3kW Laser Welding Machines

3kW laser welding machines deliver deep penetration, fast speeds, and high-strength welds on thick metals, ideal for automotive, aerospace, and heavy manufacturing.
Home » Laser Welding Machines » 3kW Laser Welding Machines

Product Introduction

3kW laser welding machines represent the high-performance end of industrial laser welding, delivering unmatched power, speed, and penetration for heavy-duty applications. With 3000 watts of laser output, these machines are capable of producing strong, precise welds on medium to thick sections of metals, ensuring durability and consistency even under the most demanding production conditions. Powered by advanced fiber laser technology, 3kW laser welding systems minimize distortion while maintaining exceptional seam quality. They are compatible with a wide range of materials, including stainless steel, carbon steel, aluminum, copper, brass, titanium, and nickel-based alloys. This makes them ideal for industries such as automotive, aerospace, shipbuilding, heavy machinery, energy, and defense manufacturing. Many 3kW laser welding machines can be configured for handheld use, robotic integration, or fully automated production lines, providing flexibility for both high-volume output and specialized projects. Enhanced cooling, intuitive software controls, and robust safety features ensure continuous, reliable operation. Whether for deep penetration welds, structural components, or complex geometries, 3kW laser welding machines deliver the power, precision, and efficiency required to maximize productivity and maintain the highest quality standards.

3kW Laser Welding Capacity

Material Type Welding Form Thickness (mm) Welding Speed (mm/s) Defocus Amount Protective Gas Blowing Method Flow (L/min) Welding Effect
Carbon Steel (Q2358) Butt Welding 0.5 100~110 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
Butt Welding 1 90~100 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
Butt Welding 1.5 70~80 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
Butt Welding 2 60~70 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
Butt Welding 3 50~60 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
Butt Welding 4 40~50 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
Butt Welding 5 30~40 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
Butt Welding 6 20~30 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
Stainless Steel (SUS304) Butt Welding 0.5 110~120 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
Butt Welding 1 100~110 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
Butt Welding 1.5 90~100 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
Butt Welding 2 80~90 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
Butt Welding 3 70~80 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
Butt Welding 4 60~70 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
Butt Welding 5 40~50 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
Butt Welding 6 30~40 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
Brass Butt Welding 0.5 90~100 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
Butt Welding 1 80~90 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
Butt Welding 1.5 70~80 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
Butt Welding 2 60~70 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
Butt Welding 3 50~60 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
Butt Welding 4 30~40 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
Butt Welding 5 20~30 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
1-3 Series Aluminum Alloys Butt Welding 0.5 100~110 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
Butt Welding 1 90~100 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
Butt Welding 1.5 80~90 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
Butt Welding 2 70~80 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
Butt Welding 3 40~50 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
Butt Welding 4 20~30 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
4-7 Series Aluminum Alloys Butt Welding 0.5 80~90 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
Butt Welding 1 70~80 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
Butt Welding 1.5 60~70 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
Butt Welding 2 40~50 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
Butt Welding 3 30~40 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
Copper Butt Welding 0.5 60~70 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
Butt Welding 1 40~50 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
Butt Welding 1.5 30~40 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely
Butt Welding 2 20~30 -1~1 Ar Coaxial/Paraaxial 5~10 Welded Completely

Compatible Materials

Application of 3kW Laser Welding Machines

3kW laser welding machines are built for industries that demand maximum power, speed, and precision in joining medium to thick metals. In the automotive industry, they are used for chassis structures, drivetrain components, battery modules, and body-in-white assemblies that require high-strength, reliable joints. The aerospace sector employs them for welding titanium, nickel alloys, and stainless steel in engine parts, fuselage sections, and structural supports. In shipbuilding and heavy machinery, 3kW laser welding machines deliver deep penetration and robust seams on large steel and aluminum components, ensuring durability under extreme conditions. The energy sector benefits from its ability to produce secure welds in pipelines, wind turbine parts, and power equipment. In defense manufacturing, they support the production of armored vehicles, naval components, and aerospace-grade materials. Across industries, 3kW laser welding machines provide the speed, consistency, and strength needed for high-volume manufacturing and critical applications where weld quality cannot be compromised.
Laser Welding Samples
Laser Welding Samples
Laser Welding Samples
Laser Welding Samples
Laser Welding Samples
Laser Welding Samples
Laser Welding Samples
Laser Welding Samples

