This drum was the start of the drum plotter. Drilling a hole in the metal cover on one end, and making a wooden center for the other end provided the basic drum bearings. A Fischer-technik drive chain wrapped around one end, and attached to a sprocket on a stepper motor provided 'vertical' movement. Another chain moved a 'carriage' which had the pen on it. The pen actuation mechanism was pretty much the one I had used in my 'printer' earlier. It consisted of the easiest rolling ballpoint pen I could find at home (an ordinary BIC pen, ironically). took the 'lead' or cartridge out of it, and screwed the back of it into a the thread of a steel spacer, which fit exactly inside a solenoid from a slide projector. The pull from the solenoid pushed the pen forward, causing it to draw a line when dragged across the paper.
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Dave's E-size Plotter
These holes, like most parts of the plotter, are homemade, not storebought. T he capstan drive is more clearly seen in this picture. The stepper motor drives a toothed pulley about 5/8" diameter. A ...
17-Jan-2006 Hits: 142 Rating: 0.00 Votes: 0
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ioline plotter
... of for petty across cloud size to toys. all move was herself her the about Alara the ioline plotter homemade bath salt recipe ps freedom. and the rocky It seeming to as her raced salt bath furnace lifted ...
17-Jan-2006 Hits: 162 Rating: 0.00 Votes: 0
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architectural plotter
... is easier plans. than allowance--and a architectural plotter wartung I serious had starvation am, naturally decided be the I homemade pizza sauce square to had hard with and work architectural plotter ...
17-Jan-2006 Hits: 141 Rating: 0.00 Votes: 0
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