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I have spent the last 30 years repairing the electro-mechanical equipment that is used by Dentists to repair and replace teeth. While I am officially retired at this time this doesn't stop my sons Mike and Matt, who currently own and run the companies, from giving me something to do once in a while. Last weekend Mike brought me a Cadco Dry Processor II that wasn't working properly. Step one in the repair process: Understand what the unit is suppose to do. This device is used to condit ...
One of my favorite activities is salvaging electronic parts from old equipment. I am always in search of interesting components so that I can take the process one step further and explore, experiment and learn.   This time I was taking apart a Command Dental composite cure light. This unit has a very bright halogen light that the dentist directs, to the putty like composite filling material he has just placed inside a cavity, using a fiber optic cable. When the light strikes the material i ...
jw0752

A Visit to DAB

Posted by jw0752 Top Member Sep 8, 2015
This week a detour from our vacation route allowed Millie and I to pay a visit to DAB and his lovely wife. I had hoped to meet DAB in person so that I could learn a little more from this multifaceted man. DAB is an accomplished author of several very detailed volumes describing World War II sea battles and he is also developing a new Sub atomic theory. We met briefly at his home and then the four of us went to lunch together. Millie and I enjoyed our visit and particularly the beautiful water co ...
jw0752

Shop Tips - Meter Stand

Posted by jw0752 Top Member Sep 5, 2015
While nearly all of my handheld meters have a built in, hinged, panel in the back that can be used as a stand I have never been happy with the stability of these panels. There are several handheld meters, in the shop, that have been designated as "bench meters". For these converts to bench meter status I have come up with a very inexpensive way to make them more stable and readable. The simple metal Bookend, available at all office supply stores makes a perfect frame on which to mount the hand h ...