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spacedocumentation:lasercutterhowto
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spacedocumentation:lasercutterhowto [2015/05/03 21:22] branth [Introduction] |
spacedocumentation:lasercutterhowto [2017/09/11 03:33] (current) branth [Plastic Film Sheets] |
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| NOTE: These aren't hard and fast rules - always check your job with a scrap of the material you want to use first! | NOTE: These aren't hard and fast rules - always check your job with a scrap of the material you want to use first! | ||
| - | * Paper | + | [[spacedocumentation: |
| + | |||
| + | ==== Paper ==== | ||
| * Watch out! Paper burns easily! | * Watch out! Paper burns easily! | ||
| * 100% power is fine as long as your speed is under N%. | * 100% power is fine as long as your speed is under N%. | ||
| * Jason G had good luck with 80%-100% power and 30% speed. | * Jason G had good luck with 80%-100% power and 30% speed. | ||
| - | * Baltic Birch Plywood | + | ==== Baltic Birch Plywood |
| * 100% Power - 1-3% speed. | * 100% Power - 1-3% speed. | ||
| * Will easily take 3 or more passes, depending on how clean the mirrors are. | * Will easily take 3 or more passes, depending on how clean the mirrors are. | ||
| * See more notes on [[equipment: | * See more notes on [[equipment: | ||
| - | + | ==== Cutting HDPE ==== | |
| - | + | ||
| - | Cutting HDPE on our machines | + | |
| * Absorbs too much heat, not a clean cut | * Absorbs too much heat, not a clean cut | ||
| * Hard to get through 1/8" material without reflow/ | * Hard to get through 1/8" material without reflow/ | ||
| * Better machined/ | * Better machined/ | ||
| - | * {{: | + | * {{: |
| - | * {{: | + | * {{: |
| + | |||
| + | ==== Direction of wood grain ==== | ||
| + | |||
| + | * When setting up a wood cut, it is best to orient shapes such that the long dimension is parallel to the grain. | ||
| + | * This minimizes how much the piece will warp over time. | ||
| + | * Shape A will curl up more than Shape B. | ||
| + | * See image below: | ||
| + | * {{: | ||
| + | ==== Plastic Film Sheets ==== | ||
| + | In September 2017 we received a donation of several rolls of plastic film. We think they were dielectric materials used in the manufacture of capacitors. The film seems to hold a cut edge well with little smoke or flame. The plastic has these characteristics, | ||
| + | * Denser than water, sinks (not a polyolefin, HDPE, LDPE) | ||
| + | * Curls slightly when melted but does not drip or bubble | ||
| + | * Little smoke/ | ||
| + | * Metallized PP and PET films are used in capacitors from GE | ||
| + | {{: | ||
| + | {{: | ||
| + | {{: | ||
| + | |||
| + | ===== More Information ===== | ||
| + | Universal Laser has a [[https:// | ||
spacedocumentation/lasercutterhowto.1430688176.txt.gz · Last modified: 2015/05/03 21:22 by branth
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