gears

Relationship of Couplings and Gears: How They Work Together

December 7, 2016

The powertrain of an extended mechanical device is built from many parts, but few are more important than couplings and gears. These transmission-essential components are defined by a special relationship. Gears are the radial momentum manipulators of the engineering realm. Meanwhile, couplings are located at a place of prominence slightly further down the power transmission line, so where does this relationship join forces?

Bridging Design Limitations

Complex gearing configurations mesh to alter torque and manipulate drive shaft velocity. They're the orbiting components that enable kinetic energy to propagate forward, but where would they be without couplings? The relationship between the two very different gearing elements works equitably to extend that motion, to propel it through numerous drive shafts and prevent the radial energy from stopping short. Essentially, the tooth-edged elements manipulate power, but the couplings are the bridging parts that extend this momentum forward to the next gearing stage and beyond.

As alike as they’re at Odds

Many family relationships are based on a backbone of blood and bone, but they just don't exhibit many obvious correlations beyond parentage. The relationship between couplings and gears isn't so different. Gears are heat treated circular drive elements that adhere to precise dimensional parameters. Couplings, on the other hand, assume a cylindrical profile. Far from being heat treated and built from durable alloys, a great number of these shaft-bridging products are fabricated from elastomers and metal-reinforced collars. But there is a very definite relationship between them, a backbone built from drive shafts.

When Design Flexibility Met Design Obstinacy

At a fundamental level, both gearing elements perform similarly, although gears are tasked with more duties. Nevertheless, they both transmit power, they're both installed on the drive shaft, and they definitely are related due to this powertrain backbone. Where they differ is in their essential shape and a few functional differences. As stated, gears mechanically mesh via their edge teeth. Couplings reverse this contact configuration. They bridge drive shafts and lock them in place, but they're still responsible for efficiently propagating the same radial power, which is where the crux of this inferred relationship lays.

Undoubtedly, a strong relationship does exist between couplings and gears. Gears interact in sets, with their teeth meshing and rotating at speed. This process inverts and turns towards shaft unions when couplings are installed. Rigid or flexible, the shaft connecting contrivances sync drive elements and anchor them in place, all so that the powertrain can be adeptly extended.

Kelmar Engineering

95 Wayo St, Goulburn, NSW 2580

Phone: (02) 4823 9931

Email: kelmareng1@bigpond.com

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