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Article #379Re: winder for thin wire?
From: Wayne Lundberg
Date: Mon, 28 Sep 1998 00:00
Date: Mon, 28 Sep 1998 00:00
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The machine I described, using a stepper motor triggered by pulses from an optical encoder on a 90 degree shaft with vernier adjustment of a take-off wheel is now obsolete. If I were to build another machine I would use the Basic Stamp and program it to accept variable input being the wire diameter then asking it to pulse out X number to the stepper controller. This would eliminate a shaft flywheel, a separate shaft mounted on precision linear bearings, another pierced wheel for the photo cell, the photo cell and related circuitry and have infinitely variable control for whatever wire size I would be winding. I'm sure a simple 555 would do the same but I never could figure out how to get an RC circuit to pulse exactly, and without error, to the stepper controller nor could I figure out a simple dial-in for wire size. What we have now with this simple device is an easy and repeatable method of synchronizing the horizontal axis to the motion of the main shaft for any given wire diameter.
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: fd6dd,bf4d0153ddea1091 X-Google-Attributes: gidfd6dd,public X-Google-Thread: ff4a6,bf4d0153ddea1091 X-Google-Attributes: gidff4a6,public X-Google-Thread: 1060db,bf4d0153ddea1091 X-Google-Attributes: gid1060db,public X-Google-Thread: 107905,bf4d0153ddea1091 X-Google-Attributes: gid107905,public From: "Wayne Lundberg" <Waynelund@worldnet.att.net> Subject: Re: winder for thin wire? Date: 1998/09/28 Message-ID: <6uon7q$s0g@bgtnsc03.worldnet.att.net> X-Deja-AN: 395719037 References: <360dc30b.0@news1.ibm.net> X-MimeOLE: Produced By Microsoft MimeOLE V4.72.2106.4 Organization: AT&T WorldNet Services Newsgroups: comp.robotics.misc,fj.engr.robotics,rec.crafts.metalworking,sci.engr.control