According to one example, an assembly for a repair of a compressor casing of a gas turbine engine is disclosed. The assembly can comprise: an arcuate track configured to be mounted to the casing, wherein when mounted to the casing the track is configured to be spaced in a substantially concentric arrangement from an inner surface of the casing; a carrier coupled to the track and movable therealong; and a machining device mounted to the carrier, the carrier configured to adjust at least an axial position of the machining device relative to the track for machining the inner surface of the casing.

A rail grinding machine, which is displaceable manually on the rails of a track in a longitudinal direction with a machine frame supportable on a rail by way of guide rolls and a grinding apparatus mounted on the machine frame in such a way as to be pivotable about a pivoting axis running in the longitudinal direction has a grinding drive motor with a drive shaft for a grinding tool to be arranged below the drive motor, the grinding tool being drivable for rotation. A blower is arranged above the grinding tool which moves air downwardly past the drive motor and the grinding tool.

A rail grinding machine, which is displaceable manually on the rails of a track in a longitudinal direction with a machine frame supportable on a rail by way of guide rolls and a grinding apparatus mounted on the machine frame in such a way as to be pivotable about a pivoting axis running in the longitudinal direction has a grinding drive motor with a drive shaft for a grinding tool to be arranged below the drive motor, the grinding tool being drivable for rotation. A blower is arranged above the grinding tool which moves air downwardly past the drive motor and the grinding tool.

A spindle reconditioning system includes an axle that is mounted on a vehicle. The axle has a spindle and the spindle has a distal end with respect to the axle and a bearing surface. A mount is provided and the mount slidably receives the spindle and engages the distal end of the spindle. Thus, the mount is oriented co-linear with a line extending through the distal end of the spindle and the axle. A grinding unit is movably coupled to the mount and the grinding unit is aligned with the bearing surface on the spindle when the mount is positioned on the spindle. The grinding unit abrades the bearing surface for reconditioning the bearing surface when damage on the bearing surface has been repaired thereby eliminating the need to replace the spindle when the spindle is damaged.

A spindle reconditioning system includes an axle that is mounted on a vehicle. The axle has a spindle and the spindle has a distal end with respect to the axle and a bearing surface. A mount is provided and the mount slidably receives the spindle and engages the distal end of the spindle. Thus, the mount is oriented co-linear with a line extending through the distal end of the spindle and the axle. A grinding unit is movably coupled to the mount and the grinding unit is aligned with the bearing surface on the spindle when the mount is positioned on the spindle. The grinding unit abrades the bearing surface for reconditioning the bearing surface when damage on the bearing surface has been repaired thereby eliminating the need to replace the spindle when the spindle is damaged.

A grinding machine, manually displaceable on a track, for grinding a rail of the track, includes a support frame which is guided on the rails via two rail guides and on which is disposed a drive motor coupled to a vertically adjustable grinding member. The rail guides each include a quick-change device in which one of at least two interchangeable rail guiding systems is fastened.

A grinding machine, manually displaceable on a track, for grinding a rail of the track, includes a support frame which is guided on the rails via two rail guides and on which is disposed a drive motor coupled to a vertically adjustable grinding member. The rail guides each include a quick-change device in which one of at least two interchangeable rail guiding systems is fastened.

A jig and tool are provided for rotating the tool around a pipe or pipeline, for truing the pipe end. An operator can easily installation the jig into the pipe end, with or without the cutting tool installed thereto. The tool can be manually or motor driven for rotation about the jig and the pipe end. The attachment of the tool to the jig enables alignment of the tool's cutting face with the pipe end, with angular and axial adjustment available for obtaining a profile suitable for welding to like pipe ends. In an embodiment, the tool can track the pipe diameter to retain alignment despite out-of-round dimensional variation. The tool is operated and rotated about the pipe end to remove material and, as necessary, the tool is adjusted into the pipe end and the rotation about the pipe end is repeated for incremental removal of material therefrom.

A jig and tool are provided for rotating the tool around a pipe or pipeline, for truing the pipe end. An operator can easily installation the jig into the pipe end, with or without the cutting tool installed thereto. The tool can be manually or motor driven for rotation about the jig and the pipe end. The attachment of the tool to the jig enables alignment of the tool's cutting face with the pipe end, with angular and axial adjustment available for obtaining a profile suitable for welding to like pipe ends. In an embodiment, the tool can track the pipe diameter to retain alignment despite out-of-round dimensional variation. The tool is operated and rotated about the pipe end to remove material and, as necessary, the tool is adjusted into the pipe end and the rotation about the pipe end is repeated for incremental removal of material therefrom.

An apparatus for surface finishing a flange surface of a flange of a pipe includes a frame assembly, a drive assembly coupled to the frame assembly, and a bracket assembly coupled to the frame assembly. The flange is clamped between the frame assembly and the drive assembly. The drive assembly circumferentially translates the apparatus around the pipe. A power tool is coupled to the bracket assembly to perform the surface finishing operation on the flange surface of the flange.