We also offer proposals for the joining of small-diameter parts and assembly products, which are considered difficult! Please feel free to consult with us.
"Friction Stir Welding" is a technique that joins base materials by rubbing them together at high speed, softening the materials with the friction heat generated while simultaneously applying pressure to achieve the joint. It eliminates the need for consumables such as welding rods and flux, reducing labor costs. No heat sources other than friction heat are necessary, resulting in high energy efficiency. Additionally, it can reduce material and processing costs compared to machining from solid blocks, and by minimizing the weight of the material, it can improve yield rates. [Features] - Achieves joint strength equivalent to the base material through individual jointing. - Allows for joining of dissimilar metals (e.g., copper + aluminum, aluminum + stainless steel). - Joint conditions can be numerically managed, ensuring reproducibility and stable quality. - Environmentally friendly. - Cost reduction is possible. *For more details, please refer to the PDF document or feel free to contact us.
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【Other Features】 <Environment> ■ Energy-saving: No heat sources other than frictional heat are necessary, resulting in high energy efficiency. ■ Reduced construction: No consumables such as welding rods or flux are required for joining, reducing labor hours. ■ Harmless: No harmful substances such as spatter, fumes, or gases are generated. <Cost Reduction> ■ Reduces material and processing costs compared to machining from solid materials. ■ Streamlines pre-processing steps such as beveling and inlay processing, reducing processing hours. ■ Reduces material costs by using expensive materials only in necessary areas. ■ Improves yield rate by minimizing the weight of materials. *For more details, please refer to the PDF document or feel free to contact us.
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Applications/Examples of results
【Examples】 ■ Joining of dissimilar metals and different shapes ■ Joining of small diameter and different diameters ■ Joining of shafts *For more details, please refer to the PDF materials or feel free to contact us.
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Company information
Daiwa Valve Co., Ltd. has been a dedicated valve manufacturer since its establishment in 1919, adhering to the motto of customer-first for over 100 years, and has always strived to provide high-quality products to our customers. Our bronze products are produced through a consistent production system that includes casting, processing, assembly, and shipping all in-house, ensuring the maintenance and improvement of quality. As customer needs diversify and new waves of technological innovation such as IoT and AI emerge, we are focusing on the development of new technologies and products to meet market demands, aiming to create unique products. We are also working towards establishing the "YAMATO" brand as an international brand capable of responding to globalization, and we are committed to becoming a company that can contribute to our customers and society.