[Design and Technology] Fwd: [esnet] Cold and warping issues on the UP!, print speed

[David Fletcher]

Sent from my iPad
David Fletcher


Begin forwarded message:

> From: "Tony Pugatschew" <support at intellecta.net>
> Date: 7 June 2014 10:44:22 AM AEST
> To: "ESNET @ iiate" <esnet at iiate.asn.au>
> Subject: [esnet] Cold and warping issues on the UP!, print speed
> Reply-To: "ESNET @ iiate" <esnet at iiate.asn.au>
> 
> Dear All,
> Getting a flood of calls re the UP! warping issues. Seems to be related to the onset of winter.
> Here are some suggestions that hopefully can help.
> a)      Make sure the bed is flat. If you are having warping on a corner then the bed is not flat.
> b)      Keep it warm – hard to do on the UP! Plus but easy on the UP! Mini ( enclosed)
> c)       Check the print plate – could be dusty.
> d)      Level position – I adjust the height until I feel a “grab” on a piece of 80gsm paper.
> e)      Examine the print bed PCB.
> f)       Check orientation of part – try to keep the thicker parts as vertical walls and minimise the base thickness.
> I have had great success with a 3mm grey tile material. Cut with an angle grinder fitted with diamond blade.
> I spray with the clear spray – Little squirts from Bunno’s. Sticks really well and needs a chisel to remove.
> In fact, the print sticks so well that an infrequent expletive seems to assist – do this away from earshot of students.!
>  
> 
>  
> Had questions on print speed.
> If you are having trouble getting through a design because of time then examine the design. Additive printing is slow and this often left out of the seductive spin marketing hype. I have only seen the time mentioned twice in articles – kayak took 45 days and the car body took 13 months to print. Get the students to appreciate the layer thickness. Is it necessary to print at 0.2mm layer thickness when 0.4mm is fine and a lick with acetone will smooth the surface?. The higher accuracy is important if you have small angled features.
>  
> Solution in a school is simple – get more Printers!! . The baby up minis $650 ex GST and you can get a couple. These have proved to be most reliable and have survived a drop down some stairs. We can help with these but the waiting time is about 4 weeks!!!
>  
> The other suggestion on print adherence is to gently push up on the first layer print so the raft really beds down. You can remove the pressure after the first layer.
>  
> Hope this info helps and happy printing!
>  
>  
> Tony Pugatschew
> 08 8351 8288
> Local mobile: 0419 801 392
> Email: support at intellecta.net
>  
>  
>  
> _______________________________________________
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> esnet at iiate.asn.au
> http://mail.iiate.asn.au/mailman/listinfo/esnet_iiate.asn.au
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