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Laminated Object Manufacturing

Laminated Object Manufacturing . By Allison Fletcher Computer Integrated Manufacturing Period 2B. The Process. Layer fabrication starts with sheet being adhered to substrate with the heated roller. The laser then traces out the outline of the layer.

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Laminated Object Manufacturing

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  1. Laminated Object Manufacturing By Allison Fletcher Computer Integrated Manufacturing Period 2B

  2. The Process • Layer fabrication starts with sheet being adhered to substrate with the heated roller. • The laser then traces out the outline of the layer. • Non-part areas are cross-hatched to facilitate removal of waste material. • Once the laser cutting is complete, the platform moves down and out of the way so that fresh sheet material can be rolled into position. • Once new material is in position, the platform moves back up to one layer below its previous position. • The process can now be repeated.

  3. Benefits of LOM • Layers of glue-backed paper form the model. • Low cost: Raw material is readily available. • Large parts: Because there is no chemical reaction involved, parts can be made quite large. • Outside of model, cross-hatching removes material • Models should be sealed in order to prohibit moisture. • Before sealing, models have a wood-like texture.

  4. ¡Laminated Object Manufacturing!

  5. Definitions • Additive-Adding material to an object usually layer by layer. Can be used as a synonym for rapid prototyping. • Subtractive-removing away of materials such as with mills, lathes, and drills • Compressive-compress large files to make them smaller. • Slice File-Slice Files are a unique type of file; they contain (or reference) a single piece of sample data, have a list of markers denoting "slices" of the sample, and also have a set of parameters such as tempo and time signature.

  6. Works Cited • http://www.efunda.com/processes/rapid_prototyping/lom.cfm • http://metals.about.com/library/weekly/aa-rp-lom.htm

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