Cnc With Laser vs Separate Laser Engraver: Which One Should You Buy?

LaserEngraveHQ earns a commission from purchases made through these links, at no extra cost to you. Read our affiliate disclosure.

cnc with laser vs separate laser engraver: the short answer

Pick a CNC with a laser module when milling, carving and cutting parts is the main work and engraving is the second job. The CNC side cuts and shapes with a spindle, and the laser module adds engraving and cutting on the same bed, depending on the module fitted. Pick a separate laser engraver when engraving and cutting flat stock is the main work, since a dedicated laser is built around its beam, its work area and its cutting figures, with no spindle setup in the way.

One detail decides a lot of combo purchases: on the Twotrees example below, the laser module is optional, not part of the standard box. A combo machine that needs an add-on module is a different purchase from a combo machine that ships with one, so check the box contents before deciding.

What a CNC with a laser module does

The Twotrees TTC6050 is the combo-side example here. It is a desktop CNC router with a 500W spindle, a 600 x 500 x 100 mm working travel, C7 ball screws and linear rails, a stated 0.1 mm engraving accuracy and a rated speed up to 5000 mm/min. It takes an ER11 collet with a 0.5 to 7 mm tool diameter, runs open-source GRBL firmware, and lists plywood, solid wood, MDF, acrylic, carbon fiber, aluminum, copper and stainless steel as supported materials.

The combo workflow comes from its CNC-laser mode switch and 3.5-inch resistive touch screen, with TF-card, USB and 2.4G WiFi connection for standalone runs. The frame is aluminum alloy, listed at 35.9 kg, with an infrared object sensor and dual limit switches for the X, Y and Z axes, and the listing states CE, FCC and RoHS certification. The laser module itself is optional, alongside an optional air-cooled or water-cooled spindle, so the engraving side of this machine depends on the module chosen.

What a separate laser engraver does

The Longer RAY5 is the dedicated-laser example here. It carries a 20000mW laser module with a 400 x 400 mm working area, a stated 0.01 mm engraving precision and 0.08 x 0.1 mm laser points. The listing states single-pass cutting through 0.59 inch or 15 mm pine wood, 0.002 inch or 0.05 mm stainless steel and 0.31 inch or 8 mm acrylic, and multiple passes for cutting through 25 mm wood and 35 mm acrylic. The title also carries a 130W figure, which the listing does not label as optical output, so this guide does not treat it as output power.

Its workflow is built around a 3.5-inch touchscreen with USB, WiFi and APP connection and offline usage, plus LaserGRBL and LightBurn compatibility. Safety features stated are a laser head protective cover filtering more than 95% of laser emissions, safety glasses in the box, emergency shutdown, motion protection, heat protection and a hidden active cooling system. The listing states a 1 year manufacturer warranty and a weight of 11.23 pounds. Note that the listing states no optical density or wavelength range for the included glasses, so this guide does not rate them as rated eye protection.

The gear in this guide

Ranked from the strongest overall listing to the narrowest, the 4 machines in this guide are: the Twotrees TTC6050, the Longer RAY5, the FoxAlien Masuter Pro and the Genmitsu CNC 3018-PRO.

Twotrees TTC6050. The combo pick: a 500W spindle, a 600 x 500 x 100 mm working travel, a CNC-laser mode switch and an optional laser module, with an aluminum alloy frame, an infrared object sensor and CE, FCC and RoHS certification stated. Best for a maker who mills parts and wants engraving on the same machine.

Longer RAY5. The dedicated laser pick: a 20000mW laser module, a 400 x 400 mm working area and stated cutting figures for pine, stainless steel and acrylic, with a protective cover, safety glasses, emergency shutdown and motion and heat protection. Best for a maker whose main work is engraving and cutting flat stock.

FoxAlien Masuter Pro. An all-metal CNC router with a 400 x 400 x 60 mm engraving surface, 52 mm and 65 mm spindle clamps for 60W and 300W spindles, a dust-resistant controller box with emergency stop and home buttons, and an optional Y-axis extension kit. Assembly is stated at 10 to 15 minutes with pre-assembled main parts.

