The present disclosure provides an adjustable device for removing burrs of a back cavity of a wheel. The adjustable device for removing the burrs of the back cavity of the wheel includes a frame provided with a rotary table inside, a support frame is fixedly connected to the rotary table, and a left rotary table and a right rotary table are arranged on the support frame. The device is ingenious in design, novel in conception, high in universality, short in cycle time and high in efficiency, and is suitable for removing burrs of wheels in different specifications.

The present disclosure provides improved rail grinding tools. Precision-shaped grains (PSGs), such as PSGs manufactured by 3M® company, provide significant performance improvement in resin-bond and vitrified bond grinding wheels. The use of PSG improves the performance of portable bonded wheels and precision grinding wheels, such as resin bond roll grinding wheels, flute grinding wheels, vitrified gear grinding wheels, cylindrical grinding wheels, and surface grinding wheels. The formation and composition of (e.g., monolithic) and multiple-layer PSG grinding tools described herein provides improved performance of rail grinding tools.

An abrasive profiling tool that may be part of a robotic machining system for machining a trailing edge of an airfoil, includes a shank extending along a rotational axis, a bearing guide rotationally secured to a distal end of the shank for riding upon the airfoil; and an abrasive profiler projecting radially and rigidly outward from the shank for grinding at least the trailing edge as the shank rotates. The profiler may include a round-over portion for grinding the trailing edge and a chamfered blending portion for grinding adjacent surfaces of the airfoil to produce a smooth transition from the adjacent surfaces and to the trailing edge.

A grinding device of a travel path, on which traveling wheels of a rail-type vehicle roll, includes a grinder which grinds a surface layer of a travel path, a frame on which the grinder is provided, and a device traveling wheel mounted on the frame. The device traveling wheel rolls along the travel path on the top surface of the standard rail extending in the extending direction of the travel path.

The cutting method of a honeycomb formed body includes an end face cutting step of cutting both end faces of the ceramic honeycomb formed body before fired, by use of blade type rough-cutting grinding wheels in which coarse abrasive grain layers are formed; a honeycomb formed body rotating step of rotating the honeycomb formed body round a rotation axis which is a central axis perpendicular to the end faces of the honeycomb formed body; and an end face finishing step of disposing two finish-polishing grinding wheels via a predetermined distance so that finishing abrasive grain layers formed in the finish-polishing grinding wheels face each other, rotating the finish-polishing grinding wheels round a rotary shaft which is a central shaft of the finish-polishing grinding wheels, and moving the honeycomb formed body to pass the honeycomb formed body between the two finish-polishing grinding wheels, thereby finish-polishing cut surfaces which are cut.

A blade sharpening system may include a sharpening tool for sharpening a workpiece. The system may also include a sharpening fixture having a mounting surface for mounting a workpiece to be sharpened by the sharpening tool. The mounting surface may be disposed on a sled that is movable along a sharpening path that passes under a sharpening implement that may be mounted to a movable arm of the sharpening tool when the arm is in an engaged position. The movement of the sled may be coupled to the movement of the arm such that moving the arm from a disengaged position to the engaged position initiates the sled to move in a first direction along the sharpening path and moving the arm from the engaged position to the disengaged position initiates the sled to move along the sharpening path in a second direction.

A puncture needle includes a needle tube 1 provided with a spiral groove 3 and wall surfaces 3a and 3b of the spiral groove 3 serve as a surface for reflecting ultrasonic waves. The spiral groove is formed on the peripheral surface of the needle tube such that a grinding stone 2 is brought into contact with the peripheral surface of the needle tube while the needle tube 1 is being moved in its axial direction and rotated. The wall surfaces of the spiral groove formed on the needle tube serve as a reflection surface to change the orientation of the reflection surface in the axial direction of the needle tube according to change in position of the spiral. Therefore, even if a direction in which an ultrasonic wave is applied to the puncture needle is fixed, any portion of the reflection surface changing in orientation can become a surface for reflecting well ultrasonic waves, so that good ultrasonic waves can be obtained. The slant angles of the reflection surfaces in the axial direction of the needle tube can be changed by adjusting the moving speed in the axial direction of the needle tube or the rotation speed.

A processing machine for track processing includes a carrier which is connected to a chassis through a joint unit. A processing assembly and an energy supply unit are disposed at the carrier. The energy supply unit acts as a counterweight in a working state of the processing machine. The processing machine includes an adjustment mechanism for adjusting a distance between a center of gravity of the processing assembly and a center of gravity of the counterweight. A method for track processing is also provided. This enables simple, operator-friendly and flexible track processing.

An automatic grinding machine with positioning effect has a body, at least two positioning sets, and a processing set. The body has a base, a grinding mount, a drive device, and a fixture. The base has a chamber. The at least two positioning sets are connected to the body and each positioning set has a displacement device and an optical module. The displacement device is mounted in the chamber. The optical module is disposed on the displacement device and is moved relative to the grinding mount by the drive device to position locations of the grinding mount and a probe card. The processing set is electrically connected to the drive device and the fixture of the body and the displacement device and the optical module of each positioning set, and has a computer control interface.

The present invention relates to the technical field of material processing and provides a method for making a metal material composite, including: contacting a first surface of a first plate with a second surface of a second plate; placing the first plate and the second plate in a recess in a circumferential direction of a first roller such that a third surface of the second plate contacts a bottom wall of the recess in a circumferential, the third surface being opposite the second surface, the first plate having a greater hardness than the second plate; and controlling a first roller and a second roller to rotate, thereby rolling to combine the first plate and the second plate into a composite plate, where a fourth surface of the first plate contacts a surface of the second roller and the fourth surface is opposite the first surface during the rolling. According to the method for making a metal material composite in the present invention, flashings and burr on the side edges of a composite plate are avoided by placing the first plate and the second plate in a recess for machining.