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  Topic: Fredo's iFold 1800w 2x2 w/ Transport Package
crashmann

Replies: 16
Views: 16015

PostForum: Vacuum Forming & General Stuff   Posted: Wed Feb 16, 2022 2:16 am   Subject: Fredo's iFold 1800w 2x2 w/ Transport Package
Any chance you could plug your oven into a 20 amp outlet? Then shorten the nichrome coils a bit to increase current flow and generate more heat.

My original 24"x32" oven was plenty hot on ...
  Topic: Let's Save Humanity!
crashmann

Replies: 1
Views: 4163

PostForum: Vacuum Forming & General Stuff   Posted: Tue Mar 24, 2020 10:40 pm   Subject: Let's Save Humanity!
The master has finished printing.

https://tk386.com/remotepix/tk560/vaquform_faceshield_02.jpg

Now it's time to make some copies using scrap wood in the garage.

Charlie
  Topic: Let's Save Humanity!
crashmann

Replies: 1
Views: 4163

PostForum: Vacuum Forming & General Stuff   Posted: Tue Mar 24, 2020 7:24 pm   Subject: Let's Save Humanity!
There's a shortage of personal protective equipment to keep our healthcare providers safe and healthy. So let's vacuum form some face shields!

Go here to download a 3D model for the forehead piece, ...
  Topic: No longer for Sale
crashmann

Replies: 1
Views: 5436

PostForum: Trading Post   Posted: Wed Aug 15, 2018 11:52 am   Subject: No longer for Sale
Wow, that is a really nice machine you've built, and one heck of a bargain for a Proto 2000 vac table!

Good luck with the sale!

Charlie
  Topic: will my machine pull .090 ABS with fairly good detail?
crashmann

Replies: 1
Views: 4507

PostForum: Vacuum Forming & General Stuff   Posted: Sat Feb 17, 2018 9:44 am   Subject: will my machine pull .090 ABS with fairly good detail?
It sounds like you should be in good shape for pulling the armor with that super fast vac pump. Biker scout and snowtrooper armor have nice flowing shapes that are easy to pull on a vac table.

Be s ...
  Topic: Nichrome wire length?
crashmann

Replies: 3
Views: 6517

PostForum: Vacuum Forming & General Stuff   Posted: Wed Oct 05, 2016 11:12 pm   Subject: Nichrome wire length?
Ultimately, the heat produced is inversely proportional to the resistance of the nichrome wire. Less resistance = more heat. Too little resistance and your circuit breaker pops!

Unplug the oven fro ...
  Topic: Finally going to get this going!
crashmann

Replies: 16
Views: 17180

PostForum: Vacuum Forming & General Stuff   Posted: Wed Sep 28, 2016 8:17 pm   Subject: Finally going to get this going!
The Gast 1065 pump looks like a reasonable price considering it comes with a motor as well, but that paint color - blech!

http://tk386.com/remotepix/tk560/Gast_1065_v4_01.jpg

That power cord loo ...
  Topic: Hey from NYC!
crashmann

Replies: 10
Views: 8189

PostForum: Introduce Yourself   Posted: Wed Sep 28, 2016 11:10 am   Subject: Hey from NYC!
Hi Lou,

The pump looks very similar to the ones recommended by other folks in the past. The power requirements look good - 110 volts AC, so no need to setup a special 220 volt circuit Smile

I don' ...
  Topic: Hi all from uk
crashmann

Replies: 2
Views: 2381

PostForum: Introduce Yourself   Posted: Sun Sep 25, 2016 2:56 pm   Subject: Hi all from uk
Welcome aboard!

Although the forum has been rather quiet lately, there's a tremendous amount of knowledge and experience in the previous discussions.

What kind of things are you looking to vacuu ...
  Topic: Finished my modified Protoform table!
crashmann

Replies: 2
Views: 5404

PostForum: Vacuum Forming & General Stuff   Posted: Sat Sep 10, 2016 7:31 pm   Subject: Finished my modified Protoform table!
Nice video and beautiful work on building the Protoform vac table!

Can you provide some additional information about the digital temperature controls for the ceramic heaters?

Charlie
  Topic: 8 years?
crashmann

Replies: 1
Views: 2571

PostForum: Introduce Yourself   Posted: Wed Dec 23, 2015 10:44 pm   Subject: 8 years?
And we're still melting plastic and punching out parts!

Charlie
  Topic: Please help: cannot get enough stretch from my plastic
crashmann

Replies: 12
Views: 12800

PostForum: Vacuum Forming & General Stuff   Posted: Thu Aug 13, 2015 10:16 pm   Subject: Please help: cannot get enough stretch from my plastic
Wow, I don't know how the guy in the YouTube video is getting such good pulls using a kitchen oven, a shop vac with .080 polycarbonate, and so little space around the perimeter!

Using the kitchen o ...
  Topic: Please help: cannot get enough stretch from my plastic
crashmann

Replies: 12
Views: 12800

PostForum: Vacuum Forming & General Stuff   Posted: Tue Aug 11, 2015 11:13 pm   Subject: Please help: cannot get enough stretch from my plastic
I had a great deal of trouble trying to vacuum form polycarbonate. It is easy to overheat creating in bubbles in the plastic, and the forming time is very small - only a few seconds!

When preparing ...
  Topic: vacuum forming
crashmann

Replies: 8
Views: 9583

PostForum: Vacuum Forming & General Stuff   Posted: Thu Jul 30, 2015 10:47 pm   Subject: vacuum forming
You might try some Rustoleum filler primer. It goes on thick, then you sand it smooth. Apply another coat and sand it smooth. Finish up with a couple of coats of heat resistant paint.

Or, make a mo ...
  Topic: vacuum forming
crashmann

Replies: 8
Views: 9583

PostForum: Vacuum Forming & General Stuff   Posted: Mon Jul 27, 2015 6:17 pm   Subject: vacuum forming
Wow, the vertical sides on your mold are definitely going to give you trouble, especially since the mold is very tall. You're going to get lots of webbing in the vertical corners.

http://tk386.com/ ...
 
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