A system for machining an abradable material of a gas turbine engine and associated methods. The system includes a frame including a first arm extending from a central location. The system further includes an attachment structure coupled to the frame at the central location. Moreover, the attachment structure is configured to couple to at least a fan rotor of the gas turbine engine. Additionally, the system includes a cutting apparatus coupled to a first distal end of the first arm opposite the central location. The cutting apparatus includes a rotating shaft and plurality of cutting disks coupled to the rotating shaft. Further, the plurality of cutting disks define a helical cutting profile configured to machine a contour within the abradable material complementary to at least one fan blade of the gas turbine engine.

A guided circular saw system having a track and a ramp that is connected to a benchtop by a pair of hinge members. Hinge members are formed of a top section, a middle section and a bottom section and facilitate raising and lowering of the track in a quick and easy manner without tools. The track is raised to facilitate placing a workpiece under the track and then the track is lowered in place thereby engaging and holding the workpiece in place. A sled attached to a cutting device and the sled and cutting device slides along the track thereby cutting the workpiece. The track includes sacrificial grip strips that extend along the sides of the track and include an upper layer of material that is rigid and a lower layer of material that is compressible and has a high coefficient of friction and thereby holds the workpiece in place.

An automated method for restoring an end surface of a cylindrical component of a turbine engine by cutting a profile into the end surface is provided. A base of a cutting device is installed against an inner diameter of the cylindrical component. The base is the aligned to the end surface. A cutting head of the cutting device is positioned to a desired position to enable the cutting. A motor of the cutting device is activated to rotate the cutting head about a central axis of the cylindrical component to cut the end surface of the cylindrical component. A profile of the end surface is created by the cutting of the end surface via the motor. Upon activation of the motor, the cutting device is guided along a circumferential direction against the end surface. A system for cutting a profile into a surface of a cylindrical component is also provided.

Milling tool head assemblies, remote control systems, and portable machine tools including the same. A milling tool head assembly comprises a milling tool head carriage, a milling tool head with a milling tool head base pivotally coupled to the milling tool head carriage, and a milling tool carrier operatively coupled to a cutting tool. The milling tool carrier is configured to travel along a primary tool path, and the milling tool carrier is slidingly coupled to the milling tool head base to define a secondary tool path of the milling tool carrier. In some examples, a portable machine tool comprises a machine frame, a rotating ring, a bridge, a facing tool head assembly, and a milling tool head assembly. In some examples, a remote control system for a portable machine tool comprises an operator pendant, a control tether, a pneumatic conditioning unit, and an auxiliary conditioning unit.

A method for the in-situ reconditioning of a heavy workpiece mounted on the floor. The method comprises assembling a jig mounted on the floor so as to be arranged around the workpiece to be reconditioned, that is also mounted on the floor, the jig supporting a gantry at the two ends of same, on which there is mounted a precision robotic arm carrying at least one machining apparatus. The method also comprises the alignment of the workpiece and the jig using a precision laser alignment tool in order to allow the jig, the gantry and the robotic arm to form a precision machining apparatus. The method also comprises the reconditioning of the workpiece using the precision machining apparatus.

A portable computer numerical control (CNC) machine is described. The CNC machine has an X-axis, a Y-axis, and a Z-axis, and comprises: a machine head, a base comprising a pair of X-axis guiding rails; a connecting beam and at least one Y-axis guide rail; a sub-assembly having a platform and at least one Z-axis guide rail on the platform; and a tool assembly secured to the platform of the sub-assembly, as well as corresponding X-Axis, Y-Axis and Z-axis clamps to allow the machine head to move along the X, Y, Z axes. The tool assembly of the CNC machine further allows the machine head to rotate about an axis that is perpendicular to the Z-axis.

A portable computer numerical control (CNC) machine is described. The CNC machine has an X-axis, a Y-axis, and a Z-axis, and comprises: a machine head, a base comprising a pair of X-axis guiding rails; a connecting beam and at least one Y-axis guide rail; a sub-assembly having a platform and at least one Z-axis guide rail on the platform; and a tool assembly secured to the platform of the sub-assembly, as well as corresponding X-Axis, Y-Axis and Z-axis clamps to allow the machine head to move along the X, Y, Z axes. The tool assembly of the CNC machine further allows the machine head to rotate about an axis that is perpendicular to the Z-axis.

Apparatus (101) for supporting a workpiece (201), comprising a frame structure (102) for holding a workpiece (201), a base element (103) for supporting the frame structure (102), and a tool support element (110) for holding a tool. The frame structure (102) comprises lower and upper frame elements (107, 108) between which a workpiece (201) is receivable, and the upper frame element (108) is movable with respect to the lower frame element (107) in a Z-axis direction (106), for clamping a workpiece (102) therebetween. The tool support element (110) is movable with respect to the upper frame element (108) in an X-axis direction (104). The frame structure (102) is movable with respect to the base element (103), and with respect to a workpiece held between the lower and upper frame elements (107, 108), in a Y-axis direction (105). A CNC machine comprising the apparatus (101).

Apparatus (101) for supporting a workpiece (201), comprising a frame structure (102) for holding a workpiece (201), a base element (103) for supporting the frame structure (102), and a tool support element (110) for holding a tool. The frame structure (102) comprises lower and upper frame elements (107, 108) between which a workpiece (201) is receivable, and the upper frame element (108) is movable with respect to the lower frame element (107) in a Z-axis direction (106), for clamping a workpiece (102) therebetween. The tool support element (110) is movable with respect to the upper frame element (108) in an X-axis direction (104). The frame structure (102) is movable with respect to the base element (103), and with respect to a workpiece held between the lower and upper frame elements (107, 108), in a Y-axis direction (105). A CNC machine comprising the apparatus (101).

Drawing device for drawing a tool (T), comprising: a support (2), provided with rests (21), structured to be slidably arranged in contact with an inner wall of a tube, and an attachment (22) for a tool (T); a cursor (3), movable along a longitudinal direction (Y) between at least a starting position and a return position; magnetic means (4), predisposed to magnetically constrain the support (2) and the cursor (3) with respect to the displacement along the longitudinal direction (Y).