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Both sides previous revision Previous revision Next revision | Previous revision | ||
equipment:cnc:pcbmill [2025/07/06 12:07] – kit | equipment:cnc:pcbmill [2025/07/23 19:06] (current) – Added dust shroud files samp20 | ||
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- | ====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 | ||
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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: 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 | + | |
- | * Weight: 35 kg ( before mods) | + | |
- | * Dimension: 700 x 800 x 300 mm | + | |
- | * 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: RoutePro3000 **(check)** | + | |
- | * Drive system: High load-2x2-phase stepper motors on | + | |
- | * all 3 axis for real milling applications and | + | |
- | * correct adjustment of the cutting | + | |
- | * 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 ==== |