Review & Teardown: ComMarker B4 20W Fiber Laser Engraver
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00:00 Intro
ComMarker B4 20W Fiber Laser Engraver Intro
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01:35 Unboxing
ComMarker B4 20W Fiber Laser Engraver Unboxing
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02:32 Setup
ComMarker B4 20W Fiber Laser Engraver Setup
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03:22 Software
ComMarker B4 20W fiber laser engraving machine software installation
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04:18 Focus
How to focus of ComMarker B4 20W fiber laser engraving machine
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04:59 First pewpew
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06:05 Usable Area
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07:17 Goggles
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09:09 Spot size
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10:13 Engraving metal
![Review & Teardown: ComMarker B4 20W Fiber Laser Engraver 12 hqdefault 720033](https://commarker.com/wp-content/uploads/2024/01/hqdefault_720033.webp)
11:32 Resistor trimming
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12:25 Unsuitable materials
![Review & Teardown: ComMarker B4 20W Fiber Laser Engraver 14 hqdefault 802000 1](https://commarker.com/wp-content/uploads/2024/01/hqdefault_802000-1.webp)
13:22 Serial numbering
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15:01 Milling & Cutting
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15:48 Color engraving
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16:34 Rotary axis
![Review & Teardown: ComMarker B4 20W Fiber Laser Engraver 18 hqdefault 1084900](https://commarker.com/wp-content/uploads/2024/01/hqdefault_1084900.webp)
17:47 Ceramic scoring
![Review & Teardown: ComMarker B4 20W Fiber Laser Engraver 19 hqdefault 1144900](https://commarker.com/wp-content/uploads/2024/01/hqdefault_1144900.webp)
18:40 PCBs
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20:55 Integrated circuits
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21:50 Teardown
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