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Mountable shaft collars with face holes are designed to mate directly with components such as sprockets, pulleys, and metallic plates. Ruland manufactures them with drilled holes for mounting flexibility or threaded holes for the most secure connection between the collar and mated component. They are offered in steel, aluminum, and 303 stainless steel in bore sizes ranging from 3/8” to 2” and 10mm to 50mm.
Clamp style universal joints improve over set screw style because they do not mar the shaft, offer infinite adjustability, and can be used on all shaft types. Ruland is the only North American supplier of clamp style universal joints and manufactures the clamp feature, bores, and keyways in our advanced manufacturing facility in Marlborough, MA USA. They are available in sizes from 1/4" to 1 1/4” in steel for high strength and stainless steel for corrosion resistance.
What Is The Maximum Size Jaw Coupling You Can Make With A Keyway?
What Is The Maximum Size Jaw Coupling You Can Make With A Keyway?
Release Date: March 4, 2019
Keyways are a common feature in jaw couplings. In this video you'll learn about Ruland's experiences manufacturing larger jaw couplings with keyways and the potential drawbacks to doing so.
Transcript
Location: Tewksbury, MA Question: Do you make a jaw coupling that will work with 32mm and 14mm keyed shafts? Answer: When talking to the user it was determined that this was a single direction, high torque pump application. Not at all a fit for a beam coupling which is probably why it originally failed. Unfortunately, we do not make a 32mm jaw coupling hub with keyway. It requires us to move the key location, which is a special. We have also had customer break hubs as there is not enough material between the key and the hub tenon or the key and the OD. This compromises the structural integrity of the coupling and has led to failures in the field. This application is generally not a great fit for a zero-backlash jaw coupling. For a single direction, non-precision pump application such as this one the user is better of with a straight jaw coupling.
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