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| Both sides previous revision Previous revision Next revision | Previous revision | ||
| equipment:cnc:pcbmill [2025/07/06 12:06] – kit | equipment:cnc:pcbmill [2025/07/23 19:06] (current) – Added dust shroud files samp20 | ||
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| <callout title=" | <callout title=" | ||
| - | ====Risks==== | + | =====Risks===== |
| * Low risk of cuts | * Low risk of cuts | ||
| - | * Noise levels - below 80 db (last test was 68 db withouth | + | * Noise levels - below 80 db (last test was 68 db without |
| * Do not leave completely unattended - please keep a close eye and stay upstairs in the general use room | * Do not leave completely unattended - please keep a close eye and stay upstairs in the general use room | ||
| * Pinch injury risk | * Pinch injury risk | ||
| Line 15: | Line 15: | ||
| Full Risk Assessment can be found here: **[TBC]** | Full Risk Assessment can be found here: **[TBC]** | ||
| + | |||
| Please also refer to the generic electrical and manual handling risk assessments | Please also refer to the generic electrical and manual handling risk assessments | ||
| - | ====Induction==== | + | =====Induction===== |
| This machine is in person induction only at the moment. | This machine is in person induction only at the moment. | ||
| Please an induction request on the forum. | Please an induction request on the forum. | ||
| - | ===Specifications=== | + | =====Specifications===== |
| - | Location | + | * **Location:** Upstairs, through the general use room, down three steps into the CNC and electronics room, in the corner on your left as you enter. |
| - | Model: Bungard CCD/MTC CNC | + | * **Model:** Bungard CCD/MTC CNC |
| - | Weight: 35 kg ( before mods) | + | * **Weight:** 35 kg ( before mods) |
| - | Dimension: 700 x 800 x 300 mm | + | * **Dimension:** 700 x 800 x 300 mm |
| - | Working area: 325 x 495 x 38 | + | * **Working area:** 325 x 495 x 38 |
| + | * **Table:** Precision aluminium table, both sides milled over, for approximately zero height tolerance | ||
| + | * **Tool change:** Manual | ||
| + | * **RPM:** 3, | ||
| + | * **Software: | ||
| + | * **Drive system:** High load-2x2-phase stepper motors on all 3 axis for real milling applications and correct adjustment of the cutting speedfor all tools | ||
| + | * **Step resolution: | ||
| + | * **Precision: | ||
| + | * **Position accuracy: | ||
| + | * **Tool diameter:** 0.1mm – 3,145mm (recommended, | ||
| + | * **Board fixation:** double sided tape (span fixing, clamp fixing, reference pin system possible with additional accessories) | ||
| - | Table: Precision aluminium table, both sides milled over, for approximately zero height tolerance | ||
| - | Tool change: Manual | ||
| - | RPM: 3, | ||
| - | Software: RoutePro3000 **(check)** | ||
| - | Drive system: High load-2x2-phase stepper motors on | ||
| - | all 3 axis for real milling applications and | ||
| - | correct adjustment of the cutting speed | ||
| - | for all tools | ||
| - | Step resolution: Software selectable: 1 | ||
| - | mil, ½ mil, ¼ mil (= 6.35 Micrometer) | ||
| - | Precision: Precision: +/- 1 step | ||
| - | Position accuracy:20 ppm (0.002%) over the entire work space (9,9 µm with a work area of 495 mm) | ||
| - | Tool diameter: 0.1mm – 3,145mm (recommended, | ||
| - | Board fixation: double sided tape (span fixing, clamp fixing, reference pin system possible with additional accessories) | ||
| - | + | =====Manual===== | |
| - | ===Manual=== | + | |
| Please note that custom modifications have been made to this system to improve health and safety and ease of use. | Please note that custom modifications have been made to this system to improve health and safety and ease of use. | ||
| [[https:// | [[https:// | ||
| - | == Modifications == | + | ==== Modifications |
| * Emergency stop button - for emergencies | * Emergency stop button - for emergencies | ||
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| * New controller - to control the PCB Mill | * New controller - to control the PCB Mill | ||
| * Height mapping - to give more control and accuracy of the actual height of the work piece for more accurate work | * Height mapping - to give more control and accuracy of the actual height of the work piece for more accurate work | ||
| - | * | + | * Extraction system - to provide better extraction of dust and vapours |
| =====Introduction==== | =====Introduction==== | ||
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| The main advantage of PCB milling is the quick turn around time, hence milling is best used for rapid PCB prototyping. | The main advantage of PCB milling is the quick turn around time, hence milling is best used for rapid PCB prototyping. | ||
| + | |||
| + | Currently the machine is not set up for: Special operating conditions or heavy work pieces may require that the machine is encapsulated. A protection cover is available | ||
| + | as an option. Also additional work piece clamps will need to be made/ | ||
| + | |||
| + | ==== Extraction ==== | ||
| + | **Extraction system:** Numatic Henry Pet Vacuum Cleaner | ||
| + | |||
| + | **Filters: | ||
| + | |||
| + | ** Dust shroud design:** {{ : | ||
| ====Considerations when designing a PCB for milling ==== | ====Considerations when designing a PCB for milling ==== | ||