8 years ago
to it than most of the @#$%^ some of you keep posting.
Thank God for Agent and it's ignore function I've finally found a way
to ignore most of those threads.
Now... That having been said, and the fact that I lost access for 2
months again and came back on a different newsreader only receiving
minimal mention, I'd like to describe a scenario I had to quote
Ten 0.1562" holes drilled in thin material.
Each hole drilled by its own small drill (our 1000 series unit).
Each 1000 series unit spun and stroked by an air motor.
So far, no problem!
Challenge - The customer wants me to give him the option to start all
the drills with a single start button. The air motors must kick in
only on the downward stroke and must turn off when the drills are
stroking home (note, not when they ARE home, when they are on their
However, the customer also wants the ability to turn off each and
every drill individually. When a drill is off, the customer does not
want the motor spinning.
Difficulty - The air motors suck up enough air that they can not be
run off the same valve as the stroke of the drill is.
We figured it out, but figured you'all might enjoy the brain teaser in
Why is it metalworking related? Well, the 0.1562" holes, of course!
They are being drilled in aluminum with zero collant. Thankfully, the
material is 0.060" thick and the hole does not need to be burr free.