Author Topic: Hose extension - dealing with static.  (Read 1350 times)

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Offline rdr

  • Posts: 60
Hose extension - dealing with static.
« on: April 16, 2017, 12:01 PM »
Guys

I'm going to build a boom in my garage after a couple of days using my festool gear the hose is driving me mad snagging on things!

It will be a permanent boom of about 4m with an extraction hose, power and air supply  attached.

Question, if I run a non antistatic hose along the boom which then connects to the  antistatic hose I am thinking the CT midi will remain protected. I haven't messed with the midi so the grounding is still there for the antistatic hose. Am I missing anything in my theory?

Only asking as the non antistatic hoses seem half the price.

Thanks

R


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Offline DrD

  • Posts: 395
  • I might not be fast BUT I sure am slow
Re: Hose extension - dealing with static.
« Reply #1 on: April 16, 2017, 12:20 PM »
@rdr

I too am interested in the answer to this. 

Have been running a Bosch 36mm non-antistatic from the tools (TS75, DF500, various sanders) to a Festool coupling to a Festool 36mm antistatic to the CT.  Been using this setup for a while, and have seen no evidence of static "cling" to outside of either the non-as Bosch nor the as Festool.  However, I think this type of set-up breaks the "continuity from the tool to the CT and thus the antistatic hose provides no protection to the CT - but this is just my thought.

At the risk of creating a stir, I will share my understanding of what I was told by an un-named Festool tech regarding non-antistatics versus antistatics hoses:  he said to look at the Festool hoses for the CMS router system - both are non-as; I further understood him to say the issue becomes important if one does a lot (non-qualified as to what a lot is) of sanding as the real culprit is the "dust" from sanding - like grain dust in a grain elevator.
Dr.D

Offline SRSemenza

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  • Posts: 7767
  • Finger Lakes Region, NY State , USA
Re: Hose extension - dealing with static.
« Reply #2 on: April 16, 2017, 12:48 PM »
I have PVC conduit for a wall mounted extension from CT to Anti-static tool hose. You need to complete the connection of the anti-static to the CT. I just used a piece of plastic coated braided wire (the stuff used for clothes lines) to jump from the AS hose to the CT. I just attached the wire to the place I connect the AS hose by putting through a hole and taping it in place. And the CT end of the wire just slips into the CT port with the PVC pipe. Been working well for many tears. Pretty much any wire will do.

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You can just see the wire at the right back edge looping over the edge.


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The wire just wedge fits into the port a couple inches.






Seth

Offline Bob D.

  • Posts: 522
Re: Hose extension - dealing with static.
« Reply #3 on: April 16, 2017, 02:00 PM »
Curious if anyone has ever tried using a the foil alarm tape that used to be used with glass breakage detectors and applied that to the outside of PVC to maintain continuity for anti-static protection. The copper foil tape used for making leaded glass would probably work too. It's about a half inch wide IIRC.
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