High speed swivel joints appear later than swivel joints. The society is developing and the technology industry is developing. In order to reduce costs, save energy, speed up equipment, and reduce employee operating procedures is the inevitable path. In particular, some industries that require labor intensity. Speeding up is a good thing, but it is also difficult. Because speeding up involves all aspects. Rotating joints have become an obstacle to roller equipment. In the last century, the maximum speed of rotary joints was generally controlled at less than one thousand revolutions per minute, causing speed-up problems for some industrial equipment. The personnel of the R&D department of Dongguan Qingbang Machinery Parts Co., Ltd. began to pay attention to the problem of speed increase of rotary joints at the end of the 19th century. Due to the limitation of domestic raw materials, it has not been solved. In 1998, Mr. Xie Zhicheng, the general manager of the company, and Mr. Liu Shimin, the vice president of production, attended the international sealing technology seminar held in Japan. At the meeting, some experts discussed the issue extensively. It also affirmed the Korean silicon carbide production technology. Japan's fluororubber technology has also been recognized by the participants. Xie always made inspiration, but can you combine Korean silicon carbide with Japanese fluororubber into the rotary joint? After returning, we purchased a batch of silicon carbide and fluororubber. The R&D department started the high-speed high-temperature research and development of rotary joints. At present, the rotary joints produced by Dongguan Qingbang Machinery Parts Co., Ltd. can reach 350 °C at high temperature and 10,000 rpm at high speed. At this time, foreign rotary joints have also reached this standard. How to upgrade the product again, the personnel of the R&D department of Dongguan Qingbang Machinery Parts Co., Ltd. has been sharpening it!
The operation principle of the high-speed rotary joint is basically similar to that of the ordinary rotary joint. Adopt international advanced face sealing technology (also called flat seal). However, the hollow shaft of the ordinary rotary joint is made of stainless steel, and at a high temperature, the stainless steel is soft, causing scratches on the end surface. This makes it easy to enter impurities and particles. The sealing effect is reduced. O-rings will age and stiffen at high temperatures. According to the results of experiments and analysis, the R&D department of Dongguan Qingbang Machinery Parts Co., Ltd. inlaid the silicon carbide ring on the hollow shaft shaft head to solve the problem of high temperature and high temperature of stainless steel and high temperature and softness at high speed. The O-ring is made of fluororubber imported from Japan and can be guaranteed to not age at a certain temperature. However, after the bearing is over 100 °C, the butter inside will not be able to withstand. After melting and drying, the bearing will not be flexible or even jammed. Finally, after comparison, we chose Korean high temperature resistant butter, which will not dissolve at 600 °C. Bearings We use high temperature bearings from Sweden SKF. This solves the problem of melted and melted butter and solves the problem of bearing jam.
After repeated trials and tests, we have also modified the internal structure of the rotary joint to make the structure more reasonable. For the spring, we also test it repeatedly. After high temperature treatment, it can ensure that the spring does not deform below 400 °C, and it is not weak. It provides a strong guarantee for high speed operation. At the same time, Dongguan Qingbang Machinery Parts Co., Ltd. also provides high-temperature rotary joints, high-pressure rotary joints, graphite crucibles, graphite electrodes and other products, please call us for more information.
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