Machine: Custom build 1305x760mm
Firmware: Smoothie as shipped
Question: Is there any rule of thumb or way of estimating a good acceleration figure to start out with?
I’m stress testing my machine and want to push it to its limits, (no laser installed - just testing the mechanics), but I don’t have a good feel on how to adjust accelerations and what to look for when I do.
I have my max speeds set in the config file as 60000 mm/min, (although I’m not hitting that speed - maybe getting 20000 mm/min), and acceleration at the default 2500 mm/sec^2. I read one post where someone had their machine running at 550mm/sec with an acceleration of 10,000 mm/sec^2 so I should be able to get some more out of this I think.
What would a good process be for getting speeds and accelerations dialed in? I can send ever increasing feed rates in a G0 command at different acceleration levels, but what result am I looking for? What’s the consequence of too much or too little acceleration?
My ultimate goal is to find the maximum rates before my machine starts to complain, and then back it off with a suitable safety margin and program that in to the config file to give myself trouble free running.