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    1. 嘉禾機械提示減少模具加工缺陷的七點有效措施

      合理選擇和修整砂輪,采用白剛玉的砂輪較好,它的性能硬而脆,且易產生新的切削刃,因此切削力小,磨削熱較小,在粒度上使用中等粒度,如46~60目較好,在砂輪硬度上采用中軟和軟(zr1、zr2和r1、r2),即粗粒度、低硬度的砂輪,自勵性好可降低切削熱。

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