Laser Cutter: Difference between revisions

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This is the documentation of the operation and safety of the CO2 Infrared laser cutter. For hardware and build notes, see [[Laser Cutter Build]].
This is the documentation of the operation and safety of the CO2 Infrared laser cutter. For hardware and build notes, see [[Laser Cutter Build]].
==Theory / General Info==
==Theory / General Info==
===Laser===
A sealed and water cooled laser discharge tube, excited with sufficient electricity, produces a beam of powerful infrared light.  The gas in the discharge tube consists of Carbon dioxide, Nitrogen, Hydrogen and Helium. (more...)
* Good notes on controlling the intensity of the laser with PWM - [http://diylaser.blogspot.com/2011/09/laser-power-settings-via-pwm-can-fool.html Laser Power Settings Via PWM Can Fool You]


===Optics===
==Usage==
===Before You Operate===


===Linear Motion===
===Operating Instructions===
 
* Software
===Electronics===
* Potential arduino shield to use with LasaurGrbl - [https://github.com/stefanix/LasaurShield LasaurShield]
 
===Software===
* Current Setup
** LinuxCNC - [http://www.linuxcnc.org LinuxCNC]
** LinuxCNC - [http://www.linuxcnc.org LinuxCNC]
** LinuxCNC Config Setup - [http://www.linuxcnc.org/docs/html/config/stepconf.html Stepper Config]
** LinuxCNC Config Setup - [http://www.linuxcnc.org/docs/html/config/stepconf.html Stepper Config]
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** [https://github.com/bjj/2x_laser Currently Used Config]
** [https://github.com/bjj/2x_laser Currently Used Config]


*Previously Considered
** Potential controller software based on Grbl- [https://github.com/stefanix/LasaurGrbl LasaurGrbl]
** Software to run on Mac/PC to send G-code to LasaurGrbl - [https://github.com/stefanix/LasaurApp LasaurApp]
===General===
* [http://vancouver.hackspace.ca/doku.php?id=tool:laser_cutter:operation_manual Vancouver Laser Manual]
* [http://vancouver.hackspace.ca/doku.php?id=tool:laser_cutter:operation_manual Vancouver Laser Manual]
* [http://atxhs.org/wiki/Laser_Cutter ATX Hackerspace Laser Manual]
* [http://atxhs.org/wiki/Laser_Cutter ATX Hackerspace Laser Manual]

Revision as of 17:37, 3 August 2014

This is the documentation of the operation and safety of the CO2 Infrared laser cutter. For hardware and build notes, see Laser Cutter Build.

Theory / General Info

A sealed and water cooled laser discharge tube, excited with sufficient electricity, produces a beam of powerful infrared light. The gas in the discharge tube consists of Carbon dioxide, Nitrogen, Hydrogen and Helium. (more...)

Usage

Before You Operate

Operating Instructions

Build Notes

To Do List

  • Buy/build shaft couplers for y-axis --Andronicus 22:46, 24 October 2012 (EDT)
  • Buy honeycomb surface
  • Buy large z-axis gear and timing belt --Andronicus 18:31, 20 October 2012 (EDT)
  • Buy cable carriers
  • Buy Pololu motor drivers --Andronicus 00:50, 20 October 2012 (EDT)
  • Buy Get Pololu heat sinks from Brian --Andronicus 15:53, 10 November 2012 (EST)
  • Specify limit switches
  • Buy limit switches
  • Cut 1/4" aluminum rod stock to 12" & 14" sections for y-axis shafts --Andronicus 18:31, 20 October 2012 (EDT)
  • Machine air assist nozzle
  • Assemble x & y-axis pulleys
  • Figure out permanent z-axis electronics
  • Buy outlets and terminal blocks
  • Buy a flow indicator
  • Post laser power supply information
  • Laser test setup
  • Cabinet/Table
    • Paint
    • Build doors
    • Mount fire extinguisher
    • Mount push bar
  • Determine electronics setup

Buildlog.net Interface Board - (DONE)

Designator Qty Description Part Number Supplier Supplier P/N Provided By
C1,C2,C12-C16 7 0.1uF 50V 20% Ceramic Cap Kemet C410C104M5U5TA7200 Mouser 80-C410C104M5U-TR Issac
C3-C5 3 220uF 25V Electrolytic Cap Panasonic ECE-A1AKA221 Mouser 667-ECE-A1AKA221 Issac
C6-C11 6 100pF 100V 5% Ceramic Cap AVX SA102A101JAR Mouser 581-SA102A101JAR Issac
CR1-CR3 3 Diode, 1N4148 Generic Mouser 583-1N4148-B Issac
J1 1 Connector, D 25 Pin Male 90 Deg FCI 10090097-P254VLF Mouser 649-10090097-P254VLF Issac
J2 1 Connector, D 9 Female FCI 10090099-S094VLF Mouser 649-10090099-S094VLF
J3 1 Connector, D 9 Male FCI 10090097-P094VLF Mouser 649-10090097-P094VLF Issac
J4 1 Connector, RJ45 Shielded Stewart SS-6488S-A-NF Digikey 380-1024-ND
J5 1 Connector, DC Power Issac
JP1,JP2,JP3 3 Connector, Male Header 3pos Generic Issac
K1 1 Relay Panasonic TQ2H-5V Mouser 769-TQ2H-5V
Q1 1 Transistor Motorola MPS2222A Mouser 863-MPS2222ARLRAG Issac
Q2,C3 2 MOSFET Vishay IRL520 Mouser 844-IRL520PBF
R1-R4,R10,R12,R14,R17,R18,R21,R22,R24,R26 13 Resistor, 10K, 1/4W Generic Mouser 660-MF1/4DCT52R1002F Issac
R5,R6,R7,R8 4 Resistor, 100R, 1/4W Generic Mouser 660-MF1/4DCT52R1000F Issac
R9,R11,R13 3 Resistor, 1K, 1/4W Generic Mouser 660-MF1/4DCT52R1001F Issac
R15,R16,R19,R20,R23,R25 6 Resistor 10 Ohm, 1/4W, Metal Film Generic Mouser 660-MF1/4D52R10R0F Issac
RP1 1 Resistor Array 10K x 9 Generic Mouser 858-L101S103LF
S1,S2,S3 3 Hex Rotary Switch Copal S1011 Digikey 563-1044-ND
TB1,TB2,TB3 3 Terminal block 5mm Header TE Mouser 571-796644-4
TB1,TB2,TB3 3 Terminal block 5mm x 4, Pluggable
TB4 1 Terminal block 5mm x 4
TB4 1 Terminal block,5mm x 3, Pluggable
TB8 1 Terminal block 5mm x 3
U1 1 Power Supply 5V DC/DC Murata OKI-78SR-5/1.5-W36-C Mouser 580-OKI78SR5/1.5W36C
U2 1 Power Supply 3.3V DC/DC Microchip MCP1700-3302E/TO Mouser 579-MCP1700-3302E/TO
U3,U4,U5 3 Stepper Driver Pololu A4983 or A4988
U6 1 Schmitt Trigger Non-Inverting NXP 74HC7014 Mouser 771-74HC7014N
B1 1 50mm Blower, 5V Sunon KDE0505PFV1.11.MS.A.GN Digikey 259-1576-ND
Terminal Block Plug 3 4C For stepper motors
Terminal Block Plug 1 3C For water connection
Power Connector 1 For 24VDC power input CUI
Jumper 3 0.1” Jumper Cap Generic Issac
Standoffs 4 For blower McMaster Andy
Screws 4 PHMS #4-40 x 2.5 Andy
Nuts 4 #4-40 Nylon Locking Generic Andy
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