Abstract: A cutting roller bearing part, formed as a component of a cutting roller holder for a cutting wheel of a tunnel boring machine, includes a load measuring unit disposed in a receiving space assembly including though lines which is hermetically sealed against an external atmosphere by external closures and a sealing element to provide accuracy and long-term stability for load measurements.

Abstract: A cutting tool for a tunnel boring machine, including a tool head equipped with a wear sensor detachably connectable to a tool holder. A line arrangement having a wireless, connector-free coupling module between the tool head and the tool holder is provided for connecting the wear sensors to an evaluation module. In the event of wear, a tool head to be replaced may be removed from the tool holder and a new tool head may be connected to the tool holder.

Abstract: In a cutting tool (106) for a tunnel boring machine, a tool head (115) equipped with at least one wear sensor (315) is present that is detachably connectable to a tool holder (206, 321). A line arrangement having a wireless, connector-free coupling module (312) between the tool head (115) and the tool holder (206, 321) is provided for connecting the or each wear sensor (315) to an evaluation module (330). In this way, in the event of wear, a tool head (115) to be replaced may very easily be removed from the tool holder (206, 321) and a new tool head (115) may be connected to the tool holder (206, 321) very easily and in an electrically safe manner. A tunnel boring machine equipped with at least one cutting tool (106) of this type is thus operable in a very efficient manner.

Abstract: A cutting roller bearing part, formed as a component of a cutting roller holder for a cutting wheel of a tunnel boring machine, includes a load measuring unit disposed in a receiving space assembly including though lines which is hermetically sealed against an external atmosphere by external closures and a sealing element to provide accuracy and long-term stability for load measurements.

Abstract: Lift pins and devices having lift pins are provided. According to an aspect, a lift pin may have a tapered distal portion. According to another aspect, a lift pin may have two portions threadedly engaged with each other. According to yet another aspect, a lift pin may be mounted to a lifting plate with slackness.

Abstract: A compact monitoring device for monitoring the state of rotation of a disk cutter of a shield tunnel boring machine is integrated into a clamping element for fastening the disk cutter. A sensor module of the monitoring device is arranged in close proximity to the disk cutter but without touching so that a state of rotation of the disk cutter generated by transmitters mounted in the disk cutter is reliably ensured even under the rough environmental conditions prevailing in shield tunnel boring.

Abstract: Lift pins and devices having lift pins are provided. According to an aspect, a lift pin may have a tapered distal portion. According to another aspect, a lift pin may have two portions threadedly engaged with each other. According to yet another aspect, a lift pin may be mounted to a lifting plate with slackness.

Abstract: A compact monitoring device for monitoring the state of rotation of a disk cutter of a shield tunnel boring machine is integrated into a clamping element for fastening the disk cutter. A sensor module of the monitoring device is arranged in close proximity to the disk cutter but without touching so that a state of rotation of the disk cutter generated by transmitters mounted in the disk cutter is reliably ensured even under the rough environmental conditions prevailing in shield tunnel boring.