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The PHS-2 probe head mounts onto the CMM quill via a kinematic mounting plate. This allows for easy exchange of heads and for interchangeability with other Renishaw motorised head systems.

The kinematic joint cam is locked in place using the 5 mm A/F hexagonal key supplied with each kit.

Failure to ensure that the cam is fully locked could result in the cam unlocking during operation and the head becoming separated from the quill.

Kinematic joint locking mechanism (shown locked):

Technical drawing:  Technical drawing:  PHS-2 head installation