Customer Testimonials

Comparison VS Other WeldingTechnologies

Features Laser Welding TIG Welding (GTAW) MIG Welding (GMAW) Plasma Arc Welding
Weld Quality Superior precision, smooth, minimal defects Excellent, very clean Good, but prone to spatter High, may need post-finishing
Heat Input Very low, minimal distortion Moderate, localized Higher, risk of warping Higher than laser, less than MIG
Welding Speed Very fast Slow Faster than TIG Moderate
Penetration Depth High, effective on thin and medium materials Shallow to moderate Moderate, strong on thicker parts Deep penetration possible
Automation Compatibility Excellent, robotics integration Limited automation Compatible, less precise Good automation potential
Material Versatility Wide: stainless, aluminum, copper, titanium, alloys Wide, but struggles on thin sheets Wide, best on medium/thick metals Wide, effective on conductive metals
Setup Time Short with presets, quick changeover Long, requires skill Moderate Longer than MIG
Skill Requirement Low–moderate, user-friendly High, operator expertise needed Moderate High, requires trained operators
Maintenance Low, few consumables High (electrode wear, gas usage) Medium (wire + shielding gas) Higher (gas + electrodes)
Consumables Cost Very low High (tungsten electrodes, gas) Medium (wire, gas) Medium (gas, electrodes)
Operational Cost Low, energy-efficient, less rework Medium Medium High, more energy-intensive
Welding Thickness Range Best for thin to medium sections Thin to medium Medium to thick Medium to very thick
Spatter & Cleanup None or negligible Minimal Significant spatter, cleanup needed Some spatter
Safety Considerations Enclosed systems reduce exposure High UV/IR exposure High arc light + fumes High UV, PPE required
Suitability for Mass Production Excellent, scalable for automation Poor Good, common in production Moderate

Why Choose Us

AccTek Group is a professional manufacturer of laser welding machines, delivering precise, efficient, and reliable welding solutions for a wide range of industries. Our machines are designed to meet the growing demand for high-strength, low-distortion welding in applications such as sheet metal processing, automotive manufacturing, electronics, and aerospace. We combine advanced laser technology with user-friendly design to help businesses improve welding quality, reduce labor costs, and boost production efficiency. Whether you’re handling fine parts or large-scale components, our systems offer the flexibility and performance needed to meet modern manufacturing standards. With a strong focus on quality, innovation, and customer support, AccTek Group is your trusted partner for laser welding solutions.

High Precision

Our machines deliver accurate, clean welds with minimal heat input, reducing distortion and ensuring strong, consistent joints across a wide range of materials and thicknesses.

Easy Operation

Designed with intuitive controls and user-friendly interfaces, our systems allow both experienced operators and new users to achieve professional results with minimal training.

Durable & Reliable

Built with high-quality components and strict quality standards, our welding machines provide stable performance, long service life, and low maintenance requirements.

Custom Options

We offer a variety of models and customizable features to match specific production needs, helping businesses improve workflow and adapt to changing manufacturing demands.

Related Resources

Laser Welding Brass Guide

Laser Welding Brass Guide

This article is a comprehensive guide to brass laser welding, covering welding techniques, parameters, challenges, equipment selection, and best practices for achieving precise, high-quality welds.

Autogenous VS Filler Laser Welding

Autogenous VS Filler Laser Welding

This article explains the differences between autogenous and filler laser welding, detailing their principles, processes, parameters, and applications in industrial manufacturing.

Laser Welding Copper Guide

Laser Welding Copper Guide

A detailed guide to laser welding copper, outlining process modes, parameters, challenges, joint designs, and industrial applications for efficient and high-quality copper welding.

Laser Welding Aluminum Guide

Laser Welding Aluminum Guide

This article explores the process of laser welding aluminum, including key techniques, material properties, safety measures, and productivity considerations for efficient and high-quality welding.

Frequently Asked Questions

How Much Do 3kW Laser Welding Machines Cost?
3kW laser welding machines are high-performance systems designed for medium to heavy-duty welding tasks, making them suitable for industries such as automotive manufacturing, aerospace, construction, and heavy machinery production. The cost of these machines generally ranges between $6,500.00 and $9,200.00, depending on their configuration, features, and included accessories.

