Re: Cherry Pi III Is Available April 25, 2015 10:48AM |
Registered: 10 years ago Posts: 893 |
Re: Cherry Pi III Is Available April 25, 2015 12:11PM |
Registered: 11 years ago Posts: 43 |
Re: Cherry Pi III Is Available April 25, 2015 01:23PM |
Registered: 10 years ago Posts: 1,159 |
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adambrum
Hi Andy,
I have your printer up and running no problems at all at 100mm/s except my pla is a little dodgy !
The one thing i wanted to do was print new higher "bottom stepper bases" so i acnput a power supply underneath, Could you send me the sketchup file for the ones you sent me which look like a lite version compared to the thingiverse ones.
Thanks Adam
Re: Cherry Pi III Is Available April 25, 2015 01:42PM |
Registered: 11 years ago Posts: 43 |
Re: Cherry Pi III Is Available April 25, 2015 03:25PM |
Registered: 11 years ago Posts: 14,685 |
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dougal1957
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adambrum
Hi Andy,
I have your printer up and running no problems at all at 100mm/s except my pla is a little dodgy !
The one thing i wanted to do was print new higher "bottom stepper bases" so i acnput a power supply underneath, Could you send me the sketchup file for the ones you sent me which look like a lite version compared to the thingiverse ones.
Thanks Adam
Adam
I had this issue as well and I tapped the bottom of the towers and fitted some swivle feet however that might not be possible if you have used that central channel for cables!!
I also designed some feet that could be mounted to the bottom of the horizontal beams and I have attached both my STL fil and Freecad files for you to look at (Will probably be easier/quicker and less disruptive to your build) you may need to increase the height of the feet depending on the depth of your PSU (I can modify it for you if you wish
HTH Doug
Re: Cherry Pi III Is Available April 27, 2015 05:43PM |
Registered: 9 years ago Posts: 76 |
Re: Cherry Pi III Is Available April 27, 2015 06:32PM |
Registered: 11 years ago Posts: 14,685 |
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mikes3ds
Any one try a cheap IR Sensor with a simple voltage comparator circuit (with adjustable pot) as z probe. (~$10 total)
Re: Cherry Pi III Is Available April 29, 2015 05:03AM |
Registered: 10 years ago Posts: 893 |
Re: Cherry Pi III Is Available April 29, 2015 05:46AM |
Registered: 11 years ago Posts: 14,685 |
Re: Cherry Pi III Is Available April 29, 2015 07:12AM |
Registered: 10 years ago Posts: 893 |
Re: Cherry Pi III Is Available May 01, 2015 05:17AM |
Registered: 10 years ago Posts: 893 |
Re: Cherry Pi III Is Available May 01, 2015 07:42AM |
Registered: 10 years ago Posts: 1,159 |
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David J
A couple of questions for dc42:
David,
1. I've now got my Duet board - can I follow your instructions for converting the Kossel Mini to Duet when I install the board in my Cherry Pi? Not so much the physical aspects such as mounting the board, but the general set-up and so on.
2. Can I use a 2Gb microSD card? I have one in my cupboard, and it seems a shame to have to buy another!
FYI - the RepRapPro boards no longer come with plain headers for connecting the motors, end stops and thermistors - they now fit the polarised type like this. It's still possible to plug the normal 2 or 4 way connector in though.
I was surprised by the total lack of anything with the board though - just the Duet, in an anti-static bag, and nothing else. Considering the cost, you'd think they'd stretch to a few sheets of paper explaining how it all connects! I'm glad that you've made that list of links...
Thanks,
David
Re: Cherry Pi III Is Available May 01, 2015 07:51AM |
Registered: 10 years ago Posts: 893 |
Re: Cherry Pi III Is Available May 01, 2015 08:35AM |
Registered: 10 years ago Posts: 1,159 |
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David J
Thanks Doug,
I wouldn't mind a copy of your config.g file - more for information/education than anything else.![]()
I can modify it to suit if necessary.
Cheers,
David
Re: Cherry Pi III Is Available May 01, 2015 09:33AM |
Registered: 11 years ago Posts: 14,685 |
Re: Cherry Pi III Is Available May 01, 2015 09:40AM |
Registered: 10 years ago Posts: 893 |
Re: Cherry Pi III Is Available May 01, 2015 09:53AM |
Registered: 10 years ago Posts: 1,159 |
Re: Cherry Pi III Is Available May 01, 2015 09:54AM |
Registered: 10 years ago Posts: 1,159 |
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dc42
David,
1. Yes. For your config and homing files, I suggest you start from the ones I provide for the Mini Kossel, and adapt them to suit the large dimensions of your Cherry Pi. In particular, you will need to adjust the parameters in the M665 command in config.g, the maximum homing distance in homedelta.g, and the bed probe points in bed.g.
2. Yes, if it is fast enough. The Duet is a little fussy and has problems reading some of the slower types of microSD card. One day I'll dive into the SD card driver and see if I can fix this. Are you sure that there was not an SD card included with the Duet, perhaps installed in the socket already?
3. I am aware that the RepRapPro boards use Molex connectors now. They are more secure than pin headers, because if you use the proper Molex shells to terminate the wires, the shells lock into them and prevent accidental disconnection. This is particularly useful for the stepper motor connections, because disconnecting a stepper motor while it is powered can damage the driver (on ajy 3D printer electronics, not just the Duet).
What revision is your Duet? I believe RepRapPro has recently taken delivery of revision 0.8 boards. These use a linear 5V regulator instead of the switching regulator on the 0.6 board. It produces less EMI, but the current it can provide is much lower.
