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  #21  
Old 13th February 2019, 08:38 AM
tadhgR tadhgR is offline
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Default Re: 3D Printers.

Do you have to use CAD or you used SOLIDWORKS/Autodesk inverter instead?
Might make yourself a few bob printing off parts for people who send you drawings
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  #22  
Old 13th February 2019, 09:38 AM
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Default Re: 3D Printers.

Originally Posted by tadhgR View Post
Do you have to use CAD or you used SOLIDWORKS/Autodesk inverter instead?
Might make yourself a few bob printing off parts for people who send you drawings
CAD stands for Computer Aided Design - so all drawing software incl. Autodesk Inve[n]tor are CAD, different versions of the same thing.

Originally Posted by I polished one off to a dude View Post
Exactly yes, and when it all works ok in plastic, I can send the drawings out to gearbox companies for manufacture out of billet.
The set of parts will be divided into a couple of groups and sent to different shops, so none of them will know what it's for or be able to sell the setup themselves.

The challenge is that 3D printed plastic is not as smooth or accurate as machined steel, so in order for the parts to fit slide mesh etc, a few adjustments are needed.
For this reason, when the metal parts are made first time, there will be a little leap of faith
Do you email your 3d design off to a specialist like Nova or Quaife in the UK, or would any CNC shop machine them ? and presumably heat up / cool down to harden the metal for wear.

How much (ballpark) do they charge to cut one gear wheel like yours in the video ?
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  #23  
Old 13th February 2019, 10:10 AM
paudy paudy is offline
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Default Re: 3D Printers.

Originally Posted by I polished one off to a dude View Post
Exactly yes, and when it all works ok in plastic, I can send the drawings out to gearbox companies for manufacture out of billet.
The set of parts will be divided into a couple of groups and sent to different shops, so none of them will know what it's for or be able to sell the setup themselves.

The challenge is that 3D printed plastic is not as smooth or accurate as machined steel, so in order for the parts to fit slide mesh etc, a few adjustments are needed.
For this reason, when the metal parts are made first time, there will be a little leap of faith
Whats the point of printing it of in 3d though it seems like a very unnecessary step, if its not as smooth or accurate, whats the point why not just run it through a simulation on computer then send to manufacturers
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  #24  
Old 13th February 2019, 03:12 PM
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Default Re: 3D Printers.

Originally Posted by I polished one off to a dude View Post
Hell yes I've been using one to prototype parts to convert the Rocket 5 speed gearbox into a 6 speed.
AutoCAD Fusion 360 to draw stuff, and Ultimaker CURA to slice it and auto generate supports for printing.

Pro tips include locknuts for the bed level adjustment thumbscrews, and prittstick on the bed where the print is gonna happen



Nice job. What's the learning curve like on those softwares?
Is that a Creality CR-10S?
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  #25  
Old 13th February 2019, 05:54 PM
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Default Re: 3D Printers.

Originally Posted by Admin View Post
Do you email your 3d design off to a specialist like Nova or Quaife in the UK, or would any CNC shop machine them ? and presumably heat up / cool down to harden the metal for wear.

How much (ballpark) do they charge to cut one gear wheel like yours in the video ?
I'll be going to a specialist, gears must be treated so they are surface hardened to prevent wear but not hardened inside or the teeth will fracture off... or so i understand.
I'm expecting big bucks for the first full set as i'd imagine they have to make tooling for these gears etc, but should be cheaper after that.
There's a heap of lads who want a 6th gear in their Rocket III so hpefully the price is within what they'll pay.
I'm doing it for myself worse case anyway


Originally Posted by Gixxer View Post
Nice job. What's the learning curve like on those softwares?
Is that a Creality CR-10S?
Correct, the S5 version that does up to 500x500x500 print envelope

i did 3D CAD in college and wasn't bad at tech graphics etc too, so learned quick enough. Youtube is great for tricky things like drawing involute curves to base a tooth on and figuring out how to draw on curved surfaces etc

Fusion 360 i found good, it was free for R&D purposes up until last month, now it's a trial and i've a few days left
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  #26  
Old 13th February 2019, 06:01 PM
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Default Re: 3D Printers.

