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  Topic: Nichrome wire length?
ANH trooper

Replies: 3
Views: 6591

PostForum: Vacuum Forming & General Stuff   Posted: Fri Oct 14, 2016 11:04 am   Subject: Nichrome wire length?
Thanks, Charlie!

It's a been a while since I had to think about the oven but that makes total sense.
  Topic: Nichrome wire length?
ANH trooper

Replies: 3
Views: 6591

PostForum: Vacuum Forming & General Stuff   Posted: Tue Oct 04, 2016 4:23 pm   Subject: Nichrome wire length?
Another question:

Do more coils per length produce more or less heat?
  Topic: Nichrome wire length?
ANH trooper

Replies: 3
Views: 6591

PostForum: Vacuum Forming & General Stuff   Posted: Mon Oct 03, 2016 5:52 am   Subject: Nichrome wire length?
Hi guys,

Been a while since I posted anything but I am about to make a new oven and I want to know the coiled length and pulled length of the nichrome wire for a 2x2 oven? I cannot find my TJ book ...
  Topic: Need some advice
ANH trooper

Replies: 5
Views: 7413

PostForum: Vacuum Forming & General Stuff   Posted: Sun Apr 13, 2014 5:19 pm   Subject: Need some advice
Using the original paving stones as forming tools are going to get you the best results. Simply drill breather holes in the joints using a thin masonry bit (2mm) and you will be fine. The pavers will ...
  Topic: New oven design
ANH trooper

Replies: 32
Views: 20581

PostForum: Vacuum Forming & General Stuff   Posted: Mon Feb 03, 2014 1:44 pm   Subject: New oven design
Okay, I am thinking about trying something to regulate the heater without adding the dimmer switches. I think if I simply add two on/off switches to control the two segments, I should be able to get b ...
  Topic: New oven design
ANH trooper

Replies: 32
Views: 20581

PostForum: Vacuum Forming & General Stuff   Posted: Fri Jan 03, 2014 1:02 pm   Subject: New oven design
I am looking to control the heat with these switches. They are designed for oven hobs so I think they should work. I am hoping there will be a wiring diagram for the terminals or it could be fun tryin ...
  Topic: New oven design
ANH trooper

Replies: 32
Views: 20581

PostForum: Vacuum Forming & General Stuff   Posted: Thu Jan 02, 2014 6:36 pm   Subject: New oven design
Hi guys,

It's a new year and I want to tackle this oven again. I have the oven wired in 2 segments and I am looking to try infinity switches so I can have the centre section hotter then the outer s ...
  Topic: Newbie aiming at polypropylene bubble
ANH trooper

Replies: 4
Views: 4229

PostForum: Vacuum Forming & General Stuff   Posted: Wed Oct 17, 2012 1:51 am   Subject: Newbie aiming at polypropylene bubble
I did form a few pieces of PP with not so good results. I managed to form it but I kept getting hot spots that would turn transparent and ultra thin. The secret to successful forming is all down to th ...
  Topic: DR. Frankenstein's production machine
ANH trooper

Replies: 15
Views: 14527

PostForum: Vacuum Forming & General Stuff   Posted: Fri Jul 20, 2012 1:51 am   Subject: DR. Frankenstein's production machine
WOW!!! Your machine looks awesome!

I would like to learn more about your oven and how you control the heat zones if possible.
  Topic: What causes webbing?
ANH trooper

Replies: 3
Views: 3913

PostForum: Vacuum Forming & General Stuff   Posted: Fri Jun 08, 2012 3:15 pm   Subject: What causes webbing?
Tool placement and applying the vacuum too quickly are also factors to consider. If you are forming multiple tools that are too close to each other can cause webbing, especially if you over heat your ...
  Topic: Implosion of oil drum
ANH trooper

Replies: 2
Views: 3062

PostForum: Vacuum Forming & General Stuff   Posted: Sat Apr 14, 2012 4:03 am   Subject: Implosion of oil drum
I experienced the imploding drum when I was testing vacuum tanks. I hooked up my pump to an empty oil drum I had to see if would be up to the job of a holding tank and BOOM!!!!
http://img.photobucket ...
  Topic: My 2 x 3 Vacuum Former
ANH trooper

Replies: 58
Views: 50121

PostForum: Vacuum Forming & General Stuff   Posted: Sat Apr 14, 2012 3:54 am   Subject: My 2 x 3 Vacuum Former
Looking good. Nice work Smile
  Topic: My 2 x 3 Vacuum Former
ANH trooper

Replies: 58
Views: 50121

PostForum: Vacuum Forming & General Stuff   Posted: Fri Mar 30, 2012 2:21 am   Subject: My 2 x 3 Vacuum Former
I would think so. I used to use empty propane gas bottles for my vacuum tanks until I got a large compressed air tank. These tanks are designed to hold pressure so I see no reason why the can't hold a ...
  Topic: New oven design
ANH trooper

Replies: 32
Views: 20581

PostForum: Vacuum Forming & General Stuff   Posted: Wed Feb 08, 2012 4:10 am   Subject: New oven design
Thanks for the link Smile

I remember that build now...really nice!

I also have the build plans on a CD from Doug but there was no mention of building the oven yourself (at least I don't recall the ...
  Topic: ...
ANH trooper

Replies: 75
Views: 29248

PostForum: Vacuum Forming & General Stuff   Posted: Wed Feb 08, 2012 3:54 am   Subject: ...
If you can fill the void in the mould where the hole is popping it will sort out the problem.

If you need to have some kind of undercut then try tapering the undercut rather than having a void. Mou ...
 
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