In this research, the print through errors are modeled in terms of the process parameters used to build a multi layered part. The irradiance incident on the resin surface when a given bitmap is imaged onto it is modeled as the Irradiance model. A MPSLA system is designed and assembled. The print through model is used to formulate a process planning method to cure multi-layered parts with accurate vertical dimensions. The models formulated and validated in this work are used to formulate a process planning method to build MPSLA parts with constraints on dimensions, surface finish and build time. Mask Projection Stereolithography is a high resolution manufacturing process that builds parts layer by layer in a photopolymer. Print-through errors occur in multi-layered builds because of radiation penetrating beyond the intended thickness of a layer, causing unwanted curing. To this effect, the Transient layer cure model is formulated, that models the curing of a layer as a transient phenomenon, in which, the rate of radiation attenuation changes continuously during exposure. The process planning method is demonstrated by means of a case study.
Process Planning Method for Mask Projection Stereolithography. Design and Analysis of a freeform microfabrication system and process
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Книга по Требованию
Should be press liable or not
Producers of mos goods a d services are co sidered worlds APAR from he press i ki d, o jus i degree. Holdi g producers i ordi ary marke s o ever higher s a dards of liabili y is see as PROCOMSUMER. Proposi g holdi g he press o a y s a dard of liabili y for poli ical i forma io is see as A IDEMOCRA IC. he press is co s i u io ally obliga ed o check o he gover me . Mos of policymakers jus ify legal liabili y for harms, caused by goods a d services a d qui e limi ed liabili y for harms, caused by i forma io . Liabili y for defec ive co sumer produc s is PREDICA ED o a marke failure. As for "u fair" producers, power of possible profi s PREVE co sumers from ra sla i g heir rue prefere ces for safe y a d quali y i o effec ive dema d. So, cus omer prefere ces remai ou side he safe y a d quali y decisio -maki g process of producers. oday, i 'll be a ew mecha ism o force producers o follow cus omers rue prefere ces. Lack of liabili y for defec ive or harmful poli ical i forma io ca be predica ed o ly o a differe ki d of supposed marke failure o a failure of he marke o SUPPLY he LEVEL of safe y ha cus omers wa bu i s failure o supply he amou of poli ical i forma io ha socie y should have.
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