Having seen that ER Collet Chucks can perform well, it’s also important to realize that some care is required to ensure maximum performance from an ER Collet Chuck. Maximum performance means:

We start with runout, which is much better for ER Collet Chucks than setscrew holders. Low runout is critical to tool life.

1, Put the collet into the nut, turn the collet slightly. Push it into the nut at the offered direction evenly when the offset flange sinks into the undercut of the collet. Push on the bottom of the collet until the collet completely enters

The four critical requirements for tool holders are clamping force, concentricity, rigidity, and balance for high-spindle speeds.

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