|Archive: Servo «3D Print» BFB Touch|
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The X axis moves the Ink Cartridget left an right. The cartridge is clicked into a mountig barcket, which in turn is bolted to the X Carriage.
The X Carriage runs on two 6mm steel rods using 6mm brass bushings. The rods are mounted horizontally 32mm apart, 41mm above the powder. It is positioned by a stepper motor on the left side of the Bridge. Parallel to the X axles runs the powder roller. The lower edge of the roller is the surface of the powder. The center is 36mm below the X rod in the middle between rods. The roller is 10mm in diameter, but runs in two 4mm ball bearings. The stepper is located on the right of the Bridge.
The Bridge positions the head in the Y direction (back to front). It runs on two 8MM rod in four 8mm bushings. A stepper drives a 4mm axle which then moves two belts. The rods are 270mm apart and 8mm above the powder. The X rods are 33mm above the Y rods
The postons rea positioned with screws.
Hoper height: 380mm, Y height: 388mm, Y rod 8mm over powder, Y axis 17.5mm under powder
Q2347A Ribbon Cable Pinout
*1: this can be used to check if the ribbon cable is inserted
(c) 2012-15 Matthias Melcher