Documentation-Laser cutter-K40 - Revision history

Gippgig: improved computer instructions

2019-12-26T21:59:12Z

improved computer instructions

← Older revision		Revision as of 21:59, 26 December 2019
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	<nowiki>		<nowiki>
	insLaserK40~~.txt - Nov. 1, 2019~~		Tabletop computer terms - move over means to use the touch pad to move the arrow on the display to the described position
	Instructions for the K40 laser cutter (cheap Chinese laser cutter):		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)		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		2. Make sure the SAFETIES switch on the laser cutter is in the ON position
Line 39:		Line 46:
	7. Tighten the nuts on the bolts on the back		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 the ~~computer~~ states bash: minicom: command not found see wiki.hacdc.org/index.php/Documentation-Tabletop_computers for instructions) - Dec. 23, 2019		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		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		2. Connect another USB cable from the tabletop computer to the connector in the back of the Smoothieboard
	3. Turn on the computer & ~~wait~~ for ~~it to start up~~		3. Turn on the computer & log in (see Documentation-Tabletop_computers for detailed instructions)
	4~~. Login: hacdc~~		4. Click on Applications at top left
	~~5. At password: enter standard password~~		5. Move over System Tools
	6. Click on Applications at top left		6. Click on MATE Terminal in window that just appeared
	7. Move ~~cursor down to~~ System Tools		7. Enter: minicom
	8. Click on MATE Terminal in window that just appeared		8. To show instructions for controlling the Smoothieboard enter: help
	9. minicom ~~(this has instructions)~~		9. When finished disconnect the tabletop computer USB cable from the Smoothieboard
	10. ~~help (this displays~~ instructions for controlling the Smoothieboard)		10. Reconnect the USB cable from the laser cutter computer to the Smoothieboard
	11. When finished disconnect the tabletop computer USB cable from the Smoothieboard
	12. Reconnect the USB cable from the laser cutter computer to the Smoothieboard

	To control the Smoothieboard directly from a tabletop computer using screen - Dec. 12, 2019		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		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		2. Connect another USB cable from the tabletop computer to the connector in the back of the Smoothieboard
	3. Turn on the computer & ~~wait~~ for ~~it to start up~~		3. Turn on the computer & log in (see Documentation-Tabletop_computer for detailed instructions)
	4~~. Login: hacdc~~		4. Click on Applications at top left
	~~5. At Password: enter standard password~~		5. Move over System Tools
	6. Click on Applications at top left		6. Click on MATE Terminal in window that just appeared
	7. Move ~~cursor down to~~ System Tools		7. Enter: screen /dev/ttyACM0
	8. Click on MATE Terminal in window that just appeared		8. If the display does not state bash: screen: command not found then skip steps 9-12
	9. If the ~~computer already has the program named~~ screen ~~loaded~~ skip steps 10-11		9. Enter: sudo apt install screen
	10. sudo apt install screen		10. If the display shows [sudo] password for hacdc: then enter standard password
	11. At [sudo] password for hacdc: enter standard password		11. If the display asks Do you want to continue? [Y/n]: then enter: y
	12. screen /dev/ttyACM0		12. Enter: screen /dev/ttyACM0
	13. 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) ~~- this gives instructions for using screen~~)		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. ~~help (this displays~~ instructions for controlling the Smoothieboard)		14. To show instructions for controlling the Smoothieboard enter: help
	15. When finished disconnect the Smoothieboard from the tabletop computer USB cable		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		16. Reconnect the USB cable from the laser cutter computer to the Smoothieboard


			insLaserK40spec
	Specifications - K40 power supply - Oct. 8, 2019		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.		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.
Line 88:		Line 95:
	R4=L - laser - ground to fire laser		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 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.		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.
	</nowiki>		</nowiki>

Gippgig: updated controlling Smoothieboard using minicom

2019-12-23T23:08:36Z

updated controlling Smoothieboard using minicom

@@ Line 39: / Line 39: @@
 . Tighten the nuts on the bolts on the back
-To control the Smoothieboard directly from a tabletop computer using minicom - Dec. 12, 2019
+To control the Smoothieboard directly from a tabletop computer using minicom (minicom should already be installed; if the computer states bash: minicom: command not found see wiki.hacdc.org/index.php/Documentation-Tabletop_computers for instructions) - Dec. 23, 2019
 . Unplug the laser cutter computer USB cable from the back of the Smoothieboard
 . Connect another USB cable from the tabletop computer to the connector in the back of the Smoothieboard
@@ Line 48: / Line 48: @@
 . Move cursor down to System Tools
 . Click on MATE Terminal in window that just appeared
-. If the computer already has the program minicom loaded skip steps 10-33
+. minicom (this has instructions)
-. sudo apt install minicom
+. help (this displays instructions for controlling the Smoothieboard)
-. At [sudo] password for hacdc: enter standard password
+. When finished disconnect the tabletop computer USB cable from the Smoothieboard
-. If the display asks Do you want to continue? [Y/n]: y
+. Reconnect the USB cable from the laser cutter computer to the Smoothieboard
 To control the Smoothieboard directly from a tabletop computer using screen - Dec. 12, 2019

