May.21, 2013

A year ago Terence Tam launched his project OpenBeam - An open source miniature construction system that is based around the metric system and 3mm building blocks to keep the cost of the system low. He designed it to use standard M3 nuts and bolts which could be available at any good hardware store. This smart concept got him fully funded on Kickstarter.

One of application of his project was the construction of 3D Printers. These components are designed to be as modular and reusable as possible. In collabration with Johann Rocholl, the creator of the Rostock and Kossel 3D printer, Tam's team launches the next generation deltabot - Kossel's bigger variant Kossel Pro on Kickstarter. all parts were injection molded for ease of assembly and cost reduction. These parts are designed for maximum interchangeability between the Kossel and the Kossel Pro, that means parts such as the extruder body, the end effector, the ball joints, and the carriages could be reusable between the two machines.

The team plans also to use a commercial linear ball recirculating rail and designs a fully ball bearing arm joints for the system. Such features would allow users to make future expansion based on their current work, such as making larger printers, more aggressive printing speeds, multiple extruders, etc.

Specifications:

  • Build Area: Cylindrical Build Area of 250mm Diameter x 250mm Height
  • Linear Actuator resolution: 0.2mm / full step, 1/32" Microstepping
  • Extruder: OpenBeam designed Dual Use extruder body. Includes parts for both standard NEMA17 stepper mount and geared pancake motor. Extruder can be configured for both direct drive and bowden drive.
  • Hot End: Testing so far had been done with genuine J-Heads from Brian Refsnyder; if stretch goal is reached, we will be testing our own full stainless steel hot end design.
  • Swing arms: Carbon Fiber swing arms with OpenBeam designed full ball bearing ball joints.
  • Linear Bearings: 12mm Recirculating ball linear slides.
  • Electronics: Metrix Brainwave
  • Heated Bed: Optional
  • 1.75mm filament
  • Speed: 50mm/sec parameters and 100mm/sec infill

Pledge $1,000 will get you a Kossel Pro full kit with heated bed - Check out the details here on Kickstarter.

 

Posted in 3D Printers

 

 

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CornGolem wrote at 5/21/2013 8:34:54 PM:

That openbeam thing is a good idea, no more wooden printers !



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