Shaft collars are mechanical fasteners that secure a shaft or rod in place. They come in one-piece or two-piece designs and can be used for various functions. They are made of durable metals and can act as couplers, spacers, or stops. Replacement parts are available, and custom components can be made.
A shaft collar is a mechanical fastener that wraps around a shaft or rod with a screw or clamp to secure it in place. These devices are used for a variety of functions, ranging from spacers on a flagpole to acting as stops in a drive train. Shaft collar manufacturers typically offer a wide range of products and can fabricate custom components for special applications where off-the-shelf supplies will not function properly.
One-piece and two-piece shaft collar designs are available. In both cases, the locking collars cover the entire shaft and can vary in length and diameter. Most take the form of small rings. Technicians can lock the device in place by threading a screw through the collar and into the shaft, or lock it to distribute pressure more evenly and reduce the risk of damage to the shaft. Two-piece models can be clipped along the sides to lock onto a tree.
These components are typically made of durable metals that can withstand high operating stresses and a variety of conditions. In addition to functioning as mechanical stops, they can connect components to a shaft and can be used for positioning, limiting and spacing tasks, depending on the system. They can also act as couplers. Strength is determined by the materials used and the dimensions and can be customized for applications with unusually high stresses.
Shaft collars are a key part of many mechanical systems. They can come in a number of finishes to resist corrosion, limit the conduction of electricity, and perform other functions. The attachment points are usually recessed to reduce the risk of injury from protruding screws. Some designs may have screws that extend beyond the edges of the collar for specific functional reasons, usually at the request of a customer.
Replacement shaft collar components are available for systems with damaged or fatigued parts. It is important to purchase a part of the correct size and load tolerance to avoid problems and to install it correctly to limit the risk of problems such as a crack in the shaft. If a particular shaft collar design is no longer in routine production, a custom order may be possible or a company may determine if it has backlog to sell. Costs for custom components tend to be high, although companies may be able to get bulk discounts if they order multiple sets of shaft collars to have replacement parts available in the future.
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