Mold Assembly

DESCRIPTION OF injection molding assembly

How to Design for Assembly

Searching for Symmetry

It might be hard to wrap your mind around at first, but many assemblies traditionally constructed of two unique components can often be made from a pair of identical parts.

Self-Mating Parts

But why not get rid of the screws altogether? Our gear housing example is now symmetrical, but it still requires manual installation of threaded inserts, never mind keeping track of all those pesky screws and washers.

Family Molds

Another way to achieve hero status is the use of family molds, which are ideal when producing a series of parts with similar shapes and sizes.

Hardware Harmony

Everyone’s heard the adage about reinventing the wheel. Designing and manufacturing your own nuts, screws, shafts, pins, keys, and dozens of other off-the-shelf components should be avoided at all costs. Better to redesign your product around standard hardware items, especially if production volumes are expected to rise at some point.

Moving to Monoform

The properties that make plastics such as polypropylene (PP) and styrene butadiene (SB) excellent candidates for living hinges.es of the chosen plastic are appropriate for the environment in which they’ll be used.

Easy Assembly

If a product must be assembled, attempt to make the task easier by orienting the various screws and connectors in such a way that all are accessible from the same side, thus minimizing part flipping and rotating.

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