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弯管是锅炉制造工艺中应用最多的方法，几乎所有的受热面管子都存在着弯制问题，弯管如何达到要求是通过弯制工艺来实现的，通过有芯弯管和无芯弯管的受力分析和理论计算，认为只要工艺方法正确，可以实现难度较大的弯管制作。
Bend pipe is the most widely used method in the boiler manufacturing process, almost all the heating surface pipe bending problems exist, how to achieve the elbow is achieved by the bending process, through the core pipe and coreless pipe elbow Stress analysis and theoretical calculations, that as long as the correct method of technology, can be difficult to achieve a curved pipe production.