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四二○厂MAAG·SS30X型齿轮磨床系瑞士一九五八年产品,由于长期工作,年久失修,磨齿精度下降至旧标准Ⅱ级,表面光洁度降至▽8甚至▽7,难于稳定满足产品工艺要
The 280 mill MAAG·SS30X gear grinding machine is a product of Switzerland in 1958. Due to long-term work, it has been in disrepair for a long time. The precision of grinding teeth has dropped to the old standard II level, and the surface finish has dropped to ▽8 or even ▽7. It is difficult to meet stability. Product process