General moulding and casting thread

UP User Group in Australia and New Zealand
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mec949
Posts: 123
Joined: Thu Jul 12, 2012 7:16 am
Location: NSW Australia

General moulding and casting thread

Post by mec949 » Mon Dec 17, 2012 9:16 am

Hey ANZUPers!

I started a thread for the discussion and throwing around of ideas pertaining to any kind of moulding and casting.

I have been interested in doing this for quite a while but the products dont seem to be available in wollongong/area.
I dont like buying things over the internet but it looks like i will have to get a aust post visa debit card and take the plunge.

silicone rubber seems to be the way to go for making moulds that will last.
Ive seen videos of resins that cure from the inside to the outer wall that is just fun ti watch.

please use and enjoy this thread!

mec949
Posts: 123
Joined: Thu Jul 12, 2012 7:16 am
Location: NSW Australia

Re: General moulding and casting thread

Post by mec949 » Tue Jan 01, 2013 11:06 am

are there any chain stores/store types that carry the silicone rubber and casting resins. I live in the illawarra [nsw]. its hard to find niche items here for some ridiculous reason.

I know that i can by the stuff online, uncomfortable with buying online and personally rather to walk in to a store a buy it.
ideas?

roller
Posts: 1622
Joined: Sat Oct 06, 2012 9:09 pm
Location: Brisbane, Australia

Re: General moulding and casting thread

Post by roller » Thu Jan 03, 2013 8:01 am

I go to my local craft stores for them (like Eckersleys - different stores have slightly different stock) but it's extortionately expensive compared to online. I once got some from Spotlight even.

mec949
Posts: 123
Joined: Thu Jul 12, 2012 7:16 am
Location: NSW Australia

Re: General moulding and casting thread

Post by mec949 » Fri Jan 04, 2013 2:39 am

and the local stores often have only the smallest containers of the stuff as well.
its aggravating. I was wondering, there have to be industrial users of silicone rubber and resins [various].

perhaps if we could track down one of those users we could buy it through them at a cheaper price, kind of like buying alginate from your dentist, i got a bag for $15 once.

Im a school teacher and would like to use mold making and casting [probably plaster] as a class activity. but the cost kills it at the moment.

sign

any other ideas

mr6k
Posts: 327
Joined: Tue Feb 14, 2012 11:47 am

Re: General moulding and casting thread

Post by mr6k » Fri Jan 04, 2013 10:49 am

Don't know if this helps. In UK and I guess internationally RS (RadioSpares) sell an Epoxy Kit, as a potting compound at around £12 per 500g. Part number 199-1468 I use it for potting electronic circuits that are used in harsh marine environments.

cheers

Peter

Rollem
Posts: 1
Joined: Sun Jan 06, 2013 1:55 am

Re: General moulding and casting thread

Post by Rollem » Sun Jan 06, 2013 8:21 am

Hi,

I know quite a bit about moulding and casting and happy to share the knowledge. This was the main reason behind purchasing my UP so as to make prototypes/masters for this purpose. I have good knowledge of low melt alloys and passable with polyester and polyurethane resins along with the moulding processes especially for low volume runs.

If you wish to purchase materials then these companies I have used and are quite reliable. They both supply from really small to really large quantities.

In Melbourne - www.solidsolutions.com.au

In Adelaide - www.amcsupplies.com.au <- Highly recommend these guys for helpful knowledge

Anyway if you have questions I will do my best to respond.

Cheers
Grant

ascort
Posts: 4
Joined: Sun Dec 02, 2012 8:18 pm

Re: General moulding and casting thread

Post by ascort » Mon Jan 07, 2013 9:03 pm

Hi

I am finally up and running with my Up and have been excited by the results that I have been getting.

Most prints have gone well, but I have had a few minor problems such as working out how to get TurboCad Pro to draw internal threads in 3D so that I could make a fitting to fit a Dremel, and some failures in trying to print a Tardis for my daughter. All my Tardis prints failed making me come to the conclusion that there must have been some time shift phenomina going on causing the model to displace on the perf board.

Like Rollem, one of my reasons for getting into 3D printing is so that I can create prototypes for casting. Most of my experience to date has been with silicone moulds and resin.

Mark
Last edited by Tiertime-Edward on Tue Jan 08, 2013 1:06 am, edited 1 time in total.
Reason: marketing for another website

mec949
Posts: 123
Joined: Thu Jul 12, 2012 7:16 am
Location: NSW Australia

Re: General moulding and casting thread

Post by mec949 » Sun Feb 23, 2014 8:31 am

Recently saw the 2 part putties that are available in a few places. For the ones available in Australia, has anyone used them or have any experience with them, which are the best bang for buck and which should be avoided?

Food save would be good, cost/amount makes a big difference.

Has anyone tried 3d printing moulds for rubber components?

effgee
Posts: 25
Joined: Fri Dec 30, 2016 6:46 am

Re: General moulding and casting thread

Post by effgee » Sun Apr 02, 2017 6:50 am

I've used a food-grade silicone from Barnes http://www.barnes.com.au/. Worked fine.
There is also Aldax http://www.aldaxstore.com.au/

Timothy444
Posts: 3
Joined: Tue Apr 16, 2019 9:20 am

Re: General moulding and casting thread

Post by Timothy444 » Tue Apr 16, 2019 9:22 am

In UK and I guess internationally RS (RadioSpares) sell an Epoxy Kit, as a potting compound at around £12 per 500g. Part number 199-1468 I use it for potting electronic circuits that are used in harsh marine environments. mobdro

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