A power saw system including a workstation having a table top surface, a saw arm coupled to the workstation at a first hinge member, the saw arm being configured to pivot toward and away from the table top surface about the first hinge member, a circular saw coupled to a distal end of the saw arm, and a second hinge member provided to the saw arm between the first hinge member and the circular saw, the second hinge member configured such that circular saw can be selectively rotated about the second hinge member in a direction lateral to an axis of the saw arm.

A miter saw has a base assembly, a table rotatably disposed on the base assembly, a support section rotatably connected to the table, a guide bar fixedly attached to and extending forwardly from the support section, and a saw assembly sliding along the guide bar. The saw assembly is pivotable downwardly for cutting a workpiece disposed on the table. A handle is disposed adjacent to a forward end of the guide bar. The handle is movable between a first position for fixing a rotational position of the support section relative to the table, and a second position for allowing rotational movement of the support section relative to the table.

During an assembly process for an aircraft, segments of the fuselage are fabricated separately prior to joining the segments together to form the complete fuselage. In order to ensure that abutting ends of the segments mate together correctly, a machining process is performed along the edges of the segments at their ends. One embodiment comprises a trim-tool assembly for machining proximate to an edge of a workpiece. The trim-tool assembly includes an indexing cart configured to mount to a track secured to a surface of the workpiece, where a setting on the indexing cart varies a distance between a centerline of the track and the edge of the workpiece. The trim-tool assembly further includes a tool cart configured to mount to and translate along the track, where the tool cart includes a process tool that performs a machining process on the workpiece at a fixed distance from the centerline of the track.

A power tool includes a housing, a trigger, a motor supported within the housing, a saw blade interconnected to the housing by a support arm and drivably coupled to the motor, a main handle integrally formed with the housing, an auxiliary handle coupled to the housing and disposed between the saw blade and the main handle, and a battery receptacle defined by the housing and positioned beneath the main handle. The battery receptacle is configured to receive a battery pack to supply electrical current to the motor. The power tool further includes a splash guard integrally formed with the housing and positioned between the battery receptacle and the saw blade.

A cold saw module may be a rail saw module that includes a cold saw configured to cut a railway rail along a cutting path, a rail alignment clamp configured to grip the railway rail near the cutting path, a feed actuator to drive the cold saw along the cutting path, and a module coupling element configured to selectively couple to a mating module coupling element of an articulated arm and/or a tool adapter. Cold saw modules may be used to cut metal workpieces such as a railway rail. Cutting a railway rail may include positioning the cold saw module at a cutting site along the railway rail installed in a railway, clamping the cold saw module to the railway rail, and cutting the railway rail at the cutting site with the cold saw module while the cold saw module is clamped to the cutting site.

A miter saw has a base assembly, a table rotatably disposed on the base assembly, a support section rotatably connected to the table, a guide bar fixedly attached to and extending forwardly from the support section, and a saw assembly sliding along the guide bar. The saw assembly is pivotable downwardly for cutting a workpiece disposed on the table. A handle is disposed adjacent to a forward end of the guide bar. The handle is movable between a first position for fixing a rotational position of the support section relative to the table, and a second position for allowing rotational movement of the support section relative to the table.

A rivering filtration system for a power saw machine includes a filtration tray having a filtration cavity for collecting operation fluid after the operation fluid is delivered onto the cutting blade, and a fluid collecting tray located underneath the filtration tray, wherein the fluid collecting tray has first and second cavities. The filtration tray provides a first filtration stage for filtrating the visible residual particles out from the operation fluid. The fluid collecting tray provides a second filtration stage that the operation fluid is slowly filled in the first cavity from the filtration cavity to ensure slurry residual particles in the operation fluid being deposited at the first cavity, and a third filtration stage that the operation fluid is slowly filled in the second cavity from the first cavity to ensure the slurry residual particles being filtrated out of the operation fluid.

A miter saw has a base assembly, a table rotatably disposed on the base assembly, a support section rotatably connected to the table, a guide bar fixedly attached to and extending forwardly from the support section, and a saw assembly sliding along the guide bar. The saw assembly is pivotable downwardly for cutting a workpiece disposed on the table. A handle is disposed adjacent to a forward end of the guide bar. The handle is movable between a first position for fixing a rotational position of the support section relative to the table, and a second position for allowing rotational movement of the support section relative to the table.

A circular saw machine capable of suppressing a cutting-bending of a circular saw blade during cutting, and improving processing accuracy for a cutting surface of a workpiece, regardless of a size of a width of the workpiece. A circular saw machine has: a processing head capable of moving in a cutting direction and its opposite direction and having a circular saw blade capable of rotating; and a movable saw blade guide set provided to be movable in the cutting direction and the opposite direction on the processing head, for guiding to pinch a body part of the circular saw blade on a diameter direction inner side of a cutting region in the circular saw blade. The movable saw blade guide set is configured to move relatively with respect to the processing head in the opposite direction, in coordination with a movement in the cutting direction of said processing head.

A cold saw module may be a rail saw module that includes a cold saw configured to cut a railway rail along a cutting path, a rail alignment clamp configured to grip the railway rail near the cutting path, a feed actuator to drive the cold saw along the cutting path, and a module coupling element configured to selectively couple to a mating module coupling element of an articulated arm and/or a tool adapter. Cold saw modules may be used to cut metal workpieces such as a railway rail. Cutting a railway rail may include positioning the cold saw module at a cutting site along the railway rail installed in a railway, clamping the cold saw module to the railway rail, and cutting the railway rail at the cutting site with the cold saw module while the cold saw module is clamped to the cutting site.