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ITW Wash Arm Project

Raymath has a long history of serving the Food Equipment Industry. Within that industry, ITW Food Equipment is a leader in premium products and a valued customer of Raymath.  We manufacture parts for their Warewash, Food Machine, Cooking and Cleaning facilities. Over the years, we have worked closely with their product development team, giving input on how to make their parts easier to manufacture.

One of the more interesting projects involved the redesign of a wash arm for a stand alone dish washing machine. The engineers wanted to achieve more flow to the outer edges of the machine and were thinking of extending or adding on to each end.  The original design was a flat two piece assembly with the two parts crimped together, which limited flow and made it susceptible to leaks. Raymath engineers wanted to find a better alternative. Within days, Raymath gave ITW design suggestions. The result: a triangular shaped one piece design that was different from any wash arm that currently existed in the industry. Raymath was also able to quickly produce prototypes for review and testing.


The one piece design was inherently less expensive and eliminated the longstanding issue with leaks at the crimped seams. It easily provided the increased flow which was the original reason for the redesign. In addition, the new design was more aesthetically pleasing and as one marketing person said “looks like it belongs in this high end machine”. The net result: ITW patented this design and it became the standard wash arm for that product line.

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