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Motion

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.

  • X positioning: 2x6mm rods, 4x6mm brass bushings, 1x10mm roller, 2x4mm ball bearings, 1 stepper with belt, 1 gear, 1 ball bearing
  • Roller:: 1x4mm steel axle, 1x10mm roller, 2 ball bearings, 1 stepper with short belt, 2 gears

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

  • Y positioning: 2x8mm rods, 4x8mm bushings, 1 stepper, 4 gears, 4 ball bearings, 1 shot belt, 2 long belts

The postons rea positioned with screws.

  • Z positioning 2 steppers with screws and nuts, assembly is sliding

Hoper height: 380mm, Y height: 388mm, Y rod 8mm over powder, Y axis 17.5mm under powder


Q2347A Ribbon Cable Pinout

Pin Alt Function
1 16 COM, +22V, also pin 14
2 15 Noz 5
3 14 Noz 6
4 13 Noz 7
5 12 Noz 4
6 11 Noz 3
7 10 Noz 2
8 9 Noz 1
9 8 Noz 12
10 7 Noz 11
11 6 Noz 8
12 5 Noz 9
13 4 Noz 10
14 3 COM, +22V, also pin 1
15 2 bridge to 16
16 1 bridge to 15 *1

*1: this can be used to check if the ribbon cable is inserted