Spool buffer Hartpa 3

Spool buffer Hartpa 3

thingiverse

HARTPA V3 Spool Buffer for PRUSA MMU Multimaterial Printing on the Printer Pruša MMU Assumes a Gradual Exchange of Filaments of Different Colors. The Filament Used for Printing Is Redrawn Back So That It Can Be Replaced by Another. The Device Uses Gravitational Energy to Wind the Released Filament Back Onto the Spool. Device Is an Upgrade of HARTPA V2. Against HARTPA V2, the Structure Was Reinforced with the Rods from the Jakl Profile. This Measure Does Not Distort the Frame by the Coil Weight. The Connection to the Pulley Points of the Printer Has Been Adjusted So That the Coil Is Directly Connected Using PTFE Tubes. 1. Finished Parts Bolt M8 x 80 Hex Head with 2 Pieces Screw Washer M8, 2 Pieces Nut M8 Low, 2 Pieces Screw 3x40 with Countersunk Head, 2 Pieces Screws M3 x 25 Countersunk Head, 8 Pieces Nut M3, 8 Pieces Screw M3 x 16 for Hex Wrench, 2 Pieces Nut M3 Square, 2 Pieces Ball Bearings 8/22x7, 4 Pieces M10 x 25 Hexagon Bolt, 1 Piece Nut M10, 1 Piece Self-Adhesive Rubber Boots, 4 Pieces 2. Drilling Templates Print Parts • Drilling Template – Vertical • Drilling Template – Horizontal 3. Production of Bars for Construction. Cut Bars from the Jakl Profile According to Drawing “Horizontal Bar. Pdf”, “Vertical Bar. Pdf.” The Ends of the Rods Must Be Trimmed to Be Completely Perpendicular! Drill All Holes to a Diameter of 3 mm Using Drilling Template. Drill Holes for Larger Diameters and Counterbore According to the Drawing. Cut the Thread into the Vertical Bars. 4. Printed Parts Print from PLA • Vertical Frame • Horizontal Frame • Fasten Stop (Set Fill Density to 75%), 2 Pieces • Spinner • Arm • Guide • Holder • Nut 5. Assemble Everything According to Attached Pictures. 6. Connect the Spool Buffer to the Printer with the PTFE Tube. Open Issue: The Inertia of the Coil Sometimes Causes the Filament Skip Edge of the Coil.

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