Subject:
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Re: Strengthening Gears
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Newsgroups:
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lugnet.technic
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Date:
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Tue, 5 Mar 2002 13:39:27 GMT
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Viewed:
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4951 times
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Plastic doesn't get stronger under heat-treatment. This type of heat
treatment is used to control the crystallization of metals, and long-chain
polymers like plastic just don't behave like that.
If you need stronger gears, double them. It is the axles that are the weak
point generally, though.
--Jack Gregory
Mark R. Nusekabel <zedot@tampabay.rr.com> wrote in message
news:GsHIJ7.DBI@lugnet.com...
> In lugnet.technic, Thomas Avery writes:
> > I recently received an email from someone about strengthening gears. This
> > person claims that by boiling the gears and then cooling them with cold
> > water, their strength will increase.
> >
> > Has anyone tried this? What were your results?
> >
> > TJ
>
> This sounds like the basic technique for "tempering". You've probably • heard
> of tempered glass or tempered metal. From what I remember, this just
> changes the way the strength is handled in the material. A normal • material
> bends more instead of breaking. A tempered material won't bend as much,
> which gives the impression of it being stronger; however, it is more • likely
> to shatter than a normal material. Of course, if anyone is a materials
> expert (I'm not) then feel free to set me straight here. In any case,
> google finds many hits on "tempered glass", but none on "tempered • plastic",
> and there's probably a reason for that ;-).
>
> +Z+
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Message has 1 Reply:
 | | Re: Strengthening Gears
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| (...) Yes, this is true. (...) Now that's quite a statement! I got an email yesterday from someone saying that the axles were the weak point too. I don't know how you're using your gears, but when something breaks in my models, it's the gears! (URL) (...) (25 years ago, 5-Mar-02, to lugnet.technic)
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Message is in Reply To:
| | Re: Strengthening Gears
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| (...) This sounds like the basic technique for "tempering". You've probably heard of tempered glass or tempered metal. From what I remember, this just changes the way the strength is handled in the material. A normal material bends more instead of (...) (25 years ago, 5-Mar-02, to lugnet.technic)
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