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| equipment:cnc:laser:home [2023/03/22 22:19] – added induction notes. nough | equipment:cnc:laser:home [2024/11/19 21:42] (current) – external edit 127.0.0.1 | ||
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| ===== Usage ===== | ===== Usage ===== | ||
| - | * Any use of the laser must be in line with the {{: | ||
| - | * < | ||
| - | === Inductions === | ||
| - | All users MUST be inducted prior to using the laser. Please request an induction on the discourse forum and familiarise yourself with the documentation prior to attending your induction. | ||
| - | |||
| - | ===== Instructions ===== | ||
| === Basic Guidelines === | === Basic Guidelines === | ||
| - | * Inducted Bristol Hackspace members only | + | * Inducted Bristol Hackspace members only. |
| - | * Approved materials only | + | * Approved materials only. See the [[: |
| - | * Confirm that the chiller, extraction and air assist are working | + | * Confirm that the chiller, extraction and air assist are working. |
| - | * Do not leave laser cutting unattended | + | * Do not leave laser cutting unattended. |
| Failure to follow the guidelines, or other unsafe use may result in your access being revoked and you will not be allowed to use the laser cutter. | Failure to follow the guidelines, or other unsafe use may result in your access being revoked and you will not be allowed to use the laser cutter. | ||
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| [[: | [[: | ||
| - | [[: | + | [[: |
| - | [[: | + | [[: |
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| + | [[: | ||
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| * 10/04/2018 - Tube Power 77 Watts | * 10/04/2018 - Tube Power 77 Watts | ||
| - | == Notes from induction == | ||
| - | to be integrated in to page. | ||
| - | - Never leave unattended | ||
| - | - Always use the Emergency Stop button that is on the laser before the one on the wall, and especially so in emergency - this allows the water cooler and extractor to stay on and help put out any fires, reduce damage, etc. | ||
| - | - Laser MUST be below 24c, better to be less than 21c. Read the temperature from the refrigerator unit. In the warm months, it can take 10+ minutes to come down to temperature. | ||
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| - | Materials: | ||
| - | - Absolutely no PVC. The " | ||
| - | - It won't cut steel | ||
| - | - It can cut Aluminium, but only with a special coating | ||
| - | - Acrylic 4mm will be cut through at 12-15mm/s | ||
| - | - If you're unsure of laser power, do test cuts e.g. a few squares in the corner of your workpiece to work out how slow to cut through | ||
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| - | Files: | ||
| - | - Must export in DXF | ||
| - | - Must be in mm | ||
| - | - Open Lasercut5.3 on the PC. | ||
| - | - Import DXF | ||
| - | - Tools > unite lines. | ||
| - | - Change scale, type X width then click 3 dots on y to set proportional scale. | ||
| - | - " | ||
| - | - Use different colours to create layers | ||
| - | - Double-click colour to open options | ||
| - | - Generally always blow | ||
| - | - Speed is measured in mm/s | ||
| - | - Corner power - can reduce | ||
| - | - Layers work in order, top first. | ||
| - | - Generally want to engrave then cut, to prevent movement. | ||
| - | - To just engrave, put 70mm, 50% for acrylic | ||
| - | - Engrave Mode setting will engrave the internal area of a shape. | ||
| - | - Cut Mode will cut on the lines. | ||
| - | - Unsure of other modes. | ||
| - | - Need to Set Knife Origin in the application, | ||
| - | - Click Download, Delete All (clear queue), Download Current | ||
| - | Laser: | ||
| - | - Position laser, then material | ||
| - | - Press enter, then enter again, SET LOGIC ORG (ORIGIN). | ||
| - | - Do test button to trace outline of cut. | ||
| - | - Press Z button to start changing height, then up and down. Press Z again to exit height mode. | ||
| - | - Use little wooden tool to ensure bed height is correct | ||
| - | - Never push Datum in Z mode. There is no safety switch in Z mode, so it would keep lifting the bed and crash it in to the laser. | ||
| - | - ESC is your friend | ||
| - | - Wait 10 seconds for extractor to finish extracting after finishing cutting. | ||