Application in Stainless Steel Products
Fiber laser marking technology is an ideal choice for processing stainless steel products. It provides a non-contact, high-precision marking method that ensures the identification is permanent and will not fade due to time, wear, or chemical substances.
High precision fiber laser marking
Say goodbye to the defects of traditional ink printing that are prone to wear, chemical corrosion, or mechanical engraving damage to the surface of the product. We provide high-precision fiber laser marking solutions, customized for permanent and high-quality identification of stainless steel products.
- We focus on using advanced laser technology to achieve clear, durable, and non-contact markings on stainless steel surfaces, including:
- Color changing marking (laser annealing): Generate markings in different colors such as black, brown, blue, etc. without damaging the surface finish.
- Deep carving/shallow carving marking: marking product traceability information such as serial number, batch number, production date, etc.
- High definition patterns: Marking complex logos, barcodes, and QR codes (such as UDI codes).
- Corrosion resistance certification: Marking medical devices, tableware, and other items with extremely high requirements for cleanliness and durability.
Realize permanent identification, maximize efficiency, enhance product added value, ensure brand traceability and information integrity of stainless steel products, and significantly enhance product market competitiveness.
Handheld laser marking machine
Portable laser marking machine
Desktop laser marking machine
Metal laser marking machine
If you need to customize the functionality and appearance of the product, please contact us and we will provide you with the best solution
The principle and advantages of laser marking technology in the application of stainless steel
1. Definition and advantages
We use high-energy fiber laser beams to focus on the surface of stainless steel, and use extremely short pulses to instantly change the molecular structure of the material surface or trigger oxidation reactions, thereby achieving clear and permanent labeling. As a non-contact, consumable free, and chemical residue free green processing solution, laser marking can effectively protect the original smoothness and corrosion resistance of stainless steel products, making it an ideal choice in the fields of electronics, medical devices, and high-quality hardware manufacturing.
2. Application focus
Traditional methods such as mechanical engraving, stamping, or ink spraying often result in stress on the surface of stainless steel, leaving burrs or marks that are prone to detachment, and even contaminating the product. We focus on designing high standard, high-quality permanent signage solutions. Our core applications include:
- Permanent traceability mark: Accurately mark the serial number, batch number, and production date to ensure the traceability of the entire product lifecycle from production to consumption.
- Brand and aesthetic enhancement: Using laser annealing (color changing marking) technology, different colored logos and patterns are generated on the surface of stainless steel to enhance product added value and brand image.
- Ultra fine marking: Surface pre-treatment or marking of medical devices, precision parts, etc. at the micrometer level to ensure that key details are not damaged.
Through efficient and precise laser marking, we are able to give stainless steel products clear and durable markings, significantly extending the durability of the markings and enhancing the overall value and competitiveness of the products.
Operation process and standards of fiber laser marking machine
To achieve high-quality and permanent labeling on stainless steel, it is necessary to strictly follow the following operating steps and standards to ensure high clarity of the marking effect and zero damage to the product:
Marking process
Our marking process follows high precision and industrial standards to ensure no damage to stainless steel products and excellent marking effect:
Laser generator⇒High precision beam transmission system⇒Focusing mirror/galvanometer system⇒Focusing on stainless steel surface⇒Instant oxidation/annealing/etching⇒Perfect, clear, and permanent identification
Core operational steps
1. Determine material characteristics and identification requirements: Firstly, accurately analyze the stainless steel grade (such as 304, 316, etc.) and the customer’s identification type (such as black annealing, deep carving, QR code), which is the basis for setting marking parameters.
2. Fine parameter adjustment (core): Based on the material analysis results and the required marking effect, adjust the pulse width, frequency, power, and marking speed of the laser to ensure that the depth, color, and clarity of the marking meet the requirements, while not damaging the corrosion-resistant layer on the stainless steel surface.
3. Non contact marking: Through a galvanometer system (Handheld or automated equipment), the laser beam is precisely controlled to scan the stainless steel marking area at high speed, completing non-contact high-precision pattern or text marking.
