CreatBot/CreatBotKlipper
6
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

extruder: Calculate sane defaults for extrude only velocity and accel

Browse Source 
Instead of requiring the user enter velocity and accel parameters for
extrude only moves, calculate sane defaults from the printer's maximum
velocity and accel.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2017-01-02 18:58:45 -05:00
parent b26922978a
commit c87c090264
8 changed files with 21 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
klippy/extruder.py
View File

@@ -8,6 +8,7 @@ import stepper, heater, homing
class PrinterExtruder:
def __init__(self, printer, config):
self.config = config
self.heater = heater.PrinterHeater(printer, config)
self.stepper = stepper.PrinterStepper(printer, config, 'extruder')
nozzle_diameter = config.getfloat('nozzle_diameter')
@@ -17,11 +18,15 @@ class PrinterExtruder:
'max_extrude_cross_section', 4. * nozzle_diameter**2)
self.max_extrude_ratio = max_cross_section / filament_area
self.max_e_dist = config.getfloat('max_extrude_only_distance', 50.)
self.max_e_velocity = config.getfloat('max_velocity')
self.max_e_accel = config.getfloat('max_accel')
self.max_e_velocity = self.max_e_accel = None
self.pressure_advance = config.getfloat('pressure_advance', 0.)
self.need_motor_enable = True
self.extrude_pos = 0.
def set_max_jerk(self, max_xy_halt_velocity, max_velocity, max_accel):
self.max_e_velocity = self.config.getfloat(
'max_extrude_only_velocity', max_velocity * self.max_extrude_ratio)
self.max_e_accel = self.config.getfloat(
'max_extrude_only_accel', max_accel * self.max_extrude_ratio)
def build_config(self):
self.heater.build_config()
self.stepper.set_max_jerk(9999999.9, 9999999.9)