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Who's got a 3D printer?

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WD Forte
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PostPosted: 16:47 - 08 Jan 2020    Post subject: Who's got a 3D printer? Reply with quote

I'm currently experimenting with the feasabilty of rebuilding some Ignition pulsers
which are NLA new.

see here: https://www.bikechatforums.com/viewtopic.php?t=329508

Making the bobbins from gasket paper and heat shrink
is a bit fiddly and the thought that its an ideal 3d printer job has crossed my mind
many times.

My local hack space who have a 3D printer were no fucking help at all even though
I mentioned I didnt expect them for free as was happy to bung them some dosh in exchange
Its not a complex or long winded process after all is it?

I only want say 8 of them for test and experiments

The overall dimensions are 20mm x 16mm and 11mm high with a 7x2mm slot
I can provide better specs of course if someone fancies having a go
I know ABS doesn't have a particularly high melting point but once assembled and potted
this shouldn't be an issue.

Anyone interested?
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Easy-X
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PostPosted: 17:15 - 08 Jan 2020    Post subject: Reply with quote

I've got a 3D printer gathering dust. It's nowhere near as easy and convenient as the hype made out. (Evidenced by the fact they're not in every home already despite the actual physical and computational technology being relatively simple.)

If you have an existing item you want to reproduce you'd either have to create a model based on measurements or 3D scan it (webcam + turntable.)

If you had something like a SolidWorks model to hand out that wouldn't be too bad...
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Pete.
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PostPosted: 18:47 - 08 Jan 2020    Post subject: Reply with quote

I could print them but I'd turn them from delrin a lot quicker. That's what I made my contactor coil bobbin from.

EDIT: Ah, I see they are square-edged. Printing job then.
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Pete.
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PostPosted: 22:22 - 08 Jan 2020    Post subject: Reply with quote

Any good?
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WD Forte
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PostPosted: 00:28 - 09 Jan 2020    Post subject: Reply with quote

What?

Looks promising where/whats that from?
Did you just make that?
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Pete.
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PostPosted: 00:36 - 09 Jan 2020    Post subject: Reply with quote

Printed in PLA. Slot is 2mm x 7mm, wall thicknesses all 0.7mm, total height 11mm.
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132.9mph off and walked away. Gear is good, gear is good, gear is very very good Very Happy
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Riejufixing
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PostPosted: 01:22 - 09 Jan 2020    Post subject: Reply with quote

Coo!
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P.
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Joined: 14 Feb 2008
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PostPosted: 09:10 - 09 Jan 2020    Post subject: Reply with quote

WD Forte wrote:
What?

Looks promising where/whats that from?
Did you just make that?


Pete's a fucking wizard Wink
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Easy-X
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PostPosted: 12:07 - 09 Jan 2020    Post subject: Reply with quote

More patience than me! Well done, sir Thumbs Up

https://media.giphy.com/media/rMuO8CgQNEDp6/giphy.gif
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Riejufixing
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PostPosted: 14:24 - 09 Jan 2020    Post subject: Reply with quote

Easy-X wrote:
More patience than me! Well done, sir Thumbs Up

Does your animated GIF make this come to the top on "unread messages", or is it something else? Just wondering.
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Easy-X
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PostPosted: 14:50 - 09 Jan 2020    Post subject: Reply with quote

No idea, just a standard BBCode img link.
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WD Forte
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PostPosted: 17:19 - 09 Jan 2020    Post subject: Reply with quote

Its trap!!
It must be!
Are you telling me Pete immediately understood the concept and its simplicity
and with a brief glance at the pic and dimensions knocked one out on a 3D printer
without 3d scanning/solidworks/stl files an all that shit?

Impossibru!
Laughing

Looks great Pete
one question, how would PLA cope in the rear of an engine
compared to ABS ?
I expect worst case working temps to be in the 90C range on a hot day with heavy use
and figured to pot them in JB weld which would tolerate this and not turn to snot.
Higher temperatures would mean I have other problems.

I'll pm you
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Pete.
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PostPosted: 18:42 - 09 Jan 2020    Post subject: Reply with quote

WD Forte wrote:
Its trap!!
It must be!
Are you telling me Pete immediately understood the concept and its simplicity
and with a brief glance at the pic and dimensions knocked one out on a 3D printer
without 3d scanning/solidworks/stl files an all that shit?

Impossibru!
Laughing

Looks great Pete
one question, how would PLA cope in the rear of an engine
compared to ABS ?
I expect worst case working temps to be in the 90C range on a hot day with heavy use
and figured to pot them in JB weld which would tolerate this and not turn to snot.
Higher temperatures would mean I have other problems.

I'll pm you


It'll have to cope it's all I have Very Happy

I print it at 200degC so it should be reet.
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132.9mph off and walked away. Gear is good, gear is good, gear is very very good Very Happy
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