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Bushings

Split Joints in Bushings (Infographic)

  The two main types of splits in bushings have pros and cons. Both the normal (or straight) split and clinch butt joint are outlined below.    

Wrapped Bushing Split Joints

Wrapped bushings – or bushes – have been around for decades. Their simplicity, efficiency and ability to take up space or protect the shaft are a testament to their versatility and long standing success. Aside from the materials used to form the bushing some with self-lubricating features, one of the questions that is frequently asked relate to the joint construction of the split along the bushing.

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The Case for Matching Shaft with Self-Lubricating Bushings

A bushing design that experiences frequent start-ups and shut-downs can lead to premature wearing – or even failure. This also happens when a bushing runs too dry, for example when there is a sudden loss of contact lubrication, an aggressive contamination influence or simply an under-designed mating shaft.

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Metal-Polymer Bushings and High Load Applications

One of the chief difficulties in traditional bushing design is lowing friction and preventing premature wear, despite lubrication. This lifecycle concern comes as no surprise given that efficient machines run around the clock and typically produce varying degrees of heat profiles within the operating systems. A secondary lubrication source, such as a costly grease or oil, should be avoided but may need to be considered to help manage the destructive heat influences.

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