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Manufacturing vs 3D Printing
Transcript of Manufacturing vs 3D Printing
An additive process is a process where objects are created by repeatedly adding layers on layer
The object is first designed virtually, usually on a computer linked to the 3D printer
After being designed, the designer hits "Send to Printer" or something of the sort to send the model to the 3D printer
The 3D printer immediately starts to create the object, adding layer upon layer
After the 3D printer finishes creating the object, depending on the process of additive manufacturing, the object may have to be cooled different methods of additive manufacturing There are many different methods of additive manufacturing, and they all have their own advantages:
Z printing (the most common and latest method of 3D printing) - a process in which powder is layered until the object is complete, and pigmented glue is used to bind the layers together
Advantages: Currently the fastest method of additive manufacturing and objects can be strong or flexible
Disadvantages: Objects created are not that detailed and accurate
Stereolithography - a process in which a strong UV light hits a liquidized layer of the object, solidifying the layer. This is continuously repeated until the entire object has been created
Advantages: Can create very detailed and unimaginable objects
Disadvantages: Very expensive and the process can be lengthy, depending on the size of the object
Selective laser sintering (SLS) - a process in which plastic, metal, ceramic, or glass powder is shot with a high-powered laser, solidifying the object into the shape of the laser's path (which is the object)
Advantages: Can be compatible with a large variety of materials and the objects created are very durable
Disadvantages: Hard to add color because of the rough surface created by the laser
Fused deposition modeling (FDM) - a process in which the printer automatically adds support material to the object, so the object can be created more easily and more stable. The machine produces the object layer by layer, and later will discard the support material
Advantages: Can be compatible with a large variety of materials and it is rather cheap
Disadvantages: Usually slower than other methods object designer what is manufacturing? Manufacturing is the production (usually mass) of finished goods from raw materials for use or sale. Depending on the object being manufactured, objects can be manufactured hand-made or by a machine
The process: different types of manufacturing Almost all manufacturing processes fall under one of the four categories:
Casting - the process of pouring molten metal or a related material into a mold to manufacture an object
Examples of casting include:
Sand casting (using sand as the molten material during the casting process)
Centrifugal casting (spinning the mold at a very high speed while pouring the molten material)
Forming - the process of combining parts and materials to manufacture an object
Examples of forming include:
Liquid forming (dissolving and extracting liquids to make another liquid)
Joining - the process of connecting and joining parts and materials to manufacture an object (very similar to forming)
Examples of joining include:
Mechanical joining (joining parts and materials to make mechanical systems)
Machining - the process of which a base material is cut into the shape of the object
Examples of machining include:
Laser cutting (using a laser to cut and create the shape of the object) 3d printer display MakerBot printing Yoda's head model manufacturing 3d printing pros cons pros cons Customization - 3D printing allows full customization on objects
Speed - Additive manufacturing is a lot faster than regular manufacturing
Labor-free - Unlike in regular manufacturing, there is no labor needed in 3D printing
Printable potential - In the future, 3D printing has a potential of creating rare-but-needed objects, such as living organs or food Less manufacturing jobs - As 3D printing may start to dominate manufacturing, manufacturing jobs may be lost
Limited material variety - Currently, there is only a limited amount of materials 3D printers are compatible with; however, in the future, this problem may be resolved
Expensive - 3D printing is a relatively new and rare technology; its parts and machines are extremely expensive Speed - Mass manufacturing can produce one object multiple times in a small span of time
Material variety - There is a diverse set of materials which are compatible with manufacturing
Cheap - Mass manufacturing produces a large amount of products; therefore, making the ratio of every object less bibliography No customization - Manufacturing can only produce one design of an object, and only that same design for all objects
Difficult to transport - It is hard and expensive to get a large supply of objects from one place to another
Vulnerable - One flaw or problem in a manufacturing system can cause the entire thing to shut down temporarily labor manufacturing less-labor manufacturing "Manufacturing." Wikipedia. Wikimedia Foundation, 21 Feb. 2013. Web. 21 Feb. 2013.
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Barnatt, Christopher. "ExplainingTheFuture.com : 3D Printing." 3D Printing. ExplainingTheFuture.com, n.d. Web. 21 Feb. 2013.
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Palm, William. "Rapid Prototyping Processes." Rapid Prototyping Processes. Penn State Learning Factory, May 1998. Web. 21 Feb. 2013.
Huxley, Mark, and Steven Weisberg. "Pros and Cons of Major RP Technologies." Cadalyst. Cadalyst, 1 May 2001. Web. 21 Feb. 2013. 3d printing commercialization watch 2:20-5:28