An automated polishing system includes a workbench, a transport unit and a polishing unit, wherein the transport unit is provided with a transport surface and a transport drive configured to drive the transport surface to move horizontally, and the polishing unit includes a supporting portion, a holding arm rotatably connected to the supporting portion, a holder connected to the holding arm, a horizontal drive configured to drive the supporting portion to move horizontally, a vertical drive configured to drive the supporting portion to move vertically, a horizontally rotating drive configured to drive the holding arm to rotate in a horizontal direction, a vertically rotating drive configured to drive the holder to rotate in a vertical direction, a polishing shaft, a polishing rotating device configured to drive the polishing shaft, and a polishing drive configured to drive the polishing shaft to move towards the holder for reciprocating motion.

An automated polishing system includes a workbench, a transport unit and a polishing unit, wherein the transport unit is provided with a transport surface and a transport drive configured to drive the transport surface to move horizontally, and the polishing unit includes a supporting portion, a holding arm rotatably connected to the supporting portion, a holder connected to the holding arm, a horizontal drive configured to drive the supporting portion to move horizontally, a vertical drive configured to drive the supporting portion to move vertically, a horizontally rotating drive configured to drive the holding arm to rotate in a horizontal direction, a vertically rotating drive configured to drive the holder to rotate in a vertical direction, a polishing shaft, a polishing rotating device configured to drive the polishing shaft, and a polishing drive configured to drive the polishing shaft to move towards the holder for reciprocating motion.

The present disclosure relates to a contiguous compression wire sprang polishing apparatus that continuously polishes end surfaces of compression wise springs (10) by upper and lower chain conveyers 100 and 200 and grinding units 300. The apparatus includes: two gaming units (300) each having a grindstone (350) to which rotational force of a motor (240) is transmitted through a gear box (260), the motor (240) having a rotary shaft being located above a central axis of the grindstone (350), and the two grinding units (300) being installed to be parallel and opposite to each other at opposite sides of a compression wire spring (10) fixed to the continuous compression wire spring polishing apparatus so as to polish opposite end surfaces of the compression wire spring (10); two hinge shafts (140), which are fixed at positions, which are spaced apart from grindstones in the lowest surface of the grinding units (300) by a predetermined distance, and which are inserted into and coupled to bearings, which are fixed to a body of the polishing apparatus; an upper guide (225) configured to prevent the compression wire spring (10) from springing out and a rod end fixing shaft (150) fixed to an end of the cylinder rod (170) of the pneumatic cylinder (180) inserted into and coupled to a bearing fixed at a position between the grindstone rotation shaft and the hinge shaft (140) in each of the grinding units (300). The grindstone rotation shaft of each of the grinding units (300) is turned into the vertical state or the horizontal state according to the forward and backward movements of the pneumatic cylinder (180), so that the two grindstones (350) of the grinding units (300), which are mounted to be parallel and opposite to each other, can be easily replaced.

The end face grinding method includes a structure rotating step of rotating a honeycomb structure based on a rotation axis in a direction orthogonal to the end face of the honeycomb structure, a grinding wheel reverse rotating step of using a grinding wheel disposed so that a grinding surface faces the end face and rotating the grinding wheel in a reverse rotating direction to a rotating direction of the honeycomb structure based on a rotation axis in the direction orthogonal to the end face; and a dry type grinding step of bringing the grinding wheel rotating in the reverse direction close to the rotating honeycomb structure to perform the dry type grinding of the end face.

The end face grinding method includes a structure rotating step of rotating a honeycomb structure based on a rotation axis in a direction orthogonal to the end face of the honeycomb structure, a grinding wheel reverse rotating step of using a grinding wheel disposed so that a grinding surface faces the end face and rotating the grinding wheel in a reverse rotating direction to a rotating direction of the honeycomb structure based on a rotation axis in the direction orthogonal to the end face; and a dry type grinding step of bringing the grinding wheel rotating in the reverse direction close to the rotating honeycomb structure to perform the dry type grinding of the end face.

Provided is a grinding machine that does not require work for replacing an upper roller (12) and a lower roller (14) and that ensures interchangeability thereof, even when the outer diameter of a workpiece (W) and the inclination state of the generating line of the workpiece (W) are different. A headstock (7) of the grinding machine comprises an upper-roller device (13) on which the upper roller (12) is rotatably supported, and a lower-roller device (15) on which the lower roller (14) is rotatably supported. The upper-roller device (13) and the lower-roller device (15) are provided with vertical position adjustment mechanisms (22), (46), respectively, for modifying the height position related to the vertical direction thereof, and a turn angle adjustment mechanism (21) for modifying the inclination angles of the upper-roller device (13) and the lower-roller device (15) with respect to the horizontal direction of the center axes thereof.

Provided is a grinding machine that does not require work for replacing an upper roller (12) and a lower roller (14) and that ensures interchangeability thereof, even when the outer diameter of a workpiece (W) and the inclination state of the generating line of the workpiece (W) are different. A headstock (7) of the grinding machine comprises an upper-roller device (13) on which the upper roller (12) is rotatably supported, and a lower-roller device (15) on which the lower roller (14) is rotatably supported. The upper-roller device (13) and the lower-roller device (15) are provided with vertical position adjustment mechanisms (22), (46), respectively, for modifying the height position related to the vertical direction thereof, and a turn angle adjustment mechanism (21) for modifying the inclination angles of the upper-roller device (13) and the lower-roller device (15) with respect to the horizontal direction of the center axes thereof.

An apparatus for metal-cutting machining of wear-affected bit-head-proximal end regions of bit holders of road milling machines encompasses: a rotary actuator having an output member rotating around an actuator rotation axis; at least one material-removing tool, rotatable around a tool rotation axis, which is coupled or couplable to the output member so as to rotate together; a positioning arbor, extending along an arbor axis, which is embodied for introduction into a bit receptacle opening of a bit holder and which comprises an abutment segment, located radially remotely from the arbor axis and facing away from the arbor axis in a direction having a radial component, which is embodied for abutment against an inner wall of the bit receptacle opening.

A material-removing region, populated with cutting edges, of the material-removing tool is arranged between the positioning arbor and the output member.

The present invention is a workpiece double-disc grinding method including supporting a sheet workpiece along a circumferential direction from an outer circumference side of the workpiece by a ring holder, and simultaneously grinding both surfaces of the workpiece supported by the ring holder with a pair of grinding wheels while rotating the ring holder, wherein the surfaces of the workpiece are simultaneously ground such that a wear amount of the grinding wheels per 1 m of a grinding stock removal of the workpiece ranges from 0.10 m to 0.33 m. This workpiece double-disc grinding method can reduce nanotopography formed in previous steps such as a slicing step without degrading the flatness in the double-disc grinding step.

A component according to the disclosure may include a body having an aperture therein for receiving one of a turbomachine shaft or a lathe chuck, wherein in response to the body being coupled to the lathe chuck, the aperture is oriented substantially axially relative to an axis of rotation of the body with the lathe chuck; and a flange coupled to and in direct axial contact with the body, the flange including a surface that extends axially relative to the axis of rotation of the body, wherein the surface of the flange comprises a matingly engageable face configured to contact an axially aligned surface during operation of the component and having a sanding indentation thereon, wherein a surface roughness of the surface of the flange is less than a surface roughness of a remainder of the component.