100w Fiber Laser Marking Machine

The GRT‑200WFL is very good at cutting metal plates that lower‑power lasers cannot handle. Normal cutting thicknesses are: stainless steel up to 5mm, soft steel up to 6mm, aluminum up to 8mm, and brass or copper up to 3mm. The cut edge is clean with very little left‑over material, so you often do not need to finish it. This means many job shops do not need a separate plasma cutter or CO₂ laser. You can cut custom brackets, machine guards, electrical boxes, gaskets, stencils, and prototype parts from normal plate stock. The machine can also do complex cut‑outs and shapes that would be hard to do with mechanical cutting.

For factory engraving that must last in harsh places, 200W gives you unmatched depth. You can make tactile serial numbers, deep logos, and cavity marks that reach 2‑4mm depth in one pass on steel. You can also remove defects or resurface molds. The machine does fast surface texturing and black annealing at speeds that 100W cannot reach. For aluminum, the 200W makes bright, deep engravings without reflectivity problems, so it is good for airplane and car parts. Hardened tool steel (HRC 60+) is engraved quickly and permanently, and lower‑power lasers have trouble doing that.

With 200W of laser power, safety and fume control are very important. The GRT‑200WFL cabinet is made of thick welded steel with fully locked doors. If you open a door, the laser beam stops right away. The laser‑safe viewing window is made for 200W exposure. A high‑power exhaust system with a 6‑inch pipe takes away the heavy smoke and dust from cutting and deep engraving. The cabinet also makes the noise less and keeps sparks inside. So for following OSHA, CE, and other workplace safety rules, this closed machine is the right choice.

The inside of the cabinet is made for large metal parts, usually 700mm wide by 700mm deep. The marking or cutting area can be changed with different lenses, from 300mm x 300mm up to 600mm x 600mm. The Z‑axis is motorized and moves 500mm, so it fits tall parts or lets the laser head move out of the way for easy loading. The work table is a heavy cast aluminum plate with T‑slots and holes for holding parts. You can also add a rotary attachment for round parts up to 300mm wide and 600mm long. The whole moving system is stronger to handle the higher speed of the 200W scanner.

Unlike lower‑power air‑cooled systems, the GRT‑200WFL needs a water chiller to take away the heat from the 200W laser source. This is not a problem; it is needed for stable, long‑term work. The chiller (included in the package) keeps the laser diode at a steady temperature, so the power stays the same and the laser lasts longer. The chiller connects with quick‑release fittings and runs on normal power. Even though it adds one more part, it lets the 200W run all day without getting too hot.

The 200W laser makes cycle times much shorter than 100W. A typical 3mm thick stainless steel part that needs a cut outline might take 30 seconds on a 100W machine with many passes. The 200W does the same cut in 10‑15 seconds with one pass. For deep engraving of a 2mm deep mark that needs 8 passes on a 100W, the 200W needs only 2‑3 passes, so the time goes from 40 seconds to 10 seconds. Over an 8‑hour shift, that can mean hundreds more parts. So for contract makers, the 200W pays for itself quickly through more work done.

Wholesale buyers should know where 200W fits. The 100W cabinet machine is good for light cutting (up to 2‑3mm) and normal marking. The 200W handles medium cutting (up to 5‑6mm) and deep engraving. The next step, 500W or higher, is for cutting thick plates (over 8mm) and high‑production factory lines, but it costs much more and takes up more space. So the 200W is the sweet spot for metal shops, tool and die makers, and airplane parts suppliers who need serious cutting but do not want a huge machine.

The GRT‑200WFL runs advanced EZCAD software with special settings for high‑power cutting and deep engraving. Features include power ramping at corners, piercing routines for thick plates, and automatic focus mapping. The software can read CAD files, do automatic nesting, and batch processing. Even with high power, the smallest line width is 0.03mm and repeat accuracy is ±0.02mm, so you can still do detailed work. The red light preview and camera alignment options make sure you put the mark in the right place on expensive metal blanks.