In a method for end processing a surface of a shaft-like workpiece, the following steps are performed in the following series, and the workpiece rotates about an axis of rotation: a) finishing the surface with a first finishing tool, b) machining the surface with a scoring tool, whereby the scoring tool produces at least one groove running in a circumferential direction, whereby the at least one groove produces 3 to 12 profiled gorges on a reference segment which reference segment has a length that is predetermined by a measuring method for roughness determination and which is extending on the surface parallel to the axis of rotation, each of said profiled gorges having a depth and width, whereby the ratio of the depth and width of each profiled gorge is greater than 2 and a distance between adjacent profiled gorges is substantially the same,
c) machining the surface with the first finishing tool or a second finishing tool.

A blade for a skate for skating on ice. The blade includes ice-contacting material with an ice-contacting surface for contacting the ice. The ice-contacting surface has a machined longitudinal profile with a radius of curvature that varies smoothly over a majority of the length of the blade. Such a radius of curvature may, in some cases, be an elliptical arc.

The present application relates to a method for controlling a repairing apparatus and a repairing apparatus. The method for controlling the repairing apparatus includes: measuring, by a sensor, a height of a target object when a grinding part of the repairing apparatus completes positioning the target object; calculating an idle distance of a grinding belt on the grinding part in a predetermined process according to the height of the target object, in which, the predetermined process is the grinding part descending from the initial position to the highest position of the target object; and driving a motor to rotate back the grinding belt on the grinding part for the idle distance, and repairing the target object through the grinding belt on the grinding part.

A robotic device that can include an end effector configured to manipulate one or more tools that drives one or more consumable abrasive products to abrade a substrate along several different surface dimensions, wherein the end effector comprises: three linear actuators each configured to move orthogonal relative to one another and at least one tool mount coupled to one of the three linear actuators and coupled to the tool.

A blade for a skate for skating on ice. The blade includes ice-contacting material with an ice-contacting surface for contacting the ice. The ice-contacting surface has a machined longitudinal profile with a radius of curvature that varies smoothly over a majority of the length of the blade. Such a radius of curvature may, in some cases, be an elliptical arc.

An object of the present invention is to provide the diamond polishing device having a function capable of performing polishing even a surface of a semi-closed space such as an inner circumferential surface of a cylinder member or a ring member. The polishing device of the present invention includes a polishing member having a long shape, means for delivering and winding the polishing member, a polishing member support that holds the polishing member to be capable of being wound and displaced, a base to which the polishing member support is attached, and pressing means for pressing the base toward a machining surface of a member to be polished. The base includes an extending section that extends in a direction different from the pressing direction. The polishing member support is disposed at a distal end portion of the extending section.

The present disclosure provides a belt transmission device and a grinding apparatus. The device comprises: a grinding stand; rotation wheels mounted on the grinding stand, including a driver wheel and driven wheels; a grinding belt supported by rotation wheels; a first sensor fixedly provided on the grinding stand and configured to detect a rotation speed of any one of the driven wheels; and a controller configured to control a rotation speed of the driver wheel and connected with a driving motor of the driver wheel, wherein the controller is further connected with the first sensor, receives rotation speed signals of the one driven wheel detected by the first sensor, calculates difference between the rotation speeds of the driver wheel and the one driven wheel, and compares the difference with a predetermined difference range in the controller; and when the difference is beyond the predetermined difference range, an alarm is provided.

A transverse hairline forming apparatus includes a coil supporting unit to which a stainless steel coil is rotatably disposed; a coil winding unit spaced apart from the coil supporting unit, the coil winding unit holding and winding an end of the stainless steel coil; and at least one pair of surface treatment units disposed between the coil supporting unit and the coil winding unit, the at least one pair of surface treatment units configured to form transverse hairlines on a surface of the stainless steel coil perpendicular to a winding direction of the stainless steel coil. While the stainless steel coil is unwound and rewound on the coil winding unit, when the stainless steel coil passes below the at least one pair of surface treatment units, the at least one pair of surface treatment units form the transverse hairlines on the surface of the stainless steel coil.

A device for finish-machining a workpiece in the form of a crankshaft or a camshaft includes a workpiece holder and a rotational drive configured to rotate the workpiece about a workpiece axis. A first finishing tool is configured to machine a main bearing which is concentric with the workpiece axis. A second finishing tool is configured to machine an additional bearing which is radially offset from the workpiece axis. A first tool drive is configured to generate an oscillating movement of the first finishing tool in a direction parallel to the workpiece axis. A second tool drive is configured to generate an oscillating movement of the second finishing tool which is independent of the movement of the first finishing tool in a direction parallel to the workpiece axis.