Gippgig: rearranged

2019-12-13T04:21:18Z

rearranged

@@ Line 38: / Line 38: @@
 . Tighten the other bolts
 . Tighten the nuts on the bolts on the back
 To control the Smoothieboard directly from a tabletop computer using minicom - Dec. 12, 2019
@@ Line 95: / Line 77: @@
 . When finished disconnect the tabletop computer USB cable from the Smoothieboard
 . Reconnect the USB cable from the laser cutter computer to the Smoothieboard
 Specifications - K40 power supply - Oct. 8, 2019

Gippgig: instructions for directly controlling Smoothieboard from tabletop computer

2019-12-13T04:15:55Z

instructions for directly controlling Smoothieboard from tabletop computer

← Older revision		Revision as of 04:15, 13 December 2019
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	To control the Smoothieboard directly from a tabletop computer using screen - Dec. 12, 2019		To control the Smoothieboard directly from a tabletop computer using screen - Dec. 12, 2019
	1. Unplug the laser cutter computer USB cable from the back of the Smoothieboard		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 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~~ on to ~~hacdc~~		3. Turn on the computer & wait for it to start up
	4. If the computer already has the program named screen loaded skip steps 5-6		4. Login: hacdc
	5. sudo apt install screen		5. At Password: enter standard password
	6. At [sudo] password for hacdc: enter standard password		6. Click on Applications at top left
	7. screen /dev/ttyACM0		7. Move cursor down to System Tools
	8. 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) - this gives instructions for using screen)		8. Click on MATE Terminal in window that just appeared
	9. help (this displays instructions for controlling the Smoothieboard)		9. If the computer already has the program named screen loaded skip steps 10-11
	10. When finished disconnect the Smoothieboard from the tabletop computer USB cable		10. sudo apt install screen
	11. Reconnect the USB cable from the laser cutter computer to the Smoothieboard		11. At [sudo] password for hacdc: enter standard password
			12. screen /dev/ttyACM0
			13. 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) - this gives instructions for using screen)
			14. help (this displays instructions for controlling the Smoothieboard)
			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

	~~*WARNING: TEMPORARY UNFINISHED*~~To control the Smoothieboard directly from a tabletop computer using minicom - Dec. 12, 2019		To control the Smoothieboard directly from a tabletop computer using minicom - Dec. 12, 2019
	1. Unplug the laser cutter computer USB cable from the back of the Smoothieboard		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 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~~ on to ~~hacdc~~		3. Turn on the computer & wait for it to start up
	4. If the computer already has the program minicom loaded skip steps 5-26		4. Login: hacdc
	5. sudo apt install minicom		5. At password: enter standard password
	6. At [sudo] password for hacdc: enter standard password		6. Click on Applications at top left
	7. If the display asks Do you want to continue? [Y/n]: ~~Enter~~		7. Move cursor down to System Tools
	8. sudo minicom -s		8. Click on MATE Terminal in window that just appeared
	9. Press down arrow twice to move highlighted line down to: Serial port setup		9. If the computer already has the program minicom loaded skip steps 10-33
	10. Enter		10. sudo apt install minicom
	12. Change which setting? a		11. At [sudo] password for hacdc: enter standard password
	13. ~~Change~~ /dev/modem to /dev/ttyACM0		12. If the display asks Do you want to continue? [Y/n]: y
	14. Enter		13. sudo minicom -s
	15. Enter		14. Press down arrow twice to move highlighted line down to: Serial port setup
	16. Press down arrow twice to move highlighted line down to: Screen and keyboard		15. Enter (for steps 16-27 do not press Enter unless stated)
	17. Enter		16. Change which setting? a
	18. Change which setting? (Esc to exit) q		17. Use the Backspace key to change /dev/modem to /dev/ttyACM0
	19. Change which setting? (Esc to exit) t		18. Enter
	~~20. Enter~~		19. Enter
	~~21. Press down arrow to move highlighted line to: Save setup as dfl~~		20. Press down arrow twice to move highlighted line down to: Screen and keyboard
	~~22. Enter (Configuration saved should appear)~~		21. Enter
	~~23. Press down arrow 3 times to move highlighted line to: Exit from Minicom~~		22. Change which setting? (Esc to exit) q
			23. Change which setting? (Esc to exit) t
	24. Enter		24. Enter
	24. sudo usermod -G dialout hacdc		25. Press down arrow to move highlighted line to: Save setup as dfl
	25. ~~log out~~		26. Enter (Configuration saved should appear)
	26. ~~log back in~~		27. Press down arrow 3 times to move highlighted line to: Exit from Minicom
	27. minicom		28. Enter
			29. sudo usermod -G dialout hacdc
			30. Click on System at top towards left
			31. Click on Log Out hacdc...
			32. Click on Log Out at lower right of new window
			33. Repeat steps 4-8
			34. minicom (this has instructions)
			35. help (this displays instructions for controlling the Smoothieboard)
			36. When finished disconnect the tabletop computer USB cable from the Smoothieboard
			37. Reconnect the USB cable from the laser cutter computer to the Smoothieboard

