assembled bed with linear ball bearings.
created caps for struts.
3
3
2013-01-23
assembled the slider-parts
cut struts for xy-axis
2.5
2.5
2013-01-24
drilled holes into pulleys for xy-axis on lathe
the 8mm drill crashed the pulleys! We need to change to a bigger pulley >16 tooth
shaped z-coupler (stepper to trapezoid spindle)
0.5
0.5
2013-01-27
drilled all pulleys to 8mm (crashed all pulleys)
1
1
2013-01-28
shaped/glued aluminum tubes to extend the small 16 tooth pulleys
created nozzle on lathe
3.5
3.5
13x13x25mm alu (2024 or 7075, harder than 6061) for nozzle (http://reprap.org/wiki/J_Head_Nozzle)
2013-01-29
assembled the sliding parts, incl. pulleys
ordered black pla and abs filament 1.75mm, kapton tape
ordered gears, hobbed bolt, 4x pololu
1
1.5
2.5
2013-01-30
finished nozzle without drilling .3mm tip hole
created base-socket incl. psu from old PC
1
1
2013-01-31
ordered last two pololu from ebay
began with base-socket (electronic housing)
.5
1
1.5
2013-02-01
worked on base-socket adjusted vans
ordered teflon wheel
ordered teflon bowden tube (di=2, da=3, l=100cm)
1
4.5
.25
5.75
2013-02-02
finished base-socket
1
1
2013-02-03
created/glued stepper hinges
1
1
2013-02-05
assembled stepper mounting plates
2
2
2013-02-11
create ptfe (teflon) thermal isolator on lathe
.75
.25
1
2013-02-20
created filament loader mounting base
create coldend stepper
2
2
2013-02-22
created printing head
5
5
2013-03-05
creating the mainboard schematic, based on Gen7
2
2
2013-03-08
routing the board
2
2
2013-03-09
routing the board
3
3
2013-03-11
nearly finished routing the board
3
3
2013-03-13
finished routing
2
2
2013-03-14
etched the board...
1
1
2013-04-03
soldered the gen8 board
4
4
2013-04-10
ordered 5w resistor, some electronics
1
1
2013-04-16
assembled electronics
designed the endstops
initial firmware program
1
3
4
2013-05-03
found error on fuse-programming atmega1284p
external clock != crystal oscillator
6
6
2013-05-04
repaired the psu
cut whole on base plate for the electronic
soldered wires to all stepper engines
drilled the nozzle
created the nozzle holder with heat sink wings
assembled heating resistor, temperatur sensor, small cooling fan
2
11
13
2013-05-06
pc-psu have some troubles with unbalanced loads...
soldered first pololu into gen8-pcb, checked z-axis
2
1
3
2013-05-08
checked the software
1
1
2013-05-09
assembled lightweight cooling equipment for nozzle-cold-end
created clamp for holding the bowden tube on printing head
1
2
3
2013-05-10
tested stepper motor force
mounting two of the three end-stops
4
2
6
2013-05-11
modified psu for unsymetric loads
tested dry-prints with permanent marker
collected and tested software (pronterface/slic3r/ultimaker)
3
2
5
2013-05-13
cleaned up some Makefiles (fuses)
1
1
2013-06-15
tempsensors arrived from farnell, removed old (damaged) one
3
3
2013-06-17
print sliding-parts
testprints looks very bad. backed things...
4
4
2013-06-24
bought another pololu driver for the external extruder with rotary-sensor
.25
0.25
2013-06-25
print looks very well now
3
3
slic3d with config_2013-06-25.ini
2013-06-27
the first resistor burned out. Replaced the resistor with a new sanded one.
burned 2nd heating resistor.
3
3
2013-06-28
replaced by two resistors mounted side by side of the nozzle.
2
2
2013-07-01
bought 10m kanthal wire 0.2mm dia (awg 32) for nozzle-heating and bed-heating
.5
0.5
2013-07-09
bought some syringe needles from pharmacy with different diameters
modified some test-objects for .5mm and .4mm nozzle
2
2
2013-07-20
glued the temp-sensor and heat wire onto the nozzle and soldered plugs
2
2
2013-07-22
created the feedbackextruder software with hardware base of the acl-project.
feedbackextruder measures the filament move on top of the heating element with rotary encoders of a ball mouse sensor.
6
6
2013-07-29
optosensor does not work, tried four different mice
6
6
2013-07-31
checked the feedbackextruder, modified the optoreceiver of a mouse. Problems are with interfering pulses of the steppers.
4
4
2013-08-01
soldered the 2nd extruder stepper controller into gen8-board. some tests with feedbackextruder in straight-mode.
1
1
2013-08-02
designed 3d-model for sensor housing
ordered more pla-filaments in different colors
2
2
2013-08-05
create pcb with schmitt-trigger and optomechanical sensors, pulldowns and connectors
printed some test parts
5
8
13
2013-08-06
resolution is far to bad to work correct
5
5
2013-08-07
create pcb with adns2051 optical sensor and connectors
printed some test parts
5
8
13
2013-08-10
print sliding-parts
3
2
5
2013-08-11
programmed the adns
8
8
2013-08-12
resolution of adns2051 is also to bad to work correct, and feedbackextruder is not fast enough to correct the position.
sometimes the filament stops (also recognized as stopped) but the nozzle oozes.
5
5
2013-08-18
replaced two sliding-parts
4
4
2013-08-19
replaced one sliding part
2
2
2013-10-10
printed sliderFixer for GT2 belts
6
6
2013-10-20
reduced sprint-speed in TeacupFirmware
designed and printed bowden tube holder for moving head for three colors
convert bowden tube and -hinges from 3mm od to 4mm outer diameter
5
5
2013-10-25
created 3 ptfe spacer on lathe
create cu-nozzles from old welding tips
4
4
2013-10-28
designed and printed a filament-spool-holder
1
1
2
2014-01-12
180mm nicr wire for nozzle v4
8
8
2014-04-05
apply heatsink to pololu. ordered from dx
1
1
2014-08-06
create bed heater
5
5
2014-08-07
drill some holes into glass headbed to align height
test some nichrom wires as headed bed.
5.5
5.5
40cm long, 0.32mm dia, 5 pcs. in parallel 5v powered
2014-08-11
printed a new small geardrive
.5
0.5
I confirm that the information on the forms are true.
Page total
amount ...
Builders signature
Total to date
83.5
168.75
3.75
256
2020-07-23 by activate Javascript to show the mail-address!
