Laser Cutter
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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.
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
- Software
- LinuxCNC - LinuxCNC
- LinuxCNC Config Setup - Stepper Config
- LinuxCNC INI Config - INI Config
- Currently Used Config
Build Notes
- Laser Cutter Build and hardware information
- The laser cutter being built is based around the laser cutter on Buildlog.net
- Buildlog.net 2x Laser Google Doc Assembly Instructions
- Buildlog.net 2x Laser Control Board Doc
- Another good reference for another machine is Lasersaur
To Do List
Buy/build shaft couplers for y-axis--Andronicus 22:46, 24 October 2012 (EDT)Buy honeycomb surfaceBuy large z-axis gear and timing belt--Andronicus 18:31, 20 October 2012 (EDT)Buy cable carriersBuy Pololu motor drivers--Andronicus 00:50, 20 October 2012 (EDT)BuyGet Pololu heat sinks from Brian--Andronicus 15:53, 10 November 2012 (EST)Specify limit switchesBuy limit switchesCut 1/4" aluminum rod stock to 12" & 14" sections for y-axis shafts--Andronicus 18:31, 20 October 2012 (EDT)Machine air assist nozzleAssemble x & y-axis pulleysFigure out permanent z-axis electronicsBuy outlets and terminal blocksBuy a flow indicator- Post laser power supply information
Laser test setup- Cabinet/Table
- Paint
- Build doors
- Mount fire extinguisher
- Mount push bar
Determine electronics setupParallel Port Option: Interface board from buildlog.net--Andronicus 22:46, 24 October 2012 (EDT)Procure electronics components for interface boardParallel port cablingBring in computerBring in old RAMUSB Option: Lasersaur Arduino Shield -- ON HOLD
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 |