三興工業 List of Products and Services

We would like to introduce Sansei Industrial Co., Ltd.'s "Prototyping and Development." We are engaged in a wide variety of prototyping and development, including precision resistance welding of clad materials (0.2mm) + clad materials (0.2mm), as well as spot welding of pure copper (0.5mm) + brass (0.3mm) with a one-point direct method. Our company is committed to putting effort into prototyping and development to meet various needs and realize our customers' ideas. [Prototyping and Development (Excerpt)] ■##1 Precision resistance welding of clad materials (0.2mm) + clad materials (0.2mm) ・Spot welding: 1 point per shot, direct method ・Fracture condition: 1/1 ・Tensile strength: 78.1N ■##2 Precision resistance welding of clad materials (0.2mm) + brass (0.3mm) ・Spot welding: 1 point per shot, direct method ・Fracture condition: 1/1 ・Tensile strength: 63.3N *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract
• Contract manufacturing

We would like to introduce the "Assembly Processing" handled by Sanko Industry Co., Ltd. "Soldering" is a method of joining metals that has been used for a long time. Our company performs various soldering processes on precision components, including soldering onto circuit boards and soldering of lead wires. Additionally, we also carry out "ultrasonic welding" and "pressing," which generate strong frictional heat at the joining surfaces of two resin parts through ultrasonic vibration and applied pressure, melting the resin to join them together. 【Assembly Processing at Sanko Industry】 ■ Soldering - Various soldering processes for circuit boards, lead wires, and precision components ■ Ultrasonic Welding - Resin welding processing for battery packs ■ Pressing - Precision pressing and precision thin plate pressing for materials with a thickness of 2mm or less *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract
• Contract manufacturing

We would like to introduce "Precision Resistance Welding Processing" handled by Sanko Industrial Co., Ltd. "Resistance welding" is a method where electric current is passed through the welding area of the metals to be joined, heating the joint with the resulting resistance heat, while simultaneously applying pressure to weld the metals together. Generally, it is divided into "overlap resistance welding" and "butt resistance welding." Our company primarily focuses on processing precision components for low-voltage applications through spot welding, which is a representative of "overlap resistance welding." 【Features】 ■ Heats the joint with resistance heat while simultaneously applying pressure to weld the metals ■ Primarily engages in processing precision components for low-voltage applications through spot welding ■ Proposals utilizing a wide range of accumulated knowledge ■ Enhances productivity of surrounding processes, leading to mass production ■ Reliable technical skills cultivated since our establishment in 1936 *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract

Sankyo Industrial Co., Ltd. has been engaged in welding processing of low-voltage precision components since its founding in 1936. Our business concept is "TUNAGU," meaning to connect, and our goal is to maximize customer value through our welding processing business. We will comprehensively propose and demonstrate materials, shapes, and processing conditions for welding, while also enhancing the productivity of surrounding processes and conducting activities recognized by our customers. 【Business Content】 ■ Manufacturing of electrical components, press processing, assembly, and welding processing of low-voltage precision components - Assembly of primary and secondary battery packs - Blister pack and shrink pack packaging processing - Precision thin press component processing *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract