Abstract: An accessory includes a body that has a first hole surrounded by a first inner surface, and a component that has a first hole surrounded by a first inner surface to be engaged with the first inner surface. A method of manufacturing the component includes: a piercing step of forming, by blanking, the second hole through a sheet-like member of which the component is formed; a first reshaping step of swelling the second inner surface into the second hole by compressing a rim portion surrounding the second hole; a shearing step of cutting the component out of the sheet-like member; and a second reshaping step of rounding a tip portion of the second inner surface having swelled by the first reshaping. The second reshaping step includes barreling the component cut out by the shearing.

Abstract: A bearing component composed of a chromium-molybdenum-vanadium alloyed tool steel is produced by a process that includes: (i) performing a first preheating within a temperature range of 600-650° C., (ii) performing a second preheating within a temperature range of 850-900° C., (iii) austenitizing in vacuum at 1000-1180° C. for 20-40 min, (iv) gas quenching at a minimum of 4-5 bar overpressure, and (v) tempering by performing either a double temper at 520-560° C. for 1.5-2.5 hours in each temper, or a triple temper at 520-560° C. for 0.5-1.5 hours in each temper. The steel alloy may be composed (in mass percent) of 1.32-1.45 C, 0.32-0.50 Si, 0.26-0.48 Mn, 4.0-4.85 Cr, 3.35-3.55 Mo, 3.55-3.85 V, 0-0.13 W, 0-0.20 Ni, 0-0.15 Cu, 0-0.8 Co, 0-0.03 P, and 0-0.03 S, the balance being iron and unavoidable impurities. Mo may be replaced with W or vice versa in a replacement ratio Mo:W of 1:2.

Abstract: A method for setting a blind fastener comprising the steps of: providing a workpiece with a through hole; providing the fastener; providing a setting tool comprising: a tool housing; a screw tool with a male thread movable within the housing along and around a tool axis between a retracted and an extended positions; a first electric motor with a first drive shaft axially fixed to the tool housing, the first drive shaft defining a first axis radially spaced from the tool axis; a second electric motor with a second drive shaft axially fixed to the tool housing, the second drive shaft defining a second axis radially spaced from the tool axis and from the first axis; and a solid roller screw arranged for rotation and axial movement in the tool housing, and axially concentric with and in driving connection to the screw tool; supplying the fastener in front of the screw tool when the screw tool is in the retracted position; engaging the screw tool with the fastener; and setting the fastener to the workpiece.

Abstract: A protection and loading device for an interventional valve system is provided. The interventional valve system includes a valve and a delivery system. The valve is fixed on a distal rod body of the delivery system. The protection and loading device includes: a first protector, a second protector, and a third protector. The first protector is located at a front end of the distal rod body and encompasses a half of the valve. The third protector is configured to fix and sleeve on the distal rod body. In a protection state, the first protector cooperates with the third protector at the first position. In a state of valve loading the first protector cooperates with the third protector at the second position.

Abstract: A method of manufacturing a hub unit bearing (1) includes the step of applying an axial load to a shaft end of a hub body (21) so that a staking portion (26) for inner races (22a, 22b) is formed in the hub body (21). The load is adjusted based on at least one of first information acquired before applying the load and second information acquired while applying the load.

Abstract: The present invention provides a method of repairing a bearing bore defined by an inner surface of a bearing housing, for instance a bearing housing that is part of a wind turbine. The method includes applying a liquid resin to at least part of the inner surface of the bearing housing. The method includes mounting a bore insert in the bearing bore, where the bore insert includes an arcuate portion having an edge positioned along a line of required radius of the bearing bore, so that the liquid resin fills a gap between the inner surface of the bearing housing and the edge of the arcuate portion of the bore insert. The method includes removing the bore insert from the bearing bore after the liquid resin has solidified to repair the bearing bore to the required radius.

