Which welding machine is suitable for continuous welding?

Many manufacturers face challenges when they need to weld long seams. Pulsed or low-power welders often cause interruptions, cracks, or defects. I know the frustration of watching downtime increase and productivity decrease because the wrong equipment was chosen.

A continuous wave (CW) fiber laser welding machine is the best choice for continuous welding because it offers steady output, deep penetration, and reliable quality, especially in industrial environments.

I have seen how choosing the wrong machine holds back growth. On the other hand, switching to a CW fiber laser welding machine from Kirin Laser can solve those issues, cut costs, and deliver better results. Let’s explore why.

continuous laser welding machine
continuous welding with laser

What welder can weld everything?

Many newcomers hope one welding machine can do it all. They feel confused by the wide range of choices and worry about making an expensive mistake. I had the same concern when I started in the industry.

No single welder can handle every task perfectly. But a high-power CW fiber laser welding machine covers a wide range of applications, from thin sheets to thick metal seams, with great efficiency and reliability.

Why Versatility Matters

Versatility reduces the need for multiple machines. It saves costs and simplifies production lines. While no machine truly does everything, a CW fiber laser welding machine1 comes closest to being universal in modern manufacturing.

Comparison of Welding Machines

Welding Machine Strengths Weaknesses
Stick Welder Cheap, works outdoors Limited control, more defects
MIG Welder Good for steel, fast Not ideal for precision jobs
TIG Welder Precise, clean finish Slower, high skill requirement
Pulsed Laser Fine details, thin sheets Not good for long seams
CW Fiber Laser High power, continuous welds, versatile Higher initial cost, needs stable cooling

Going Deeper into Versatility

A CW fiber laser welding machine combines high power2 with precise beam quality3. This allows it to weld stainless steel, carbon steel, aluminum, and even copper. With proper parameter settings, one system can handle automotive brackets in the morning, medical parts in the afternoon, and industrial tubing at night. Cooling systems keep the laser source stable for hours without overheating. Beam delivery systems ensure the energy density stays consistent, so weld seams remain smooth even across long joints.

In my own journey, I once had to supply a batch of custom stainless brackets and aluminum housings within the same week. With traditional welders, I needed multiple setups and wasted time switching. With a CW fiber laser from Kirin Laser, I completed both jobs with a single machine. This adaptability gave me an edge over competitors who lacked flexible equipment.

laser welding flexibility
versatile laser welding machine

What are the 7 types of welding machines?

When I first entered this field, I was overwhelmed by the many welding machine names. It seemed like too many to remember. But understanding the basics helped me choose the right direction.

The seven types of welding machines are Stick (SMAW), MIG (GMAW), TIG (GTAW), Plasma Arc, Electron Beam, Resistance, and Laser Welding Machines. Each has strengths and weaknesses depending on the material and job.

Exploring the Types

Each type exists for a reason. Some work better outdoors, some excel in precision, and some in heavy-duty industries. Knowing the differences helps a business avoid poor investments.

The Seven Types Explained

Type of Welder Typical Use Case Pros Cons
Stick (SMAW) Construction, pipelines Cheap, portable Messy welds, more rework
MIG (GMAW) Automotive, fabrication Fast, easier for beginners Not precise enough for high-end parts
TIG (GTAW) Aerospace, medical devices Very precise, clean welds Slow, requires skill
Plasma Arc Specialized cutting and welding High temperature, precision Expensive, complex
Electron Beam Aerospace, nuclear Deep penetration, strong joints Needs vacuum, very costly
Resistance Welding Automotive mass production Fast, low-cost for thin sheets Limited to sheet metals
Laser Welding Electronics, automotive, medical Precise, flexible, scalable Higher initial investment

Why Laser Welding Stands Out

Laser welding combines multiple strengths from other technologies without their major weaknesses. Unlike TIG4, it is not slow. Unlike MIG, it is extremely precise. Unlike electron beam, it does not need vacuum chambers. The continuous wave fiber laser welding machine5 brings together high speed, deep penetration, and minimal heat-affected zones. With automation integration, laser welding scales easily for industrial production. That is why more companies are replacing older methods with modern fiber lasers.

I remember walking through a factory that produced both consumer electronics and industrial enclosures. They used MIG6 welders for one line and TIG for another. Downtime between setups and rework costs ate into their margins. After adopting Kirin Laser systems, they streamlined both lines with laser welding, increasing productivity and reducing scrap dramatically.

welding machine types
different types of welding machines

Which type of welding is best for long continuous welds and is the most common type of industrial welding?

Many industrial suppliers run into problems when they rely on pulsed welding. Long seams fail, cracks appear, and clients lose trust. I have seen factories stop production for days because of these issues.

The best welding type for long continuous welds is continuous wave (CW) fiber laser welding. It is now one of the most common types of industrial welding because it combines speed, deep penetration, and consistency.

