Batteries may have been around much, much earlier than we remember, even dating back to the Parthian kingdom in the Middle East more than 2,000 years ago. At that time, people used an earthenware jar filled with vinegar, in which an iron rod wrapped in copper was fixed to produce a few volts, making this the earliest recorded invention of the battery. Nowadays, there are various types of batteries, including lithium batteries, storage batteries, 5 or 7 batteries, etc. Today, Zichen Laser is going to introduce a new type of button battery laser welding applications.
In останні роки, the most популярні споживачі електроніка продукти TWS (true wireless bluetooth) навушники, smart watches, smart динаміки, etc., as a representative, the button battery is generally composed of the main control chip, battery, flexible circuit boards, and controllers, etc., of which the cost of the the cost of accounted for about 10 percent to to 20 percent . Airpods Pro, for example, its whole contains a total of three batteries: two headphones and charging compartment in each each one, the battery in its headphones for the new rechargeable button battery. Compared to to other electronic products, the button battery in TWS headphones has a higher value because it is a new type of rechargeable, and its processing technology is more than that of традиційний одноразовий button батарейки.
The традиційна кнопка батарея обробка технологія is to use the the thermal effect of resistance to fuse the solder pads with the battery case to form a resistance welding. це зварювання технологія є зручний, низька вартість, але недоліки є очевидні, uch as can only be used for a single material welding, welds are not beautiful, weld size is not accurate and easy to oxidize black, Phi Feng, and other issues, and in the process of operation by the equipment and personnel operation of the influence of factors is greater, easy to weld tabs падіння від, зварювання фут акумулятор напруга падіння і інше проблеми проблеми. тому, опір зварювання is no longer applicable to the processing of new button cell with high quality requirements.
Нове кнопка комірка в в процес є загалом застосовується до схема дошка, потреба до зварювання штифти на його поверхня. Для потреб з різних схем дощок, the form of зварювання pins are frequent a variety of forms, at the same time, the new button cell boiling pins are more complex, resistance boiling process is not strong, for the existing resistance welding technology can not meet the high quality of the new button cell welding requirements, a number of button cell producers will look to laser welding technology.
Laser welding technology can meet the button battery processing technology diversity, such as heterogeneous materials (stainless steel, aluminum alloy, nickel, etc.) welding, irregular welding trajectory, excellent welding appearance, solid weld, more detailed welding points and more accurate positioning of the welding area. Not only that, laser welding can also make the product consistency is high and reduce the damage to the battery, to avoid the waste of raw materials. Since its establishment in 2014, Zichen Laser has made remarkable achievements in the field of non-metallic material welding, and as the first manufacturer of laser soldering equipment in China, it has made remarkable achievements in the research and development of laser welding process for button batteries.
The advantage of the new button battery's laser welding process are as follow:
- Вищий енергія щільність, легший до досягти матеріал поглинання поріг (особливо високий антиматеріал, перевага є більше очевидний);
- A різноманітність зварювання траєкторія графіка can be realized. Такий as синусоїдаль лінія shape, спіраль лінія shape, спіраль shape, спіраль точка форма і so on;
- Менший зварний шов точковий 2c більший зварний шов відношення глибини до ширини 2c більший контакт площа для те саме зварний шов точковий розмір, і більший зварний шов міцність і міцність 3b
