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双层焊接波纹管的特点有哪些?

日期: 2018年10月19日
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     焊接波纹管的管壁厚度变化小于液压成型波纹管壁厚的变化。因此,浓压波坟管的特性分散程度大于焊接波纹管特性的分散程度。焊接波纹管的特性偏差若与液压波纹管特性偏差一样,则 焊接波纹管的成品率要高(就特性而言)。焊接波纹管所用材料 的塑性变形在成型过程中小于浓压披纹管,故焊挂波纹管的材料种类要比液压波纹管的材料种类多。


The thickness variation of welded bellows is less than that of the wall formed by hydroforming bellows. Therefore, the dispersion of the dense pressure wave graves is greater than that of the welded bellows. If the characteristic deviation of the welded bellows is the same as that of the hydraulic bellows, the yield of the welded bellows is higher (as far as the characteristic is concerned). The plastic deformation of the materials used for welding bellows is less than that of the concentrated bellows in the forming process, so the materials used for welding bellows are more than those for hydraulic bellows.

双层焊接波纹管的特点有哪些?


由于焊接波纹管的波纹形状多,故其躺性比浓压波纹管的特性便于调整和控制。焊接波纹管也能达到较准确的形状和尺寸, 因此,焊接波纹管便于达到预期的设计有效面积。焊接波纹管的强度、疲劳寿命、滞后都比液压波纹管的要好。


Because there are many corrugated shapes in welded bellows, the reclining property of welded bellows is easier to adjust and control than that of concentrated pressure bellows. Welded bellows can also achieve a more accurate shape and size, therefore, welded bellows are easy to achieve the desired design effective area. The strength, fatigue life and lagging of welded bellows are better than those of hydraulic bellows.


制造焊接波纹管应有专门的焊接设备和熟练的技术,因此制造焊接波纹管的成本要比液压波纹管高一些。


The manufacture of welded bellows should have special welding equipment and skilled technology, so the cost of manufacturing welded bellows is higher than that of hydraulic bellows.


双层焊接波纹管有灵敏度较高或强度较高的特点。山不同材料构成的双层焊接或非焊接波纹管还有防腐蚀的特性。单层圆弧 波纹膜片焊接成波纹管已有拟合公式计算刚度和应力。利用单层 圆弧波纹膜片的拟合公式,可以分析多层圆弧波纹膜片的刚度和 应力。


The double-layer welded bellows have the characteristics of high sensitivity or high strength. The two layer welded or non welded bellows made of different materials have anti-corrosion characteristics. The single layer arc corrugated diaphragm welded into bellows has been fitted with formulas to calculate stiffness and stress. The stiffness and stress of multi-layer circular-arc corrugated diaphragm can be analyzed by using the fitting formula of single-layer circular-arc corrugated diaphragm.


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