  • Entry-Level Models: Machines priced around $6,500 are typically basic versions, offering core welding functions with manual parameter adjustments. These models are ideal for small workshops or businesses handling medium-thickness metals and moderate production volumes.
  • Mid-to-High-End Options: At the higher end of the range, around $9,200, machines come equipped with advanced features such as touchscreen interfaces, automatic wire feeding, smart control systems, and real-time monitoring. These machines are designed for high-speed, precision welding and continuous production, making them ideal for large-scale industrial operations.
  • Additional Costs to Consider: Besides the base price, buyers should budget for accessories and consumables, such as assist gases (argon, nitrogen, helium), protective laser goggles, fume extraction systems, and spare components like nozzles and lenses. Optional services like installation, operator training, and extended warranties may also add to the total investment.

The typical cost of 3kW laser welding machines ranges from $6,500 to $9,200, with pricing determined by the machine’s capabilities and included features. Lower-priced models are suitable for smaller-scale operations, while advanced systems offer greater precision and productivity for demanding industrial applications, providing a strong return on investment.
3kW laser welding machines require substantial electrical power to operate effectively, as they are designed for high-precision and continuous industrial use. The total power consumption comes from two main components: the laser generator and the cooling system.

  • Laser Generator Power: The laser generator is the core of the machine, responsible for creating the high-energy laser beam used for welding. For 3kW laser welding machines, the generator typically consumes 9000W (9kW). This level of power supports deep penetration, fast welding speeds, and the ability to handle thicker materials.
  • Chiller Power: To maintain stable operation and prevent overheating, the machine uses a cooling system. The chiller power is approximately 2710W (2.71kW). This system circulates coolant through the laser source and other key components, ensuring optimal temperature control and extending the machine’s lifespan.
  • Total Power Requirement: When combining the laser generator and chiller, the total power consumption reaches around 11,710W (11.71kW). For safe and stable operation, a reliable power supply with proper circuit protection and voltage regulation is essential to prevent damage caused by electrical fluctuations.

3kW laser welding machines typically consume about 11.71kW of power, with most energy used by the laser generator and the remainder by the cooling system. Facilities should plan for adequate electrical capacity to ensure consistent machine performance and avoid downtime due to power instability.
3kW laser welding machines are safe to use when operated correctly and in compliance with safety guidelines. These machines are equipped with advanced safety features, but because they generate intense heat and powerful laser beams, strict precautions must be followed to protect both operators and the surrounding environment.

  • Laser Radiation Safety: The concentrated laser beam can cause severe eye and skin injuries if proper protective measures are not taken. Operators must always wear laser safety goggles designed for the specific wavelength of the machine. Many machines also include protective enclosures or shields to block stray laser light and minimize exposure risks.
  • Heat and Fire Hazards: The welding process produces high heat that can ignite flammable materials nearby. Keeping the work area clean and free of combustibles is essential. Proper cooling and heat management systems are also important to prevent the machine from overheating during continuous operation.
  • Fumes and Air Quality: Welding certain metals or coated materials can release harmful fumes and gases. A well-ventilated workspace or an efficient fume extraction system is necessary to maintain a safe breathing environment and prevent health issues caused by prolonged exposure.
  • Electrical and Mechanical Safety: Since 3kW laser welding machines draw significant power, a stable electrical supply with circuit protection is required. Regular inspections help prevent electrical faults or component malfunctions that could pose shock or fire hazards.

3kW laser welding machines are safe for industrial use when proper protective equipment, such as laser goggles and heat-resistant clothing, is worn, and when the workspace is equipped with good ventilation and stable power. By following strict safety protocols and performing regular maintenance, operators can minimize risks and ensure safe, reliable welding operations.
Choosing the right 3kW laser welding machines is crucial to ensure efficient production, high-quality welds, and long-term reliability. These machines are designed for medium to heavy-duty industrial applications, so several factors should be considered before making a purchase.

