It adopts Aluminum pipe precise forming technology to guarantee ultrasonic welding steady and reliable.
采用铝管精密成型技术，保障超声波焊接稳定可靠。
Aluminum pipe precise forming technology makes the ultrasonic welded Aluminum pipe size precise and roundness good.
铝管精密成型技术，使超声波焊接的铝管尺寸精确、圆度好。
At present precise forming technology has fulfilled near net shape towards a great extent, and its goal is net shape.
当前精密成形技术已在较大程度上实现了近净成形，发展趋势是实现净成形。
Cold forging is a kind of precise forming technology, and has the unique advantages compared to the traditional machining technology.
冷锻技术是一种精密塑性成形工艺，广泛应用于各种机械产品关键零部件的制造。
Predict the possible defects of production by simulation, and suggest an improved plan of the precise forming technology according to metal flow law during forming.
通过模拟预测产品可能产生的缺陷，根据金属在成形过程中的流动规律，提出了一种改进的精密成形工艺方案。
Finally, in thesis, practical research has also been done, which demonstrate the feasibility in plan of the precise forming technology of chain roller and the reliability of numerical simulation.
最后，本文进行了实验研究，验证了链条滚子精密成形工艺方案的可行性和数值模拟的可靠性。
Preform design is one of the key steps in precise plastic forming, and backward simulation technology plays important role in preform design.
预成形毛坯设计是精密塑性成形工艺的核心环节，而反向模拟技术可以实现预成形设计的高效化、数字化和智能化。
Three sectors such as technology, technique and equipment should be considered for realization of green plastic forming process while the plastic precise forming of metal an inevitable process.
实现绿色塑性成形加工，应从技术、工艺和设备三方面入手，走金属塑性精成形之路。
Three sectors such as technology, technique and equipment should be considered for realization of green plastic forming process while the plastic precise forming of metal an inevitable process.
实现绿色塑性成形加工，应从技术、工艺和设备三方面入手，走金属塑性精成形之路。
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