94 lines
6.5 KiB
Markdown
Executable File
94 lines
6.5 KiB
Markdown
Executable File
Tabletop computer terms - move over means to use the touch pad to move
|
|
the arrow on the display to the described position click on means to
|
|
move the arrow to the described position & then press either click
|
|
button type means to type what is described type: means to type the
|
|
characters that follow the space after : enter means to type what is
|
|
described (if anything) & then press the Enter key (at right) enter:
|
|
means to type the characters that follow the space after : & then press
|
|
Enter insLaserK40 Instructions for the K40 laser cutter (cheap Chinese
|
|
laser cutter) - Nov. 1, 2019 1. Make sure the laser cutter POWER switch
|
|
(top panel) is in the OFF position (bottom side down) 2. Make sure the
|
|
SAFETIES switch on the laser cutter is in the ON position 3. Make sure
|
|
the float switch with 2 ping-pong balls in it is in the bucket in the
|
|
cabinet under the laser cutter 4. Make sure the pump is in the bucket 5.
|
|
Make sure the end of the 2nd plastic tube (drain line from laser tube)
|
|
is in the bucket 6. If water in the bucket does not push the ping-pong
|
|
balls up so they close the switch at the top of the float switch add
|
|
water until they do (note that the switch is finicky & it may later be
|
|
necessary to jiggle the ping-pong balls to get the switch to close) 7.
|
|
Make sure the pump is plugged into the power strip at the top right in
|
|
the cabinet 8. Make sure the exhaust fan is plugged into the power strip
|
|
9. Make sure the computer is plugged into the power strip 10. Make sure
|
|
the power cord for the laser cutter (coming down into the right rear of
|
|
the cabinet) is plugged into the power strip 11. Make sure the other end
|
|
of the power cord is plugged into the back (right side) of the laser
|
|
cutter 12. Plug (an extension cord is needed) the white power cord
|
|
coming out of the top of the cabinet under the laser cutter into the
|
|
long power strip to right of the KILL SWITCH ULTIMAKER WORKBENCH LASER
|
|
CUTTER sign 13. Switch on the power strip to right of the KILL SWITCH
|
|
sign 14. Switch on the power strip in the cabinet under the laser cutter
|
|
15. Make sure the exhaust fan is running 16. Lift the 2nd plastic tube
|
|
slightly out of the bucket, make sure water is flowing out of it, &
|
|
replace it 17. Place the material to be cut in the laser cutter 18.
|
|
Switch the laser cutter POWER switch ON 19. For manual operation set the
|
|
CONTROL switch to MANUAL 20. Turn the LASER CURRENT knob all the way
|
|
counterclockwise (off) 21. Push the LASER switch to the FIRE position
|
|
(it will only fire as long as it is held there) 22. Turn the LASER
|
|
CURRENT knob clockwise until the LASER CURRENT meter reaches the correct
|
|
level (maximum is about 15mA) 23. When finished turn the LASER CURRENT
|
|
knob all the way counterclockwise 24. Turn the POWER switch OFF 25. Turn
|
|
off the power strip under the laser cutter 26. Unplug the extension cord
|
|
from the power strip to right of the KILL SWITCH sign insLaserK40maint
|
|
To adjust the stationary mirrors - Oct. 8, 2019 1. If moving part of the
|
|
mirror forward loosen the nuts on the bolts on the back of the mount 2.
|
|
Loosen the bolt on the side of the mount that part of the mirror is to
|
|
be moved towards 3. Turn the bolt on the opposite side clockwise to move
|
|
part of the mirror in the desired direction 4. Repeat steps 1-3 if
|
|
needed 5. Tighten the bolts on the side the mirror was moved towards 6.
|
|
Tighten the other bolts 7. Tighten the nuts on the bolts on the back To
|
|
control the Smoothieboard directly from a tabletop computer using
|
|
minicom (minicom should already be installed; if after step 7 the
|
|
display states bash: minicom: command not found see
|
|
wiki.hacdc.org/index.php/Documentation-Tabletop_computers for
|
|
instructions) - Dec. 26, 2019 1. Unplug the laser cutter computer USB
|
|
cable from the back of the Smoothieboard 2. Connect another USB cable
|
|
from the tabletop computer to the connector in the back of the
|
|
Smoothieboard 3. Turn on the computer & log in (see
|
|
Documentation-Tabletop_computers for detailed instructions) 4. Click on
|
|
Applications at top left 5. Move over System Tools 6. Click on MATE
|
|
Terminal in window that just appeared 7. Enter: minicom 8. To show
|
|
instructions for controlling the Smoothieboard enter: help 9. When
|
|
finished disconnect the tabletop computer USB cable from the
|
|
Smoothieboard 10. Reconnect the USB cable from the laser cutter computer
|
|
to the Smoothieboard To control the Smoothieboard directly from a
|
|
tabletop computer using screen - Dec. 26, 2019 1. Unplug the laser
|
|
cutter computer USB cable from the back of the Smoothieboard 2. Connect
|
|
another USB cable from the tabletop computer to the connector in the
|
|
back of the Smoothieboard 3. Turn on the computer & log in (see
|
|
Documentation-Tabletop_computer for detailed instructions) 4. Click on
|
|
Applications at top left 5. Move over System Tools 6. Click on MATE
|
|
Terminal in window that just appeared 7. Enter: screen /dev/ttyACM0 8.
|
|
If the display does not state bash: screen: command not found then skip
|
|
steps 9-12 9. Enter: sudo apt install screen 10. If the display shows
|
|
\[sudo\] password for hacdc: then enter standard password 11. If the
|
|
display asks Do you want to continue? \[Y/n\]: then enter: y 12. Enter:
|
|
screen /dev/ttyACM0 13. For instructions type Ctrl a? (hold down Ctrl &
|
|
press a, then release both before typing ? (note that characters entered
|
|
after Ctrl a will not appear on the display)) 14. To show instructions
|
|
for controlling the Smoothieboard enter: help 15. When finished
|
|
disconnect the Smoothieboard from the tabletop computer USB cable 16.
|
|
Reconnect the USB cable from the laser cutter computer to the
|
|
Smoothieboard insLaserK40spec Specifications - K40 power supply - Oct.
|
|
8, 2019 The power supply for the K40 (cheap Chinese laser cutter) is a
|
|
"4-6-4" type with a 6-terminal connector in the center with a 4-terminal
|
|
connector on both sides. L1=G - ground (typically connected to negative
|
|
terminal of laser tube, in this case thru a current meter (laser current
|
|
on front panel)) L2=G L3=AC - one side of 120VAC power L4=AC - other
|
|
side of 120VAC power C1=G C2=P - enable - ground to allow laser to fire
|
|
C3=L - laser - ground to fire laser C4=G C5=IN - intensity - analog
|
|
laser power control (i.e., in manual mode) C6=5V R1=24V R2=G R3=5V
|
|
R4=L - laser - ground to fire laser Note that C3 & R4 are connected on
|
|
the power supply PC board as are C6 & R3. The laser power can be
|
|
controlled using L by PWM. Note: Diode D15 has been disconnected because
|
|
it was leaky; it was only used for an on-board TEST button which is
|
|
never used so there is no particular reason to replace it. |