Aug 14, 2013
3DPrintingNews
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Prototyping for the packaging industry.

Bottle produced in Watershed and SL7820 Stereolithography resins.

This week 124 years ago Dan Rylands of Hope Glass Works, Yorks, patented the worlds first screw bottle top. Despite changes in the materials, and overall aesthetics the screw bottle cap remains a prominent feature of the packaging industry and to mark this anniversary we take a look at the role of Rapid Prototyping can play in the packaging industry.

Regardless of industry, packaging can prove more important than the product itself when it comes to sales, it is the first thing a customer sees and can be the driving force between someone choosing your brand over one of your competitors. Getting the design of packaging right (in terms of both functionality and aesthetics) within tight project lead times and on budget can prove challenging and it is here that Rapid Prototyping proves a useful tool for the packaging industry.

Prototype models can be produced in a range of near production grade plastics suitable for functionality testing. Stereolithography can be used to produce high detailed, accurate models ideal for testing of blister pack fit, shelf footprint and overall functionality. In addition to offering a transparent model, water safe Watershed SLA resin also allows for design verification of liquid packaging.

Snap fits and living hinges can also be faithfully recreated in Nylon, from 3D CAD data using the Selective Laser Sintering process. Low volume runs of living hinges can also be achieved through Vacuum Casting using PX205 resin.

For firms wishing to move ahead with the creation of marketing materials prior to receipt of final packaging prototypes can be hand finished to simulate final production units for photography purposes.

By Roisin McLaughlin

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