s time to share some of the pics of my machine based on the Lowrider CNC. My intention was to be able to cut full sized sheets of plywood, 2500mmx1250mm. I wanted the machine to be easily disassembled to make room in the garage, but the XZmain pieces were falling apart after taking the whole assembly off the table. So I redesigned parts of the machine and used some rectangular steel tubes cut to size and welded everything together (I know its called Mostly Printed CNC, but for me this was the best way to go)
While doing this, I also switched to Nema23 steppers for Z and Y-axis, X-axis is still Nema 17.
Machine control is done by a SKR V1.3 and TMC5160 drivers, as shown in Teaching Techs videos- but it still took a long time to get this thing running.
Milling is done by a brushless spindle (if you want to buy one: it has to have tree wires coming out of the motor!) which works fantastic and is really quiet compared to other motors. I am using a cable drag chain for the X-axis and spindle cable.
The table, which is roughly 3 meters long, can be divided in half for easy storage and the legs can be removed.
I also came up with a super simple way to attach the timing belts, by using some aluminium brackets at the front faces.
At the moment, I am doing some test runs.
Estlcam 8 seems to work fine without any problems so far (I did some changes in the settings as mentioned somewhere her in the forum), but with Aspire 9 there are some issues.
I tried the Marlin_mm_test processors 3,4 and 5 and did some changes there too, I also tried to change the speed settings in Aspire and the current settings in the firmware, but still the z-Axis stops working from time to time, sometimes only one side, sometimes both sides, only to start working again after a while……
I checked the TMC driver- and motor temperature, connectors, cable, no result so far - maybe I just stick with Estlcam. We will see. Overall, I am quite impressed by performance of the machine and the accuracy which can be achieved with a setup like this.