All you can do is stumble blindly and hope you don’t stub your toe. Imagine you wake up in a strange house, blind. I invested a lot of time today on gcode G28, automatic homing. I’ll be adding these bearings to the store when they arrive. If you think you can help me get better prices, please use the contact us form to say hi. An hour after I confirmed the order another supplier got back to me and said they could supply the same bearings for $50 less, shipping included. the best offer wanted to charge me $150 for 50 bearings + shipping. I scoured Alibaba and got several quotes. Right now I have to tighten nuts all the way and then loosen them 1/4 turn, which leaves a lot of wiggle room. I’m going to add 10 or 11 to this model to make the movement extra smooth. I ordered some 3mm ID, 8mm OD, 3mm thick, flanged bearings. The screw that goes through both pieces and the tendon can’t twist any more, which removes a lot of wiggle from the finger tip. I cut a second copy of the bit sticking out and made a sandwich with the gear in the middle. While I had the laser going I also cut another of these pieces. No DXF file changes were needed, I just cut the same part again from the thicker birch material. This seems to dampen the torque caused by a fast moving finger tip. The bicep side walls have been thickened from 1/8″ to 1/4″. That same power could be used for a vacuum pump. The RUMBA is meant for a 3D printer so I also have power out that’s meant for a heated bed or nozzle. I have pin outs for exactly one servo, so a claw is doable. If you’d like to make a tool for this machine, the M3 holes are 1.91cm apart on the horizontal and 2.65cm apart on the vertical, center to center. I’m OK with the remaining play, it’s not really worth it to me to improve the pen holder much more. This newer model has graduated holes that will stop a Sharpie from falling out the bottom but still allow it to rise if the finger tip gets too close to the paper. I replaced the 3d printed pen holder with a laser cut model that would give me everything I wanted. The next most obvious problem was the floppy pen. Sorry, Internet, but that’s as close to a cat as we get around here.
#Java lwjgl robot code
The code changes have already been checked into Github. I dipped into the Makelangelo and Stewart platform parts for a RUMBA controller. Today I attacked several low hanging fruit to improve the machine.įirst of all, the noise. The 3DOF robot arm I built is coming along very nicely.
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