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中国专利CN105666048A本发明公开了一种具有细长深盲孔铝合金壳体的制造方法,该方法包括:(1)通过切割将棒材制成坯料;(2)对坯料进行加热;(3)对加热后的坯料热镦;(4)对热镦后的坯件进行再加热;(5)对再加热的坯件进行热反挤压冲孔形成具有细长深盲孔铝合金壳体成形件;(6)对经热反挤压冲孔成形件进行精车加工;(7)对经过精车加工后的具有细长深盲孔铝合金壳体进行钻
Chinese patent CN105666048A The invention discloses a manufacturing method of an aluminum alloy shell with an elongated deep blind hole. The method comprises the following steps of: (1) making a bar by cutting into a billet; (2) heating the billet; (3) (4) Reheating the hot forged blanks; (5) Hot reverse extrusion punching of the reheated blanks to form an aluminum alloy shell with an elongated deep blind hole Parts; (6) finishing by hot reverse extrusion punching parts finishing; (7) after the fine car processed deep blind hole with aluminum alloy shell for drilling