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Re: Desoldering Iron vacuum


 

For a filter I used two small pill bottles one nested inside the other, hose from de-soldering head in large one with a? tube from the top to near the bottom, Cotton balls fill the smaller, which has holes in the side near the bottom, the Vacuum from its top to the vacuum source. used O rings to seal bottles, and Silicone rubber to seal the metal connecting tubes that go to the outside. Use small bottles as feasible because the large ones take longer to build vacuum. debris fills large one and cotton keeps the "air" cleaner for the venturi.
works great, BTW it is an old antique Weller ds100, which has a glass tube with fiberglass ball in the head to collect the most of the hot stuff. I have been making my own tips from copper and brass on my small lathe...length and mass changes temperature.
I mounted the Air compressor ( 150 psi Harbour Freight ) in the garage about 75 feet away and ran 3/8 air line from garage through the attic (PE) to my work area so noise is elsewhere, also allow me compressed air in the "shop".....little 1/2 inch hole is easy to fix when/ if i ever move.
I like the idea of the insulin or B12 bottle it is even smaller! now to get an empty....hmmm I know someone who uses....Thanks for the idea Michael!
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On 2018-07-28 05:03 PM, Michael A. Terrell wrote:
I've seen an inline filter with a cotton ball in a glass sleeve so you could see when it needed changed. I've save a bunch of my empty insulin bottles, to see if I can cut the bottom off to use like this.

Somewhere I have a box of spares from a Pace desoldering system from a vocational school. Spare tips, fuses and other items that were supplied to each new student. If they quit the course, it went into a box for spares. The instructor was thinning his herd when I stopped by to visit and they followed me home.


Michael A. Terrell


-----Original Message-----
From: John Griessen <john@...>
Sent: Jul 28, 2018 7:30 PM
To: [email protected]
Subject: Re: [TekScopes] Desoldering Iron vacuum

On 07/28/2018 06:15 PM, Ed Breya via Groups.Io wrote:
Now, of course, using a vacuum supply changes the way the desoldering unit operates, so it would need re-plumbing to eliminate the venturi and make the solenoid valve work for vacuum.
Another thing to consider is the smoky output of desoldering. I recently repaired a Hakko 470, that has
an on-demand vacuum pump, and found the smoke had gummed up the rubber flap reed valves of the pump.
It's a good idea to have some kind of receiver container up stream of the solenoid you use, since it
would be in line to get rosin smoke. Maybe a pipe fitting container with wads of TP in it?

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