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I tried setting the solder jumpers to fast decay and it made the problem very much worse. A bit more research told me that some xPro boards are...
It is jerky at all speeds, however as the speed increases it becomes less noticeable. I have just taken videos at various feed rates, then slowed...
Just taking a step back here, the problem as I see it is that the movement is jerky at low speeds and the jerk it a full step intervals. As can...
OK, yes I agree that spec vs reality are often different. Mine do have heat-sinks and fans, don't know if that is how Spark supply the board or if...
I've just tried turning the current down and it makes the jerkiness more pronounced. Out of interest, the spec for the DRV8825 says that it will...
Stepper cables are not shielded. Nothing generating hf noise, nearest wireless router is 15 metres away or more. The 24volt power supply is...
I just connected an oscilloscope between the motor lead and earth, I have uploaded 3 pictures showing the trace, all running a move at 50...
I measured the current, put my meter in series with one of the motor wires. When moving it jumps around between about +2.1A and -2.1A. I took a...
I bought it all as a kit from Oozenest. The motors are Motech Motor MT2303HS280AW-C 1.8 degree/step, the controller is Spark Concepts xPro V3...
Here is a video of it cutting my PCB in air, the volume is a bit low but if you turn it up you can hear the motors. It is running at 75 mm/min....
OK here is a video, there is road noise in the background I'm afraid, but you can still hear the sound of the stepper motor.
1- Not sure. In the early days I did cut a PCB successfully, so the judder either wasn't there or wasn't as bad, but I made so many mistakes it...
I am trying to engrave a PCB on my Ox using a 0.5mm cutting bit, and consistently breaking bits. I am cutting at 200 mm/min. The reason seems to...
Hi Kyo, Many thanks for your reply. I have looked at the Sliptonic video and the Path option on FreeCAD looks really promising. I need to spend...
I am new to CNC and CAD, so starting from a low point:) I have an Ox, connected to a Raspberry Pi running bCNC, that is all working. What I need...
Hi, How do I get the Visualize function to work in UGS? I am running version 2.0.0 stable on a Raspberry Pi. When I load g-code and press the...
