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In recent years, laser welding has become one of the most interesting metal processing technologies thanks to its ability to create small, strong welds with almost no product deformation. Not only popular in modern manufacturing, laser welding is particularly favored in the jewelry field – a place demanding sophistication, aesthetics, and extremely high precision.
This article will help you clearly understand what laser welding technology is, its operating principles, and why an increasing number of gold shops, crafting workshops, and mechanical enterprises are choosing this technology.
Laser welding is a method that utilizes a high-energy density laser beam to melt material at the location requiring bonding.
The laser beam is focused into a very small point, creating heat quickly and powerfully enough to melt the metal, which then solidifies into a sturdy weld. The advantage of this method lies in the precise concentration of energy, resulting in beautiful welds, minimal deformation, and no impact on the surrounding area.
When the laser beam shines on the metal surface, the affected area heats up instantly and melts into a liquid state. When the beam stops projecting, the metal cools down and binds together.
The worker can adjust power, pulse width, frequency, or focus depth to suit each specific type of material. Thanks to this ability to control energy precisely, laser welding technology can handle very tiny details that traditional welding methods find difficult to execute.
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The following table compares the two technologies:
| Criteria | Laser Welding | Traditional Welding |
| Precision | Laser beam focuses small; suitable for fine details and narrow positions. | Precision depends on the welder’s skill; suitable for large or medium details. |
| Heat Impact | Small heat-affected zone; spreads very little to surrounding areas. | Heat spreads wider because the welding tip directly contacts the material. |
| Aesthetics | Small weld, minimal burrs, usually requires less reworking. | Larger weld; finish level depends on material and technique used. |
| Operation Speed | Fast working thanks to the laser pulse mechanism. | Stable speed. |
| Bond Strength | High durability when laser parameters are set correctly. | Stable, especially with thick materials. |
| Small Detail Capability | Good; suitable for exquisite work like jewelry. | Limited on extremely small details because heat spreads wider. |
| Material Range | Works well on precious metals and thin alloys. | Works well on thick steel and large structures. |
| Application Fields | Jewelry, electronics, medical, precision mechanics. | Heavy mechanics, steel structures, machinery repair, industrial fabrication. |
Through the comparison table, it can be seen that each technology has its own advantages33. Laser welding fits work requiring sophistication, low heat spread, and high aesthetics, while traditional welding fits thick materials, large details, and general industrial environments better34.
The choice of method depends on the product type, aesthetic goals, materials, and production scale of each business.

In the jewelry industry, laser welding is considered one of the important technologies in modern jewelry making, especially for operations requiring high precision and aesthetics.
Jewelry shops use laser welding to repair chain links, weld ring shanks, restore stone settings, or treat small pits on jewelry surfaces. A special feature is that the laser beam does not affect the attached gemstones, helping jewelers easily handle products with many complex details.
In the crafting stage, laser welding helps shape super small details, ensuring high precision while maintaining durability. High-end jewelry sets requiring great meticulousness are often produced with support from this technology due to its ability to create beautiful, clean, and uniform welds.
>> See more: 200W Laser Welding Machine – An Indispensable Tool for the Jewelry Industry
In the mechanical field, laser welding is used to produce electronic components, battery casings, sensor parts, or small electronic circuits. High precision helps ensure quality and durability for super small details in the electronics industry.
In large industries like automotive and aviation, laser welding technology meets technical requirements regarding durability, weld depth, and stability. Materials such as stainless steel, titanium, or special alloys can all be processed by laser.
In the medical field, this technology is also used to weld surgical instruments and implant devices demanding absolute cleanliness and precision.

Many units that were previously accustomed to using traditional welding methods have now switched to laser welding thanks to the clear benefits.
If a business needs products with high aesthetics, requires large precision, or frequently has to handle small details, laser welding is the optimal choice. For gold shops or crafting workshops, this technology helps shorten repair time, enhance quality, and improve the customer experience. For mechanical workshops, laser welding brings high productivity and limits errors, creating clear economic value.
DC New Technology provides diverse types of welding machines; some typical lines widely used in the market include: PUK6 Welding Machine, LaserX 80W Welding Machine, Master 4.0 Desktop Laser Welding Machine, etc..
As a business with over 25 years of experience in the jewelry and industrial sectors, DC Technologies provides diverse laser welding machine lines meeting many segments, from small gold shops to large-scale production workshops.
Customers choosing DC Technologies not only receive equipment but are also supported with training, detailed guidance, and solution consulting suitable for their actual need. The company’s experienced technical team is always ready to support, ensuring the machine operates stably and achieves the highest efficiency.
Laser welding technology is becoming an inevitable trend in modern manufacturing, especially at gold shops and mechanical workshops needing high precision. Thanks to the ability to create beautiful, durable, and fast welds, this technology brings great value to businesses.
DC Technologies is proud to accompany customers on the journey of improving product quality and optimizing production efficiency.
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