A portable plasma cutting apparatus for coping and cutting pre-bend tubular members includes a control unit, a control arm, a first step motor, a second step motor, a linear drive mechanism, a rotary drive mechanism, a plasma cutter, a tube placement deck, and a platform. The control arm is operatively coupled with the first step motor by the rotary drive mechanism to rotationally drive the control arm around a rotational axis. The control arm is operatively coupled with the second step motor by the linear drive mechanism to linearly drive the control arm along the rotational axis. A torch of the plasma cutter is terminally mounted to the control arm and positioned in between the control unit and the tube placement deck as the control arm rotationally and linearly moves about the control unit. The platform provides the sufficient height for the portable plasma cutting apparatus.

An apparatus for repairing a metal sheet and method of operating the same are provided. The apparatus includes: a base unit including: a frame and an attachment feature on the frame, a cutting unit removably attachable to the base unit to cut out a damaged portion of the metal sheet, and a welding unit removably attachable to the base unit. The cutting unit includes: a cutting arm including a cutting blade, and a motor for operating the cutting arm. The welding unit includes: a fixed platform, a weld movement motor for moving a moveable platform on the fixed platform, and a welding assembly, attached to the moveable platform, to automatically weld a replacement piece to the metal sheet. In operation, the frame is continuously attached to the metal sheet during cutting of the damaged portion and welding of the replacement piece, providing a stable and repeatable frame of reference.

In one aspect, a pipe machining system is provided and includes a positioning apparatus, a pipe machining apparatus, and an adjustment member coupled to the positioning apparatus and a pipe machining apparatus. The adjustment member is configured to move the pipe machining apparatus relative to the positioning apparatus. In one aspect, the pipe machining system also includes a position tracking apparatus configured to identify a position of the pipe machining apparatus relative to a pipe on which the system is mounted.

A cutting torch guide assembly for cutting beveled openings includes a first rod that is hollow. A first sleeve is positioned around and slidably positionable on the first rod. A pin is coupled to and extends perpendicularly from the first sleeve. The pin is configured to couple to a metal substrate to define an axis of a penetration that is to be cut into the metal substrate. A second rod is positioned in and selectively extensible from the first rod. The first sleeve is positionable to select a diameter of the penetration on an opposing side of the metal substrate. The second rod is positionable relative to the first rod to select a thickness of the metal substrate. A ring coupled to the second rod is configured to insert a nozzle of a cutting torch so that the nozzle is positioned to cut a beveled penetration into the substrate.

A method and apparatus for applying a cladding layer to a surface of a component uses a cladding tool having a maximum reach less than the size of the surface. Geometry of the surface is segmented into a plurality of tessellated segments, each of which has a peripheral extent determined by a maximum reach of the cladding tool. A nominal tool subpath for each tessellated segment is generated, and then combined to generate a nominal tool path for depositing the cladding layer on the surface. The surface is clad using the nominal toolpath, including a process of adjusting the nominal tool path to an adjusted tool path that accounts for dimensions of the bead to be deposited by the tool to match an edge of the bead to be deposited with an edge of a previously deposited bead.

A pipe processing tool that is configured to deform the end of a pipe so that the circumferential shape of the end of the pipe generally matches the circumferential shape of an adjacent pipe end. Matching the circumferential shapes of the pipe ends is advantageous during a pipe attachment process. The pipe processing tool can include a deformation ring with a plurality of pipe deformation members. Each pipe deformation member faces radially inward and is actuatable in a radial direction toward and away from the center of the deformation ring in order to permit engagement with the pipe. Each pipe deformation member is individually and separately actuatable from the other pipe deformation members so that the circumferential shapes of the pipes can be altered by controlling suitable ones of the pipe deformation members.

A hole cutting system and device for a plasma torch. The system employs a two element guide member which ensures stability during the cutting process while virtually eliminating deviation from the desired circle radius. A hold down plate is used to secure the device in position. An adjustable torch cup holder is pivotally attached to a rotatable inner member. A stationary annular outer member is attached to the hold down plate and includes a plurality of hold down clips for securing a workpiece. An annular recess is formed in the outer member and is sized for slidingly engaging the rotatable inner member so that the annular outer member functions as a guide for the inner member. The diameter of the hole to be cut in the workpiece is controlled by adjusting the angular position of the torch cup holder. A plurality of circumferentially spaced handles are attached to the inner member and extend exteriorly of the outer member so that grasping and rotating the handles causes rotation of the inner member to effect cutting of the workpiece when an active welding torch cup is positioned in the torch cup holder.

An attachment to fit to a nozzle portion of an oxy-fuel torch that enables an operator to precisely cut a circle in a metal without having to move during operation is disclosed. The attachment includes a nut threadably attached to the nozzle portion that in turn holds a brass bushing that is concentrically and coaxially arranged inside a bearing within a bearing retainer. Further, a torch radius adjustment arm retainer is slidably locked to the bearing retainer via a dovetail joint and is configured to slidably receive a long arm of an L-shaped radius adjustment, further secured by a first thumb screw. The operator cuts the circle having a radius equal to distance between the nozzle portion and a replaceable radius pivot point threadably attached at end of a short arm of the radius adjustment arm by pivoting on said pivot point and rotating the torch in the circle.

A pipe processing tool that is configured to deform the end of a pipe so that the circumferential shape of the end of the pipe generally matches the circumferential shape of an adjacent pipe end. Matching the circumferential shapes of the pipe ends is advantageous during a pipe attachment process. The pipe processing tool can include a deformation ring with a plurality of pipe deformation members. Each pipe deformation member faces radially inward and is actuatable in a radial direction toward and away from the center of the deformation ring in order to permit engagement with the pipe. Each pipe deformation member is individually and separately actuatable from the other pipe deformation members so that the circumferential shapes of the pipes can be altered by controlling suitable ones of the pipe deformation members.

A cylinder welding system includes a welder that has a control unit, a welding head and a wire feed. Each of the wire feed and the welding head is electrically coupled to the control unit. A cart is provided and the cart is rollably positioned within a cylinder. A rotation unit is rotatably coupled to the cart and the rotation unit engages an inside surface of the cylinder. The rotation unit is electrically coupled to the control unit such that the control unit controls operational parameters of the rotation unit. In this way the rotation unit is actuated to rotate along the inside surface of the cylinder. The welding head is coupled to the rotation unit to weld the inside of the cylinder when the rotation unit rotates along the inside of the cylinder. In this way one cylinder may be automatically welded to another cylinder.