30 Jan
2002
30 Jan
'02
11 a.m.
--- Tony Duell <ard(a)p850ug1.demon.co.uk> wrote:
I don't think so... the gear in my hand is about 2mm long, slightly less
in diameter, and fits on a 6cm long shaft that's less than 1mm in
diameter. It resembled the gear that you frequently see on the motor
shaft. I suppose I'll have to take some pictures the next time I'm at the
farm.
Perhaps I've got it turned round in my mind... I'm not looking at the
plotter at the moment.
Not in mine...
it's the farthest gear from the motor spindle that's
broken - it's the gear on the shaft that runs the width of the printer
mechanism, for one. Perhaps we have different broken gears in ours...
Odd... In _all_ my plotters it's the motor gear that's failed. The final
gear is much larger IIRC. Doesn't it have an anti-backlash spring in it
as well? No, you get them 'locally'....
Where 'locally' is either a misprint for 'luckily', or it's the name
of a
small hamlet in Wales, not marked on any map.
I've had that problem with some bolts in automobiles (American and
Japanese - the Germans are better at that sort of thing in my
experience).
It's a clockmaking term for one of those pinions
that looks like a small
cage found in old clocks. You know, 2 disks fitted to the arbor (shaft)
with holes in a circle near the edge. And pins (called 'trundles')
joining them.
Now I can picture it.
-ethan
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