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  3. a when 3d parts are manufactured by stereolithography sla the...

Question: a when 3d parts are manufactured by stereolithography sla the...

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a When 3D parts are manufactured by stereolithography (SLA), the laser exposure at any point within the resin can be given by: 2 2r E(r,z)= laser exposure rradial distance from beam centre Jm2 im zdepth below resin surface PLlaser power Wo Gaussian half width Vslaser scan velocity Dp penetration depth ms From this equation derive an expression for the Maximum Exposure (Enax) and explain how you did this. Calculate Emax under the following SLA process conditions, and give your answer in the industry standard units of mJcm2 PL216mW Wo0.15 mm Dp 0.22 mm 8 marks]) Page 2 of 5
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