Delta 3D Printer for Ceramics with Mechanical Ram and Print Head Auger

Description

(Updated 15 August 2019 To Include The Parts For A Mechanical Ram And Print Head Auger. The Bom For This Has A Lot Of Information, But I Am Still Adding Details Including More Pics.) This Is An Extrusion-Based 3D Printer Designed Specifically For Printing Clay And Other Paste Materials, Remixed From The Exceptional Work Done By Jonathan Keep, Unfold, And Oliver Reinecke, Among Others. Specific Remixes (Still Editing This Section For Clarity And Additional Information): Scaled Up To A 235Mm Diameter X 425Mm Height Print Volume. Uses 36 Inch (Or 900Mm +/-) 12Mm Bearing Rods And Aluminum Connecting Rods (Rod Length Makes 335Mm Between Pivot Point Centerlines Based On The K&S Stock Parts Used). Uses Uxcell (About 300Cc) Cartridges For The Clay For Direct Pneumatic Extrusion (Lower Initial Cost Compared To Techcon), As Well As A 1750Cc External Canister With A 30:1 Worm Drive Nema 23 Stepper Motor Feeding A Printhead Auger On The Effector, Which Requires No Compressed Air. Includes A Bom With Links To Vendors (Lots Of Ebay And Amazon) With Total Cost (Updated As Of July 2019). Includes Stl Files For A Modular Printer Center That Can Switch Between Uxcell Cartridges And The Ram/Auger Extruder (Modular_Center.Stl, Uxcell_Cartridge_Insert.Stl, Augerledgerscrewjune2018.Stl), Or With An Adapter You Can Use Any Material Delivery System: A Wasp Clay Extruder, Or Versions From Jonathan Keep, Stoneflower, Cerambot, Bryan Cera (Ceratops), Or Your Own Design. The Ram Extruder Is Still A Bit Of A Wip. Many Exciting Versions In Development Can Be Found On The Wikifactory Group (See Link Below). Includes Two Versions Of Ways To Capture The Clay Tube. One Version Is Like The Potterbot/Ceratops (Internalhosecapv2.Stl And Internalmotorcapv1.Stl), Which Can Be 3D Printed In Pla (As Long As It'S Solid :). The Other Version Uses Cnc Milled Parts That Clamp Externally Around The Canister (Motorcap.3Dm, Hosecap.3Dm, Etc). Includes Marlin Firmware, Updated To 1.1.X With Features Turned On For The External Canister With Mechanical Ram And Specific To This Build (Zibes_Delta_Marlin_2019.Zip). Specifically, This Firmware Enables The Mixing Function, So E0 Runs The Nema 17 On The Effector And E1 Connects To The Externa Nema 23 Stepper Driver, And Turns On The Filament Runout Sensor So The Ram Will Pause The Print In Order To Change The Cartridge. This Requires An Endstop Switch To Signal The Material Has Run Out, And It Has An Extrusion Function To Prime The System Once It Is Refilled Before Going Back To The Print. (I Am Still Working On Marlin 2.0 For Arm Processors, Which Will Allow The Whole System To Easily Run On 1 24V Power Supply--As This Is Configured, It Is An Upgrade With An Additional 24V Power Supply That Runs Only The Ram Nema 23 Stepper Motor/Driver, While The Rest Remains Running On The Original 12V Power Supply). Also Includes A Starting Config File For Slic3R (Clayprinter12Gaugenozzle.Ini). The Configuration File Contains Settings For The Auger, Which Has Gcode That Sets The Mixing Values Between The External Nema 23 Motor And The Nema 17 On The Effector. See The Wikifactory Group On This Topic (With Huge Thanks To Jonathan Keep, Dries Verbruggen, Tom Lauerman, And The Rest Of That Community): Https://Wikifactory.Com/+Ceramic3Dprinting/Forum

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