  • Assess Your Welding Requirements: Begin by evaluating the types of materials you will be working with, such as stainless steel, carbon steel, aluminum, or titanium. 3kW laser welding machines are ideal for medium to thick materials and applications that require deep penetration and high-speed welding, such as in the automotive, aerospace, and machinery industries.
  • Evaluate Machine Features: Look for features that improve ease of use and productivity, such as touchscreen controls, automatic wire feeding, intelligent parameter settings, and real-time monitoring systems. A reliable cooling system is also essential to maintain stable performance during long production runs.
  • Check Build Quality and Safety Systems: The machine should be constructed with durable components and have built-in safety features, including emergency stop switches, laser shielding, and fume extraction systems. Machines that comply with international safety standards offer greater operator protection.
  • Consider Supplier Support and Warranty: Choose a reputable supplier that provides installation services, operator training, spare parts availability, and ongoing technical support. A comprehensive warranty will help protect your investment and minimize downtime.
  • Budget and Value: The typical price range for 3kW laser welding machines is $6,500 to $9,200. While it is important to stay within budget, focus on overall value, including durability, performance, and after-sales service, rather than just the initial cost.

When selecting 3kW laser welding machines, consider your material requirements, desired features, build quality, and supplier reliability. A well-chosen machine will deliver precise, efficient welding and a strong return on investment, supporting long-term industrial growth.
3kW laser welding machines are powerful and versatile, but they also have disadvantages that must be considered before investing. These drawbacks are related to cost, operational complexity, and specific material limitations, which can affect their suitability for certain applications.

  • High Initial Cost: These machines are more expensive than lower-powered models, with prices typically ranging between $6,500 and $9,200. For small businesses or workshops, this higher upfront investment may be challenging, especially when factoring in the cost of accessories, assist gases, and maintenance.
  • Energy Consumption: 3kW laser welding machines have a total power consumption of around 11.71kW, including both the laser generator and cooling system. This higher energy demand leads to increased operational costs and requires a stable, well-protected electrical setup.
  • Limited Thickness Range: While 3kW laser welding machines are suitable for medium and thick materials, they may struggle with extremely thick metal plates, resulting in incomplete penetration or slower welding speeds. In such cases, a higher-powered machine may be necessary.
  • Training and Skill Requirements: Operating 3kW laser welding machines safely and effectively requires specialized training. Improper use can lead to welding defects, machine damage, or safety hazards, making operator education a vital part of setup.
  • Maintenance Demands: The machine’s optical components, cooling system, and consumables require frequent inspection and replacement. Neglecting maintenance can lead to performance decline, costly repairs, or reduced machine lifespan.
  • Safety Risks: Due to the machine’s high power, there are significant risks, including eye injuries, burns, and exposure to harmful fumes. Proper PPE, ventilation, and laser shielding are essential to minimize these hazards.

The disadvantages of 3kW laser welding machines include high purchase and operating costs, limited suitability for very thick materials, the need for skilled operators, and regular maintenance demands. While these machines deliver excellent precision and productivity, they require careful planning, training, and ongoing investment to operate safely and effectively.
3kW laser welding machines are powerful and efficient, but they can encounter certain operational problems if not used or maintained correctly. These issues may affect weld quality, machine performance, and workplace safety. Understanding potential problems can help operators prevent costly downtime and maintain consistent results.

  • Welding Quality Issues: Incorrect parameter settings, such as laser power or welding speed, can cause defects like incomplete penetration, burn-through, or weak weld joints. Misaligned optics or a dirty lens may result in uneven seams and poor precision. Additionally, unstable wire feeding during filler welding can create inconsistent welds or excessive spatter.
  • Material-Related Challenges: Highly reflective materials like aluminum, brass, and copper can reflect the laser beam, potentially damaging internal optical components. Contaminated workpieces with rust, oil, or coatings may produce porosity, weak welds, or poor surface finish.
  • Cooling System and Overheating Problems: The laser source generates significant heat, and if the cooling system fails or coolant levels are low, the machine may overheat, leading to shutdowns or permanent damage. Regular checks of coolant flow and temperature are critical for reliable operation.
  • Electrical and Mechanical Failures: 3kW laser welding machines require a stable power supply. Voltage fluctuations or unstable electricity can disrupt operations and harm sensitive electronics. Worn or damaged mechanical parts, such as nozzles and lenses, can reduce efficiency and increase maintenance costs.
  • Safety Risks: Without proper fume extraction, harmful gases and particulates can accumulate, posing respiratory hazards. Failing to follow safety protocols may lead to eye injuries, skin burns, or even fires caused by intense laser energy and high heat.

