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Thursday, February 28, 2013

Hookes Law / Rapid Prototyping

Hookes Law

A. Perfect Elastic
1) Elasticity is a literal prop that causes it to restore to its fender shape after distortion. If it restores itself to exactly the original configuproportionn, the system is then considered to be Perfectly Elastic. Every literal has its own level of rubber bandity with some like the lenient wire or marbles having higher elasticity than cud gum or clay dough.
A perfectly elastic material wouldnt continue to function under these peck if lades applied to the system surpasses the elastic limit. When this occurs, the system starts to plastically deform (structure wouldnt return to its original shape).











2) Materials elasticity is define by a proportionality known as the Modulus of Elasticity. This is the ratio of rate of strain in relation to stress. A material with a higher modulus would be competent to handle forces advance than a material with a lower modulus. It also operator that a material that has a higher modulus of elasticity has the capacity to take more stresses without permanent damage (contains more elastic properties).



E = Modulus of Elasticity















3) Compressive strain is the ratio of decomposition caused by compressive load per unit duration measured along the longitudal axis.

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It is measured when the length of a structure changes because of a compressive force.







B) Torque 1)











NB. Specifications from (http://www.mdisensor.com/products/product_detail)

Torque detecting products have a wide range of application in many industries; from Agriculture where sensing equipment is needed in harvesters to the air travel industry where it is needed in helicopter engines. They come in a wide variety of sizes and applications; from hand tools to onboard sensing equipment. thither is a need for these products to be:
Robust; it should be able to handle difficult conditions such as dirt, grit, grease etc.
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