There are different ways to accomplish a task but if we have to select the most appropriate one, we have to make the selection on two things; first the method which is more cost effective and second that the method used must be environment friendly. Now we will quickly come to the point of our interest and that is the comparison of two modern prototype manufacturing methods, Injection molding and Rapid Prototyping Printers.
Both of these are the manufacturing methods that are used for the production of different Prototypes. First one is injection molding! This is a production technique used for making of various type of injection molding parts from plastic materials, mostly from thermoplastic and thermosetting. The design is made and then the created design by the engineers or the designers is sent to the molding machines. The process of molding the material in to the required shape contains two basic steps. First it is sent to the heated panels and then after heating the material it is passed though the required shape cavity to mold it in to the desired part.
The second area of our interest is the rapid prototype printer, which is another modern instrument that is used for the manufacturing of various prototype parts or the entire prototype. In this technique, a 3d file is generated from the computer and that is converted into CAM and after that the acquired design is obtained in a very short period of time. With the help of a rapid prototyping printer we can save a lot of money and our precious time. These printers use different materials for prototype development but mostly the focus is on plastic materials.
Injection molding parts are created in industries and it requires costly machinery. As far as a rapid prototyping printer is concerned, it is used for industrial purpose as well as for some smaller projects also. Now a day's these printers are very much common and they are even available for the personal use. So if we take the cost effectiveness concept in consideration, prototyping printers beat the injection molding techniques.
But with the new advancements in the field of prototyping and with the increased rate of use of plastic materials in printers, now the focus is towards the use of injection molding techniques in these rapid prototyping printers to make the performance even better. So the modern printers available in the market use the molding techniques in the formation of the rapid prototype models.
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