OMTech K40+ 45W CO2 Laser Engraver or OMTech K40+ CO2 Laser Engraver? Which OMTech Model to Buy
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
You are comparing the omtech k40 45w co2 laser engraver vs k40 co2 laser engraver. Both machines share a CO2 laser type and include a water chiller and LightBurn software. They also offer a 12x8 inch working area. The main difference lies in the rated laser power and included accessories. One model lists 45W power with specific cutting capacities, while the other emphasizes speed and adjustable head mechanics. You need to check which specs match your material needs.
Key differences
| Aspect | OMTech K40+ 45W CO2 Laser Engraver | OMTech K40+ CO2 Laser Engraver with Chiller |
|---|---|---|
| Laser Power | 45W | 45W (listed in attributes, 40W in features) |
| Cutting Capacity | 0.4 inch acrylic, 0.31 inch wood | Not listed |
| Engraving Speed | Not listed | 13.8 ips (350 mm/s) |
| Laser Head | Not listed | Extends up to 1.2 inches |
| Included Software | LightBurn, LaserGRBL | LightBurn |
Which one should you choose?
Choose OMTech K40+ 45W CO2 Laser Engraver if
- You need confirmed cutting depths for acrylic and wood
- You want compatibility with LaserGRBL software
- You prefer a model with explicitly stated 45W performance metrics
Choose OMTech K40+ CO2 Laser Engraver with Chiller if
- You require high engraving speeds up to 350 mm/s
- You need an adjustable laser head for taller objects
- You value US-based support and a 1-year general warranty
Verdict: Choose the first model if you rely on specific cutting depth ratings and dual software options. Pick the second model if you prioritize engraving speed and mechanical flexibility for taller items. Both units provide the same core CO2 laser capabilities and chiller support.
K40+ 45W vs Standard K40 Comparison
laser power
Product A lists a 45W laser power rating in its key specs and features. This higher output allows the machine to slice through 0.4-inch acrylic and 0.31-inch wood with increased speed and depth. Product B’s title and features mention 45W, yet its key specs explicitly state 40W. The discrepancy in Product B’s data makes its actual cutting capacity unclear. For users needing consistent, high-power performance for thicker materials, Product A’s clear 45W specification provides a more reliable benchmark for cutting depth and speed.
cutting capacity
Product A specifies cutting capabilities of 0.4-inch (10mm) acrylic and 0.31-inch (8mm) wood. It claims this enhanced power boosts cutting speed by 1.5 to 2 times compared to lower power models. Product B mentions engraving depth of up to 1/8-inch (3mm) on various materials but does not provide specific cutting thickness limits for acrylic or wood. If your projects require cutting through thicker acrylic sheets or hardwoods, Product A’s documented capacity offers a clearer advantage in handling substantial material thickness.
software compatibility
Both machines include LightBurn software, which is preferred by many users for its advanced features. Product A also includes LaserGRBL, providing an additional option for beginners who prefer simpler interfaces. Product B lists LightBurn compatibility in its key specs but does not mention LaserGRBL in its features or attributes. Having two software options can be helpful if you encounter issues with one program. Product A’s inclusion of both LightBurn and LaserGRBL gives you more flexibility in choosing your control software.
work area features
Both products offer a 12x8 inch working area. Product A highlights a detachable honeycomb bed and rotary axis compatibility for thicker or uniquely shaped items. Product B also mentions rotary axis compatibility and includes a second workbed with a clamping design for irregular items. Additionally, Product B notes that its laser head extends up to 1.2 inches and the base detaches for larger objects. Product B’s specific mention of the adjustable head and clamping bed provides more detail on handling varied object shapes.
safety and cooling
Both units come with a water chiller and built-in air assist to manage smoke and debris. Product A specifies a flame-retardant observation window and an emergency stop function. Product B also mentions a flame-retardant viewing window and an exhaust fan. Product B explicitly states it has laser class 2 safety features. While both prioritize safety, Product B’s explicit mention of laser class 2 compliance and the specific exhaust fan details provide slightly more transparent safety documentation for your workspace.
Choose Your OMTech K40+ Model
Users needing thicker material cuts
Product A lists a 45W laser power rating. This higher output allows it to slice through 0.4-inch acrylic and 0.31-inch wood. The specs indicate a 1.5 to 2 times increase in cutting speed compared to lower power models. You get deeper cuts with enhanced precision for thicker projects.
Users prioritizing engraving speed
Product B specifies an engraving speed of 350 mm/s or 13.8 ips. This data point suggests faster marking on surfaces like wood, glass, and leather. While the laser power is listed as 40W in the title, the high speed setting benefits users who value rapid processing over deep cutting depth.
Users wanting adjustable head height
Product B features an adjustable laser head that extends up to 1.2 inches. It also includes a detachable base for larger items. These physical specs provide flexibility for irregular objects. You gain mechanical adjustability for handling thicker or uniquely shaped materials without additional accessories.
Users seeking bundled software
Product A explicitly includes LightBurn software in its features and key specs. It also supports LaserGRBL for flexible operation. This bundle ensures you have professional-grade control software immediately. The inclusion of LightBurn provides intuitive navigation and advanced features for both novices and experienced designers right out of the box.
