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UP BOX Auto Nozzle Height Detect

Posted: Sat Aug 15, 2015 12:13 am
by RobGer
I'm having trouble with the Nozzle auto height detector on my UP BOX.
When I perform this operation the machine lowers slowly towards the zero sensor and continues to push into it until the stepper motor starts jumping and an error message is displayed.

I've tried this using the Mac software version 2.1(5) and the windows version 2.15, both with the same end result.

Any ideas? How can I test this sensor? Is this just a switch which is made when the nozzle pushes it against the lower contact, or does the nozzle form part of the circuit?

Assistance appreciated.

Rob.

Re: UP BOX Auto Nozzle Height Detect

Posted: Sat Aug 15, 2015 6:48 am
by stormychel
Sell the thing and buy / make a Reprap.

Really, I started with the Mini, liked it a lot but bumped into issues fairly soon. Lifting, lost calibrations, limitations... meh.

Built my own Reprap http://www.instructables.com/id/Mega-Pr ... ld-Volume/ for around 600 euros and will never go back to the Mini, it's just sitting here waiting to be used, but it doesn't.
There was a little setup time and the learning curve was steep because I built it myself, but a premade Reprap will be just as good, maybe even better. I needed the large build volume (400x400x280) so decided to build one myself.

No more problems with lifting parts for me, I print on Kapton tape coated with a mixture of acetone and hair spray, and can even print large ABS and HIPS parts without lifting. The machine is fast as well, I can print at 120mm/sec with no visible quality impact since I added inductive auto-levelling. Filament choice is 100% free, off course each new filament needs to be tested after which a profile is made for it in Simplify3D.

You can see my machine here : http://www.pp3dp.com/forum/viewtopic.php?f=14&t=54893

It is probably not for everybody, but these machines give way more insight into their mechanics and are much more repairable imho...

Re: UP BOX Auto Nozzle Height Detect

Posted: Sat Aug 15, 2015 8:00 am
by pp3dp.nl
Come on man that's not what the poster asked. If you don't like the Up go to a RepRap forum. There are lots of printers for everybodies taste, at least try to help this person with the Up printer on the forum that is for Ups.

On topic:

Maybe there is a little plastic under the metal thing that makes a connection, check if that is clean.It can easily be removed and put back in, if you do that make sure it is floating above the metal contact.

Re: UP BOX Auto Nozzle Height Detect

Posted: Sat Aug 15, 2015 8:10 am
by stormychel
pp3dp.nl wrote:Come on man that's not what the poster asked. If you don't like the Up go to a RepRap forum. There are lots of printers for everybodies taste, at least try to help this person with the Up printer on the forum that is for Ups.

On topic:

Maybe there is a little plastic under the metal thing that makes a connection, check if that is clean.It can easily be removed and put back in, if you do that make sure it is floating above the metal contact.
I try to help, but don't own a Box so can't say anything more than I did.

It just looks so stupid that there are so many problems and limitations with these overpriced printers. The buyers of these things just want to print, not be an engineer who has to solve technical problems all the time that get in the way of doing real work with these things.

Re: UP BOX Auto Nozzle Height Detect

Posted: Sat Aug 15, 2015 9:04 am
by pp3dp.nl
I understand, but I think building a RepRap is much more work and learning curve than learning to operate Up printers. I'll be honest: I think I couldn't build one nor do I have the intention to get near one. I notice it is always about money with these machines, how can you get the cheapest printer and free software and the print quality doesn't matter, that's a problem people try to tackle with ''hacks'' and upgrades like different extruders.

I recently was asked by a student of a school where I worked to look at his 3D printer he had won in a contest, a Zmorph (not a cheap machine). He thought I could help him with the settings and calibrating, when the machine printed it made a mess, all kinds of things had to be tweaked and replaced. I told him I don't know much of these OS things but only that be should get Simplfy3D, I hear nothing but great things about that. He checked it and immediately yelled ''What! That expensive? Why can't they release software for like 20 bucks? And I can't find a download anywhere too (illegal)!'' So he got a free printer and didn't even want to invest 150 dollars/euros to make it work.. :o

With Ups you're printing within half an hour out of the box, there could be some problems that this forum can help with. And if there are bigger problems I generally see them fixed by TierTime/PP3DP.

I must admit there are some minor issues with the Up Box like I'm not sure the automatic calibration works every time (I had no major issues with it) but most of these things can be overcome. The surface has to be flat and clean so scrape the perf board well, the height detector has to be able to make contact and what I always do is reset all calibration values before I calibrate again. Don't know for sure that helps but probably doesn't hurt either.

Re: UP BOX Auto Nozzle Height Detect

Posted: Sat Aug 15, 2015 9:31 am
by stormychel
I understand what you mean, and in the ideal world buying one of these printers should enable everyone to download a design from Thingiverse and print it, no knowledge needed. At least that is how people think, and what I thought when buying the Mini. But after a few prints I was disappointed by parts coming loose, lifting corners, delimitation... with STOCK Tiertime filament. This really should not happen. Thanks to this forum I found out the bed does not get hot enough to keep ABS stuck to the bed. That's a serious flaw, not being able to use the tiny build space fully with the supplied filament??? I print parts up to 350mm wide on my Reprap without these problems. The printer doesn't even have a case!!!

