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  1. #1
    Join Date
    Jul 2011
    Location
    Adelaide
    Posts
    837

    Default Supplier advice for rubber bush/mount.

    Imagine if you will a rubber grommet with ID ⅜" designed to go through a hole that is 11/16" in diameter in a piece of ⅜" plate.

    This is what the 3 motor plate isolation bushes in my Steelfast 370M looked like before oil rotted them away.

    Has anybody got any ideas on where I might find such a thing? I have already tried Fitch/UES in Adelaide.

  2. #2
    Join Date
    May 2011
    Location
    Murray Bridge S Aust.
    Age
    71
    Posts
    5,942

    Default

    Hi Eric, I doubt that you'll get a proper grommet in the size you're after, but I found something that may be adaptable for you.
    Here's the link;
    https://www.ebay.com.au/itm/10pcs-La....c100752.m1982
    Does it have to be rubber?? There use to be a place on Manton St Hindmarsh that made gear using urethane, similar to suspension bushes, it was called Agriculture Rubber and Plastics, they're now out Greenfields
    https://www.startlocal.com.au/indust...d_2069445.html
    HTH
    Kryn
    To grow old is mandatory, growing up is optional.

  3. #3
    Join Date
    Dec 2005
    Location
    South Australia
    Posts
    1,656

    Default

    You could try this company, I purchased some small urethane bushes for the motor on my my buzzer from them a few years ago ( hope they are still around )
    https://www.technicalurethanes.com.au/

    Royce Cross may have them

  4. #4
    Join Date
    Nov 2011
    Location
    Port Sephens NSW Southside
    Posts
    123

    Default Cable Glands

    Eric

    Would a cable gland do the job. Jaycar carry some as well as RS Components.

    https://au.rs-online.com/web/p/cable-glands/6694664

    This one fits a 20mm hole with 15mm of thread for mounting & cable size of 6-12mm.
    Bag of for $13.54

    JohnQ

  5. #5
    Join Date
    Aug 2010
    Location
    Toorloo Arm, VIC
    Age
    39
    Posts
    1,270

    Default

    If you've got a lathe, you can knock some up out of polyurethane rod....

    https://superpro.com.au/blog/116-superpro-poly-rods

    Superpro have a few stiffnesses, plus there are some helpful maching tips on the page, but there are many other suppliers.

    I've turned some polyurethane before, with a fairly high rake tool (although not as high as Superpro are suggesting), and it turns fairly well once you get the hang of the feed required. Haven't drilled it though, the stuff I've got was actually tube with a 1/2 hole in the middle which was all I needed. Don't know that it's available in anything smaller than that ID, but it might be.

  6. #6
    Join Date
    Mar 2011
    Location
    Southern Flinders Ranges
    Posts
    1,536

    Default

    Mackay Industrial Rubber (anyone that stocks Mackay Automotive products should be able to order them)
    https://9198c40c-83e9-4d43-bf42-8056bee9b747.filesusr.com/ugd/17eaaa_0f660765b3a74b3aa2a499143e646e5f.pdf


    Vibration Solutions
    https://vibrationsolutions.com.au/product/scb-mount/

    Evil bay (not quite your exact dimensions, but very close)
    https://www.ebay.com.au/itm/4pcs-Two...wAAOSwtfNfcE1Y

  7. #7
    Join Date
    Jul 2006
    Location
    Athelstone, SA 5076
    Posts
    4,255

    Default

    anything on this page
    Pages from ues_cat_f_2.jpg

    As Adam suggests, I reckon there would have to be something in the Mackay range that would suit

    https://www.mackayrubber.com.au

  8. #8
    Join Date
    Feb 2013
    Location
    Laidley, SE Qld
    Posts
    1,038

    Default

    I've been making simple multi piece moulds and casting a few different grommets for an old car project. Small quantities of PU rubber liquids come from Rowe Trading in Adelaide.

    A crude sketch saves a thousand words.

    grommet mould sketch23122020.jpg
    IMG_3462.jpg IMG_3708.jpg

  9. #9
    Join Date
    Nov 2011
    Location
    Port Sephens NSW Southside
    Posts
    123

    Default Cable gland

    Sorry, miss read original post, thought it was for a cable to pass through.

    JohnQ

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