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Ergonomics: the next machine feature?

OSHA’s ergonomic proposal could be good for end users and for machinery builders. Just don’t say that to Anheuser-Busch!

Chart 1
Chart 1

Ergonomics and packaging can be good news for machine builders and for their customers, says John Hunt, head of the Packaging Resource Center at 3M Co., St. Paul, MN. Hunt spoke at a mid-summer seminar on equipment safety sponsored by the Packaging Machinery Manufacturers Institute (Arlington, VA). In addressing the issue of the Occupational Safety & Health Administration’s proposal on ergonomics in the workplace, he encouraged PMMI members to add more ergonomic features to equipment.

Although the word “ergonomics” tends to scare some people, Hunt says it’s really simple. He pointed out an industry definition for it, “the science of fitting workplace conditions and job demands to the capabilities of the working population.” Plus he said it really amounts to a lot of common sense mixed in with some good science.

In essence, he said it involves the design of jobs, workplaces and equipment to eliminate or minimize excessive reaching, bending, twisting, lifting, pinching, pushing, forcing and squeezing actions by workers, along with awkward postures and, of course, manual repetitive motions. All of these ergonomic issues, Hunt says, “exist extensively in packaging operations.”

Later, he pointed out the benefits to a manufacturer whose workplace used good ergonomic design: improved morale; reduced fatigue, stress, pain and injury; and easier and more enjoyable jobs. Also, more people–from big men to petite women–are able to perform the same task, which is a fundamental objective of ergonomics.

Despite the allure of these benefits, too often management overlooks their value because they are “soft” benefits as opposed to bona fide cost savers. In effect, management says, “Show me the money!”

In response to that question, Hunt says the costs obviously vary from company to company, and he showed a 3M slide that displayed what OSHA calculates for direct and indirect costs in workplace injuries (Chart 1).

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