Manufacturing Industry

No downtime on high volume production lines: quick change rotary bushings help line boring bars stay in position.(AUTOMATION FEATURE)

Production Technology News, June, 2006

Rotary bushings are commonly deployed in transfer line tooling applications such as auto-motive engine block cam, and crank boring. They pay automakers significant efficiency dividends because they guide line boring bars with the frictionless support they need to machine precision bores. A stride beyond the more common--and better known--common drill bushing, rotary bushings not only facilitate accurate cutting they also do away with heat, wear and chatter. Their use in production can boost CPK value as well, a calculation that gauges the extent to which a process has met the quality specification limits established by customers.

Although rotary bushings are a small but vital component of high-volume manufacturing they can also be an Achilles heel. This is...

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