This review video is reproduced from 'JT Makes It' . Full written review: hobbylasercutters.com/commark...
The original video: • "Cheap" 20W Fiber Lase...
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A fiber laser engraving machine excels at engraving metal and plastics. It is precise and 100 times faster than conventional laser engravers. I have thoroughly tested the new and very affordable ComMarker B4 20W fiber laser engraver which delivers a lot of performance for its money with its motorized focusing Z-axis, live engraving preview, two different lenses, a rotary system, a foot pedal and handheld capability. It can also engrave in color!
0:00 Intro
0:52 What is in the box of the Commarker B4 Fiber laser marker
1:10 How to focus the machine
1:32 Supported software
1:51 This laser is incredibly fast!
2:35 Measuring the focus spot size
3:33 Using the bigger 200mm lens
4:18 Engraving a large photo with amazing details in just minutes!
4:46 Testing different frequency settings on stainless steel
5:47 How to get black engravings on stainless steel
6:12 Some tests on aluminum
6:38 Cleaning dirty coins with this fiber laser
6:55 PERFECTLY removing RUST with lightning fast speeds
7:21 Using Kittl for making cool vector designs I used on anodized aluminum dog tags
8:39 Geometric correction for cylindrical objects
9:20 How to EARN a TON of MONEY with this laser
9:50 Variable text and auto increment function for serial production
10:24 Engraving on black acrylic is AMAZING
10:50 The high quality rotary chuck for cylinder engravings
11:21 How to use rotary chuck for engraving both sides of a metal ring
12:31 Removing coatings from stainless steel cups
13:08 COLOR Engravings on titanium
13:55 Etching a very deep engraving in brass
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