	Specifications - K40 power supply - Oct. 8, 2019		Specifications - K40 power supply - Oct. 8, 2019

Gippgig: temporary minicom

2019-12-13T03:22:20Z

temporary minicom

@@ Line 41: / Line 41: @@
 To control the Smoothieboard directly from a tabletop computer using screen - Dec. 12, 2019
 . Unplug the laser cutter computer USB cable from the back of the Smoothieboard
-. Connect a USB cable from the tabletop computer to the connector in back of the Smoothieboard
+. Connect another USB cable from the tabletop computer to the connector in back of the Smoothieboard
 . Turn on the computer & log on to hacdc
 . If the computer already has the program named screen loaded skip steps 5-6
@@ Line 47: / Line 47: @@
 . At [sudo] password for hacdc: enter standard password
 . screen /dev/ttyACM0
-. Ctrl a? (hold down Ctrl & press a, then release both before typing ? (note that characters entered after Ctrl a will not appear on ) - this gives instructions for using screen)
+. 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) - this gives instructions for using screen)
 . help (this displays instructions for controlling the Smoothieboard)
 . When finished disconnect the Smoothieboard from the tabletop computer USB cable
 . Reconnect the USB cable from the laser cutter computer to the Smoothieboard
 Specifications - K40 power supply - Oct. 8, 2019

Gippgig: control Smoothieboard with screen

2019-12-13T02:35:09Z

control Smoothieboard with screen

← Older revision		Revision as of 02:35, 13 December 2019
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	26. Unplug the extension cord from the power strip to right of the KILL SWITCH sign		26. Unplug the extension cord from the power strip to right of the KILL SWITCH sign

	insLaserK40maint - Oct. 8, 2019		insLaserK40maint
	~~To adjust the stationary mirrors:~~		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		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		2. Loosen the bolt on the side of the mount that part of the mirror is to be moved towards
Line 38:		Line 38:
	6. Tighten the other bolts		6. Tighten the other bolts
	7. Tighten the nuts on the bolts on the back		7. Tighten the nuts on the bolts on the back

			To control the Smoothieboard directly from a tabletop computer using screen - Dec. 12, 2019
			1. Unplug the laser cutter computer USB cable from the back of the Smoothieboard
			2. Connect a USB cable from the tabletop computer to the connector in back of the Smoothieboard
			3. Turn on the computer & log on to hacdc
			4. If the computer already has the program named screen loaded skip steps 5-6
			5. sudo apt install screen
			6. At [sudo] password for hacdc: enter standard password
			7. screen /dev/ttyACM0
			8. Ctrl a? (hold down Ctrl & press a, then release both before typing ? (note that characters entered after Ctrl a will not appear on ) - this gives instructions for using screen)
			9. help (this displays instructions for controlling the Smoothieboard)
			10. When finished disconnect the Smoothieboard from the tabletop computer USB cable
			11. Reconnect the USB cable from the laser cutter computer to the Smoothieboard

	Specifications - K40 power supply - Oct. 8, 2019		Specifications - K40 power supply - Oct. 8, 2019