A mock up of the gearbox to help figuring some stuff out.
This weekend it'll be going into the actual engine to finalise fitment & function

Click the image to open in full size.
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  #27  
Old 13th February 2019, 06:37 PM
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Default Re: 3D Printers.

Originally Posted by I polished one off to a dude View Post
Correct, the S5 version that does up to 500x500x500 print envelope

i did 3D CAD in college and wasn't bad at tech graphics etc too, so learned quick enough. Youtube is great for tricky things like drawing involute curves to base a tooth on and figuring out how to draw on curved surfaces etc

Fusion 360 i found good, it was free for R&D purposes up until last month, now it's a trial and i've a few days left
I got the S4 version.

If you sign up here.
https://www.autodesk.com/products/fu...hers-educators
(And tell a few lies about being a student at UCD) You can get Fusion 360 free for 3 years.

Click the image to open in full size.

I'm downloading it now.
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  #28  
Old 13th February 2019, 08:03 PM
DavyH DavyH is offline
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Default Re: 3D Printers.

Originally Posted by I polished one off to a dude View Post
A mock up of the gearbox to help figuring some stuff out.
This weekend it'll be going into the actual engine to finalise fitment & function

Click the image to open in full size.
Thatís very cool!
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  #29  
Old 14th February 2019, 09:41 AM
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Default Re: 3D Printers.

mates aul lad bought one in US few years ago, was maybe 5k, was very slow, bu did the job, he was into tooling/design stuff, saved a fortune, but took a while to get things right, also different plastics were giving different shrinkage rates, so a little bit of re calibration, but they are briliant machines available now

Last edited by oretom; 14th February 2019 at 09:47 AM.
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  #30  
Old 14th February 2019, 10:02 AM
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Default Re: 3D Printers.

Originally Posted by I polished one off to a dude View Post
A mock up of the gearbox to help figuring some stuff out.
This weekend it'll be going into the actual engine to finalise fitment & function

Click the image to open in full size.
I love that sort of stuff! Very impressed and jealous of your talent.
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  #31  
Old 14th February 2019, 02:34 PM
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Default Re: 3D Printers.

Kewl thread .id feckin love a 3d printer
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  #32  
Old 15th February 2019, 09:27 PM
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HIGHSIDER HIGHSIDER is offline
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Default Re: 3D Printers.

Originally Posted by I polished one off to a dude View Post
A mock up of the gearbox to help figuring some stuff out.
This weekend it'll be going into the actual engine to finalise fitment & function

Click the image to open in full size.
Wow! That is amazing work man. What a super example of how useful this technology is.....well done you...
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  #33  
Old 17th February 2019, 05:21 PM
tadhgR tadhgR is offline
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Default Re: 3D Printers.

What printer did you go for Gixxer? Thinks NG of getting one myself for messing around with
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  #34  
Old 17th February 2019, 07:53 PM
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Default Re: 3D Printers.

Originally Posted by tadhgR View Post
What printer did you go for Gixxer? Thinks NG of getting one myself for messing around with
I did a lot of research before buying, and ended up buying three

I got a Creality CR-10 S4

https://www.banggood.com/Creality-3D...tlinkid=154288

And 2x Creality Ender 3 Pro.

https://www.banggood.com/Creality-3D...r_warehouse=CN

That Ender 3 Pro is the price of a decent night out. It'd be wrong not to own one... or two

I might actually be selling one of them. I'll know next week.

Last edited by Gixxer; 17th February 2019 at 07:54 PM.
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  #35  
Old Yesterday, 10:18 AM
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Default

Originally Posted by Gixxer View Post
I did a lot of research before buying, and ended up buying three.....

That Ender 3 Pro is the price of a decent night out. It'd be wrong not to own one... or two
Japcati maliciously hacks into Gixxer's biker.ie account? boys-ooh-boys
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  #36  
Old Yesterday, 11:27 AM
tadhgR tadhgR is offline
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Default Re: 3D Printers.

Sure, let me know

I need to do some proper research on them myself, the Anycubic printers seem to be popular too
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