From 478f26cab6c8e73e3970d2b303bc818f6910ae74 Mon Sep 17 00:00:00 2001 From: "github@matthewlloyd.net" Date: Tue, 15 Jun 2021 17:36:00 -0400 Subject: [PATCH] config: Specify gear_ratio for Prusa Mini+ extruder Also clarifies the documentation for rotation_distance in the stepper docs. Signed-off-by: Matthew Lloyd --- config/printer-prusa-mini-plus-2020.cfg | 3 ++- docs/Config_Reference.md | 3 ++- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/config/printer-prusa-mini-plus-2020.cfg b/config/printer-prusa-mini-plus-2020.cfg index a28382ef..98494aa0 100644 --- a/config/printer-prusa-mini-plus-2020.cfg +++ b/config/printer-prusa-mini-plus-2020.cfg @@ -66,7 +66,8 @@ step_pin: PD9 dir_pin: !PD8 enable_pin: !PD10 microsteps: 16 -rotation_distance: 9.84615 # 200 * 16 / 325 +rotation_distance: 29.5385 # (200 * 16 * 3) / 325 +gear_ratio: 3:1 nozzle_diameter: 0.400 filament_diameter: 1.750 heater_pin: PB1 diff --git a/docs/Config_Reference.md b/docs/Config_Reference.md index 5297edd2..7b9a9768 100644 --- a/docs/Config_Reference.md +++ b/docs/Config_Reference.md @@ -132,7 +132,8 @@ enable_pin: # driver must always be enabled. rotation_distance: # Distance (in mm) that the axis travels with one full rotation of -# the stepper motor. This parameter must be provided. +# the stepper motor (or final gear if gear_ratio is specified). +# This parameter must be provided. microsteps: # The number of microsteps the stepper motor driver uses. This # parameter must be provided.