Here is Mankati doing the dual extrusion two color printing:
Looks like companies from China are increasing the technology and quality and not only compete in cost reduction. Mankati is produced by Shanghai Vision Technology Co., Ltd. company from China.
Technical specifications:
- Dual extruder for dual color printing
- Patented print head, made of Teflon/PEEK, to eliminate nozzle clogging problem
- Filament feeder made with a gear motor and a metal gear fixture for accuracy
- Monocrystal glass print bed with high thermal transmission rate and high strength. The Heated bed is encased in high-temp rubber
- Printer has enclosed build chamber with PMMA glass walls on three sides for keeping the temperature inside stable, preventing warping and deformation while printing large objects
- Large build envelope: 250*250*300mm
- Precision: X,Y axis 0.01mm, Z axis 0.015mm
- Layer Resolution: 0.04mm-0.4mm
- Nozzle Diameter: 0.4mm
- Speed: Max. Travel Speed: 250mm/sec.; Max. Print Speed: 180mm/sec.; Max. Extrude Speed:100mm/sec
- Printer dimensions: 380*420*530mm
- Weight: 25kg
- One-year warranty
- Controller Arduino ATmega2560 R3Micro Controller
- Mother Board Mankati Stable Main Board V3.x
- Stepper Motor X, Y axis 42*48, 1.3A; Z axis 42*63, 1.5A
- Geared Motor E42*42, Ratio 1:10
- Operating System XP, Vista, Win7, Win8, Mac, Linux/Ubuntu
- File Format STL, OBJ, GCode
- Printing Software and Slicer Cura
- Software Language English, German, French, Dutch, Spanish, Polish
- priced in USD 1,200 ~ 1,500 range based on quantity purchased
http://www.mankati.com/fullscale-xt1.html
