240v -110v dust extraction problem

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Mike B
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240v -110v dust extraction problem

Postby Mike B » Mon Oct 23, 2017 7:29 pm

Has anyone got the solution to this problem ( not a massive problem . .but still a problem)
I have 2 mitre saws, both 110v (1 for indoors, 1 for site)
I only have 1 -240v dust extractor which i use with a planer/circular saw/router.
Is there a way of using the 240v extractor with the 110v mitre saw without having to turn it on/off every cut? (as the transformers always effectively on drawing current, the extractor is always on even when on auto)
mike.

mark270981
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Re: 240v -110v dust extraction problem

Postby mark270981 » Mon Oct 23, 2017 10:15 pm

how messed up would it be to plug a transformer into the 240v socket and run it that way?
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9fingers
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Re: 240v -110v dust extraction problem

Postby 9fingers » Tue Oct 24, 2017 10:22 am

I think that is the problem Mark

The transformer always draws current and is triggering the dust collector.
The op needs a cleverer trigger switch that measures real power drawn not just current.
Probably needs to be designed specially for the job.
Bob
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mark270981
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Re: 240v -110v dust extraction problem

Postby mark270981 » Tue Oct 24, 2017 1:43 pm

Ahhhhh, I see - makes sense now - would have been far too simple.
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Jonathan
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Re: 240v -110v dust extraction problem

Postby Jonathan » Tue Oct 24, 2017 10:15 pm

A few year's back when I lived in the uk I faced the same problem, being a wood person and not a sparks I made up a lead with a big easy to operate switch in it, placed it in front of the chop saw a swiched the saw on and off as necessary, arfter a few days I was doing it without thinking every time I used the saw.
One of the main advantages of leaving the uk was not having to carry a transformer around everywhere :lol:


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