What is the primary focus of innovation for modern roller chains, building upon late 19th-century designs?

Answer

Enhancing longevity through advanced material science, alloys, and surface treatments.

While the geometry established by Renold remains the standard, modern engineering focuses on improving durability in harsh environments by using specialized steel alloys, coatings, and lubrication systems to resist wear and extend operational life.

What is the primary focus of innovation for modern roller chains, building upon late 19th-century designs?
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