A three-dimensional printed metal component for a lubricated system is provided. The metal component includes a three-dimensional printed metal body formed of a plurality of metal layers of a first metal and having a contact surface configured to movingly contact another component of the lubricated system. The metal component further includes at least one first three-dimensional printed wear-identifying layer of a material different from the first metal embedded in the metal body at a predetermined depth, a predetermined distance from an outer surface portion of the contact surface. The predetermined distance defines a predetermined wear state of the contact surface associated with replacement of the metal component.

A disc brake, in particular for a commercial vehicle, has functional components that can be reused after use and subsequent examination for operational safety. The disc brake is designed in such a way that at least each of the safety-relevant functional components is equipped with at least one indicator, the operation-related service life of which is less than the safety-relevant ranges of the functional components.

Wear sensor and the corresponding wear element, assembly and use. The sensor is intended for a wear element in a bucket of an earth moving machine. The sensor includes a sensing electric circuit and at least one elongated arm (23) extending in a direction of detection defining a longitudinal axis. The arm (23) has a base (25) and an end. The end wears away together with the wear material of the wear element. The arm (23) includes a plurality of electrical connections (27) forming part of the sensing electric circuit and extending different lengths with respect to one another, measured according to the longitudinal axis along the arm (23).

Wear sensor and the corresponding wear element, assembly and use. The sensor is intended for a wear element in a bucket of an earth moving machine. The sensor comprises a sensing electric circuit and at least one elongated arm (23) extending in a direction of detection defining a longitudinal axis. The arm (23) has a base (25) and an end. The end wears away together with the wear material of the wear element. The arm (23) comprises a plurality of electrical connections (27) forming part of the sensing electric circuit and extending different lengths with respect to one another, measured according to the longitudinal axis along the arm (23). The invention also relates to a wear element of a bucket of an earth moving machine, to an assembly and to the use thereof for determining the wear.

A three-dimensional printed metal component for a lubricated system is provided. The metal component includes a three-dimensional printed metal body formed of a plurality of metal layers of a first metal and having a contact surface configured to movingly contact another component of the lubricated system. The metal component further includes at least one first three-dimensional printed wear-identifying layer of a material different from the first metal embedded in the metal body at a predetermined depth, a predetermined distance from an outer surface portion of the contact surface. The predetermined distance defines a predetermined wear state of the contact surface associated with replacement of the metal component.

A device for testing samples of material in a fluid upstream of a pump of a fluid pumping installation and a pumping installation comprising such a device, the device comprising: a casing having one inlet opening for the fluid and one outlet opening for the fluid, the outlet opening fixed to the pump; and a perforated cartridge to contain the samples of material to be tested, the perforated cartridge being arranged in the casing between the inlet opening and the outlet opening.

A method and apparatus are disclosed for testing one or more layers of a flexible pipe. The method includes the steps of applying a test cycle to a flexible pipe and simultaneously applying the same test cycle to a tubular test layer connected in an in-line configuration with the flexible pipe.

A disc brake, in particular for a commercial vehicle, has functional components that can be reused after use and subsequent examination for operational safety. The disc brake is designed in such a way that at least each of the safety-relevant functional components is equipped with at least one indicator, the operation-related service life of which is less than the safety-relevant ranges of the functional components.

A system for monitoring a wear of a screed plate of a paving machine is disclosed. The system includes a sensor located on the screed plate. The sensor generates signals indicative of the wear of the screed plate. The system further includes a controller coupled to the sensor. The controller receives signals from the sensor and determines the wear of the screed plate based on the received signals.

A device for testing samples of material in a fluid upstream of a pump of a fluid pumping installation and a pumping installation comprising such a device, the device comprising: a casing having one inlet opening for the fluid and one outlet opening for the fluid, the outlet opening fixed to the pump; and a perforated cartridge to contain the samples of material to be tested, the perforated cartridge being arranged in the casing between the inlet opening and the outlet opening.