Why CW Fiber Laser Welding Dominates

CW fiber lasers7 deliver steady output. This reduces thermal stress and avoids cracks. Their deep penetration ensures strong joints, even for thick materials. These features make them reliable in mass production.

Advantages of CW Fiber Laser Welding

Feature Benefit for Continuous Welds
Steady Beam Uniform seams without interruption
High Power Works with thick metals, deep penetration
Small HAZ Less distortion, higher-quality finish
Low Downtime No frequent stops like pulsed systems

Real-World Example

One midsize automotive supplier I worked with had a major problem. Their pulsed lasers caused cracked seams on exhaust parts. After switching to a Kirin Laser CW fiber laser welding machine, seam strength improved, throughput increased by 30%, and scrap dropped sharply. This transformation restored client confidence and expanded their orders.

Technical Depth

The secret lies in stable power delivery and efficient cooling systems. CW fiber lasers maintain beam quality even when welding long seams on thick materials. The optical fiber delivery ensures minimal energy loss, while advanced chillers keep the system stable. The result is not only strong joints but also a very small heat-affected zone (HAZ)8. This prevents warping and reduces post-weld finishing. Over weeks and months, this stability saves countless hours of labor.

continuous fiber laser welding
fiber laser for continuous welds

How do I choose the right welding machine?

Choosing a machine is not easy. Many managers get lost between price tags, brochures, and technical jargon. I made poor choices early on, which cost time and money.

The right welding machine depends on the material, thickness, production volume, and desired precision. For long, continuous welding in industries like automotive and electronics, a CW fiber laser welding machine is the ideal solution.

Key Considerations

Choosing is not only about cost. It is about long-term value9, reliability, and matching the machine to production needs. From Kirin Laser’s perspective, this means helping clients find balance between investment and performance.

Selection Criteria

Factor Why It Matters Kirin Laser Solution
Material Type Different metals need different approaches Fiber lasers adapt to steel, aluminum
Thickness Thicker materials need higher power High-power CW fiber lasers available
Production Volume High volume needs stable continuous output Designed for 24/7 industrial use
Precision Needs Industries like medical need perfect seams Small HAZ and accurate beam control
Budget Must consider ROI and long-term savings Lower scrap, less labor, faster payback

Digging Deeper into Decision Making

When I guide clients, I often ask a series of questions. What materials are you working with daily? How often do you face rework because of defects? What are your future growth plans? These questions reveal whether a basic system is enough or if a high-power CW fiber laser is required.

Cooling technology also plays a big role. Without efficient chillers, even the best laser source suffers downtime. Kirin Laser integrates advanced cooling systems10 that keep operations steady for long shifts. Beam delivery systems with adjustable focus help adapt to different weld geometries. Automation compatibility makes it easier to integrate into robotic arms, which many industries rely on today.

I recall a customer in electronics manufacturing who hesitated because of upfront costs. After switching to a Kirin Laser system, they cut rework time by 40%, saved on labor, and achieved payback within 18 months. That is how the right choice becomes a long-term advantage.

choosing welding machine
selecting the right welding machine

Conclusion

Continuous welding11 demands a machine that can handle pressure without stopping. CW fiber laser welding machines provide stable output, deep penetration, and reliability. From my work with Kirin Laser, I have seen how switching to the right machine transforms productivity, reduces scrap, and secures client trust. For any industrial supplier aiming at long seams and higher output, CW fiber laser welding is the answer.


  1. Explore the advantages of CW fiber laser welding machines to understand their versatility and efficiency in modern manufacturing. 

  2. Learn how high power in laser welding enhances performance and productivity, making it a crucial factor in manufacturing. 

  3. Discover the significance of precise beam quality in welding processes and how it impacts the final product quality. 

  4. Learn about TIG welding's precision and its applications, helping you understand when to choose this method for your projects. 

  5. Uncover the technology behind fiber laser welding machines and their impact on efficiency and quality in manufacturing. 

  6. Explore the pros and cons of MIG welding to see if it's the right choice for your fabrication needs. 

  7. Explore the advantages of CW fiber lasers to understand their impact on welding quality and efficiency. 

  8. Learn about HAZ to grasp its significance in welding processes and how to minimize its effects. 

  9. Understanding long-term value can help you make informed decisions that enhance productivity and reduce costs over time. 

  10. Learn how advanced cooling systems can minimize downtime and enhance the reliability of laser operations. 

  11. Learn more about laser welding machine and laser welding splutions from Kirin Laser, clicking this link to get all your needs for your business.  

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Mark at Kirin Laser

Hey! I’m the author of this post. With over 16 years in the laser machinery field, we’ve supported businesses in 28 countries, partnering with 280+ clients to deliver bespoke laser solutions.  Contact us for a free quote and discover how our tailor-made, cost-effective solutions can elevate your business. 

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