The products compared
OMTech K40+ 45W CO2 Laser Engraver
Best for: Users needing water cooling and LightBurn
- Laser Type
- CO2
- Laser Power
- 45W
- Working Area
- 12" x 8"
- Engraving Speed
- 300 mm/s
- Software Compatibility
- LightBurn, LaserGRBL
- Cutting Capacity
- 0.4" (10mm) acrylic, 0.31" (8mm) wood
View on Amazon: OMTech K40+ 45W CO2 Laser Engraver Affiliate link
The OMTech K40+ 45W CO2 Laser Engraver features a 45W laser tube and a 12x8 inch working area. It includes a CW-3000 water chiller and LightBurn software. The machine cuts up to 0.4 inch acrylic and 0.31 inch wood. It has built-in air assist and safety features like an emergency stop. This model suits users who need reliable cooling and advanced software for professional results.
Pros
- 45W laser power for faster cutting
- Includes CW-3000 water chiller
- Comes with LightBurn software
- 12x8 inch working area
- Built-in air assist system
Cons
- Ships in two separate packages
- Heavy at 53.8 pounds
- Requires water cooling maintenance
Good fit if
- You need a water chiller included
- You prefer LightBurn software
- You cut thicker acrylic or wood
Skip if
- You want a single box shipment
- You prefer air cooling only
- You need a lighter machine
Verdict: The OMTech K40+ 45W CO2 Laser fits users who want a complete setup with a water chiller and LightBurn software for cutting thicker materials.
OMTech K40+ CO2 Laser Engraver with Chiller
Best for: Users needing LightBurn and a chiller
- Laser Type
- CO2
- Laser Power
- 40W
- Working Area
- 8"x12" (200x300 mm)
- Engraving Speed
- 350 mm/s
- Software Compatibility
- LightBurn
- Features
- Water Chiller
View on Amazon: OMTech K40+ CO2 Laser Engraver with Chiller Affiliate link
The OMTech K40+ 45W CO2 Laser Engraver delivers a 40W laser output with a 8"x12" (200x300 mm) working area. It includes LightBurn software and a CW-3000 water chiller for consistent performance. The machine reaches engraving speeds up to 350 mm/s. You get a flat bed and a clamping bed for irregular items. This setup suits users who need reliable desktop engraving for wood, acrylic, and leather.
Pros
- Includes LightBurn software for intuitive control
- Comes with a CW-3000 water chiller
- Supports rotary axis for curved surfaces
- Features detachable base for larger objects
- Provides air assist and exhaust fan
Cons
- 40W output is lower than the 45W alternative
- 8"x12" working area is smaller than larger models
- Tube warranty is only 6 months
Good fit if
- You want LightBurn software included
- You need a water chiller for stability
- You engrave irregular or curved items
Skip if
- You require higher than 40W power
- You need a larger working area
- You prefer a longer tube warranty
Verdict: OMTech K40+ 45W CO2 Laser is a solid choice for users who value included software and cooling. It fits those who engrave varied shapes on a standard desktop size.
Specifications side by side
| Spec | OMTech K40+ 45W CO2 Laser Engraver | OMTech K40+ CO2 Laser Engraver with Chiller |
|---|---|---|
| Laser Type | CO2 | CO2 |
| Laser Power | 45W | 40W |
| Working Area | 12" x 8" | 8"x12" (200x300 mm) |
| Engraving Speed | 300 mm/s | 350 mm/s |
| Software Compatibility | LightBurn, LaserGRBL | LightBurn |
| Cutting Capacity | 0.4" (10mm) acrylic, 0.31" (8mm) wood | not stated |
| Compatible Material | Wood, Acrylic, Glass | not stated |
| Features | Air Assist, Water Chiller | Water Chiller |
| Dimensions | 31.9 × 19.7 × 9.8 inches | not stated |
| Weight | 53.8 pounds | not stated |
| Size | 45W with LB&Chiller | not stated |
| Color | Blue | not stated |
| Model | K40+ 45W | SH-G350 |
Frequently asked questions
Does the OMTech K40+ 45W come with a water chiller?
Yes, the OMTech K40+ 45W CO2 Laser Engraver includes a water chiller. This feature is listed in its key attributes. It helps maintain stable laser performance during longer engraving or cutting sessions. You do not need to purchase separate cooling equipment for this model.
Is LightBurn software included with the 45W model?
Yes, LightBurn software is included with the OMTech K40+ 45W CO2 Laser Engraver. The product data lists LightBurn under software compatibility. This allows you to control the machine with advanced features right out of the box. It supports precise vector and raster engraving tasks.
What are the physical dimensions of the K40+ 45W?
The OMTech K40+ 45W measures 31.9 inches in length, 19.7 inches in width, and 9.8 inches in height. It weighs 53.8 pounds. These dimensions fit on a standard desktop. The blue casing is noted in the specifications. Ensure you have adequate space for ventilation.
Can the standard K40+ model cut thick materials?
The standard K40+ model shares the same 45W laser power and includes a water chiller and LightBurn software. However, specific cutting thickness data is not provided for this specific ASIN in the current list. You should verify the maximum acrylic and wood thickness with the manufacturer for this exact unit.
Do both models support LightBurn software?
Yes, both the OMTech K40+ 45W and the other listed K40+ model support LightBurn software. This compatibility is listed in the attributes for both products. You can use this third-party software for enhanced control over your laser projects. It offers more features than the default interface.
Is the K40+ 45W suitable for water cooling?
Yes, the OMTech K40+ 45W is designed for water cooling. It explicitly includes a water chiller as a key feature. This system circulates water to keep the laser tube cool. Proper cooling extends the lifespan of the laser tube and ensures consistent power output during use.