Now with the Box, they again have seemed to think more about profits than delivering a top product, as I see lots of complaints about stupid things that could have been easily fixed.

The levelling needs contact? Like electrical connection between print head and build plate? Or am I wrong here? I use a 4 euro inductive sensor on my Reprap to do the levelling, it sends a control signal to the hardware when it is at a distance of 4mm above the bed. No contact needed, and a little plastic residue does not change the measurement.

It's not only PP3DP that I'm not happy about. Makerbot sells a 5000 euros printer with a build volume of roughly the same of my 600 euro-reprap. That machine is a disaster and a lot of people are pulling their hair out about it. Oh yes, and it only prints PLA... Why would anyone in their right mind use PLA for something else than decorative parts? Keep it under warm water and it's Play-Dough...

I think most 3D-printing manufacturers went into this business to make quickly make money from a hot topic because 3d-printing is all over the media, before someone else does, and make as much possible with it, without worrying about the quality of their stuff. If something does not work well, it is easy to blame the unexperienced user, right?

We really need an Apple-like company to build printers that just work. And I would be happy to pay premium for such a machine by such a company!

Re: UP BOX Auto Nozzle Height Detect

Posted: Sat Aug 15, 2015 10:50 am
by stormychel
Oh yes, about Simplify3D. It's awesome, and 100% worth the price.

The problem is that there is no way to get a trial version, and a lot of people want to see what they get for their hard-earned money.
However, there's a lot of videos and tutorials which show the power of the software.
They are probably afraid of people cracking the trial version and putting it on pirate and other bays. They are right, but Netfabb DOES give out trials, and isn't that pirated either. This might have to do with them offering a personal version which is free and good enough for 99% of us. But off course free = no revenue from their hard work.

I think the folks at Simplify3D ARE getting ready to offer trial versions, because the 3.0 update introduces a form of integration with the cloud, you need your login and password to start the software for the first time, and some settings are synced between machines. I think that will be their form of copy-protection and I hope it will work out for them, and for people who want to try before they buy.

Re: UP BOX Auto Nozzle Height Detect

Posted: Sat Aug 15, 2015 6:55 pm
by wilsonj
RobGer wrote:I'm having trouble with the Nozzle auto height detector on my UP BOX.
When I perform this operation the machine lowers slowly towards the zero sensor and continues to push into it until the stepper motor starts jumping and an error message is displayed.

I've tried this using the Mac software version 2.1(5) and the windows version 2.15, both with the same end result.

Any ideas? How can I test this sensor? Is this just a switch which is made when the nozzle pushes it against the lower contact, or does the nozzle form part of the circuit?

Assistance appreciated.

Rob.

Hi Rob,

Sorry for the late reply.
The switch is just a contact, when pressed down it tells the printer the nozzle has made contact with it, and hence the bed height.
Can you check to make sure no small piece of plastic has slipped under it ?

Re: UP BOX Auto Nozzle Height Detect

Posted: Tue Aug 18, 2015 8:11 am
by RobGer
Fixed!

The metal contact was out of position so the nozzle missed it when lowering for Auto Levelling.

I pulled it forward slightly and it is now in position, just.

Thanks for help.

Rob.

Re: UP BOX Auto Nozzle Height Detect

Posted: Wed Aug 19, 2015 3:32 am
by wilsonj
Glad you got it sorted Rob.

Re: UP BOX Auto Nozzle Height Detect

Posted: Tue Oct 25, 2016 8:39 am
by Yusuf
Hi, my problem is that I'm having trouble with the Nozzle auto height detector on my UP BOX.
When I perform this operation the machine lowers slowly towards the zero sensor and continues to push into it until the stepper motor starts jumping and an error message is displayed. after adjusting a small movable metal strip and repeat the nozzle height detection it displays the same error message.
Please I will appreciate if any one can help.
Thanks

Re: UP BOX Auto Nozzle Height Detect

Posted: Fri Mar 10, 2017 5:32 pm
by zeeb84
wilsonj wrote:
RobGer wrote:I'm having trouble with the Nozzle auto height detector on my UP BOX.
When I perform this operation the machine lowers slowly towards the zero sensor and continues to push into it until the stepper motor starts jumping and an error message is displayed.

I've tried this using the Mac software version 2.1(5) and the windows version 2.15, both with the same end result.

Any ideas? How can I test this sensor? Is this just a switch which is made when the nozzle pushes it against the lower contact, or does the nozzle form part of the circuit?

Assistance appreciated.

Rob.

Hi Rob,

Sorry for the late reply.
The switch is just a contact, when pressed down it tells the printer the nozzle has made contact with it, and hence the bed height.
Can you check to make sure no small piece of plastic has slipped under it ?

I am now having this issue with my upbox. took the bed off, unscrewed the screw to the nozzle detection sensor, and re applied the screw for it.
I am able to manually calibrate the printer, but then when I run the print, the bed goes to high, and the nozzle is dragging across the bed...click, click, clicking on the per holes.

Re: UP BOX Auto Nozzle Height Detect

Posted: Fri Mar 10, 2017 6:48 pm
by zeeb84
RobGer wrote:Fixed!

The metal contact was out of position so the nozzle missed it when lowering for Auto Levelling.

I pulled it forward slightly and it is now in position, just.

Thanks for help.

Rob.

How did you pull it forward? I am having issues with mine making good contact as well.