Precious Plastic Extruder

Hint: This work builds upond the precious work of Precious Plastic. We are indebted here to Dave Hakkens. See https://preciousplastic.com/en/videos/download.html

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BOM

• Wood bit - 1" - [3]. 7/16" shank, as in 1/2" version. Local - [4]
• Pipe flange - Menards $5 - [5]
• Pipe flange - pack of 10 - Amazon - $4 ea - [6]
• 1" pipe -

CAD - OSE Version

• This is the OSE version remake. See https://github.com/OpenSourceEcology/Extruder

CAD - Part Library

Printer

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  D3D v19.02 Final Assembly - size:nullkb - FreeCAD -File:D3Dfinalassemblyv1902.fcstd

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  12" Frame - size:nullkb - FreeCAD -File:Frame1902.fcstd

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  Bracket for bonding frame together without welding. - FreeCAD -File:Framebracket.fcstd. STL - File:Framebracket.stl

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  Z1 axis - size:nullkb - FreeCAD -File:Z1D3Dv1902.fcstd

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  [10] Motor Side of Axis - 221k - FreeCAD -File:Universal axis motor side.fcstd. STL - File:Universal axis motor side.stl

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  Universal axis carriage: File:Universal axis carriage side.fcstd. STL - File:Universal axis carriage side.stl

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  Half carriage: File:Axis half carriage.fcstd. STL - File:Axis half carriage.stl

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  [10] Short Idler Side - 75k - FreeCAD - File:Universal Axis Idler Side short version.fcstd. STL - File:Universal Axis Idler Side short version.stl.

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  X cable chain - FreeCAD - File:X cable chain.fcstd.

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  Y cable chain - FreeCAD - File:Y cable chain.fcstd.

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  Cable chain bracket - FreeCAD - File:Cable chain bracket.fcstd.

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  XY Bracket - FreeCAD - File:Xy bracket.fcstd. STL - File:Xy bracket.stl.

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  Cable Chain Main Link. File:Link.fcstd. STL - File:Link.stl

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  Beginning Cable Piece - File:D3dcablechain beginning.stl.

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  End Cable Piece - File:D3dcablechain end.fcstd. File:D3dcablechain end.stl.

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  Endstop holder. - File:Endstopholder2.fcstd. File:Endstopholder2.stl. See Open Source Endstop Holder

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  Generic limit switch. - File:Limitswitch.fcstd. Source: [1]

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  Endstop holder assembly. - File:Endstop assy.fcstd.

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  Y Cable Chain Mounting Bracket. - File:Cablechainbracket.fcstd. File:Cablechainbracket.stl.

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  E3D Titan Bracket. - File:E3dtitanbracket.fcstd. File:E3dtitanbracket.stl.Source - [2]

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  LFX_24V Power Supply - size:nullkb - FreeCAD -File:LFX 24V Power Supply.fcstd

BOM Candidates

• Insulator brick - [7]
• Carbon fiber welding blanket insulation - [8]
• Small high torque hydraulic motor - [9] $50
• Type K Thermocouple - [10] - $7
• SSR - [11] - $7
• 1" flange - $4 on amazon - [12] or $5 menards - [13]
• PID Controller - $23 - [14]
• PID with SSR + thermocouple - $14 - [15] - got 3.
• [3] band heaters - 35x45 mm - $4 + SH - [16]
• [1] band heater - 1.75" for next coupler
• 1-3/4" coupler - [17]
• 1.75" heater - [18]

Notes

• 1.75" is 45 mm
• 35 mm is 1.38 in
• 40 mm is 1.57 inches
• OD of pipe union
• 1.25" and 1.75" nozzle heaters are available easily - [19]