diff --git a/articles/determining_max_speeds_accels.md b/articles/determining_max_speeds_accels.md index 3fbc2cd..cdd42c2 100644 --- a/articles/determining_max_speeds_accels.md +++ b/articles/determining_max_speeds_accels.md @@ -52,7 +52,8 @@ Tune maximum accelerations first, then tune speeds second. The acceleration test does need reasonably fast speeds to ensure accuracy, however. Make sure that your `max_velocity` in your config is set to this reasonably fast speed that you already know works **reliably.** -There is some interplay between accelerations and speeds. +{: .note } +>:bulb: There is some interplay between accelerations and speeds. You may get a slightly higher maximum speed with a slightly lower maximum acceleration and vice versa. Experiment! --- @@ -76,12 +77,11 @@ There is some interplay between accelerations and speeds. - If you experience any skipping during extended tests, back the speed down again. -5. *Use a slightly lower value than your results.* - - Sometimes a maximum that works perfectly, even in extended torture tests, can skip during actual prints. Go a bit lower for a margin of safety. +5. Save your new maximum acceleration to `max_accel` in your config and `RELOAD`. + - *Use a slightly lower value than your results.* + - Often times, a maximum found through synthetic tests (even in extended tests) can skip during actual prints. Go a bit lower for a margin of safety. ~15% lower often works for me, but your mileage may vary. -6. Save your new maximum acceleration to `max_accel` in your config and `RELOAD`. - -7. Use the "acceleration" graphing calculator at the bottom of the page [:page_facing_up: here](https://blog.prusaprinters.org/calculator_3416/) to find the theoretical maximum speed for your acceleration/print area. Remember it for the next step. +6. Use the "acceleration" graphing calculator at the bottom of the page [:page_facing_up: here](https://blog.prusaprinters.org/calculator_3416/) to find the theoretical maximum speed for your acceleration/print area. Remember it for the next step. - This is only a theoretical maximum. I will explain more in the next step. @@ -97,7 +97,7 @@ There is some interplay between accelerations and speeds. - The **blue line** just shows how far a given speed would be maintained (400mm/s in this example - arbitrarily chosen) -8. Repeat the process (steps 1-6), this time increasing speeds rather than accelerations. +7. Repeat the process (steps 1-6), this time increasing speeds rather than accelerations. - Keep in mind that you can **only go up to the theoretical maximum value you found in the previous step.** - In most cases, this is very high and a non-issue. @@ -106,7 +106,9 @@ There is some interplay between accelerations and speeds. - Once again, run an extended "torture test" once you find your rough limit. - Example: `TEST_SPEED SPEED=450 ITERATIONS=50` -9. Save your new maximum speed to `max_velocity` in your config and `RELOAD`. +8. Save your new maximum speed to `max_velocity` in your config and `RELOAD`. + - *Use a slightly lower value than your results.* + - Often times, a maximum found through synthetic tests (even in extended tests) can skip during actual prints. Go a bit lower for a margin of safety. ~15% lower often works for me, but your mileage may vary. ## Usage of the TEST_SPEED Macro