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HINGE JOINT TROLLEY RAIL
STS trolley rails
The rail is the trolley rail at the hinge joint of a STS crane made by ZPMC. The section where we can see the weld joint is at the hinge joint to stiffen and reinforce the cross section of the rail where the section is reduced. This is not a suitable method for achieving a stronger rail. The welding brings additional stresses into the rail material. The rail head has mushroomed on one side of the rail head.

STS 3 HJ 2mm

IMG-0674

IMG_0008

STS 3 HJ 2mm
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