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人工用刀片拉的孔,,不精確難看還很慢,,想搞個(gè)設(shè)備來(lái)做 |
點(diǎn)評(píng)
非金屬材料用45鋼料即可,如只加工萬(wàn)兒八千件的,連火都不用淬,先做一個(gè)摸架,沖頭,更換零件只換沖頭和沖模只是個(gè)環(huán),值不了幾個(gè)錢,用完就扔了.
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