模具表面光洁度F2级在实际应用中应该如何操作和如何测量呢?用粗糙度仪测试Ra或Rz值是需要多少呢? 教育的概念是什么?

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1 000纳米(nm) = 1 微米(μm),800nm就是0.8μ。
表轮廓算术平均偏差(Ra)、微观不平度十点高度(Rz)和轮廓最大高度(Ry)
郑州源测精密仪器简单的来说就是模具最好0.8μ。一般没具体说应该就是Ra。
Rz是最高5个点和最低5个点平均距离
Ry是最高点与最低点距离
从Ra<Rz<Ry,越往前整体性越好,越往后个体点越重要,具体怎么选还要你自己定,郑州源测精密仪器有限公司也只是建议

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