Scantech Laser Pvt. Ltd.

Laser Marking Machine | Laser Cutting Machine | Laser Welding Machine

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Mr. Naren S. Shikarkhane is a dynamic person who has founded SCANTECH in the year 1991. Our founder is held in high esteem and is a well known figure in the area of laser technology, nationally and internationally. He is listed in the Marquis Who's who in Science and Engineering (US Publication) #happyteachersday #teacher #teachersday #teacherdayspecial #scantechlaser #laser #lasertechnology #india https://www.instagram.com/p/CiHr6AksYGs/?igshid=NGJjMDIxMWI=

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As rain bless the earth similarly #scantechlaser pray that on the occasion of #ganeshchaturthi this year, may Lord #ganesha bless you with never-ending love, success and joy. Keep smiling and reciting Ganapati Bappa Morya! #laser #ganesha #ganeshutsav #mumbaiganpati #mumbaiganeshutsav #festival #india #mumbai_ganesh_utsav_ #lasertechnology #shreeganesh #vighnahartaganesh #ganeshafestival https://www.instagram.com/p/Chwpw5Kswao/?igshid=NGJjMDIxMWI=

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Importance of Prismatic Battery Laser Welding System

The market for all batteries continues to grow as the global demand for wireless and environmentally safe electronics increases. This includes electronic devices such as mobile phones, tablets, and electric cars. Market growth encourages suppliers and manufacturers to research and develop their methods, materials, and products to meet demands. This demand for battery-powered products has resulted in the development of better battery performance during the last 20 years. Battery cells are most often put into modules or packs when produced for electrically driven vehicles. The variable of greatest influence when welding battery packs is the contact resistance between the cell and the connection tab. It is crucial to minimize this variable as much as possible to prevent energy loss in the form of heat generation. From a welding perspective, the most important aspects of tab welding are the thickness and material of both the tab and the terminal. Conductivity is the name of the game, so battery tabs are generally made of aluminium or copper, sometimes plated with nickel or tin. Terminals may be cold-rolled steel, aluminium, or copper, depending upon the physical size of the finished battery.

We have covered Laser Welding of Battery and its components related topics in this blog space – not surprising, given the importance of batteries in today’s world. So, we thought it might be helpful for us to give people some guidance on selecting and using the right technology for these applications.

Laser welding

Laser welding for batteries is still kind of the new kid on the block, introduced in volume into the manufacturing marketplace in the mid-1980s. Two laser types are a good choice for battery applications: pulsed Nd: YAG and fiber.

Lasers are most often used for high-speed seam and plug sealing of battery cans, offering significant advantages over mechanical clinching and adhesive methods. 

For tab and buss bar joining, laser welding offers a high degree of flexibility, welding both thin and thick tab materials, materials such as copper, aluminium, steel, and nickel, as well as some dissimilar material combinations. Welding tabs or terminal connections to bus bars generally do not require as much penetration or heat input control as the tab to terminal welds.

How to choose?

All three methods are tried and proven to function in the production of battery applications. Each method has separate strengths and limitations which makes them complement each other. Thus, it is important to look at several factors when deciding which welding technique is the most suitable for the desired application. The scale of production, economical aspects as well as battery cell geometry were concluded to be the most important in making this decision. The below tables offers a few guidelines on the available methods and the parameters you should look at when examining their suitability for your battery application.

Benefits

Laser Welding is a non-contact process that is done at high speed and does any tailored weld pattern and can weld any joint geometry. ​ Our Battery Laser Welding Machine is able to do

​1. ​Can and Plug sealing​ - where Barrier sealing of aluminium, Nickel, and cold rolled steel with minimal heat input​ are welded.

​2. ​Tab to electrode / Case​ - where Up to 1.01mm plus thick tab material. Electrode/ Case thickness >1.5 x Tab thickness​ are welded.

3. Tab to Busbar​ - where Multiple materials and layers can be welded. Up to 1 mm plus weld penetration in any material.

For more details about laser welding machines, visit our website https://www.scantechlaser.com