Common problems with 3kW laser welding machines include weld defects, material incompatibility, overheating, electrical issues, and safety hazards. Routine maintenance, proper setup, and strict safety practices are essential to prevent these issues and ensure reliable, high-quality welding results.
3kW laser welding machines are built for long-term industrial use, offering reliable performance and a strong return on investment when properly maintained. Their service life depends on the quality of components, operating conditions, and regular maintenance practices.

  • Laser Source Lifespan: The laser source is the most durable and vital part of the machine. Under normal operating conditions, it typically lasts 80,000 to 100,000 working hours. This translates to several years of use, even in demanding production environments, provided the machine is operated within recommended parameters.
  • Supporting Components: Other critical parts, such as optical lenses, nozzles, and cooling systems, have a shorter service life and require routine inspection and replacement. Neglecting these components can lead to performance loss and reduced weld quality.
  • Maintenance and Usage Impact: Machines used continuously or in harsh industrial settings may experience faster wear. However, following a scheduled maintenance plan, including cleaning optics, checking coolant levels, and replacing consumables, can significantly extend the machine’s operational life.

3kW laser welding machines can remain reliable for many years, with the laser source itself often lasting up to 100,000 hours. By maintaining the machine regularly and operating it in a stable environment, businesses can maximize productivity, reduce downtime, and ensure consistent, high-quality welding results.
Proper maintenance of 3kW laser welding machines is essential to ensure stable performance, extend service life, and maintain consistent weld quality. Regular upkeep prevents unexpected breakdowns, reduces repair costs, and keeps the machine operating safely in demanding production environments.

  • Daily Cleaning and Inspection: Operators should clean optical lenses and protective covers to prevent dust, debris, or welding spatter from reducing the laser beam’s precision. The welding head and nozzles should be checked daily for buildup that could block gas flow or distort welds. Keeping the work area clean helps prevent contamination of sensitive machine parts.
  • Cooling System Maintenance: The chiller unit plays a vital role in temperature control. Regularly check coolant levels, clean filters, and inspect hoses for leaks or blockages. Using clean, high-quality coolant prevents corrosion inside the cooling system and protects the laser source from overheating.
  • Optical Component Care: Lenses, mirrors, and protective windows should be inspected frequently for scratches, residue, or damage. Replacing worn or damaged optics ensures stable laser output and consistent weld penetration.
  • Electrical and Mechanical Checks: Inspect all electrical connections, cables, and grounding systems to prevent shocks or malfunctions. Mechanical components, such as wire feeders and moving parts, should be lubricated and checked for wear to maintain smooth, reliable operation.
  • Scheduled Preventive Maintenance: Follow the manufacturer’s recommended maintenance schedule for replacing consumables like nozzles, seals, and filters. Periodic professional servicing ensures calibration accuracy and prolongs the life of the laser source and other critical parts.

Maintaining 3kW laser welding machines requires daily cleaning, careful monitoring of the cooling and optical systems, and regular inspection of electrical and mechanical components. By following a structured maintenance plan, operators can prevent costly downtime, ensure high-quality welding, and maximize the machine’s longevity.

Get Laser Welding Solutions

Choosing the right laser welding machine is about more than just power—it’s about finding a solution that matches your materials, production goals, and budget. Our laser welding machines are built to deliver precision, speed, and efficiency, whether you’re producing high-volume automotive parts, delicate medical devices, or custom metal fabrications. From handheld models that simplify on-site repairs to fully automated systems that integrate seamlessly into production lines, we provide solutions tailored to your exact needs.
Our team of experts is ready to help you select the right machine, optimize your workflow, and ensure long-term performance with training and technical support. With advanced safety features, low operating costs, and compatibility with a wide range of metals, our laser welding solutions give you the competitive edge you need.
Take the next step toward cleaner, faster, and stronger welds—get in touch today to explore the laser welding solution that’s right for you.
* We value your privacy. AccTek Group is committed to protecting your personal information. Any details you provide when submitting the form will be kept strictly confidential and used only to assist with your inquiry. We do not share, sell, or disclose your information to third parties. Your data is securely stored and handled by our privacy policy.
AccTek Logo
Privacy Overview

This website uses cookies so that we can provide you with the best user experience possible. Cookie information is stored in your browser and performs functions such as recognising you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful.