Horn USA
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Production Machining's September 2024 News Highlights

Production Machining’s September 2024 news highlights include a STEM instructor award, acquisitions, partnerships and more.

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Historical vehicle outside Sunnen's HQ.

The converted 1916 Hupmobile where Joseph Sunnen ran his mobile business and camped with his wife. 
Source: Sunnen Product Co.

Sunnen Products Co. is celebrating its 100th anniversary. In 1924, Joseph Sunnen saw the need for a tool to help repair cylinder heads without injuring his fingers, which drove him to develop a custom valve compressing tool for quicker and safer operation. Early success led Sunnen to develop and patent a manual cylinder hone for auto garages. This basic honing device has now evolved into a CNC machining process by his company, Sunnen Products Co.

In 1928, Sunnen designed the first manual cylinder hone, establishing the company’s roots in precision bore solutions. Since then, Sunnen Products Co. has conceived, developed and delivered a continuing lineup of advanced honing systems, tools and abrasives, as well as other equipment.

In addition to its U.S. headquarters, Sunnen has operations in Switzerland, Germany, Austria, France, Italy, the U.K., China, India, Brazil, Belgium, the Czech Republic, Poland, Mexico and Canada. Read more about Sunnen here.

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