Abstract: An intelligent production line for motor pulley, include a processing mechanism; a feeding mechanism; a grasping mechanism; a detection mechanism, including a photographing device, a light source, a positioning block, and an image processing unit, the positioning block is used to place the pulley to be detected, the light source is used to illuminate the pulley to be detected, and the photographing device is arranged in the backlight direction of the light source, the image processing unit is used for acquiring the workpiece image of the pulley to be detected through the photographing device and detecting the workpiece parameters of the pulley to be detected through the workpiece image; a feedback mechanism, which communicates and connects the detection mechanism and the processing mechanism, and is used for acquiring the workpiece parameters and adjusting the processing parameters of the processing mechanism according to the parameters.

Abstract: The invention relates to a hold-down device for a joining drive and joining drive with a hold-down device. The hold-down device includes a hold-down cylinder, wherein the hold-down cylinder provides a hold-down force by means of a pressurized chamber. The pressure chamber consists of the hold-down cylinder and a punch of the joining drive. The pressurization required for the provision of the hold-down force is provided by a hydraulic circuit of the joining drive. In the joining mode, the pressure chamber of the hold-down device is connected to a pressure accumulator of the hold-down device, so that a change in volume in the pressure chamber of the hold-down device has no noticeable influence on the pressure in the pressure chamber.

Abstract: A method for forming a hitch ball head includes a pre-forging step, in which a columnar blank is prepared and is extruded to form a pre-forged blank; a first forging step, in which the pre-forged blank is extruded and drawn to form first and second forged portions; a second forging step, in which the pre-forged blank is extruded and drawn to shorten a length of the first forged portion and to form the second forged portion into a to-be-formed section and a columnar base section; a first forming step, in which the pre-forged blank is extruded to form the first forged portion into a ball head portion and to form the columnar base section into a connecting segment and a columnar segment; and a second forming step, in which the pre-forged blank is extruded to form the to-be-formed section into a seat section to thereby obtain the hitch ball head.

Abstract: A blade lifting assembly (50) for mounting a blade (22) to or unmounting a blade (22) from a rotor hub (20) of a wind turbine (10), including a gripper (52) configured for gripping a central region (54) of the blade (22), the gripper (52) including a blade rotation device (56) configured for rotating the blade (22) about a rotational axis perpendicular to a longitudinal blade axis (76) of the blade (22); a root support device (70) configured to be mounted to a root section (71) of the blade (22); and connecting members (74) connecting the root support device (70) to the gripper (52), the connecting members (74) being configured for transmitting an axial load (82) of the blade (22) from the root support device (70) to the gripper (52).

Abstract: A gearbox repair assembly is disclosed herein. The gearbox repair assembly includes a sleeve having an inner diameter configured to receive a bearing assembly and an outer diameter configured to fit within a bore of a gearbox housing. The gearbox housing can be part of a gearbox of a wind turbine. The gearbox repair assembly further includes a retaining plate configured to be attached to the gearbox housing for preventing an outer race of the bearing assembly from rotating in the bore relative to the gearbox housing. Also provided are methods to repair such a gearbox. The gearbox repair assembly and related methods reduce the time and cost needed to repair the gearboxes.

Abstract: A clamping method includes a step (S3) for applying, by a first support portion disposed on one surface side of a plurality of superposed members and a second support portion disposed on the other surface side of the plurality of members, a predetermined first pressure to the plurality of members, and sandwiching the plurality of members; a step (S4) for forming a through hole with respect to the plurality of members by a cutting tool with the first pressure; a step (S5) for applying a predetermined second pressure to the plurality of members after the through hole is formed, and sandwiching the plurality of members by the first and second support portions, the second pressure being lower than the first pressure; and a step (S6) for fixing a fastening part inserted into the through hole to the plurality of members by a riveting device with the second pressure applied.

Abstract: A centerless grinding processing in which a sliding contact surface (10) is subjected to grinding by pressing a grindstone against the sliding contact surface (10) of an inner ring (3) while rotating the inner ring (3) relative to the grindstone in a prescribed direction, and then, in the centerless grinding process, a finishing step in which grinding lines in a direction intersecting grinding lines formed on the sliding contact surface (10) are formed on the sliding contact surface (10) and/or processing for improving the surface roughness of the sliding contact surface (10) is performed is performed.

