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未来铝合金锻件发展分析
发布日期:2024-02-07

在应用的四大类压力加工产品中锻件(自由锻件与锻件总称)占的量并不大,仅占30%左右。2011年全世界铝的总消费量约57400kt,其中铸造产品(压铸件与铸件,前者占80%左右)约16600kt,占29%;压力加工产品40800kt(平轧产品,即板、带、箔约21000kt,占52%;挤压与拉伸材18000kt,占44%;锻件1224kt,占3%;粉、膏、其他约410kt,占1%),占71%。在上述的铝消费总量中,原铝占71%,再生铝16600kt,占29%。这是对全世界而言,对不同的国家与地区各种产品的产量与消费量则不尽相同,甚至对个别国家与地区会有相当大的差异,但对主要经济大国上述的比例还是相适应的。

日本神户钢铁公司扩建苏州汽车铝锻件厂

在铝制零部件中锻件的量虽不大,但很重要,都是受力大的承载件,例如2011年日本4~9月份(2011年财政年度上半年)铝产品总用量682.601kt,其中:轧制及挤压产品120.038kt,占17.6%;压铸件及铸件547.906kt,占80.27%,锻件14.657kt,占2.2%弱,但锻件都是诸如悬架系统零件与轮毂之类的重载承力结构件,对保证汽车的安全平稳行驶起着至关重要的作用。

日本神户钢铁公司(kobesteel.Ltd.)原投资10亿日元在苏州正在建一个汽车铝产品厂,名为神户汽车铝产品(中国)公司(KobeAluminumAutomotiveProductsChinaCo.,KappChina),现正在调拭与准备试生产,可于8月份进行商业化批量生产。该公司属全资日资企业,神户钢铁公司占60%股份、三井公司(Mitsui&Co.)占25%、丰田贸易公司(ToyotaTsushoCorp.)占15%,于201012月开始建设,专门生产汽车悬架系统锻件,有一台63MN的机械传动压力机(MechanicalPress),锻件生产能力12万件/年。

在神户苏州铝锻压厂尚在建设之际,鉴于中国汽车工业、轨道车辆及其他交通运输工业的高速发展,环保压力大增,运输装备亟待减轻自身质量,对铝合金锻件的需求必会相应地上升,神户钢铁公司于20111215对外称,将对苏州铝锻压厂追加45亿日元投资,再增建163MN的机械压力机,使锻件生产能力翻一番,达到25万件/年。此台新增锻压机可于2013年投产。

神户钢铁公司生产汽车悬挂零件的铝合金锻压厂还有一二个,一个在国内的三重县(MiePrefecture)的大安市(Daian),另一个在美国肯塔基州(Kentucky)。它们各有4台压力机,生产能力各360万件/年,都在进行满负荷生产。

中国在建世界巨无霸800MN锻压机中小锻件仍有发展空间

2011年全球共有各种规格的各种类型式的锻压机约480台,其中100MN以上(含100MN的)25台左右,而锻压力≥300MN的重型锻压机分布于:俄罗斯4台,其中750MN2台;美国6台,其中500MN级的4台,多为美国铝业公司所有;法国有1650MN的;德国有30MN450MN的各1台;中国有130MN的,上世纪19739月有负荷试车成功,19746月生产出首批轰六”H81框架锻件,第二重型机械公司制造的450MN锻压机2011年安装完毕,这是近30年来全世界新制造的惟一这么大的锻压机。

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  15. SELECT `id`,`catid`,`title`,`thumb`,`addtime`,`fbtime` FROM `zzw_news` WHERE `deltime` = '' AND `is_recommend` = 0 ORDER BY `id` DESC LIMIT 0,10 [ RunTime:0.000556s ]
  16. SHOW FULL COLUMNS FROM `zzw_news_cat` [ RunTime:0.001426s ]
  17. SELECT * FROM `zzw_news_cat` WHERE `parent_id` = 0 AND `deltime` = '' [ RunTime:0.000414s ]
  18. SELECT COUNT(*) AS think_count FROM `zzw_news` WHERE `deltime` = '' AND `catid` = 84 [ RunTime:0.023464s ]
  19. SELECT `id`,`catid`,`title`,`thumb`,`addtime`,`fbtime` FROM `zzw_news` WHERE `deltime` = '' AND `catid` = 84 ORDER BY `id` DESC [ RunTime:0.026069s ]
  20. SELECT COUNT(*) AS think_count FROM `zzw_news` WHERE `deltime` = '' AND `catid` = 85 [ RunTime:0.006251s ]
  21. SELECT `id`,`catid`,`title`,`thumb`,`addtime`,`fbtime` FROM `zzw_news` WHERE `deltime` = '' AND `catid` = 85 ORDER BY `id` DESC [ RunTime:0.006031s ]
  22. SELECT * FROM `zzw_config` WHERE `id` = 2 LIMIT 1 [ RunTime:0.000427s ]
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