Laser Cutting

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Revision as of 03:11, 2 January 2022 by Macakcat (talk | contribs) (Added overall description, prequisites, machine dimensions, file prep, software, approved materials, not approved materials sections)
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Our laser is a Trotec Speedy 300, 80W, CO2 laser capable of cutting, engraving, and marking a variety of materials.

Usage Prerequisites

The Laser Basic Usage and Safety class is a required certification to use this machine.

Trotec Speedy 300

Trotec Speedy 300 Specifications
Laser Type CO2
Work Area 736.6 x 431.8 mm [29 x 17 in]
Max. Workpiece Height 149.9 mm [5.9 in]
Laser Power 80 W

Note: Cutting operations have reduced maximum work area, i.e. cutting along work area perimeter is reduced from listed work area (~1 cm).

File Preparation

Drawing files must be sized in mm's.

Software

Jobs are "printed" to Trotec JobControl.

Approved Materials

These materials are tested and approved by Fat Cat Fab Lab for lasering. Not every material on this list can be laser cut, some can only be engraved or marked--see "Considerations / Uses" for details.

Fat Cat Fab Lab Laser Approved Materials
Type Material Considerations / Uses
Paper Cardboard
Cardstock
Chipboard
Foamcore
Museum Board
Paper
Velum
Plastic Acrylic Mirrored acrylic: Laser mirror side down, or cover top with tape if there is no dull side.
Cellulose Acetate
Delrin Provisonal. Needs a test to be accepted.
Kapton
Melamine
Mylar
PET Not PETG!
Polypropylene
Rubber For stamps. Johnson Plastics Low Order Laser Rubber only!
Wood Balsa
Birch
Cedar
Cork
Maple
Oak
Plywood
Tape Kapton Tape
Masking Tape
Painter's Tape
Textile Cotton
Leather Vegetable tanned only!
Linen
Polyester Best with 5% cotton blend. 100% polyester may catch fire.
Wool
Stone Concrete
Granite
Marble
Glass (engrave) All Glass Engrave only.
Engraving Laminate ADA Applique Romark brand.
ADA Substrate Romark brand.
FlexiBrass Rowmark brand.
FlexiColor Rowmark brand.
LaserLIGHTS Rowmark brand.
LaserMag Rowmark brand.
LaserMark Rowmark brand.
LaserMark Reverse Rowmark brand.
LaserMax Rowmark brand.
Textures Rowmark brand.
Metal (mark) Anodized Aluminum Mark only.
Brass Mark only. Must be treated first.
Ferrous metals Mark only. Must be treated first.
Miscellaneous Borax + Water Solution Treatment to create dark black engravings on wood.
Dry Moly Lube Spray Treatment for steel to mark it.

Not Approved Materials

Do not laser any of these materials, especially anything with chlorine (Cl).

Not Approved Materials
Material Notes Consequence
ABS Possible death. Releases cyanide gas and will likely catch fire.
Coated Carbon Fiber Noxious fumes.
Fiberglass Noxious fumes and can't be cut.
HDPE Catches fire.
Polycarbonate/Lexan PC absorbs IR light Cuts poorly and can catch fire.
Polypropylene Foam Melts and catches fire.
Polystyrene Catches fire.
Polyvinyl Chloride (PVC) Includes vinyl, artifical leather, etc. Possible death and destroys laser. Releases chlorine gas which quickly corrodes optics and metal machine components.