Tantillus

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Tantillus

Release status: experimental

Description The portable self replicating mini printer
License GPLv3
Author Sublime
Based-on Sui Generis
Categories RepRap machines
CAD Model(s) none
External Link Geometric Object Deposition Tool Blog


Contents

Tantillus

Introducing Tantillus. The portable self replicating mini printer.

Status

May 16, 2012


Mar 28, 2012

  • Beta 0.1 printed in ABS was unsuccessful due to ABS warping. A special version was designed with openings to relieve stress but it too was prone to warping and cracking in ABS.
    • All parts are successful in PLA and have passed many hours of printing.
  • Alpha 1.0 of laser cut version complete.
    • Multiple copies of Laser cut Beta 0.1 being assembled for testing.
  • Public release estimated for End of April


Feb 27, 2012

Feb 9, 2012

  • Alpha unit assembled and ready for testing.

Design goals

   √  Portable.
   √  Commonly available parts and materials.
   √  Self replicating.
   √  Compact.
   √  Autonomous printing.
   √  Printable frame. (Printable version only)
   ≈  Custom interface shield. (Currently hardwired)
   ≈  Larger version of laser cut model. (Tantillus Plus)
   ≈  Belt upgrades. (For those of you who just have to have belts)
   ∅  High speed copper hotend.
   ∅  Expandable. (Printable frame only)
   ∅  Daisy chainable. (Two machines running off the same electronics)
   ∅  Dual extrusion for expanded frame and Tantillus Plus.
         √ Complete | ≈ Current Development | ∅ Future Development


Specifications

Outer dimensions: Printed version

  • 225mm x 225mm x 300mm

Laser cut version

  • 240mm x 240mm x 300mm

Build Area:

  • 100mm x 100mm x 100mm


Features

  • Fully printed case. (retail version uses laser cut case)
  • It can print all of its own parts.
  • Designed to use J-head hotend.
  • Internally mounted extruder with bowden cable.
  • External power supply to allow for battery operated use.
  • Uses an interesting drive train: low cost wire rope (fishing wire) or High test Braided fishing line instead of costly belts (It wraps 5 times around the rod and then goes through a hole and wraps an additional 5 times resulting in no slip). This is a roll on roll off system with a fixed anchor in the middle.
    Tantillus Alpha

Printed parts

   (All versions)
       1   -   Carriage top
       1   -   Carriage bottom
       1   -   Bowden clamp
       2   -   XY end (left)
       2   -   XY end (right)
       1   -   Z upper bracket
       1   -   Z lower bracket
       1   -   Z motor mount
       1   -   Z lift bracket
       1   -   Z coupler (set)
       1   -   Z arm (left)
       1   -   Z arm (right)
       1   -   Extruder body
       1   -   Extruder motor mount
       1   -   Extruder idler
       1   -   Extruder large gear
       1   -   Extruder small gear
       2   -   Axis drive gears
       2   -   Motor gears
       2   -   Fan mounts
       1   -   Encoder knob
   (Additional for Laser cut version)
       1   -   Top 1 corner connector
       1   -   Top 2 corner connector
       1   -   Top 3 corner connector
       1   -   Top 4 corner connector
       4   -   Bottom corner connectors
   (Additional for Printed version)
       1   -   Case top 1
       1   -   Case top 2
       1   -   Case top 3
       1   -   Case top 4
       1   -   Case middle 1
       1   -   Case middle 2
       1   -   Case middle 3
       1   -   Case middle 4
       1   -   Case bottom 1
       1   -   Case bottom 2
       1   -   Case bottom 3
       1   -   Case bottom 4
       1   -   Top front connector
       2   -   Top side connectors
       1   -   Rear lower connector
       1   -   Rear upper connector
       3   -   Middle connectors
       3   -   Base connectors
       1   -   Motor mount reinforcement
       4   -   Upper stiffeners


Vitamins

Bolts / Nuts

   (All versions)
       16   -   10-32  x  3/4" Socket head cap screws
       12     -   8-32  x  1" Socket head cap screws
       5     -   8-32  x  3/4" Socket head cap screws
       4     -   8-32  x  5/8" Socket head cap screws
       8     -   8-32  x  3/8" grub screws
       1     -   6-32  x  2-1/8"" Socket head cap screws
       5     -   6-32  x  1-3/4" Socket head cap screws
       10     -   4-40  x  3/4" Socket head cap screws
       2     -   4-40  x  1/4" grub screws
       16   -   10-32 Hex nuts
       33   -   8-32 Hex nuts
       8     -   6-32 Hex nuts
       16   -   4-40 Hex nuts
       4     -   1/4" Hex nuts
       4     -   5/16" Hex nuts
       38   -   8-32 Flat washers
       3     -   1/4" Flat washers
       15   -   M3  x  10mm Socket head cap screws
       19   -   M3 Flat washers
   (Additional for Printed version)
       10   -   #10-32  x  3/4" Socket head cap screws
       22   -   #10-32  x  1/4" Socket head cap screws
       32   -   #10-32 Hex nuts

Bearings

   (All versions)
       11   -   608 skate bearings
       6     -   LM8uu linear motion bearings (24mm long)
       2     -   LM8suu linear motion bearings (17mm long)
       4     -   Printable LM8uu bushings (24mm long)

Rods

   (Laser cut version)
       2   -   8mm  x  230mm Drill rods
       2   -   8mm  x  170mm Drill rods
       2   -   5/16"  x  235mm Drill rods
       2   -   5/16"  x  210mm Drill rods
       1   -   5/16"  x  22mm Drill rod
       1   -   1/4"  x  175mm Threaded rod
   (Printed version)
       2   -   8mm  x  230mm Drill rods
       2   -   8mm  x  175mm Drill rods
       2   -   5/16"  x  220mm Drill rods
       2   -   5/16"  x  197mm Drill rods
       1   -   5/16"  x  22mm Drill rod
       1   -   1/4"  x  180mm Threaded rod

Miscellaneous

   (All versions)
       1   -   6.5mm i.d.  x  20mm Spring
       4   -   4mm i.d.  x  20mm Springs
       1   -   5/16  x  4" Hobbed bolt
       800mm -   6mm o.d.  x  3mm i.d. PTFE tubing
       8m  -   65lb test braided fishing line (or stainless leader)
       18   -   150mm  x  4mm Zip ties (6")
       50mm  -   6mm silicone tubing  x  (aquarium tubing)

Electronics

Recommended electronics

       4   -   Nema 17 stepper motors (max length of 40mm recommended)
       4   -   Stepstick or pololu stepper drivers
       1   -   RAMPS shield
       1   -   Arduino mega 2560
       1   -   16 x 2 LCD panel (optional)
       1   -   20 position encoder (optional)
       1   -   J-head Mk-IV-B
       1   -   90 watt power supply (15v @ 5/6A)
       1   -   SD card break out board or SDramps (optional)
       1   -   Female barrel connector for power supply connection (optional)
       2   -   50mm or 40mm fans


External Links

  • Added to RepRap family tree (tentatively)
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