How to deal with the processing of stainless steel flanges?

Problems occurring during the processing of stainless steel flanges

　　Stainless steel flange processing needs to understand and pay attention to a number of issues: the

　　1, weld defects: stainless steel flange weld defects more serious, if the choice of manual mechanical polishing processing methods to compensate, then the occurrence of polishing traces, the formation of uneven appearance, will affect the beauty;

　　2, grinding and polishing passivation is not uniform: manual grinding and polishing after pickling passivation treatment, the area of the larger workpiece, it is difficult to achieve uniform together with the treatment effect, can not get the desired uniform appearance. There are also its defects have labor time costs, auxiliary material costs are also higher;

 Stainless steel flange

　　3, scratches are difficult to remove: the overall pickling passivation, in the presence of corrosive media conditions will occur under chemical or electrochemical corrosion and rust, but also can not remove due to scratches, welding spatter and adhesion in the stainless steel appearance of carbon steel, spatter and other impurities;

　　So how to deal with the problem of stainless steel flange processing?

　　1, select the drop, after completion, into the next process, stainless steel different workpieces according to the processing requirements into the appropriate process;

　　2, bending to be the first to be based on the scale of the drawings, stainless steel 304 seamless steel material thickness confession bending with the tool and knife slot to prevent the product and tool collision caused by deformation is the key to the selection of the upper die (in the same product, may be used in different types of upper die), the choice of the lower die based on the thickness of the plate to confess.

　　3, in order to weld robust, in order to weld the workpiece to hit the bump, you can make the bump in the electricity before welding and flat even touch, to ensure that the points are heated together, but also to identify the welding position, the need for welding, to adjust the pre-pressure time, holding time, holding time, rest time, to ensure that the workpiece can be spot welded robust.