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Rotational molding is ideal process for large, hollow, single wall plastic parts and components. However, not all parts are hollow as they can be very large covers, drainage pipe for run off applications and more. Below is a list of typical applications and markets for rotationally molded plastic parts.
Rotationally molded products are used extensively for OEM components, enclosures and housings, consumer products, medical appliances, aaterial aandling, industrial, agriculture, automotive, and defense markets.
Cases and lockers are ideal products for the rotomolding process. Generally large cases, lockers, munitions cases, footlockers, industrial equipment carriers and similar items can be rotationally molded to varying thicknesses, wall densities and exact dimensions in fairly small quantities. Designing in ribs can provide structural support for larger pieces.
Lawn and garden products like organic composters, rainbarrels, water conservation tanks and simulated stone speakers can all be rotationally molded in plastic to reduce weight and provide leak tight large volume containers. The demand for water conservation solutions is growing and designers are turning to rotomolders to produce colorful, low cost products that can often simulate or blend in with their natural surrounds. Rotational molding intricate designs like this rain water collection "urn" are achieved as the rotomolds spin in 360 degrees to create seamless, hollow parts. The following are samples of custom rotomolded lawn and garden products:
Medical spine boards and backboard are excellent applications for the rotational molding process. Most spine boards are wide and long yet need to be very strong. Designing a mold for the rotational process allows for the molding of a long, hollow part with handles and slots for accessories. Typically, rotationally molded backboards will be injected with poly foam to create an extremely light-weight board with a high level of structural integrity... often rated in excess of 400 pounds. Rotomolded boards also offer customers a wide range of color selections as well molded in graphic opportunities that allow for branding and property identification.
Large-scale covers, shields and lids can be formed rotationally. These can be used to protect snowmobiles and ATVs from road abuse, fastened to trailers, roofing applications and more.
See more rotatioanlly molded prats and compoents.