| 摘要 |
A method of resurfacing a traction roll to provide a friction surface to replace a worn surface. A supply reel of metal strip material is continuously unwound from a supply reel and rewound on a take-up reel. Between the reels, the unwound strip passes through a treating station at which a surface of the strip is prepared for coating and is then coated by one or two sprays of various types of thermal spray equipment as the applicator, with a polymer coating sometimes applied as a top coating. The take-up reel with the coated strip is then transported to a facility where the traction roll is located. The traction roll is then prepared for winding of the strip thereonto. The strip is wound helically onto the traction roll and secured thereto by doublesided adhesive tape disposed between and attached to the roll surface and the metal strip. In a modification, the strip is fed through the treating location in contact with an arcuate surface of a mandrel to impart curvature to the strip. This is also accomplished in a further modification in which the strip is fed spirally over a rotating cylinder. Both the mandrel and the cylinder provide a heat sink function as well as imparting a curvature to the treated strip to facilitate winding on the take-up reel and to facilitate subsequent winding on the traction roll. In yet another embodiment, the treatment of the surface of the metal strip is performed by sequentially immersing the unwound strip between the supply reel and the take-up reel in a plurality of treating baths.
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