Genmitsu CNC 3018-PRO. A compact beginner CNC router with a 300 x 180 x 45 mm working area, GRBL control and an offline controller for running G-code files without a connected computer.

Workflow: switching vs dedicating

On the Twotrees example, a combo machine asks for a mode switch: the listing names a CNC-laser mode switch, so the maker changes modes between milling and engraving on one bed. A separate laser has no spindle mode to switch to, which suits a shop where engraving jobs arrive all day and the laser stays set up. Offline control matters on both sides: the Twotrees runs from its touch screen with TF-card, USB and WiFi, the Longer runs from its touch screen with USB, WiFi and APP, and the Genmitsu runs from its offline controller without a connected computer.

Work area shapes the workflow too. The Twotrees travel of 600 x 500 x 100 mm fits larger parts than the 400 x 400 mm Longer bed or the 400 x 400 x 60 mm FoxAlien surface, while the Genmitsu working area of 300 x 180 x 45 mm fits small work. Bigger beds leave room for more blanks per run; smaller beds suit small parts and tight benches.

Safety and workspace

Cutting topics need fire and ventilation guidance. A laser can start a fire, so never leave a running job unattended, keep a suitable extinguisher within reach, and exhaust fumes outdoors or through a filter designed for laser fumes. Eye protection counts only when the listing states an optical density and a wavelength range that matches the machine: none of the listings here states those figures for eyewear, so do not treat a tinted shield or unrated glasses as protection.

Materials matter as much as machines. Never laser PVC, vinyl, PVC-based faux leather, polycarbonate or ABS: they can release harmful fumes and damage the machine. The Genmitsu listing names PVC among its CNC routing materials, which is milling work on a spindle, not laser work.

Which one should you buy?

Buy the CNC with a laser module when the project list mixes milling, carving and cutting parts with engraving. Buy the separate laser engraver when the project list is mostly engraving and cutting flat stock, and the stated cutting figures for pine, acrylic and stainless steel match the work. When the budget allows only one machine and the work is split evenly, the combo side wins on versatility; when engraving volume grows, the dedicated laser wins on setup time.

FAQ: lasers and CNC

Can a CNC router also laser engrave?

Only when the listing says so. The Twotrees TTC6050 has a CNC-laser mode switch and an optional laser module. The Genmitsu and FoxAlien listings here state no laser module, so this guide treats their laser ability as not stated.

Does a separate laser engraver cut as well as engrave?

The Longer RAY5 listing states both: engraving precision of 0.01 mm, and cutting through 15 mm pine wood, 0.05 mm stainless steel and 8 mm acrylic in a single pass, plus 25 mm wood and 35 mm acrylic in multiple passes. Cutting depth varies with the material and the number of passes: the Longer listing gives single-pass figures for thinner stock and multiple-pass figures for thicker stock.

What materials can each side handle?

The Twotrees CNC side lists plywood, solid wood, MDF, acrylic, carbon fiber, aluminum, copper and stainless steel. The Longer laser side lists stainless steel, cotton cloth, leather, metal, wood, glass and acrylic. Never laser PVC, vinyl, PVC-based faux leather, polycarbonate or ABS, whatever the other side of the shop does with them.

Do I need a computer connected while the machine runs?

Not on these listings. The Twotrees runs from its 3.5-inch touch screen with TF-card, USB and 2.4G WiFi. The Longer runs from its 3.5-inch touch screen with USB, WiFi and APP and supports offline usage. The Genmitsu runs from its offline controller without a connected computer.

Which work area fits bigger projects?

The Twotrees travel of 600 x 500 x 100 mm is the largest here, followed by the Longer working area of 400 x 400 mm and the FoxAlien surface of 400 x 400 x 60 mm, which share a 400 x 400 mm footprint. The Genmitsu working area of 300 x 180 x 45 mm fits small parts. Match the bed to the largest blank the projects need.

Related: the laser engraver hub and CNC routers. Also see our how to choose a laser engraver, best laser engraver for small business, best laser engraver for wood.