Automatically controled dust collector

Anyone know of plans on the web to build one of those devices to turn on your collector when a machine is turned on?
Thanks.
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FJ Shepley & JM Pfohl wrote:

to trip as each motor is started then use those relay contacts to trip a starter that controls your dust collector motor. I made such a system once that also opened a damper (using solenoids) in the collector pipe for that machine. We had to put a spring loaded dump valve near the collector to keep the pipes from collapsing when the damper would slam shut as the machine was turned off. HTH --
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FJ Shepley & JM Pfohl wrote:

If the dust collector and the machine run on 110 and draw less than 15 amps between them you can get such a device at Sears for about 30 bucks IIRC. Otherwise it's basically just a relay that's energized when you turn on the switch.

--
--John
Reply to jclarke at ae tee tee global dot net
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If you have 220, you can pick up a contactor and remote x-10 contact switch on ebay for about 50-75 dollars. Thats what I use. I just carry the clicker around with me. I turn the machines off and on while setting them and I just leave the DC on. And then there vaccumming the floor. I think this is much better than hard wiring. Think about portable phones. IMHO. Jack

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I went even cheaper, and it works ok in my one-car garage shop. I put a 4-outlet box on the end of an extension cord. Two of the outlets are wired through a switch at the end of a 10' piece of heavy duty extension cord. Depending on the tool, either the DC or shopvac is plugged into the switched outlet. The switch is mounted on a scrap piece of board, and I clamp it to whatever tool I'm using.
-- Mark
jack wrote:

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I wired micro switches into my blast gates. They run the low voltage (24VDC) of a big relay to turn the DC on/off. --JD

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Do you have any details on specific parts used, modifications made to the blast gates, lessons learned, etc. that you would like to share?
Tom Veatch Wichita, KS USA
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I think that is best idea I have heard in long time
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