The drawing tests of stainless steel (SUS304) with reaction bonded Si 3N 4 ceramics die lubricated with water base lubricant were carried out using a four columns YA 100 type drawing machine.
在YA-100型四柱液压拉深机上，进行了用反应烧结氮化硅材料凹模拉深不锈钢（SUS304）的试验研究。
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