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Changzhou Acoustic Pipe (187-3376-9273) - Changzhou Acoustic Pipe Quote - Changzhou Acoustic Pipe Test - Acoustic Pipe factory Changzhou - Changzhou Acoustic Pipe Prices - Changzhou Acoustic Pipe role - Changzhou acoustic tube quality - Changzhou Sheng Pipe Technology - Acoustic Pipe Changzhou - Changzhou acoustic tube weight - Changzhou Acoustic Pipe Specifications - Acoustic Pipe Changzhou Changzhou Acoustic Pipe general use on an automated pipe mill production. Solid tube defects after inspection and clear surface, cut to the desired length, end to end in the perforated tube surface-centering, then sent to the furnace heating, punch in punch. Changzhou acoustic tube while continuing to rotate and move forward at the perforation, the role of the roll and the plug, tube gradually formed within the cavity, said capillary. Continue rolling and then sent to the automatic rolling machine. Finally, after all the whole entire wall thickness are, by sizing mill sizing, to specifications. The use of continuous pipe mill producing hot-rolled Changzhou acoustic tube is more advanced methods. Changzhou Acoustic Pipe manufacturing process is as follows: Changzhou acoustic tube with steel as raw materials, first steel plates cut after pleading material, by molding, die stamping Britain at the end also washed into a circle, with the same two again put together, welding, plastic, etc., because of the presence of the weld, so Changzhou acoustic tube to be non-destructive testing, welding stress because of the existence of, so also heat-treated. Changzhou acoustic tube extrusion method is about to be placed in a sealed tube heating good extrusion cylinder, perforated stick together and extruded rod movement, the pressing member is extruded from a smaller die hole. This method can produce smaller diameter Changzhou acoustic tube. Acoustic Pipe www.hblianye08.com, rectangular tube www.czlianye03.com Changzhou Acoustic Pipe quotes, Acoustic Pipe Changzhou, Changzhou acoustic tube Spot