At present, in the bicycle industry, especially in the high-end bicycle industry, people are increasingly pursuing high-quality driving experience, and require bicycles to be safe, reliable, and light. Titanium bicycles are high-end bicycles that have become popular in the world. In order to further To lighten the weight of the vehicle body, the manufacturer hopes to change the frame tube from a straight tube with equal diameter to a tube with a variable inner diameter and wall thickness. The characteristic of this kind of pipe is that the outer diameter is constant, and the inner diameter is small at both ends and large in the middle, so it is difficult to produce this kind of titanium welded tube. According to the needs of users, a new technology was used for trial production. After nearly a year of hard work, the trial production was successful and samples were provided to foreign manufacturers. Now, has designed and manufactured a special machine tool that can mass-produce such pipes. Under the control of the computer, it can produce different specifications of inner diameter reducing pipes and realize industrialization.
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