(Topic ID: 292442)

Warped bakelite/ plastic combination needs flattening...

By Robo1

2 years ago



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  • Latest reply 2 years ago by NC_Pin
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    #1 2 years ago

    I just had returned to me a Gottlieb Queen of Diamonds that a year ago was just perfect. I loaned it to a museum and they had left it on so long a that the spinning bakelite disc in the head warped and scraped the backglass.... Totally disappointed.

    I need to flatten it out but because its a mix of the two materials and has snow shoes on it i can't just press it between glass. I need to bake it until its warm and try to flatten it with separate pieces of glass or books.....

    What temperature should I heat it to, and for how long?

    Any help would be great........

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    #5 2 years ago

    Steam! it worked quite well..... I will know more when its reinstalled but it is certainly 70% flatter. I had a pot that was just a tad shy of the diameter of the disc. I put the disc with the concave side down and I placed on it a plastic ring that was tall enough to be higher than the snow shoes, on top of that ring i placed a cast iron pot........and steamed it for about 5 minutes. I could actually see the disc flatten out. I removed the water and put it back the same way as when it was steaming.....let it cool and it really worked well. It seems that it isn't a true bakelite but more a composite material.
    Great to know if future discs or score units are warped.........

    Thanks for the interest and comments. I just ordered a repro from Shay for a gazillion bucks but at least the game will be saved!

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