1767| 5
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這個(gè)怎么成形呢 |
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點(diǎn)評(píng)
用胎具熱滾,效率比用輪轂鋼低,廢品率高,設(shè)備復(fù)雜,少量、多品種可以這么做,批量還是輪轂鋼,一般Q235熱滾這個(gè)變形有哪難度,滾完還要冷整形,你說(shuō)的熱拉傷不可避免,這個(gè)屬于大變形,誰(shuí)都不好處理,廢品率高
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