Can wood parts be replaced with HDPE plastic?

New Home Forum LowRider Advice – LowRider Can wood parts be replaced with HDPE plastic?

This topic contains 5 replies, has 3 voices, and was last updated by  rolland elliott 3 months, 1 week ago.

Viewing 6 posts - 1 through 6 (of 6 total)
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  • #67222

    rolland elliott
    Participant

    I’ve seen other CNC kits use HDPE plastic. It’s the same stuff milk jugs are made of. Very durable and easy to cut out with a router. About $200 for a 4×8 sheet 3/4″ thick. So much more expensive than wood, but it will never warp or delaminate either.  Any reason why it wouldn’t work to replace the wood ends.

    #67225

    Ryan
    Keymaster

    It would work, but vs a $13 sheet of MDF….tough to justify. I would even guess MDF to be more rigid. I have some MP3DP’s made out of both.

    1 user thanked author for this post.
    #67400

    Barry
    Participant

    HDPE will flex over time.  I had a sheet of it in my barn, became a not flat sheet in about a week and a half.

    #67410

    rolland elliott
    Participant

    true 1/2″ does that,

    3/4″ is pretty much straight as an arrow through.

    #67660

    Barry
    Participant

    Shit, missed the 3/4″ part, or just blocked it out.  Hmm, if it’s white, some leds to bling it out would be pretty cool looking…

    What’s a 4X8 sheet of that weigh anyway?

    #68248

    rolland elliott
    Participant

    https://www.aqua-calc.com/calculate/volume-to-weight

    says 118 lbs.  which sounds about right. i always have my local plastic place cut it donw smaller and it’s still heavy.

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