How Do I Make Vacuum Bag?

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tomJohns
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Location: Thule, US

How Do I Make Vacuum Bag?

Postby tomJohns » Mon Feb 29, 2016 3:48 pm

Hi great people.
Does anyone here know how to make a vacuum bag? I first tried to make one using some Plastic weld. I managed to make one but it was too thin. I have got vinyl sheet, a vacuum bump and some hose connectors. What else do I need to complete this project??
Cheers..

BigBoss
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Joined: Tue Oct 06, 2015 4:45 pm
Location: gaza

Re: How Do I Make Vacuum Bag?

Postby BigBoss » Mon Feb 29, 2016 3:54 pm

Hi, You will also need some vinyl cement. Sometime last year, I made one using clear plastic sheeting. You can use the plastic sheeting to be a slip membrane over the floor insulation. Once you have the sheeting in place lay some screed on it and seal the ends.

Sgsjvkjsjtyu
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Location: bahia

Re: How Do I Make Vacuum Bag?

Postby Sgsjvkjsjtyu » Mon Feb 29, 2016 4:02 pm

Hello. Is the vacuum bag meant for vacuum infusion or veneering? To add on what BigBoss has said, you will need to directly secure the pipe to the bump and then fix it using a “plumbers mait” or a jubilee clip.

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tomJohns
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Joined: Sun Aug 09, 2015 9:41 pm
Location: Thule, US

Re: How Do I Make Vacuum Bag?

Postby tomJohns » Mon Feb 29, 2016 4:04 pm

Sgsjvkjsjtyu wrote:Hello. Is the vacuum bag meant for vacuum infusion or veneering? To add on what BigBoss has said, you will need to directly secure the pipe to the bump and then fix it using a “plumbers mait” or a jubilee clip.

For veneering. I was also wondering whether the vacuum bump I intend to use should have BST thread? What I have I from china and am not sure if the thread is BST

BigBoss
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Location: gaza

Re: How Do I Make Vacuum Bag?

Postby BigBoss » Mon Feb 29, 2016 4:19 pm

I believe that any bump can do the job well. What matters is to ensure that you fix the pipe to the pump well. Jubilee clip does it well.

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Bush
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Location: rothera

Re: How Do I Make Vacuum Bag?

Postby Bush » Mon Feb 29, 2016 4:21 pm

I just finished making mine but I used silicone sheet instead of vinyl. You can consider using it instead.

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tomJohns
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Location: Thule, US

Re: How Do I Make Vacuum Bag?

Postby tomJohns » Mon Feb 29, 2016 4:30 pm

The silicone sheet is way too expensive for me. Let me stick to the vinyl

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Bush
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Re: How Do I Make Vacuum Bag?

Postby Bush » Mon Feb 29, 2016 4:51 pm

Ok, but if your production will be on a regular basis, then consider making a vacuum table. This will however require you to acquire the silicone veneering sheet.

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tomJohns
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Joined: Sun Aug 09, 2015 9:41 pm
Location: Thule, US

Re: How Do I Make Vacuum Bag?

Postby tomJohns » Mon Feb 29, 2016 5:03 pm

Thanks guys. I will consider all the options you have given. I need to make myself a durable bag.


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