A modular workstation includes a work module support having at least one work module support fastening region for fixing a work module to the work module support, a plurality of the work modules having a work module fastening region for detachable fixing to a work module support fastening region of the work module support. At least one of the work modules includes a work carrier movable in at least one movement mode and a work carrier drive for driving the work carrier for movement in the at least one movement mode.

The present invention relates to a welding jig micro-cleaning apparatus, and more particularly a welding jig micro-cleaning apparatus including a housing, a sandbox connected to the housing, an air supply unit connected to the sandbox through with a hose, a blasting gun positioned in the housing, a jig fixing portion positioned at a lower first end of the blasting gun, and a controller, wherein the jig fixing portion includes a magnetic unit configured to fix a welding jig.

A wheel holding device holding a wheel including an annular-shaped core body and a plurality of free rollers rotatably supported by the core body includes a central member including an outer peripheral part capable of expanding and contracting in a radial direction. The central member holds the wheel with the outer peripheral part of the central member urging an inner peripheral part of the wheel radially outward. The central member may include a chuck, a plurality of bases which are radially movably supported by the chuck and form the outer peripheral part of the central member, and a plurality of urging members which urge the respective bases radially outward with respect to the chuck.

The present invention makes it possible to weld workpieces to each other efficiently firmly by friction stir welding while reducing labor and man-hours. A friction stir welding method includes a fixing step, a temporary welding step S2, and a main welding step as follows. The fixing step includes fixing the workpieces W1 and W2 to a receiving table by pressing the workpieces W1 and W2 against the receiving table by means of a plurality of spring pins 10 that, are spaced apart from one another. The temporary welding step S2 includes spot-welding the workpieces W1 and W2 to each other by friction stir welding at locations different from positions of the spring pine 10. The main welding step includes line-welding the spot-welded workpieces W1 and W2 to each other by friction stir welding.

A vehicle body assembly system each forming a pre-buck section and a main-buck section set along a transport path of the floor assembly according to an exemplary embodiment of the present disclosure includes a pre-buck unit configured in the pre-buck section to regulate the seal side and the front and rear sides of side assemblies that are different for each vehicle type, and to assemble the side assembly and the floor assembly, and a main-buck unit configured in the main-buck section to regulates the roof portion and the quarter portion of the side assembly assembled to the floor assembly in the pre-buck section, assemble the roof portion, cowl, roof rail and package tray and assemble the quarter portion and the floor assembly.

A system for reflowing a semiconductor workpiece including a stage, a first vacuum module and a second vacuum module, and an energy source is provided. The stage includes a base and a protrusion connected to the base, the stage is movable along a height direction of the stage relative to the semiconductor workpiece, the protrusion operably holds and heats the semiconductor workpiece, and the protrusion includes a first portion and a second portion surrounded by and spatially separated from the first portion. The first vacuum module and the second vacuum module respectively coupled to the first portion and the second portion of the protrusion, and the first vacuum module and the second vacuum module are operable to respectively apply a pressure to the first portion and the second portion. The energy source is disposed over the stage to heat the semiconductor workpiece held by the protrusion of the stage.

There is provided an optical axis adjustment jig including a flat parallel-surface plate having an upper surface and a lower surface with reflective films disposed respectively thereon, and an image capturing unit disposed beneath the flat parallel-surface plate for capturing an image of a laser beam applied thereto. The flat parallel-surface plate is made of a material that is transmissive of a wavelength of the laser beam. The laser beam is applied through the flat parallel-surface plate to the image capturing unit. A tilt of the optical axis of the laser beam is detected on the basis of the shape of the beam spot of the laser beam whose image has been captured by the image capturing unit.

Provided is a method for assembling an automobile body including an orientation-maintaining step in which outer side panels (2) and a roof (3) are brought into contact with predetermined parts of an inner skeleton (1) so as to be held in predetermined orientations, and a joining step in which the outer side panels (2) and the roof (3) which have been brought into contact in the orientation-maintaining step are joined to the inner skeleton (1) in a state of enabling to maintain at least an orientation as the automobile body.

A mobile waterstop welding apparatus includes a first and second support member for supporting a first and second waterstop section, respectively. The second support member is movable between a loading configuration, a heating configuration, and a welding configuration. In the loading configuration, the first and second support members are spaced apart so that the first and second waterstop sections may be loaded onto the first and second support members. In the heating configuration, the first and second support members are spaced apart so that a heating iron may be placed in-between respective welding ends of the first and second waterstop sections. In the welding configuration, the first and second support members are moved towards each other so as to weld the first and second waterstop sections together at their respective welding ends. During the welding process, a spring assembly may urge the first and second support members towards each other.

A spacer grid welding fixture comprises a frame sized to receive an assembled spacer grid comprising a first set of parallel straps and a second set of parallel straps oriented orthogonally to the first set of parallel straps, the first and second sets of parallel straps interlocked together by slots cut into the straps. A first set of grid engagement bars is placed on a first side of the spacer grid with each grid engagement bar arranged parallel with the straps of the first set of parallel straps and engaging the straps of the second set of parallel straps. A second set of grid engagement bars is placed on an opposite second side of the spacer grid with each grid engagement bar arranged parallel with the straps of the second set of parallel straps and engaging the straps of the first set of parallel straps.