Laser Marking Machines for Electric Vehicles

Laser Systems for the Electric Vehicle Industry

Laser Marking Technologies, LLC provides innovative laser systems for the electric vehicle (EV) industry. We’ve developed solutions to enhance EV production efficiency and address critical challenges in this evolving industry.

About Electric Vehicle Laser Marking

Laser Marking Technologies is a leading EV laser provider for the industry, with high-quality products and over 100 years of collective laser experience. We have optimized our laser ablation and laser cleaning machines to become the industry-leading option for EV battery laser marking.

EV manufacturers utilize lasers to mark logos and part numbers, serialize, texturize and clean various materials, such as:

Anodes
Batteries
Bus bars
Cathodes
DC to DC converters
Electric drive units (EDUs)
Electrodes
Front and rear cameras
Insulation
Inverters
Millimeter wave radar
Sonar sensors

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Addressing Industry Challenges and Needs

As the EV industry continues to grow rapidly, manufacturers are presented with unique challenges and needs. At Laser Marking Technologies, we have designed our laser solutions for EVs around those needs and to help you resolve industry-related challenges, such as:

Traceability and compliance: EV manufacturers are subject to stringent quality control and traceability requirements. Our lasers create intricate markings that facilitate compliance with industry regulations and ensure traceability throughout the EV’s life cycle.
Battery safety and reliability: Our laser machines for EV batteries are designed to maintain the safety and reliability of the components, even after marking. Since the lasers do not compromise the material’s integrity, they ensure the functionality of EV batteries and components.
Surface preparation for bonding and welding: A well-prepared, clean surface is required to ensure strong connections between EV components. Our laser systems provide a precise and efficient EV battery laser cleaning method, preparing the surface for bonding and welding with other parts.
Marking durability and legibility: Electric vehicles are exposed to harsh conditions, making it crucial for their markings to be able to withstand the elements and remain legible. We develop laser systems that meet those demands by creating durable, long-lasting markings.

What Do Our EV Battery Laser Machines Do?

Our EV laser machines are designed for several purposes, including:

Texturizing surfaces: Lasers optimize the texturing of surfaces to gain friction areas and improve bonding strength on adhesion surfaces. Our easily controlled machines have smart vision systems to help you pinpoint exactly what areas need the texturing.
Cleaning batteries: We also have systems for EV battery laser cleaning, which is effective for cylindrical, prismatic, pouch and blade battery cells. Laser cleaning is highly precise and repeatable, with minimal risk of damage and no contact with the product. Cleaning allows the surface to weld, solder and wire bond to materials better by removing contaminants such as oil, grease and dirt.
Adding codes: Many EV manufacturers use lasers to mark code and serial numbers on the battery cover, electrodes and other components. This data is essential for traceability throughout and after the manufacturing process.
Adding aesthetics: Lasers can also add designs, slogans, logos and other aesthetics to the EV part.

Resources for more information on the electric vehicle industry:

Laser Solutions for the Electric Vehicle Industry

Laser Marking Technologies designs and manufactures cutting-edge laser machines for EV components that are compatible with an array of materials and suitable for various applications. Explore system applications and techniques for our laser solutions in the EV industry:

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Laser Color Marking

Laser color marking uses a specific focused beam to create durable, high-contrast marks on surfaces like plastics and metals used in EVs. The colors can vary depending on the material’s composition. Markings are usually identifiers, such as barcodes and serial numbers. This technique also works for branding or conveying safety information on certain parts.

Laser Annealing

Laser annealing involves controlled heating of materials without disrupting the surface. The method works by forming a layer of oxidation on the surface, which darkens as the material cools. Laser annealing is ideal for creating colorful and long-lasting markings on steel and titanium EV parts.

Laser Engraving

Laser engraving and etching are precision techniques that concentrate laser beams to remove parts of the materials from the surface to create markings. The deep engraving process leaves behind a marking you can see and feel. These methods are often used for detailed designs, serial numbers and barcodes on EV components.

Laser Welding

Laser welding usually involves a continuous wave laser used to melt and fuse two or more pieces together. This method is particularly effective for creating high-quality welds that are crucial for EV batteries and other structural components. Laser welding ensures durability while improving production efficiency.

Why Choose Our Machines?

Laser Marking Technologies has EV laser machines to provide the best quality markings at the most cost-effective prices. We have developed our machines to be the best in the industry. Our systems are also the easiest to use, and we can train your team on how to use them if required.

We also have a strategic partnership with Edison Welding Institute (EWI), qualifying our equipment for use in battery wire bonding. EWI conducted a research study to analyze how laser surface preparation affects the quality of ultrasonic wire bonding in battery packs. Their research found that using our EV laser machines is an innovative and effective method for improving battery module cleanliness. Our system considers surface contamination and roughness in the bond between aluminum wires and nickel-plated steel cells.

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EWI & Laser Marking Technologies

The Effect of Laser Surface Preparation on the Quality of Ultrasonic Wire Bonding Process in Battery Pack Assembly

EWI has analyzed the need for ablating battery modules with Laser Marking Technologies (LMT). LMT has developed and built a laser cleaning system for EWI to support this study.

Objective

Using laser cleaning technology to evaluate the effect of surface contamination and roughness on the quality of the bond in UWB process of aluminum wires to nickel-plated steel cells

Research Approach

This research has carried out in seven steps described below:

• Step 1: Preparation of experimental setup

• Step 2: Developing wire bonding parameters using screening trials

• Step 3: Organization of the design of experiment (DOE)

• Step 4: Running the experimental trials based on developed DOE in Step 3

• Step 5: Measurement of the responses

• Step 6: Data analysis “Revolutionizing Cleanliness of Battery Modules with Laser Marking Technologies” Discover how Laser Marking Technologies is driving an effective and innovative approach to achieving better battery module cleanliness. Witness how EWI, partnering with LMT, has developed a laser cleaning system that can efficiently evaluate the effect of surface contamination and roughness on the quality of the bond in the wire bonding process for aluminum wires to nickel-plated steel cells. Learn more about this seven-step research approach and the revolutionary advantages of employing the laser cleaning system. Discover a comprehensive, new solution to improve battery module cleanliness.

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Quality Improvement in Battery Pack Assembly: The Role of Laser Cleaning in Optimizing Ultrasonic Wire Bonding Process

Objective

Using our Cobalt XL EV laser marking system, EWI tested the effectiveness of laser cleaning technology on EV batteries before performing ultrasonic wire bonding (UWB) on aluminum wires and cell terminals.

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