The fact that rapid prototyping services have managed to take the entire world by storm is pretty old news. Wherever you go, you would be able to witness the monumental impact that rapid prototyping had made in almost all the industries. In addition, it managed to give all the creative and artistic people in the world to better showcase their skills. With the help of rapid prototyping, they managed to bring their projects to life, literally. This definitely allowed them to climb new heights of success – something which they never imagined that they could experience.
While it is definitely true that rapid prototyping is very artistic and innovative in nature, it would not be possible without precise and accurate measurements. This is because if the calculations have not been made accurately, then it could jeopardize the entire outcome. In this way, it would also not be possible to redo the whole thing, as rapid prototyping could be pretty expensive. So, in addition to accurate calculations, the maker would also have to understand the major role that the raw materials would play during the rapid prototyping process.
The Degree of Elasticity
In order to come to a definite conclusion, some members at Sculpteo undertook the responsibility upon themselves to run some tests. They wanted to find out the degree of elasticity that was created by the raw materials which were inserted inside the rapid prototyping machines. Even though some amount of information would be directly available from the manufacturers and raw material suppliers, the people at Sculpteo wanted to investigate the matter further. They wanted to test the exact degree of elasticity which is created by the raw materials during the production process. They felt that this was largely dependent on the production process which is applied. Based on that, they would decide which combination of raw materials would amount to the best possible outcome. Not only that, it would also allow them to predict which ones would be most likely to break or rupture during the production process.
Therefore, in order to carry out this experiment, one of the most well-known tests which exists in today’s time is the Young’s experiment. This is also known as the elastic or traction modulus. With the help of this experiment, certain data is presented. This includes the extent to which a material could become deformed compared to the amount of force which is exerted to it.
In order to provide information about the plastic behavior, elastic behavior, and rupture points, the members at Sculpteo wanted to carry out certain tests. A variety of materials are tested by Young’s modulus. When force is initially applied to a material, causing it to break, it is understood that the point of elastic behavior has been reached. However, this is before the deformation becomes permanent. On the other hand, when the deformation causes the shape of the material to change, then it can be concluded that the point of plastic behavior has been reached. After the material passes through all these stages and eventually breaks or ruptures, this is caused by continuous force being exerted.
Just like all the other tests which are performed in other cases, it is not possible to get accurate results on the first try. It is because of this reason that the rapid prototyping is conducted multiple times to derive the correct results. Majority of the tests were conducted at the MSSMat Laboratory over the course of two days. Various materials were put to the test. Some of them include – white plastic, black plastic, flexible plastic, as well as smoothing beautifier and dyeing.
Under the Young’s experiment, the test which was used at Sculpteo was the tensile test. This is usually referred to as an experimental measure, where certain efforts were undertaken to elongate the object. The entire elongation process is done at a constant speed. This process will continue until the object reaches its breaking point. Based on this, it would draw a curve which would depict the degree of elasticity of the material.
Even though Young’s experiment was conducted extensively on a wide range of materials, the people at Sculpteo were not happy with the results that were generated for the flexible plastic. This is because it did not allow them to come to any conclusive results. However, they were happy to note some interesting findings for the other two materials. They found out that the black plastic had a greater elasticity than the white plastic. As for the two interventions with the plastic materials – dyeing and smoothing beautifier – they found that it had a significant impact on the performance of the materials. This means that even a small change in the composition of these would bring about a significant change in the raw materials. This would be enough to alter the entire end result.
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