What Is The Clamping Tolerance of a Quick Clamping Shaft Collar?

Release Date: February 11, 2019

Due to their unusual design, Ruland's Quick Clamping Shaft Collars with Cam Levers possess clamping tolerances that differ from those of standard clamp style shaft collars.

Transcript

Location: Melbourne, Australia
Question: What is the clamping tolerance of a quick clamping shaft collar?
Answer: This is one of the most frequent questions we get with quick clamping shaft collars: can it accommodate wide shaft tolerances? Well, the answer is "more than a standard collar but it is negligible." It is definitely not capable of six tenths of a millimeter as the customer needs. What the customer has done is a frequent misuse of the product in overtorquing the screw. This will cause the handle to tighten, if not become inoperable. It also deforms the collar, causing a loss of surface content and holding power. As an alternative we recommended the customer buy a collar with a smaller inner diameter and bore it up themselves, turn down the end of their shaft to a smaller size, or make a custom bushing to bring the size of their shaft up.

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