I wasn't trying to imply that the escape key should be someone's trusted way
out, or that it's ok the button on screen didn't work. I was actually implying
that it was still a bad habit of mine, as would be the button on the interface.
I'm training myself to hit the estop(s) (meaing the physical ones) but old
habits die hard - I'm still working on it.
I agree the one one screen should always work, but the computer controller
going bonkers is always a possibility therefore we should all - regardless of
machine size or experience - have physical estops and train ourselves, and in
the case of shops - the operators - to rely on them and not on the computer.
I don't think I want to meet the designer of, or the machinist willing to wear
your "always active" estop circuit :)
Sorry if I ruffled feathers - wasn't my intent.
----- Original Message -----
From: John Thornton
>Wow - I guess I should be proud of myself that I had a physical estop button
>and a machine kill switch designed in while things were still on the bench!
You can have all the e-stops you want but if you happen to pick the one that
don't work...
>I'm still spoiled by the keyboard - I hit escape (and usually tap it
>multiple times as I'm used to being deep in autocad levels of commands that
>I wanted to end) Greg
There in lies the problem you assume other people have the same experience,
knowledge and skills as you. You miss the point entirely... If the E-Stop
button is on the screen and I'm trying to press it with the mouse and it won't
do anything I have lost precious seconds of time getting that experience. It
doesn't matter if I have 27 e-stop buttons all over the place if I have the
mouse in my hand my instinct is to use it first in an emergency just because it
is the the closest thing to my finger. IMHO it is a mistake to have an e-stop
where ever it is that only functions some of the time.
I think that tension sensors should be mandatory in the rear of machinest
pants and directly coupled to the "always active" e-stop circuit. When the
clench comes the machine stops...
John
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