Key Points in the Manufacture of Energy Storage Welding Machines

Energy storage welding machines utilize a small transformer to pre-charge a group of high-capacity capacitors to store energy, followed by discharging welding parts using a high-power resistance welding transformer. The prominent feature of energy storage welding machines is their short discharge time and high instantaneous current, resulting in minimal post-welding thermal effects such as deformation and discoloration. Low-power capacitor energy storage spot welding machines are suitable for welding precision parts, while high-power capacitor energy storage spot welding machines are suitable for multi-point projection welding, ring projection welding, and seal projection welding.

Capacitors play a significant role in energy storage machines, with their charging and discharging speed and lifespan directly impacting the overall effectiveness of the welding machine. Currently, in the resistance welding industry, rapid discharge capacitors are commonly used due to their excellent performance, such as instant discharge and a guaranteed lifespan of one million cycles. These capacitors are typically available in two common models: ECST4H1LGB2C1TCB0M 50110 and ECST4H1LGN102MEE5M 76145, referred to colloquially as small capacitors and large capacitors, respectively.

Using energy storage welding machines with small capacitors results in less heat generated during charging and discharging due to their smaller individual capacity. Heat generation significantly affects the lifespan of capacitors (for every 5 degrees Celsius increase in operating temperature, the lifespan is halved). Moreover, energy storage welding machines with small capacitors require more capacitors to be connected in parallel for the same capacity, reducing the internal resistance during capacitor charging and discharging, resulting in shorter discharge times and higher currents, which are more conducive to welding and protecting workpieces. Therefore, using small capacitors is recommended.

Energy storage welding machines are a subset of spot welding machines, known for their low instantaneous power consumption from the grid and ability to maintain stable voltage output over the long term, making them highly favored by users. These machines not only have excellent quality but also prioritize comprehensive and efficient service, providing a basis for selecting high-performance energy storage welding machines. For various manufacturers and producers, three key points regarding energy storage spot welding machines are emphasized in production:

Stored Electrical Energy Proportional to Power: The key to manufacturing energy storage welding machines includes controlling the electrical energy. The limitation of electrical energy should be directly related to the equipment’s power.

Maintaining Stability of Pulse Current: The key to manufacturing energy storage welding machines includes controlling the current. Maintaining the stability of the pulse current is essential to ensure the effectiveness of subsequent resistance heating.

Emphasis on Efficiency and Energy Conservation: The key to manufacturing energy storage welding machines also includes efficiency and energy conservation, critical elements in promoting welding machines.

These key points focus on highlighting the performance and characteristics of the welding machine, aiming to improve its efficiency and energy-saving capabilities. Familiarity with this knowledge will help consumers make informed decisions when purchasing spot welding machines.

Suzhou Agera Automation Equipment Co., Ltd. is a manufacturer of welding equipment, focusing on developing and selling efficient and energy-saving resistance welding machines, automated welding equipment, and industry-specific non-standard welding equipment. Agera focuses on improving welding quality, efficiency, and reducing welding costs. If you are interested in our energy storage welding machines, please contact us：leo@agerawelder.com