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Metal pipe drawing reduced diamether device exist step height in the external diameter and metal pipe exist step height in the external diameter
Metal pipe drawing reduced diamether device exist step height in the external diameter and metal pipe exist step height in the external diameter
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机译：金属管缩径二甲醚装置的外径存在台阶高度，金属管的外径存在台阶高度
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摘要
the present invention is that the stepped outer metal tube manufacturing for drawing the diameter of the device as the entrance side the die is reduced in diameter in a certain range toward the outlet and inserted into the pipe through a die and a plug having a shape and inner diameter corresponding to the outer diameter shape of the die, the chuck for chucking a leading end of the shaft diameter of the pipe passing through the die , chuck, and the LM guide for guiding the conveying line, characterized by consisting of a ball screw shaft for transferring the tube diameter.
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