The present invention discloses a shafting structure of an integrated joint for a collaborative robot, wherein two ends of a long input shaft are respectively a motor rear end and a flexspline end, and a harmonic gear drive is installed on the flexspline end; the motor rear end is coaxially provided with a motor rear end bearing set, a motor rear end inner race pressing ring, a motor rear end outer race pressing ring, a motor rear end outer race seat and a motor rear end angle encoder mounting seat; and the flexspline end is provided coaxially with a flexspline end bearing set, a flexspline end inner race pressing ring and the harmonic gear drive. In the present invention high-precision position feedback and control can be realized.

The present invention relates to the field of conveyor(s), also known as belt transporters. In one form, the invention relates to conveyor(s) used in mines, quarries and/or ports which are typically hundreds of meters, or even kilometres long. In one particular aspect the present invention is suitable for use as applied to conveyor belts, parts and systems of a conveyor as well as methods of monitoring and communicating along conveyor(s). The invention relates to wear detection, systems and methods associated with wear detection.

A method of determining bearing preload by frequency measurement, the method including the steps of: providing a machine assembly including a bearing, a plurality of sensors in communication with the machine assembly, and a processor in communication with the plurality of sensors, measuring the following related frequencies of the machine assembly including the bearing with the processor; a noise floor energy, a broadband energy, enveloping harmonics, and an overall vibration energy, obtaining a numerical relationship by spectral analysis for each of the related frequencies and storing them into a memory, comparing the numerical relationship stored in memory for each of the related frequencies to a predetermined baseline value. A match between the numerical relationship for each of the stored frequency and the predetermined baseline value indicates a correct preload has been determined. Also, a system for carrying out the method.

A hub unit including an end cap for preloading and retaining a bearing unit on an axle. The end cap is provided with a sensor unit for detecting at least one of vibrations and temperature of the bearing unit.

An assembly comprising at least an electrical component mounted on a substrate. The component includes at least a first electrode and a second electrode. The substrate includes at least a first electrical conductor and a second electrical conductor. The first electrode is electrically connected to the first electrical conductor and the second electrode is electrically connected to the second electrical conductor. In a direction perpendicular to the substrate, the first electrode is located between the first electrical conductor and the second electrode. The second electrode is connected to the second electrical conductor by a connecting element extending between the second electrode and the second electrical conductor.

An integrated hanger bearing monitor is provided for reducing installation time and added weight that includes a sensor and an interconnect on a mounting bracket that is sized and configured to be attached to a hanger bearing mounting bracket via connectors that mount the hanger bearing mounting bracket to the helicopter.

A bearing arrangement includes a shaft, at least one contact bearing and at least one non-contact bearing and a controller. The controller is configured to control a magnitude of a restoring force applied to the shaft by the non-contact bearing in accordance with a sensed parameter such that a stiffness of the shaft is modified such that one or more resonance frequencies of the shaft are moved away from one or more external forcing frequencies.

A vacuum pump for rotary driving a rotor by a motor to perform vacuum pumping, wherein a motor rotor of the motor includes a yoke fixed to a shaft of the rotor, and a permanent magnet held at the yoke, and the yoke includes a holding portion provided apart from the shaft and configured to hold the permanent magnet, and a pair of fitting portions provided respectively at both ends of the holding portion in an axial direction and bonded to the shaft by fitting, and a radial thickness dimension of each fitting portion is set less than that of the holding portion.

A bearing device includes a bearing having an outer race with double-row outer raceway surfaces formed on its inner periphery, a hub wheel and an inner race having double-row inner raceway surfaces formed on outer peripheries thereof opposed to the outer raceway surfaces, and double-row rolling elements interposed between the outer and inner raceway surfaces. The bearing has a constant velocity universal joint separably coupled thereto with a screw fastening structure, in which a stem section of an outer joint member of the constant velocity universal joint is fitted to an inner diameter portion of the hub wheel, and in which a plurality of convex portions extending in an axial direction are formed on the stem section, and a plurality of concave portions having an interference with respect to only circumferential side wall portions of each of the plurality of convex portions are formed on the hub wheel.

A condition monitoring system for bearing units for vehicles, the system including at least one condition monitoring unit for measuring at least one operating parameter of one bearing unit and a control unit for receiving and processing signals obtained from the condition monitoring unit. The system additionally includes a circuit for detecting a geographic position, wherein the condition monitoring unit is configured to be at least one of activated and deactivated depending on the detected geographic position.