4. Real time effect monitoring: During the marking process, the color, clarity, and depth changes of the markings are monitored in real time through visual inspection or machine vision systems to ensure that the marking quality and effect fully meet the requirements of industrial or medical standards.
Customized Marking for Complex Surfaces
Our high-energy laser pulses can instantly achieve precise marking on various complex and non planar stainless steel surfaces. This non-contact technology can thoroughly mark serial numbers, UDI codes, brand logos, and warning information on stainless steel surfaces
Depth and Clarity for Precision Components
Unlike traditional stamping or corrosion marking, we are able to identify stainless steel precision parts, medical devices, and marine metal components with micrometer level accuracy. This is crucial for marking small text in a limited space or for marking components that require high wear resistance.
Surface Pretreatment and High-Adhesion Marking
Laser marking technology can accurately apply to the area to be marked, removing extremely small residual oil, dust, or salt. By precisely controlling laser parameters, we can even achieve ideal micro roughness, which is crucial for markings that require extremely high stability, such as UDI codes on medical devices.
Safely Removing Old Coatings and Dirt Layers
It is crucial to safely remove old, multi-layer paint, protective coatings, or oxidized dirt layers from stainless steel products that require re labeling or covering of old markings. We can precisely control the depth of laser action, only vaporizing old coatings or dirt layers without damaging the stainless steel substrate.
Six reasons to choose fiber laser marking machine for stainless steel marking
Quickly Shorten Production Time
Our high-efficiency laser marking technology can quickly complete the identification work of stainless steel products, greatly reducing manual operation and curing waiting time (such as ink), thereby minimizing your production cycle and allowing products to enter the market faster.
Zero Pollution Green Manufacturing
We follow the highest environmental standards, and the laser marking process does not require the use of any chemical reagents, inks, or consumables, providing you with a green, sustainable, and responsible labeling solution that does not produce any secondary pollutants.
Non-Destructive Stainless Steel Protection
Our laser beam is precisely controllable and designed specifically for sensitive materials, ensuring that permanent identification is completed without damaging the original smoothness, corrosion resistance layer, or metal substrate of stainless steel.
Restore Optimal Brand Traceability
Accurately removing various marking restrictions (such as small fonts and complex graphics), significantly improving the clarity, durability, and information density of identification (such as high-density QR codes), helping your stainless steel products achieve the highest brand recognition and traceability.
Dual Safety of Operation and Product
Adopting non-contact marking, without high pressure and wear, not only ensures the safety of operators, but also avoids potential mechanical damage to stainless steel structures that may be caused by traditional mechanical engraving.
Long-Term Maintenance Cost Optimization
By extending the lifecycle of the logo (permanently non shedding, non fading) and reducing the use of chemicals and consumables such as ink and solvents, we bring you sustainable long-term economic benefits.
Get exclusive stainless steel laser marking solution
Submit your stainless steel product model, material grade, and marking requirements immediately, and we will customize the most suitable Cofun fiber laser marking machine solution for you to meet your high standards for identification clarity, durability, and production efficiency.
Non destructive laser marking case of stainless steel products
Fiber laser marking is the best choice for permanent identification of high-quality stainless steel products. By precisely adjusting the laser parameters (pulse width, frequency, and power), we are able to mark batch numbers, serial numbers, brand logos, and heavy-duty QR codes (such as UDI) on stainless steel surfaces in a completely non-contact manner, without damaging the original corrosion-resistant coating or surface finish of the material.
This provides an ideal micrometer level permanent identification foundation for stainless steel products, ensuring that subsequent products can maintain clear information, non fading, and non shedding in harsh environments such as high temperature, high humidity, and corrosion, significantly improving product traceability, safety, and added value.
Key criteria for selecting fiber laser marking machine suppliers
1. Core technical capabilities and marking professionalism
Laser source and power: Evaluate whether the laser provided by the supplier has a high stability and high beam quality fiber laser, which is the key to achieving high-definition and permanent color change marking (laser annealing) on stainless steel. At the same time, it is required that the beam has excellent stability and spot uniformity to ensure the consistency of the marking effect.
