[hackspacebristol] Injection moulding machine

Nathaniel Poate npoate at hotmail.com
Wed Feb 24 11:09:53 UTC 2016


This looks like the SP2 is also known as the 'MiniShot' or the 'Hotshot' injection moulding machine, someone refers to it as the SP2 Hotshot, then searching hotshot someone on another forum uses both terms and the company name together.
http://www.mycncuk.com/archive/index.php/t-3142.html

From: jolyonjenkins at googlemail.com
Date: Wed, 24 Feb 2016 10:16:54 +0000
To: hackspacebristol at lists.aktivix.org
Subject: Re: [hackspacebristol] Injection moulding machine

​It's a SP2 from the Small Power Machine company of Chippenham - am attaching the front cover of the manual ​
On 23 February 2016 at 11:28, Jolyon Jenkins <jolyonjenkins at googlemail.com> wrote:
I was seeing the man yesterday about something else (he's a professional product designer) and he happened to mention he had this machine that he hasn't used for a while. I had a quick look at it but didn't take photos or get the make. I could try to do this.I was thinking of getting it for my personal use but if the Hackspace was interested in it then that would be OK - and would have the advantage of having others involved in working out how to get the best from it. 
On 23 February 2016 at 11:10, Nathaniel Poate <npoate at hotmail.com> wrote:



There was a positive response for the other injection moulding machine i found a few months ago, it didnt go ahead due to it being an ebay item and it ended,but yes for an injection moulding machine,
Do you have a name for the manufacturer, perhaps an image of the machine or same would be beneficial in helping decide?
Nat

From: jolyonjenkins at googlemail.com
Date: Tue, 23 Feb 2016 11:04:54 +0000
To: hackspacebristol at lists.aktivix.org
Subject: Re: [hackspacebristol] Injection moulding machine

Interesting thought. Though you'd have to have the mould made in something that didn't melt as well as high resolution, so it could end up expensive. 
On 23 February 2016 at 10:55, Chris Wallace <kit.wallace at gmail.com> wrote:
It would be interesting to try  3D printed moulds - has been used for short-run injection moulding eg
http://www.instructables.com/id/Molds-directly-from-a-3d-printer-to-an-injection-/

but using a high resolution printer, not FDM - could get moulds made at Shapeways of course
Chris
On Tue, Feb 23, 2016 at 10:31 AM, Jolyon Jenkins <jolyonjenkins at googlemail.com> wrote:
I've been offered a small (benchtop) injection moulding machine for £200, which seems a good deal. It needs a little attention, but not much. It uses compressed air rather than a lever (and so I'd need to get a compressor too). 
Has anyone got experience of using such things? I don't really know about the moulds. I guess I could use my (Matt's old) CNC router to cut moulds from aluminium blocks (if I went very slowly) but I wouldn't be able to do any undercuts. When I look at places that produce moulds commercially the prices seem to be thousands of pounds, but maybe I'm looking in the wrong place. Any thoughts?
J

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