排列五质合走势图

排列五质合走势图 > 3D打印 > 什么是3D打印?3D打印究竟能干什么?

什么是3D打印?3D打印究竟能干什么?

其实3D打印的学名叫做“增材制造”,是一种快速成型的技术。以三维数字模型文件为基础,运用塑料或者粉末状金属等可粘合材料,通过逐层堆积的方式来制造物体。

什么是3D打印?3D打印究竟能干什么?

3D打印过程

3D打印的原理和用途

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光固化

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什么是3D打印?3D打印究竟能干什么?

激光烧结

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什么是3D打印?3D打印究竟能干什么?

层压

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什么是3D打印?3D打印究竟能干什么?

熔融沉积

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什么是3D打印?3D打印究竟能干什么?

定向能量沉积

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什么是3D打印?3D打印究竟能干什么?

混合增材

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3D打印的用途大致可以分为三种:概念建模,原型测试,和直接数字制造。

概念建模和原型测试排列五质合走势图是比较传统的两种用途,简单的说就是制作模型,主要功能是做验证,如结构验证,外观验证,功能验证和装配验证。直接数字制造是现在流行的一种趋势,即打印出来的成品可以直接作为一个最终的产品或者是零件直接使用到终端。

可以给大家举几个例子。比如概念建模,我们公司和雪佛兰合作做了一个公益的活动,内容是征集小朋友对未来汽车的想象.通过他们的画笔画出汽车图案,而我们把图案变为数字模型,再通过打印和后期的着色形成一个实体物品。这是一个梦想变成现实的过程,可以把一个原始的想法变为一个漂亮的样品。

什么是3D打印?3D打印究竟能干什么?

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什么是3D打印?3D打印究竟能干什么?

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什么是3D打印?3D打印究竟能干什么?

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3D打印的常规的流程

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3D打印的主要优势

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什么是3D打印?3D打印究竟能干什么?

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3D打印应用的层次

“原型制造”是3D打印最低层次的应用,比如制造模型、原型等单个的东西,但这也是3D打印最传统的应用。

第二级别是“代替”。制作代替现在的某个零件。但应用并不广泛,因为传统制造工艺非常适合大规模批量化的生产,3D打印并不占优。

第三个是“零件整合”。单一零件制作3D打印可能并不占优势,但是如果能将多个零件整合成一个零件打印出来,整体的价值便上去了。

最高级的应用不仅整合了多零件,而且还进行了优化。因为3D打印可以做非常复杂的工艺,这是其他工艺没法实现的。通用航空之前用3D打印做了一个航空发动机的喷油嘴,这是一个里程碑式的案例。这个喷油嘴整合了20多个零件,里面还有非常复杂的冷却管道、润滑管道。不仅提高燃油效率高,还不需要生产20多个零件装配起来,使用寿命也延长了5倍。

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3DDAYINDEJINGJIHUAFENXI

产品数量在千个之内还是比较明显,但随着3D打印成本的下降,数量范围是不断增加的。以铸造为例,在数量、生产时间、复杂度这几个因素中也有一个平衡点。未来我们会见到越来越多奇形怪状的物件,它是直接由数学和计算机来决定的形状。这种工艺复杂度的增加,不会给3D打印带来困难,但是对传统工艺来说,这种增加就是噩梦。

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什么是3D打印?3D打印究竟能干什么?

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什么是3D打印?3D打印究竟能干什么?

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什么是3D打印?3D打印究竟能干什么?

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什么是3D打印?3D打印究竟能干什么?

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什么是3D打印?3D打印究竟能干什么?

什么是3D打印?3D打印究竟能干什么?

什么是3D扫描

3D扫描也是一个重要的数据来源,它可以非常快的把实物变成3D数据,各种工业设备或者人物、艺术相关的扫描都可以得到这样从实物到数据的过程。排列五质合走势图这里有一些通过扫描变成实物的案例。例如人体的扫描大家可能都有所耳闻,还有像文物相关的扫描,如果文物有缺损,通过扫描得到相关数据之后用数字手段做出需要补全的部分,之后再打印出来,从而能够做到文物模型的完整修复。之前我们和故宫做过一些相关的合作。

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什么是3D打印?3D打印究竟能干什么?

什么是3D打印?3D打印究竟能干什么?

未来的畅想

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,可以参考3D打印的资料,