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This Wasn't Fun (Read 410 times)
 
Joe Penn
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Canton, Georgia, USA
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This Wasn't Fun
Aug 8th, 2016 at 5:18pm
 
Nothing like roughing out a bowl and suddenly losing power and being left in the, mostly, dark basement fearful of moving.
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Ron Sardo
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Drums, Pennsylvania, USA
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Re: This Wasn't Fun
Reply #1 - Aug 8th, 2016 at 5:51pm
 
That happen to me when I was using my first vacuum chuck.  Sad  Bing - Bing - Ricochet Segmented Bowl

After that I installed a check valve to prevent the loss of the vacuum if that ever would happen again.
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Tom Coghill
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Re: This Wasn't Fun
Reply #2 - Aug 8th, 2016 at 6:25pm
 
Ron,

Where did you get your CKV? I have not found a reasonable cost one near me.

Also, like with most vacuum chucking, I have the bleed valve partly open when using the vacuum, so I assume you placed the CKV between the headstock and that valve (the Yellow section of this schematic attached). That tube for me is rather short, so the size and weight of the CKV is important to me.

Thanks, Tom


Edit - I have now attached a photo of this section of tubing. Also, note that I have attached a filter to the bleed valve. This keeps dust and small wood chips from being sucked into the vacuum system at the bleed valve location. Thumbs Up
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« Last Edit: Aug 8th, 2016 at 6:36pm by Tom Coghill »  
 
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Ron Sardo
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Re: This Wasn't Fun
Reply #3 - Aug 8th, 2016 at 7:05pm
 
Tom Coghill wrote on Aug 8th, 2016 at 6:25pm:
Where did you get your CKV?

I salvaged it from an old (printer's) plate maker.

Tom Coghill wrote on Aug 8th, 2016 at 6:25pm:
I assume you placed the CKV between the headstock and that valve

Yes, if it went before the valve it wouldn't do much good since the valve is bleeding vacuum.
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