Control system accuracy: The control system provided by the manufacturer must be able to achieve micrometer level depth control, which is the core guarantee to ensure that sensitive stainless steel surfaces (such as high smoothness, medical grade surfaces) are not damaged during marking.
Equipment reliability and integration: Confirm whether the equipment has industrial environmental adaptability, such as dust-proof and seismic design, and whether it can be easily and efficiently integrated into your existing automated production line.
2. Industry application experience and customization capability
Deep application cases: Investigate whether the supplier has successful experience in handling various application cases of stainless steel, such as UDI codes for medical devices, serial numbers for automotive parts, or logo color changing marking for high value-added tableware.
Equipment customization capability: Inquire with the manufacturer if they can flexibly adjust the optical path, spot size, marking range, and provide handheld/automated marking heads to meet the identification needs of different types of stainless steel products (such as curved surfaces and small parts).
3. Comprehensive after-sales service and long-term guarantee
On site installation and training: Confirm whether the manufacturer can provide on-site installation guidance and operation training to ensure that your maintenance or operation team can quickly and safely master the operation and daily maintenance of the equipment.
Fast response and component supply: Laser equipment is a precision instrument. Evaluate the manufacturer’s ability to respond quickly to faults and provide long-term spare parts to ensure that your production plan is not interrupted by equipment downtime.
Why choose us: Cofun fiber laser marking machine
With our profound accumulation in the field of high stability laser equipment manufacturing, we not only provide high-precision and high-efficiency fiber laser marking machines, but also provide comprehensive application guarantees and solutions for your stainless steel product identification.
- Inheritance and reliability of laser technology: We derive from a deep understanding of high standard fiber laser technology, ensuring that our marking machines have excellent beam stability and an extended service life
- Quick response and customized services: Our engineering team can quickly respond to customer needs and customize the most suitable marking parameters and automation integration solutions based on your stainless steel grade, identification requirements, and production environment.
Choosing Cofun means choosing stable and reliable equipment and professional customized labeling solutions to ensure that your stainless steel products are clearly and permanently labeled, thereby enhancing the market competitiveness of your products.
FAQ
Will laser marking damage the corrosion resistance of stainless steel?
No. High quality fiber laser marking machines (such as Cofun’s products) adopt non-contact processing and use * * “laser annealing” technology to only change color on the extremely shallow surface without damaging the deep crystal structure of stainless steel, thus having minimal impact on the original corrosion resistance of stainless steel. This is particularly important in medical devices and food grade stainless steel applications.
What are the core advantages of laser marking compared to traditional ink coding or mechanical engraving?
The core advantages are permanence, high precision, and low cost.
- Permanent: The mark does not fade or fall off, meeting the requirements of product traceability.
- High precision: It can easily mark extremely small text and complex high-density QR codes (such as UDI codes).
- Low cost: No need for ink or consumables, extremely low maintenance costs, fast speed, and high efficiency.
Can laser marking machine mark different grades of stainless steel? For example, 304 and 316?
Okay. The fiber laser marking machine is suitable for all common grades of stainless steel (including 304, 316, 430, etc.). Different grades of stainless steel have slightly different alloy compositions, so it is necessary to adjust the frequency, speed, and power parameters of the laser during marking to achieve the best marking effect and color. Cofun can provide a customized parameter library.
Is laser marking safe on stainless steel tableware and kitchenware?
Absolutely safe. Laser marking is a non-contact and chemical free processing method. Especially the black mark generated by “laser annealing” is essentially an inert oxide, which meets the safety requirements of food contact materials and is the preferred solution for high-end stainless steel tableware and kitchenware brand identification.
What is the maintenance and service life of your Cofun fiber laser marking machine?
Our fiber laser marking machine uses high-quality laser light sources and typically has a maintenance free working life of up to 100000 hours. The device itself has the characteristics of simple structure, small size, and no consumables. It only needs to keep the optical lenses clean in daily life, and the maintenance cost is extremely low.
