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by troth530
Sat Jan 05, 2019 1:36 am
Forum: Hardware Discussions
Topic: Amost there- Eleksmaker A3 Pro
Replies: 12
Views: 2410

Re: Amost there- Eleksmaker A3 Pro

Hi Jeff, I think the $1=255 was the main fix for the canvas issue and the canvasing was actually drift related to the detents on each full step. I'll run some side by side comparisons to put it to rest. Actually I'll have to go back and triple check 0.1mm pixel res, it did in fact always seem small ...
by troth530
Fri Jan 04, 2019 2:52 am
Forum: Hardware Discussions
Topic: Amost there- Eleksmaker A3 Pro
Replies: 12
Views: 2410

Re: Amost there- Eleksmaker A3 Pro

Step idle delay ($1=255) may have helped! Still need to confirm with some more tests. I might also be able to get away with $1=100, not sure. It's unclear how it' implemented from what I'm finding on the web I need to go back and reset the stepper current because that setting may cause overheating o...
by troth530
Tue Jan 01, 2019 8:45 pm
Forum: Hardware Discussions
Topic: Amost there- Eleksmaker A3 Pro
Replies: 12
Views: 2410

Re: Amost there- Eleksmaker A3 Pro

Hi John, could be. The pitch of the lines of the canvas effect do not align with the detents. My stepper motors are 1.8deg which is 200 steps per revolution and the pulleys are 20 teeth at 2mm pitch, so that's 40mm/200steps or 0.5mm per detent. The "canvas" lines are more like 0.8mm. I def...
by troth530
Mon Dec 31, 2018 8:10 pm
Forum: Hardware Discussions
Topic: Amost there- Eleksmaker A3 Pro
Replies: 12
Views: 2410

Re: Amost there- Eleksmaker A3 Pro

Hi Jeff, that's a 62oz-in motor (or 0.43Nm) that you're likely using. Definitely a better motor and driver. Not sure if I'm on the right track, but willing to try a few things.
by troth530
Mon Dec 31, 2018 7:23 pm
Forum: Hardware Discussions
Topic: Amost there- Eleksmaker A3 Pro
Replies: 12
Views: 2410

Re: Amost there- Eleksmaker A3 Pro

Hi Jeff, my holding torque is 0.28Nm. Do you have the part number or specs on your motors. My guess is to have 2x to 4x holding torque than I do. LightObject which is within driving distance have 0.57Nm motors I'd be willing to try.
Thanks.
by troth530
Mon Dec 31, 2018 12:53 am
Forum: Hardware Discussions
Topic: Amost there- Eleksmaker A3 Pro
Replies: 12
Views: 2410

Re: Amost there- Eleksmaker A3 Pro

Hi Jeff, Yea, not bad for a $20 payment to Habitat for Humanity which is also tax deductible. Also it was a really worth the money since it only took about an hour to setup and gives a really flat surface. The material I'm using is warped, so I'm taping it down but still affects the results. I had a...
by troth530
Sun Dec 30, 2018 3:37 pm
Forum: Hardware Discussions
Topic: Amost there- Eleksmaker A3 Pro
Replies: 12
Views: 2410

Re: Amost there- Eleksmaker A3 Pro

Apparently this was done with only 1 of the 2 y-motors plugged in as I just found out while trying to shim all corners.
by troth530
Sun Dec 30, 2018 2:20 pm
Forum: Hardware Discussions
Topic: Amost there- Eleksmaker A3 Pro
Replies: 12
Views: 2410

Amost there- Eleksmaker A3 Pro

Jeff and John have been tuning me up quite a bit. But there is still quite a bit of work to get it dialed in. Machine - Eleksmaker A3 Pro with 2.5W laser module Mana SE controller with PWM output Added pulldown resistor on PWM output to eliminate firing during startup TMC2130 upgraded drivers voltag...

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