From Measurements to MakerBot
From Clothbot
Contents |
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From Measurements to MakerBot
Step-by-step instructions for calibrating and characterizing a stock-built MakerBot, followed by a set of measurements to perform and their relationship to SkeinForge settings.
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Initial Assembly Calibration
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The Threaded Zed Stage
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Threaded Rod Bearing Brackets
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Drive Belt Tension
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Stepper Driver Current
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Stepper Direction
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Leveling Four Corners
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Cartesian Build Platform
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Smooth Rod Brackets
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Drive Belt Tension
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Stepper Driver Current
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Stepper Direction
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Leveling the Build Platform
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Plastruder Placations
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PTFE Passage
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Idler Pressure
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Check for Short and Opens
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Operational Calibration
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Firmware Upgrades
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MotherBoard Firmware
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Extruder Firmware
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Extruder Checklist
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Thermistor Calibration (Beta Calculation)
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Heater Control System (PID Parameters)
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Noodling Nitpicks
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Noodle Diameter
- Free-space diameter used for all skeinforge settings.
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Reversal Parameters
- Firmware controlled oozebane
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SkeinForge Simplified
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Movement
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Travel Rates
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Materials
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Feed Rates
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Picking Zed-Slice Thickness
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Walls and Shells
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Old (Wet) ABS
- Measured filament width: 0.60mm
- Temperature: 190C
Carve Setting Variations:
- Defaults
- Time to pause (ms): 5
- Time to reverse (ms): 500
- Time to advance (ms): 44
- Min. Extrusion time before reversal (mm): 44
Layer Thickness (mm) | Extrusion Width over Thickness (ratio) | Measured Wall Width (mm) | Measured Wall Start/Stop Gap (mm) |
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0.36 | 1.45 | 1.0 | 3.65 |
- Test 1
- Time to pause (ms): 0
- Time to reverse (ms): 0
- Time to advance (ms): 0
- Min. Extrusion time before reversal (mm): 0
Layer Thickness (mm) | Extrusion Width over Thickness (ratio) | Measured Wall Width (mm) | Measured Wall Start/Stop Gap (mm) |
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0.36 | 1.45 | 1.24 | blob |
- Test 2
- Time to pause (ms): 5
- Time to reverse (ms): 250
- Time to advance (ms): 44
- Min. Extrusion time before reversal (mm): 44
Layer Thickness (mm) | Extrusion Width over Thickness (ratio) | Measured Wall Width (mm) | Measured Wall Start/Stop Gap (mm) |
---|---|---|---|
0.36 | 1.45 | 1.0 | 1.0 |
- Test 3
- Time to pause (ms): 5
- Time to reverse (ms): 125
- Time to advance (ms): 44
- Min. Extrusion time before reversal (mm): 44
Layer Thickness (mm) | Extrusion Width over Thickness (ratio) | Measured Wall Width (mm) | Measured Wall Start/Stop Gap (mm) |
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0.36 | 1.45 | 0.87 | 1.0 |
- Test 4
- Time to pause (ms): 5
- Time to reverse (ms): 125
- Time to advance (ms): 22
- Min. Extrusion time before reversal (mm): 22
Layer Thickness (mm) | Extrusion Width over Thickness (ratio) | Measured Wall Width (mm) | Measured Wall Start/Stop Gap (mm) |
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0.36 | 1.45 | 1.0 | blob |
- Test 5
- Time to pause (ms): 5
- Time to reverse (ms): 125
- Time to advance (ms): 33
- Min. Extrusion time before reversal (mm): 33
Layer Thickness (mm) | Extrusion Width over Thickness (ratio) | Measured Wall Width (mm) | Measured Wall Start/Stop Gap (mm) |
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0.36 | 1.45 | 1.0 | blob |
- Test 6
- Turn off Skeinforge Oozebane.
- Time to pause (ms): 5
- Time to reverse (ms): 125
- Time to advance (ms): 33
- Min. Extrusion time before reversal (mm): 33
Layer Thickness (mm) | Extrusion Width over Thickness (ratio) | Measured Wall Width (mm) | Measured Wall Start/Stop Gap (mm) |
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0.36 | 1.45 | 1.0 | space |
- Test 7
- Wobble Arrestor
- Time to pause (ms): 5
- Time to reverse (ms): 125
- Time to advance (ms): 33
- Min. Extrusion time before reversal (mm): 33
Layer Thickness (mm) | Extrusion Width over Thickness (ratio) | Measured Wall Width (mm) | Measured Wall Start/Stop Gap (mm) |
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0.36 | 1.45 | ... | ... |
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Filled Volume
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Raft vs Raftless
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Models
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Overhangs
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Support Structures
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Bridges
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Holes
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Test Pieces
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Positive Space
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Cube
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Long Walls
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Tall Structures
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Negative Space
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Vertical Holes
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Horizontal Teardrops
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