The heat exchanger for large generator sets produced by Zhejiang Zhuji Dunan Heat Exchanger Co., Ltd. has passed the on-site acceptance of the Quality Management Department of Japan Ebara Co., Ltd. recently. It is reported that this is the first large-scale heat exchanger produced in China.
Japan's Ebara Co., Ltd. is a professional company specializing in the production of large-scale commercial air conditioners in Japan. The heat exchangers are very demanding: up to 4.2 meters in length and 2 meters in width, and the weight of one piece is more than 600 kilograms, which brings certain difficulties to the production. In particular, it is required to not rewind the visible surface, which puts higher requirements on the processing.
It is understood that last year, Sugawara commissioned a Shanghai company to look for suppliers in China, and the quality did not meet the requirements of the Japanese side. After receiving the trial production order, the company set up a temporary project team, and trained the operators and inspectors who participated in the project according to the procedures. After the product is put into production, the technicians and inspectors track the scene, from cutting to matching, expanding to welding, and one detail is not missed. The fins are also made of high-value, good-quality hydrophilic foil, fins. The type adopts the international popular corrugated sheet. After the end of each process and the inspection personnel confirm the qualification, the surface of the fin is protected immediately, which overcomes the problems of painting, mounting and hoisting. After the on-site inspection by the Japanese quality management department, Mr. Ito, the product was fully affirmed and highly evaluated.
At present, the production of small batch heat exchangers has met the requirements of the Japanese side, and a number of special tube sets have entered the production stage according to the Japanese drawings.
Japan's Ebara Co., Ltd. is a professional company specializing in the production of large-scale commercial air conditioners in Japan. The heat exchangers are very demanding: up to 4.2 meters in length and 2 meters in width, and the weight of one piece is more than 600 kilograms, which brings certain difficulties to the production. In particular, it is required to not rewind the visible surface, which puts higher requirements on the processing.
It is understood that last year, Sugawara commissioned a Shanghai company to look for suppliers in China, and the quality did not meet the requirements of the Japanese side. After receiving the trial production order, the company set up a temporary project team, and trained the operators and inspectors who participated in the project according to the procedures. After the product is put into production, the technicians and inspectors track the scene, from cutting to matching, expanding to welding, and one detail is not missed. The fins are also made of high-value, good-quality hydrophilic foil, fins. The type adopts the international popular corrugated sheet. After the end of each process and the inspection personnel confirm the qualification, the surface of the fin is protected immediately, which overcomes the problems of painting, mounting and hoisting. After the on-site inspection by the Japanese quality management department, Mr. Ito, the product was fully affirmed and highly evaluated.
At present, the production of small batch heat exchangers has met the requirements of the Japanese side, and a number of special tube sets have entered the production stage according to the Japanese drawings.
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