How can laminated object manufacturing (LOM) reduce waste and cost in rapid prototyping?

1 How LOM works

LOM uses a roll of material, such as paper, plastic, or metal, that is coated with an adhesive on one side. The material is fed into a machine that has a heated roller and a laser. The roller applies pressure and heat to bond the material to a platform or a previous layer. The laser then cuts the outline of the desired shape and perforates the excess material. The excess material can be removed manually or by a cross-cutting knife. The process is repeated until the model is complete.

2 How LOM reduces waste

One of the main benefits of LOM is that it reduces waste compared to other rapid prototyping methods. For example, subtractive methods, such as milling or drilling, generate a lot of material scraps that need to be disposed of or recycled. Additive methods, such as fused deposition modeling (FDM) or stereolithography (SLA), use more material than needed and create support structures that are often discarded. LOM, on the other hand, uses only the exact amount of material required for the model and does not need support structures. The excess material can be easily recycled or reused for other purposes, such as packaging or insulation.

3 How LOM reduces cost

Another benefit of LOM is that it reduces cost compared to other rapid prototyping methods. For example, the materials used for LOM are usually cheaper and more readily available than those used for FDM or SLA. Paper, plastic, and metal are common and versatile materials that can be found in various grades, colors, and textures. LOM also uses less energy and time than other methods, as it does not require melting, curing, or cooling of the materials. LOM can produce models in hours or days, depending on the size and complexity, while other methods can take weeks or months.

4 What are some advantages of LOM

LOM has some advantages that make it suitable for certain applications and industries. For example, LOM can create models that are strong, durable, and accurate, as the layers are bonded tightly and cut precisely. LOM can also create models that are large, complex, or hollow, as the layers can be stacked and shaped in various ways. LOM can also create models that are realistic and functional, as the materials can mimic the appearance and properties of the final product. LOM can be used for prototyping, testing, or manufacturing of products such as furniture, packaging, toys, or art.

5 What are some limitations of LOM

LOM also has some limitations that make it unsuitable for certain applications and industries. For example, LOM can create models that are rough, brittle, or flammable, as the materials are cut by a laser and exposed to heat. LOM can also create models that are limited in color, resolution, or detail, as the materials are pre-coated and have a fixed thickness. LOM can also create models that are difficult to modify, repair, or finish, as the materials are bonded permanently and have a rough surface. LOM may not be suitable for prototyping, testing, or manufacturing of products that require high precision, quality, or safety.

6 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?