Tool changers consist of two mating parts such as master and a tool. It is designed to lock together automatically. The master side of the tool changer mounts to the robot; the tool side of the tool changer mounts to the tooling.
Tool Length Offset Probe automatically measures the length of every tool in the automatic tool changer. It serves to check for broken tools or tool wear. It is one of the automatic tool changer. The tool offset probe allows calibrate various tool lengths during multiple tooling operations, compensate for tool wear and monitor tool breakage during machining.