| The quality of the plate heat exchanger depends on the processing accuracy of the core. The core material is 42CrMo steel, and the arrangement after quenching and tempering is mainly tempered sorbite. Relying on its unparalleled high output power, high machining accuracy, surface quality, and low cost, high-speed milling skills have become a new common foundation skill for improving elder production skills. The development direction of cutting machining skills has broad application prospects. It is of great significance to promote the deep use of high-speed milling skills in industrial companies and the overall level of China's manufacturing operations. According to the characteristics of the plate heat exchanger mold, all the high-speed milling processes are analyzed. The high-speed milling plate heat exchanger mold is analyzed from the technical plan formulation, NURBS interpolation and milling path optimization. The high-speed processing plate heat exchanger is described. Finishability of the mold. The hardness is HBS220260 tensile strength бb1.08GPa yield strength σs0.93GPa elongation δ512%, impact toughness αK0.78MJ / m2 shortening rate ψ45%. |
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