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"""
Module for making things out of plastic using a thermoplast extruder
"""
# Python module properties
__author__ = "Stefan Blanke (greenarrow) (greenarrow@users.sourceforge.net)"
__license__ = "GPL 3.0"
__licence__ = """
pyRepRap is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
pyRepRap is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with pyRepRap. If not, see <http://www.gnu.org/licenses/>.
"""
import reprap, time
class FFM:
def __init__(self, extrudeTemp, extrudeSpeed, moveSpeed, zBottomLayer, zIdleHeight, stopReverseMotorTime):
self.extrudeTemp = extrudeTemp
self.extrudeSpeed = extrudeSpeed
self.moveSpeed = moveSpeed
self.zBottomLayer = zBottomLayer
self.zIdleHeight = zIdleHeight
self.stopReverseMotorTime = stopReverseMotorTime
self.fastSpeed = 200
self.currentLayerHeight = self.zBottomLayer
reprap.cartesian.setMoveSpeed(self.moveSpeed)
def setExtrudeSpeed(self, speed):
self.extrudeSpeed = speed
def setExtrudeMoveSpeed(self, speed):
self.moveSpeed = speed
# reprap.cartesian.setMoveSpeed(self.moveSpeed)
# Layer down a line of plastic (Move to start point, lower tool (if not already), deposit plastic in line to end point, stop depositing.)
def extrudeLine(self, x1, y1, x2, y2):
if x1 != x2 or y1 != y2:
reprap.cartesian.seek( (x1, y1, False), speed = self.fastSpeed )
self.lowerTool()
reprap.extruder.setMotor(reprap.MOTOR_FORWARD, self.extrudeSpeed)
reprap.cartesian.seek( (x2, y2, False), speed = self.moveSpeed )
reprap.extruder.setMotor(reprap.MOTOR_FORWARD, 0)
def reverseMotorStopFlow(self):
reprap.extruder.setMotor(reprap.MOTOR_BACKWARD, self.extrudeSpeed)
time.sleep(self.stopReverseMotorTime)
reprap.extruder.setMotor(reprap.MOTOR_BACKWARD, 0)
# Raise tool to safe moving height
def raiseTool(self):
reprap.cartesian.z.seek(self.currentLayerHeight - self.zIdleHeight, speed = self.fastSpeed)
# Lower tool to current layer working height
def lowerTool(self):
reprap.cartesian.z.seek(self.currentLayerHeight, speed = self.fastSpeed)
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