If you want it to 'snap' shut, maybe you want a cam or something out of
round. The part that sticks out pushes down. then when the cam rotates far
enough, it snaps shut.
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-----Original message-----
From: Mark Komarinski <[email protected]>
To: [email protected]
Sent: Tue, May 1, 2012 21:20:07 GMT+00:00
Subject: Re: [HH] Opening a skull (on topic, honest!)
On 5/1/12 4:53 PM, Tom Metro wrote:
Mark Komarinski wrote:
The tension that's required to open it is too much for the
servo that I have. I was thinking a linear actuator...
A solenoid is the obvious thing that comes to mind:
http://www.halted.com/commerce/catalog/product.jsp?product_id=13355&czuid=133
5905228724
http://www.allelectronics.com/make-a-store/item/SOL-102/MINIATURE-12VDC-PUSH-
TYPE-SOLENOID/1.html
Of course with a solenoid you're pretty much stuck with a fast acting,
full travel motion. If you want to some day animate the mouth to sync to
speech or something, then it wouldn't be the right choice.
Ah, a friend gave me one that is in two pieces (the inner shaft can be
removed from the solenoid). The range of movement was rather small but
after thinking about it may be enough to get the jaw to open. I'll
fiddle with it a bit more and maybe find a larger servo (thanks Drew).
Expect more stupid questions.
-Mark
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