1747-BSN
1747-BSN
1747-BSN
1747-BSN
1747-BSN
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〖厦门光沃自动化设备有限公司 竭诚为您服务〗
〖联系人:欧先生 〗
〖手机:18030229053(微信同号) 〗
〖QQ: 2479261344 〗
〖传真:0592-5709825
【价格】如此低价,仅此一家
【货期】大量现货,下单后即可发货
【质量】全新原装,进口***
【保障】产品经过专业检测,质保一年,15天包退换
【品牌】Allen-Bradley罗克韦尔、ABB、本特利Bently 3500系统卡件、GE、艾默生西屋等模块卡件
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精密铸造是所有铸造方法中最精确的一种,精度一般优于0.5%,且可重复性好,铸件只需少量的机加工就可以投入使用。由于铸模是一次性使用,使得制造内部结构复杂的零件成为了可能,能生产锻造或机加工不能生产的零件。尽管精密铸造有着很多的优越性,但其生产过程复杂且冗长。压制蜡模的铝模制作,视其复杂程度和尺寸大小,一般要花几周到几个月时间。得到铝模后,还要几周时间才能得到铸件。这几周主要是用于制作型壳。除了耗时外,精密铸造还很费工,50%~80%的费用都出自于人工。此外,小批量生产中的模具费用分摊至使单价昂贵。3D打印和精密铸造是互补的,这两种方法都适用于复杂形状零件的制造。如果没有快速自动成型,铸模的生产就是精密铸造的瓶颈过程;然而没有精密铸造,快速自动成型的应用也会存在很大的局限性。
3D打印技术在精密铸造中的应用,可以分为三种:
一是消失成型件(模)过程,用于小批量件生产;
二是直接型壳法,用于小量生产;
三是快速蜡模模具制造,用于大批量生产。
(2)快速铸造
在制造业特别是航空、航天、国防、汽车等重点行业,其基础的核心部件一般均为金属零件,而且相当多的金属零件是非对称性的、有着不规则曲面或结构复杂而内部又含有精细结构的零件。这些零件的生产常采用铸造或解体加工的方法,快速铸造是所有采用3D打印件做母模或过渡模来复制金属件的方法中最具吸引力的一种。
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