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1.西德在加工整体涡轮叶片时,采用35%NaNO_3作电解液,液温40℃,叶片材料为X22CrMoV12.1,进给速度2.5～3.5毫米/分,蚀除速度为1.52毫米~3/安·分;而加工同种材料的导流叶片圈时,采取40%NaNO_3电解液(液温30℃)加工叶片部分,而用10%NaCl溶液(液温30℃)加工型孔,进给速度为3.0～6.0毫米/分。对于同材料的大扭角的涡轮叶片,则采用45%NaNO_3电解液加工,进给速度1.4毫米/分,最大电流4980安,蚀除速度1.2毫米~3/安·分,重复精度(指控制截面内的厚度差)为±0.05毫米。当叶片材料为X20Cr13时,以6%NaCl作电解液(液温34℃),加工面积180厘米~2,加工电压17伏,最大电流为14000安,进给速度1.6
1. West Germany in the processing of turbine blades, the use of 35% NaNO_3 as electrolyte, the liquid temperature 40 ℃, the blade material X22CrMoV12.1, the feed rate of 2.5 to 3.5 mm / min, the erosion rate of 1.52 mm 3 / Anne points; and processing the same kind of material guide vane ring, take 40% NaNO_3 electrolyte (liquid temperature 30 ℃) processing blade part, and 10% NaCl solution (liquid temperature 30 ℃) processing type hole, feed Speed of 3.0 to 6.0 mm / min. For the turbine blades of the same material with large torsion angles, the turbine blades were machined with 45% NaNO_3 electrolyte at a feed rate of 1.4 mm / min with a maximum current of 4980 A and an erosion rate of 1.2 mm -3 / A · min, repeatability Thickness difference in cross section) is ± 0.05 mm. When the blade material is X20Cr13, 6% NaCl as the electrolyte (liquid temperature 34 ℃), the processing area of 180 cm 2, the processing voltage of 17 volts, the maximum current of 14,000 amps, the feed rate of 1.6