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by 3D-ME

RepRap is humanity's first general-purpose self-replicating manufacturing machine. It is an open-source project that focuses on the creation and development of 3D printers that can print (some of) their own parts.

More information can be found at the wiki: http://reprap.org/wiki/Main_Page

This group is a place to discuss and share files related to, but not limited to; printer designs, modifications/upgrades, calibration, etc.

Join to share your own RepRap related designs with this group!

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PID Tuning Question

by MakeItMakeItMakeIt

I did 3 separate PID tuning sessions through Host-Rep on my Maker Select and acquired the necessary values for the 3 diff materials I print in.

I have 3 different Printer Profiles in Cura, into which I enter the appropriate PID values into the Start Gcode.

The command I'm using is:

M301 H1 Pvalue Ivalue Dvalue.

When I check those values through my control panel while the print is running, the reported PID values are NOT the same as what I entered into my Start Gcode.

For ex: my PLA values in the Start Gcode are P 19.92 I 1.31 D 46.02

What is displayed in the Control Panel are NOT the same values, not even really close: P 10.11 I .66 D 38.46

I spent the time doing the PID tunes across 3 diff materials (PLA, PLA+, PETG) but they do not seem to be used during printing.

Can anyone give me some insight as to why I'm not seeing the same values during the print?

Am I using the correct command to set those PID values?

Thanks in advance.

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Bumps and Blobs in Y axis motion only.

by divreig

so I am working on a new build and Bumps and Blobs in Y axis motion only. Lines in the X are perfect. the line in the y are so bumpy that the print head is bumping them hard and even getting stuck ever couple of layers

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Having troubles with Marlin and GT2560

by Revamped_Outdoors

Hey everyone, I am currently working on using a GT2560 with a new version of Marlin. I got this board on a great deal and it allows for replaceable stepper drivers. I am going to be putting into an older CR-10 and do additional mods just using the printer as a frame and parts.

So far I have modified a version of Marlin 1.1.9 and flashed it to the board with A4988 drivers adjusted to 1.0v to on all (just to start, measured pot to gnd). I haven't gotten the stock display to work yet but I can run it through machine control or pronterface. Marlin loads up fine I have complete control over the heat bed and the hot end temperature. I have verified that all the endstops trigger while depressed using the M119 command.

Everything seems fine until I jog controls, when I jog any axis 1 mm the X axis moves to the left very quickly hits the endstop and clicks out until I reset. It does not appear that the end stop is recognized even though the endstop state shows a triggered response. This occurs with any movement in any direction (the x-axis moves quickly and does not stop). All endstops are associated with the correct axis in the M119 and the steppers are hooked up in the corresponding connections on the board.

Just wondering if this is a problem in my configuration of Marlin or if it is a mainboard problem. Although everything else seems to be working great on the mainboard so I am hoping it's in my configuration. Any help with this would be greatly appreciated! I have tried to attach the modified configuration.h file I am using. Thanks for looking, I'll post updates on here if I figure anything out.

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Azteeg x5 mini wifi

by leonarco

Hi there.

Does anyone have a lot of experience with the azteeg x5 mini and/or smoothieware?

I just picked up an x5 mini to drive my printer. I'm upgrading my current printer pretty much to figure out the hurdles that I will run into when I build another one from the table up.

The new brain box just arrived and while most of the hardware hookup seems pretty straight forward, the firmware and the confuser interfacing is all a bit new to me. With the smoothie wiki, I can probably bumble my way through it, but if there is someone in here with a lot of experience with smoothie ware and either the x5 chip or the smoothie board and would be able to offer some help/advice I would appreciate it.

Thanks, all.

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