Gippgig: update

2019-11-01T04:30:48Z

update

← Older revision		Revision as of 04:30, 1 November 2019
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	<nowiki>		<nowiki>
	insLaserK40.txt - ~~Oct~~. 8, 2019		insLaserK40.txt - Nov. 1, 2019
	Instructions for the K40 laser cutter (cheap Chinese laser cutter):		Instructions for the K40 laser cutter (cheap Chinese laser cutter):
	1. Make sure the laser cutter POWER switch (top panel) is in the OFF position (bottom side down)		1. Make sure the laser cutter POWER switch (top panel) is in the OFF position (bottom side down)
	2. Make sure the float switch with 2 ping-pong balls in it is in the bucket in the cabinet under the laser cutter		2. Make sure the SAFETIES switch on the laser cutter is in the ON position
	3. Make sure the pump is in the bucket		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 end of the 2nd plastic tube (drain line from laser tube) is in the bucket		4. Make sure the pump is in the bucket
	5. 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		5. Make sure the end of the 2nd plastic tube (drain line from laser tube) is in the bucket
	6. Make sure the pump is plugged into the power strip at the top right in the cabinet		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 power cord for the laser cutter (coming down into the right rear of the cabinet) is plugged into the power strip		7. Make sure the pump is plugged into the power strip at the top right in the cabinet
	8. Make sure the ~~power strip is switched on~~		8. Make sure the exhaust fan is plugged into the power strip
	~~9. Plug~~ the power cord into the back (right side) of the laser cutter		9. Make sure the computer is plugged into the power strip
	10. Plug in (an extension cord ~~will probably be~~ needed) the white power cord coming out of the top of the cabinet under the laser cutter		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. Lift the 2nd plastic tube slightly out of the bucket, make sure water is flowing out of it, & replace it		11. Make sure the other end of the power cord is plugged into the back (right side) of the laser cutter
	~~12. Make sure the SAFETIES switch is in the ON position~~		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. Place the material to be cut in the laser cutter		13. Switch on the power strip to right of the KILL SWITCH sign
	14. Switch the laser cutter POWER switch ON		14. Switch on the power strip in the cabinet under the laser cutter
	15. For manual operation set the CONTROL switch to MANUAL		15. Make sure the exhaust fan is running
	16. Turn the LASER CURRENT knob all the way counterclockwise (off)		16. Lift the 2nd plastic tube slightly out of the bucket, make sure water is flowing out of it, & replace it
	17. Push the LASER switch to the FIRE position (it will only fire as long as it is held there)		17. Place the material to be cut in the laser cutter
	18. Turn the LASER CURRENT knob clockwise until the LASER CURRENT meter reaches the correct level (maximum is about 15mA)		18. Switch the laser cutter POWER switch ON
	19. When finished turn the LASER CURRENT knob all the way counterclockwise		19. For manual operation set the CONTROL switch to MANUAL
	20. Turn the POWER switch OFF		20. Turn the LASER CURRENT knob all the way counterclockwise (off)
	21. ~~Unplug~~ the power ~~cord from the back of~~ the laser cutter		21. Push the LASER switch to the FIRE position (it will only fire as long as it is held there)
	22. Unplug the ~~white~~ cord ~~coming out of~~ the ~~top~~ of the ~~cabinet~~		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 - Oct. 8, 2019		insLaserK40maint - Oct. 8, 2019

Gippgig: adjusting stationary mirrors

2019-10-09T03:58:57Z

adjusting stationary mirrors

@@ Line 24: / Line 24: @@
 . Unplug the power cord from the back of the laser cutter
 . Unplug the white cord coming out of the top of the cabinet
 Specifications - K40 power supply - Oct. 8, 2019

Gippgig: fixed typo

2019-10-08T05:49:29Z

fixed typo

← Older revision		Revision as of 05:49, 8 October 2019
Line 13:		Line 13:
	10. Plug in (an extension cord will probably be needed) the white power cord coming out of the top of the cabinet under the laser cutter		10. Plug in (an extension cord will probably be needed) the white power cord coming out of the top of the cabinet under the laser cutter
	11. Lift the 2nd plastic tube slightly out of the bucket, make sure water is flowing out of it, & replace it		11. Lift the 2nd plastic tube slightly out of the bucket, make sure water is flowing out of it, & replace it
	12. Make sure the ~~SAFTIES~~ switch is in the ON position		12. Make sure the SAFETIES switch is in the ON position
	13. Place the material to be cut in the laser cutter		13. Place the material to be cut in the laser cutter
	14. Switch the laser cutter POWER switch ON		14. Switch the laser cutter POWER switch ON

Gippgig: added instructions

2019-10-08T05:39:30Z

added instructions

@@ Line 1: / Line 1: @@
 <nowiki>
 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))