Hard-surface build-up welding strain roller and manufacture method thereof
A technology of tension roller and hard surface, which is applied in the direction of manufacturing tools, rollers, metal rolling, etc. It can solve the problem that heat easily enters the roller from the joint between the roller and the cover, is pressed into pits or protrusions, and affects the belt. Steel surface quality and other issues to achieve the effect of ensuring excellent performance, energy density, and high bonding strength of the coating
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[0033] Please refer to Figures 1 and 2. The present invention discloses a hard-surface surfacing tension roller. It includes a roller 1 and round side covers 21, 22 that are fixed to cover the openings at both ends of the roller 1. Square steel 5 is arranged at both ends of the roller 1, and two side covers 21, 22 are erected on the square steel 5. on. The two side covers 21 and 22 are respectively connected with the left shaft head 3 and the right shaft head 4 at the center of the circle. The outer surface of the roller 1 is covered with a spray coating 6, and the two side covers 21, 22 are provided with grooves 211, 221 on the outside. The grooves 211, 221 extend from the middle of the side covers 21, 22 to the edge, and the two side covers 21 The outer ring of, 22 is provided with chamfers 213, 223, and the two side covers 21, 22 are welded to the inner walls of the two ends of the roller 1 through the chamfers 213, 223 and grooves 211, 221. The maximum depth of the grooves 211...
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