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    Thread: New Hub back plates

    1. #1
      Will is offline newbie
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      Default New Hub back plates

      Hi
      Is there anywhere I can buy new backing hub plates for my 1992 MA70 7M-GE that Iím refurbishing . Any sites that I have looked at are all showing up discontinued . Can anyone help .Cheers Will

    2. #2
      Martin P's Avatar
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      Default Re: New Hub back plates

      Doubt you will find any new ones best bet is a set of used ones an clean them up an paint them. Is it the outer section that covers the disc that's rusted away ?
      All UK cars use the same sized back plates .

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      Default Re: New Hub back plates

      I guess if these are becoming an issue we could look at having some made if theres's enough interest.
      If someone wants to start a list please feel free I am guessing we would need to have at least ten pairs needed to make it economic.
      If someone has a set off a car so I can do a drawing that would be useful then I can get an expected price.

      I still have a number of valley plates, about 31 sets of EGR delete plates in stainless if anybody wants them....

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    5. #4
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      Default Re: New Hub back plates

      good idea but, these plates would originally have been produced by pressing a flat plate into a preformed mould, not saying it can't be done, but being a fabricator/welder myself....i think getting them made would be a problem,

      if i needed some....well it's usually the outer rim of these plates that rust away, i think i would find what car had the same diameter cover plates, buy new ones and cut the outer rim off them and weld them onto the supra ones....just an idea

      this isn't a back plate for a supra, this is just an image to show how complicated they would be to make..
      images.jpg
      Last edited by john89t; 07-01-19 at 06:28 PM. Reason: image added
      1993 Toyota Supra , white 050

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      Default Re: New Hub back plates

      In these days of 5 axis cnc mills nothing is out of the question, a lot of the cost is getting the design drawn up and the cad/cam I can do that bit, the material cost is not high and the machining time is normally around £60/£70 p/hr plus any setting time or jigs can't asses them till its drawn up.
      Depends on how desperate and how rare they are getting, if it gets to the point we are scrapping cars for a lack of a back plate.....
      Never an issue to do a drawing and get a cost - often if 10 pairs are made that get the price down to about as low as it will go unless you need 100's!

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      Default Re: New Hub back plates

      Quote Originally Posted by Nick T View Post
      In these days of 5 axis cnc mills nothing is out of the question, a lot of the cost is getting the design drawn up and the cad/cam I can do that bit, the material cost is not high and the machining time is normally around £60/£70 p/hr plus any setting time or jigs can't asses them till its drawn up.
      Depends on how desperate and how rare they are getting, if it gets to the point we are scrapping cars for a lack of a back plate.....
      Never an issue to do a drawing and get a cost - often if 10 pairs are made that get the price down to about as low as it will go unless you need 100's!
      why would anyone scrap a car for lack of a back plate? their not needed for the MOT..
      these plates are about 1mm thick, and to produce them they were pressed, i don't doubt with today's technology they could be reproduced on a CNC mill, but at what cost? you would start off with a plate 250mm diameter by 30mm thick, (approx)
      you seem very keen that these can be reproduced, i would be interested in a pair of rear one's depending on cost of corse
      1993 Toyota Supra , white 050

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      Default Re: New Hub back plates

      I have a 5-axis mill and the cost to produce the press tool for these would be between 4 and 5 figures...

      Sarge.

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      Default Re: New Hub back plates

      Quote Originally Posted by Sgt Bilko View Post
      I have a 5-axis mill and the cost to produce the press tool for these would be between 4 and 5 figures...

      Sarge.
      Better count me out then....
      1993 Toyota Supra , white 050

    12. #9
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      Default Re: New Hub back plates

      Not on about making a press tool, I was saying you could mill these complete as they do when the car companies do concept cars, lots of the new bmw mini parts were machined from solid billets at a company local to my works many of these parts are now formed in presses.
      If you were wanting to only make a few it would be crazy to even think of making press tools...

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