A loading device for a plunge-cut grinding machine for centerless external cylindrical grinding includes a receiving frame, a support body, and a displacement actuator. The receiving frame is open in a gravitational direction and is for receiving a blank workpiece to be machined. The support body forms a support base for the blank workpiece. The displacement actuator is for axially displacing the receiving frame relative to the support body and into a grinding gap of the plunge-cut grinding machine. The receiving frame includes a conveying stop on an axially facing end face. The conveying stop is for axially expelling a final workpiece arranged in the grinding gap.

A device for connecting a cooling nozzle to a cooling lubricant supply for a grinding machine includes a central axis, a housing arranged for receiving the cooling nozzle, a rotary-linear transmission and a tube section. The rotary-linear transmission has a drive element, pivotable about the central axis, and a manual lever fixed to the drive element. The tube section is rotationally fixed in the housing and movable along the central axis by the rotary-linear transmission to be pressed against the cooling nozzle. The rotary-linear transmission may be a self-locking transmission. The drive element may have a thread structure which extends over less than a full revolution.

Embodiments of the present disclosure relate generally to an apparatus and method for treating a rotatable component. An apparatus according to the present disclosure can include: a sliding engagement member configured to slidably engage a portion of a rotating component that is temporarily stationary; and a tool engaging member for positioning a machining tool relative to the rotating component to machine a surface of the rotating component, wherein the tool engaging member is rotatable to one of a plurality of angles relative to the sliding engagement member.

Embodiments of the present disclosure relate generally to an apparatus and method for treating a rotatable component. An apparatus according to the present disclosure can include: a sliding engagement member configured to slidably engage a portion of a rotating component that is temporarily stationary; and a tool engaging member for positioning a machining tool relative to the rotating component to machine a surface of the rotating component, wherein the tool engaging member is rotatable to one of a plurality of angles relative to the sliding engagement member.

A wheel burr cleaning device comprises a lower turnover system, a lower turnover system, a center hole burr brushing system, a back cavity burr brushing system, an upper lifting rotation system. The present disclosure not only can be used for removing burrs from the center hole of the wheel, the roots of the flanges and the edge of each spoke, but also can adapt to the wheels of different sizes and different widths.

A center shaft machining apparatus includes: a grinding structure that moves on a machining central axis while rotating about the machining central axis and machines an end surface on one end side of a workpiece arranged on the machining central axis; an end portion support structure that supports an opposite end side of the workpiece; and a shaft portion support structure that supports a shaft support portion set at an intermediate portion of the workpiece. The end portion support structure includes an eccentric mechanism capable of supporting an opposite end of the workpiece in a state where a workpiece central axis of the workpiece is eccentric with respect to the machining central axis.

A center shaft machining apparatus includes: a grinding structure that moves on a machining central axis while rotating about the machining central axis and machines an end surface on one end side of a workpiece arranged on the machining central axis; an end portion support structure that supports an opposite end side of the workpiece; and a shaft portion support structure that supports a shaft support portion set at an intermediate portion of the workpiece. The end portion support structure includes an eccentric mechanism capable of supporting an opposite end of the workpiece in a state where a workpiece central axis of the workpiece is eccentric with respect to the machining central axis.

A system for polishing a cylindrical lip-seal surface includes a spin platter, a polisher having an abrasive surface, and a fixture. The spin platter rotates about a rotation axis to spin a workpiece, shaped as a hollow cylinder, about a cylinder axis of the hollow cylinder. The fixture holds the polisher against an outward-facing cylindrical surface of the hollow cylinder to polish the cylindrical surface with the abrasive surface while the workpiece is spun by the spin platter. A method for polishing a cylindrical lip-seal surface includes spinning, with a spin platter, a workpiece shaped as a hollow cylinder about a first cylinder axis of the cylinder. The method also includes holding, during the spinning, a polisher having an abrasive surface against an outward-facing cylindrical surface of the hollow cylinder to polish the cylindrical surface.

A system for polishing a cylindrical lip-seal surface includes a spin platter, a polisher having an abrasive surface, and a fixture. The spin platter rotates about a rotation axis to spin a workpiece, shaped as a hollow cylinder, about a cylinder axis of the hollow cylinder. The fixture holds the polisher against an outward-facing cylindrical surface of the hollow cylinder to polish the cylindrical surface with the abrasive surface while the workpiece is spun by the spin platter. A method for polishing a cylindrical lip-seal surface includes spinning, with a spin platter, a workpiece shaped as a hollow cylinder about a first cylinder axis of the cylinder. The method also includes holding, during the spinning, a polisher having an abrasive surface against an outward-facing cylindrical surface of the hollow cylinder to polish the cylindrical surface.

A loading device for a plunge-cut grinding machine for centerless external cylindrical grinding includes a receiving frame, a support body, and a displacement actuator. The receiving frame is open in a gravitational direction and is for receiving a blank workpiece to be machined. The support body forms a support base for the blank workpiece. The displacement actuator is for axially displacing the receiving frame relative to the support body and into a grinding gap of the plunge-cut grinding machine. The receiving frame includes a conveying stop on an axially facing end face. The conveying stop is for axially expelling a final workpiece arranged in the grinding gap.