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一片好的刨刀,一次刃磨可连续使用十几小时,不仅省力,而且加工的制品光滑美观。而质量差的刨刀,一次刃磨只能用十几分钟,甚至推几次就会失效。为改进刨刀质量,我们分析了刨刀的失效方式,研究了国外名牌刨刀的金相组织与性能之间的关系。在此基础上,采用了热轧余热细化碳化物和快速加热淬火的热处理新技术,从而使金马牌刨刀质量在国内名列第一,获得了国家银质奖,可与国外名牌刨刀媲美。
A good planing knife, a grinding can be used continuously for more than ten hours, not only labor-saving, but also processed products smooth and beautiful. The poor quality of the planing knife, a sharpening can only use ten minutes, or even push a few times will fail. In order to improve the quality of the planer, we analyzed the failure mode of the planer and studied the relationship between the metallographic structure and the performance of the famous planer. On this basis, the new heat treatment technology of hot rolling residual heat to refine carbide and rapid heating quenching is adopted, so that the quality of Golden Horse planing cutter ranks first in China and the national silver medal, which is comparable with that of foreign brand planing knives.