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退磁的工件大為什么難退磁

來源:網絡 發布日期:2023-07-07 17:27 瀏覽:

  大工件為什么難退磁?因為大工件直徑和外形都大,退磁區域很大,在大區域產生大的退磁場很難,面積大了,退磁場都很弱,退磁場弱了,退磁效果就差,要退磁效果好,就得加大功率把磁場加大,加大磁場在技術上很有難度,成本也很高,因此,大工件難退磁。


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