Technology method for surfacing wear-resistant layers on surface of cast steel rotor body cross beam
The invention discloses a technology method for surfacing wear-resistant layers on the surface of a cast steel rotor body cross beam. Welding wires of various materials are adopted for layered surfacing, a bottom layer is welded as a transition layer which can play the roles of crack preventing and...
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| creator | ZHU MINGTAO WANG GUOYOU LI BAISONG WEI SHOUPAN LI YANG WU SHUCHENG RAO XU GUO DESEN JING XIN DENG LEI ZHANG CHONGFENG |
| description | The invention discloses a technology method for surfacing wear-resistant layers on the surface of a cast steel rotor body cross beam. Welding wires of various materials are adopted for layered surfacing, a bottom layer is welded as a transition layer which can play the roles of crack preventing and preheating, an upper layer is surfaced as a working layer which has high wear resistance and impact resistance performance, a reasonable welding sequence and a simple welding deflection tool are adopted for guaranteeing welding in horizontal positions, preheating is conducted at 200-250 DEG C, it is guaranteed that an interlayer temperature is higher than the preheating temperature in the welding process, heat preservation is conducted for 6 hours after welding, then magnetic powder inspection is conducted, and the problem that cracks are extremely prone to occur when a high-hardness wear-resistant material is surfaced on the surface of a cast steel body is solved. The surfacing technology method is simple to opera |
| format | Patent |
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| subjects | CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM |
| title | Technology method for surfacing wear-resistant layers on surface of cast steel rotor body cross beam |
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