Product Description

Crane drum welding machining is as follows:
Plate blanking to rolled cylinder and longitudinal seam welding, longitudinal weld inspection cylinder and geometry size (diameter, length and diameter ovality tolerance, etc.), for the large diameter cylinder according to the technical process and welding process brace - machined cylinder ring groove, the process of rough machining tube in vitro round request to machining cylindrical and barrel extension (i.e., girth welding) welding.For brace on both ends of the cylinder to welding process according to the provisions of procedure, and inspection and girth welding quality and the machining allowance on both ends of the barrel length scale processing and welding processing - > check mouth or barrel end flange plate, shaft, bearing ring, etc.

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