nothing wider/heavier though.

    Mkalu have a great range, I'm waiting on pricing for the 30 x 150 heavy profile at 7.88kg/m which looks perfect for what I want.

    Modular Components had a few good choices:

    Bed Plate Profile 8 15220
    $144Ex L/M
    0.0.465.79
    Max. L = 6000mm
    Weight, spec. Length
    m = 4.97 kg/m

    Bed Plate Connection Profile 8 5520
    $41Ex L/M
    0.0.465.80
    Max. L = 6000mm
    Weight, spec. Length
    m = 1.54 kg/m

    Profile 8 12040 heavy, natural
    $133Ex L/M
    0.0.416.29
    Max. L = 6000mm
    Weight, spec. Length
    m = 6.58 kg/m

    Profile 8 16028, natural
    $220Ex L/M
    0.0.026.85
    Max. L = 6000mm
    Weight, spec. Length
    m = 8.39 kg/m

    Although it's quite thick walled and looks great, the bedplate profile/joiner from them would be the easiest to fit, but is only 20mm high, so I'm not sure if it would be fine enough, or I'd need to go at least the 28mm high one to reduce flex/vibration.

    Choices, choices.

    cheers, Ian

  6. #5
    Join Date
    Dec 2017
    Location
    Aldinga Beach
    Posts
    341

    Default

    I bought mine from modular components. Excellent extrusion and the pieces they cut to size were very accurately cut. I just machined the holes for the special connecting bolts

  7. #6
    Join Date
    May 2012
    Location
    Melb
    Posts
    413

    Default

    Quote Originally Posted by ericks2 View Post
    I bought mine from modular components. Excellent extrusion and the pieces they cut to size were very accurately cut. I just machined the holes for the special connecting bolts
    What profile did you get, and was it for a frame or a table?

    cheers, Ian

  8. #7
    Join Date
    May 2012
    Location
    Melb
    Posts
    413

    Default

    I got a price from Modular on a 240 x 40 heavy profile, $300Ex l/m.

    The 240mm width is just perfect for my 6090, but if I could get it in a 28-32mm thickness it would be better still I think.

    cheers, Ian
    Attached Images Attached Images

  9. #8
    Join Date
    May 2012
    Location
    Melb
    Posts
    413

    Default

    Got pricing from Mkalu, but they didn't have the thicker walled 30 x 150 profile, the standard 30 x 150 is $45ex l/m, and the 30 x 120 is $40ex l/m.

    I'm a bit worried these two though won't be enough mass to adequately dampen noise/vibration.

    As you can see, there's a massive difference in mass between the two 30 x 150 profiles.

    cheers, Ian
    Attached Images Attached Images

  10. #9
    Join Date
    Jan 2012
    Location
    Australia
    Posts
    20

    Default

    I prefer to get the cheaper stuff and pack the pockets full or epoxy granite or basically a mix of epoxy, sand and rocks and it strengthens the extrusion and removes all the ringing and vibration.

    Sent from my MI 8 using Tapatalk

  11. #10
    Join Date
    Dec 2017
    Location
    Aldinga Beach
    Posts
    341

    Default

    Quote Originally Posted by aarggh View Post
    What profile did you get, and was it for a frame or a table?

    cheers, Ian
    I used heavy 160 x 80 for the frame and gantry. The stand i built from steel tubing and mdf.

  12. #11
    Join Date
    May 2012
    Location
    Melb
    Posts
    413

    Default

    I was planning on filling the pockets with resin/filler, but I want to try and get as rigid a profile as I can, as you would still get some sag proportional to the wall thickness no matter how the pockets are filled.

    If I really have to I'm still leaning to the 240 x 40 as I think it will give me the best rigidity and avoid any sag in the middle.

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