Abstract: Nut plate grippers, end effectors that include nut plate grippers, robots that include end effectors, installation systems that include robots, and related methods are disclosed herein. The end effectors include a nut plate gripper, a rivet holder, and a yoke that defines a nut plate gripper side and a rivet holder side. The nut plate gripper is operatively attached to the nut plate gripper side of the yoke. The rivet holder is operatively attached to the rivet holder side of the yoke such that the nut plate gripper and the rivet holder define a structure-receiving region therebetween. The nut plate gripper is configured to grip the nut plate. The rivet holder is configured to selectively retain a plurality of rivet heads of a plurality of corresponding rivets. The robots include the end effector. The installation systems include the robot. The methods include methods of utilizing nut plate installation systems.

Abstract: A tool for immobilising a first shaft of a gas turbine engine in relation to a second shaft of a gas turbine engine, the tool comprising a cylindrical body having a first end and a second end opposite the first end, the cylindrical body having one or more interior protrusions on the inner surface of the cylindrical body for engaging with the first shaft, and the outer surface of the cylindrical body having one or more exterior protrusions for engaging with the second shaft, the tool being configured such that at least part of the tool can be inserted within and held fixed relative to a section of the second shaft, and a section of the first shaft can be inserted within and held fixed relative to the interior of the cylindrical body.

Abstract: a tooling assembly for installation relative to a first and second turbomachine component is provided. The tooling assembly includes an axial mounting portion removably couplable to the first turbomachine component. The axial mounting portion includes a first plate, a second plate spaced apart from the first plate, and at least one turnbuckle assembly that extends between, and is coupled to, the first plate and the second plate. At least one of the first plate and the second plate include a radial compression portion. The radial compression portion includes a compression bar radially movable relative to the axial mounting portion and configured to contact the second turbomachine component.

Abstract: A system for providing a load on a bearing mounted to a shaft includes an attaching member releasably connectable to the shaft and a press mechanism in fluid communication with a source of fluid and configured to provide a compressive load to the bearing. The press mechanism includes a switch having a base and a piston in communication with the fluid such that an increase in a pressure of the fluid results in the piston extending upwardly from the base and a decrease in the pressure of the fluid results in the piston retracting toward the base. The switch includes a lower proximity sensor and a higher proximity sensor. The piston is configured to extend upwardly from the base past the lower proximity sensor and to trip the higher proximity sensor. The switch is configured to control the increase in the pressure in response to the piston tripping the higher proximity sensor.

Abstract: There are disclosed methods for withdrawal of a bearing from a gate mechanism including a mechanism housing, a carrier assembly, and discrete fasteners. The carrier assembly includes a carrier housing and a carrier bearing. The carrier bearing is supported for rotation within the carrier housing. The carrier housing has a carrier support mating with a receiving bore of the mechanism housing. The carrier housing has multiple flange fasteners aligning with housing fasteners and housing surfaces of the mechanism housing when the carrier housing mates with the receiving bore. Multiple discrete fasteners are removed from a first group of the flange fasteners aligned with the housing fasteners. The carrier assembly is displaced from the mechanism housing in response to inserting the plurality of discrete fasteners to a second group of the plurality of flange fasteners aligned with the plurality of housing surfaces.

Abstract: A foreign body removing device includes a foreign body removing tool for removing a foreign body that has adhered to a surface of a workpiece. This foreign body removing tool includes: a grip to be grasped by a worker; a blade that contacts the foreign body; and an airflow delivering portion for delivering compressed gas that has been supplied from a compressed gas supply source, as an airflow contacting the blade.

Abstract: Tooling assemblies and methods are provided. A tooling assembly includes a first plate, a second plate spaced apart from the first plate, and one or more members extending between the first plate and the second plate. The tooling assembly further includes a plurality of blocks mounted to the one or more members and arranged in one or more rows between the first plate and the second plate. The at least one block in the plurality of blocks defines an opening that corresponds with an exterior shape of a mounting portion of the rotor blade.