[EDIT: posting this response was much delayed because the forum server failed with an error message on the first attempt, and Doug has replied in the meantime.]
Re: Cherry Pi III Is Available May 01, 2015 09:56AM |
Registered: 10 years ago Posts: 893 |
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dc42
1. Yes. For your config and homing files, I suggest you start from the ones I provide for the Mini Kossel, and adapt them to suit the large dimensions of your Cherry Pi. In particular, you will need to adjust the parameters in the M665 command in config.g, the maximum homing distance in homedelta.g, and the bed probe points in bed.g.
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2. Yes, if it is fast enough. The Duet is a little fussy and has problems reading some of the slower types of microSD card. One day I'll dive into the SD card driver and see if I can fix this. Are you sure that there was not an SD card included with the Duet, perhaps installed in the socket already?
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3. I am aware that the RepRapPro boards use Molex connectors now. They are more secure than pin headers, because if you use the proper Molex shells to terminate the wires, the shells lock into them and prevent accidental disconnection. This is particularly useful for the stepper motor connections, because disconnecting a stepper motor while it is powered can damage the driver (on ajy 3D printer electronics, not just the Duet).
Quote
What revision is your Duet? I believe RepRapPro has recently taken delivery of revision 0.8 boards. These use a linear 5V regulator instead of the switching regulator on the 0.6 board. It produces less EMI, but the current it can provide is much lower.
Re: Cherry Pi III Is Available May 01, 2015 10:01AM |
Registered: 10 years ago Posts: 893 |
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dougal1957
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David J
Thanks Doug - I'll have a look at those shortly.
My printer is almost entirely standard, with the exception of the effector, which was designed by Pointy for the E3Dv6.
Cheers,
David
Ah so only the upper clamp pieces then.
Re: Cherry Pi III Is Available May 01, 2015 10:20AM |
Registered: 10 years ago Posts: 1,159 |
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David J
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dougal1957
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David J
Thanks Doug - I'll have a look at those shortly.
My printer is almost entirely standard, with the exception of the effector, which was designed by Pointy for the E3Dv6.
Cheers,
David
Ah so only the upper clamp pieces then.
It's a bit more complicated - the effector's spacers have been modified so that the E3Dv6 fan can fit in the usual place. This leaves the hot-end block at the level of the lower piece, so the hole has to be a fair bit bigger. It works well, but it will make the fitting of my inductive Z probe... interesting.
Re: Cherry Pi III Is Available May 01, 2015 10:22AM |
Registered: 10 years ago Posts: 1,159 |
Re: Cherry Pi III Is Available May 01, 2015 10:30AM |
Registered: 11 years ago Posts: 14,685 |
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David J
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What revision is your Duet? I believe RepRapPro has recently taken delivery of revision 0.8 boards. These use a linear 5V regulator instead of the switching regulator on the 0.6 board. It produces less EMI, but the current it can provide is much lower.
Mine has V0.6 written next to the PreRapPro logo - I guess that's the version number. Otherwise, can I identify the version by the ICs and/or components?
BTW: I guess that it won't hurt to have a fan blowing over the card? If so, I'll incorporate one while I'm sorting out the mounting of the board.
Thanks,
David
Re: Cherry Pi III Is Available May 01, 2015 10:31AM |
Registered: 10 years ago Posts: 893 |
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dougal1957
Oh by the way I can wholeheartedly recommend one of DC42's PanelDue displays to go with the Duet they are absolutely the Dogs Danglies
Re: Cherry Pi III Is Available May 01, 2015 11:05AM |
Registered: 10 years ago Posts: 1,159 |
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David J
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dougal1957
Oh by the way I can wholeheartedly recommend one of DC42's PanelDue displays to go with the Duet they are absolutely the Dogs Danglies
Having just bought the Duet board - I'll have to wait until my bank account catches up! Anyway, I can manage with the printer connected to the computer as that's the way I normally work. I'll consider it once I get the printer working properly with the new board (it was already sort-of working OK with RAMPS, including tracking, it's just the blobby print that knocks the effector out of register that I'll need to deal with once everything's back up and running with the new board).
Re: Cherry Pi III Is Available May 01, 2015 11:09AM |
Registered: 10 years ago Posts: 893 |
Re: Cherry Pi III Is Available May 01, 2015 12:36PM |
Registered: 11 years ago Posts: 14,685 |
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dougal1957
I am having horrendous problem's with mine getting it to calibrate the effector just will not track across the bed in a true fashion until I can get that sorted it is going no where so may just park it for a while and get the CoreXY going as I have a buyer for my Prusa I3 and I can't afford to be without a working printer so that I can manufacture the parts needed.
Re: Cherry Pi III Is Available May 01, 2015 12:45PM |
Registered: 10 years ago Posts: 1,159 |
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dc42
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dougal1957
I am having horrendous problem's with mine getting it to calibrate the effector just will not track across the bed in a true fashion until I can get that sorted it is going no where so may just park it for a while and get the CoreXY going as I have a buyer for my Prusa I3 and I can't afford to be without a working printer so that I can manufacture the parts needed.
Doug, is the tracking in error across the entire bed, or only near the edges? If it is only near the edges, then for now you could accept a smaller print radius, and adjust the probe points in the bed.g file to reflect this.
Re: Cherry Pi III Is Available May 01, 2015 01:09PM |
Registered: 11 years ago Posts: 14,685 |
Re: Cherry Pi III Is Available May 01, 2015 03:41PM |
Registered: 11 years ago Posts: 7 |