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采用精密锻造的方法制造齿轮，是一种较先进的 工艺，具有生产效率高、质量好的特点。然而，锻造后的齿面会附着一层氧化皮，从而影响齿轮的质量。在生产工艺中，这层氧化皮必须予以清除，称为除鳞。目前，齿轮经粗锻后通常采用酸洗法除鳞，即用ＨＣＬ溶液浸泡齿轮。酸洗法不但
The use of precision forging gear manufacturing method is a more advanced technology, with high efficiency, good quality characteristics. However, after forging the tooth surface will attach a layer of scale, thus affecting the quality of the gear. In the production process, this layer of oxide must be cleared, known as descaling. At present, the gear is usually used after the forging descaling acid pickling, soak the gear with HCL solution. Pickling method not only