RE: [CAD_CAM_EDM_DRO] Jumper innovation?

Peter,
I have experienced loose jumpers in the past... the exact cause I am not
sure of, but the fix was to lightly pinch them in a pair of pliers to close
them up a bit, whereby making them firm on the pins...
Bryan

-----Original Message-----
From: Carol & Jerry Jankura [mailto:jerry.jankura@...]
Sent: Monday, 10 September, 2001 8:56 AM
To: CAD_CAM_EDM_DRO@yahoogroups.com
Subject: RE: [CAD_CAM_EDM_DRO] Jumper innovation?


Peter:

Are your jumper blocks the standard 0.025 square on 0.1 inch centers? If so,
you might want to try wire wrapping the "correct" configuration. That way,
it's easy to make a change. Personally, I don't like soldering to jumper
blocks because it can be a real pain when you want to reconfigure them.

Any idea about the CAUSE of them not wanting to stay seated? Excessive
vibration, perhaps. There's lots of equipment with jumpers that functions
without any problems like you describe. You may want to try to analyze
exactly WHY they are unseating themselves and try to fix that problem.

-- Carol & Jerry Jankura
Strongsville, Ohio
So many toys, So little time....

| -----Original Message-----
| From: cadcamcenter@... [mailto:cadcamcenter@...]
| Sent: Monday, September 10, 2001 3:56 AM
| To: CAD_CAM_EDM_DRO@yahoogroups.com
| Subject: [CAD_CAM_EDM_DRO] Jumper innovation?
|
| I have defective? jumpers which refuses to stay seated no matter how
| hard I press it down. To solve this problem, I am thinking of
| soldering 4 wires to the four poles (what do the electronics
| professionals call them) and connect them to either:


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