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Subject: 
Re: Strengthening Gears
Newsgroups: 
lugnet.technic
Date: 
Tue, 5 Mar 2002 14:27:56 GMT
Viewed: 
3084 times
  
In lugnet.technic, Jack Gregory writes:
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.

Yes, this is true.

If you need stronger gears, double them.  It is the axles that are the weak
point generally, though.

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!
http://www.texbrick.com/ideas/gears/
(see bottom of page)

TJ



Message has 1 Reply:
  Re: Strengthening Gears
 
I have never broken a gear. But then, I am a mechanical engineer; I am nice to my gears. But I fry a lot of electronics! My experience is that the torsional stiffness of the axles is the limiting factor of high-torque designs. I have permanently (...) (22 years ago, 5-Mar-02, to lugnet.technic)

Message is in Reply To:
  Re: Strengthening Gears
 
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 (...) (22 years ago, 5-Mar-02, to lugnet.technic)

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