[Design and Technology] Vacuum Forming - destech Digest, Vol 174, Issue 13

Mon Nov 18 04:50:26 UTC 2019

Vacuum forming

Hi Andrew

We set up our own simple and basic unit which is basically just a sealed box with a top that has hundreds of holes in it and a large hole on the side for the vacuum hose. The frame is 2 open squares joined together with bolts and wing nuts and is ever so slightly bigger than the box so it slips neatly over the top. The frame clamps a 300 x 300mm sheet of 3mm acrylic or 1mm HDPS (high density poly styrene) sheet. The frame had to be small enough to fit in a conventional oven. We also have 150x150 one we made to reduce the material waste. Place the object to be formed on the top over the holes, turn on the vacuum, place the heated material on the top and viola, vacuum forming.

I said it was basic and simple and so it is fairly limited in application. The acrylic doesn’t bend very tightly so it’s limited but we’ve found the HDPS to work better but it won’t stretch too far without becoming holey. I’m sure there is better material out there that we haven’t tried yet. We’ve successfully used it for some lamp shades, marble run channels and so on.

Cost was zero as we just used some chipboard we had lying around.

Looking forward to hearing of other cheap and effective solutions 

Tim Lake

Tim Lake

 <http://www.cornishcollege.vic.edu.au/>	Tim Lake
Year 8 Form Teacher
Design & Technology Teacher

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> Today's Topics:
> 
>   1. Cheap Vacuum Forming request (advice) (Andrew Seiffert)
>   2. Re: Combined classes VCE Unit 1/2 & 3/4 together
>      (Aeschlimann, Heather J)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Mon, 18 Nov 2019 04:27:33 +0000
> From: Andrew Seiffert <a.seiffert at ccg.vic.edu.au>
> To: Design and Technology Teachers' Mailing List
> 	<destech at edulists.com.au>
> Subject: [Design and Technology] Cheap Vacuum Forming request (advice)
> Message-ID: <634e11b1b4314a2b999790e3f0f44df4 at ccg.vic.edu.au>
> Content-Type: text/plain; charset="utf-8"
> 
> Hi All
> 
> Does anyone have a suggestion for how to buy or setup a Vacuum Forming unit for secondary students to use? Just wondering if someone has done this themselves recently.
> 
> Thanks
> Andy
> 
> Andrew Seiffert
> Classroom Teacher
> Senior School - Waurn Ponds
> (03) 5241 1577
> http://www.christiancollege.vic.edu.au
> 
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> Message: 2
> Date: Mon, 18 Nov 2019 04:32:40 +0000
> From: "Aeschlimann, Heather J"
> 	<Aeschlimann.Heather.j at edumail.vic.gov.au>
> To: Design and Technology Teachers' Mailing List
> 	<destech at edulists.com.au>
> Subject: Re: [Design and Technology] Combined classes VCE Unit 1/2 &
> 	3/4 together
> Message-ID: <124e0f6caa064ba1931aa0a188d52c1d at edumail.vic.gov.au>
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> 
> Hi David,
> 
> 
> It is a tough situation.
> 
> 
> If your Principal class is supportive you might be able to ask for some adjustments.
> 
> 
> I made arrangements last year to have one class without the 11's and one class without the 12's. This meant 7 classes a cycle instead of 6 and the 11's had 5 classes a cycle not 6. 12's still had 6.
> 
> 
> This counted as an extra for me.
> 
> 
> The 12's were in a classroom - unsupervised until production started. (The classroom they were in was adjacent to an art class that was supervised with a glass wall in between)
> 
> 
> My position was that the 12's could not do folio work in the woodwork room and the 11's could not do practice work unsupervised.
> 
> 
> The time before that I had a combined class the 11's did a mock-up only of unit 1 work so both groups were essentially in a classroom until 12's started Prac work.
> 
> 
> No easy work around.
> 
> 
> Good luck
> 
> 
> Heather Aeschlimann
> Visual Art and Materials Technology Leader
> Vermont Secondary College
> ________________________________
> From: destech <destech-bounces at edulists.com.au> on behalf of David Pitt <dpitt at huntingtower.vic.edu.au>
> Sent: Monday, 18 November 2019 2:31:45 PM
> To: Design and Technology Teachers' Mailing List
> Subject: [Design and Technology] Combined classes VCE Unit 1/2 & 3/4 together
> 
> Hi Brains Trust!
> 
> I’m in a situation for the 2nd year in a row where I am combining classes at my current school, in order to enable the subject to run on numbers available.  Ideally, long-term, I’d be in a position not to, of course, but these things take time.
> 
> Seeking feedback from those who have been in this situation around the best way to manage instructional time and coursework, and things you may have done in the past.
> 
> Generally, given the need for Unit 1/2 students to complete two complete design processes with accompanying practical work, while the Unit 3/4 have a single SAT over a longer period, I found it quite hectic and difficult to implement.  Specifically: supervision, direct instruction on machinery, and observation of folio work on both parties was naturally compromised, and as we do not hold a technician to the DT space who is qualified to supervise in this capacity, hard to know how to move forward to improve same.
> 
> Has anyone been in the situation and have game-changing tips and tricks for me to make my (rather hectic) classroom better for next year?
> 
> Cheers!
> 
> David Pitt Head of Department – Design Technology.
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