Abstract:
A securing system, such as a welding system, includes a robot configured to transfer a part to a home position. A securing station has a frame and a gun supported on the frame. The gun includes first and second members movable relative to one another, which are first and second weld gun electrodes, for example. The gun is configured to secure a component to the part in a securing position during a securing operation. A float assembly interconnects the gun to the frame and is configured to permit the gun to glide relative to the welding frame between the home position and the securing position. A homing assembly includes a homing guide configured to release the welding gun from the home position during the securing operation, such as resistance welding fasteners to sheet metal workpieces.
Abstract:
A method for the connection of components or component regions and a non-releasable connection produced in this manner. Two connection faces are partially welded to each other with an adhesive layer being incorporated between the two connection faces. The method including the following steps: arranging a welding base on a connection face, applying the adhesive layer to a connection face, moving the connection faces toward each other in such a manner that the welding base is applied against the other connection face, introducing welding current in the region of the applied welding base. A spacer is arranged between the connection faces before the connection faces are moved toward each other. The connection faces are spaced apart from each other in the region of the welding base by the extent that the welding base projects above the spacer.
Abstract:
An all-in-one jigless projection loading system for a vehicle is adapted to load and assemble a body component to a vehicle body. The all-in-one jigless projection loading system may include: a fixing bracket fixed to an arm of a robot; a position adjusting member rotatably mounted to the fixing bracket; a gripper mounted to the fixing bracket to be movable backward and forward, and gripping the body component; an array unit mounted to the position adjusting member, and arraying the body component; and a welding unit mounted to the fixing bracket, and projection-welding the body component to a vehicle body.
Abstract:
A welding electrode unit may include a repositioning device that is movable. The repositioning device may include a stored-energy means by way of which a welding electrode connected directly or indirectly with the stored-energy means can have a force applied to it for the purpose of a repositioning movement. The repositioning device can be moved into a welding position by way of a forward movement and can be locked in the welding position.
Abstract:
A resistance welding device is provided with a moving distance measuring section for measuring distances between conductors to be joined before and after joining and evaluating joining quality based on the distances, and a projection including a base and a projecting surface is provided to the conductor to be connected in order to easily secure a distance between the conductors after the joining.
Abstract:
An electrode structure is provided in which an upper pin having a magnet is built in a cavity inside an upper electrode so as to be vertically movable to allow its front end portion to protrude downward, and a lower pin is arranged so as to face the upper pin and built in a cavity inside a lower electrode so as to be vertically movable to allow its front end portion to protrude upward. In a state where the front end portion of the upper pin protrudes downward, the weld nut inserted onto it is attracted and held by the magnet. In a state where the upper pin is pushed upward by the lower pin, the weld nut comes off the upper pin and drops due to a less attracting force by the magnet, and then fitted onto the lower pin at a position higher than a workpiece.
Abstract:
A method for the connection of components or component regions and a non-releasable connection produced in this manner. Two connection faces are partially welded to each other with an adhesive layer being incorporated between the two connection faces. The method including the following steps: arranging a welding base on a connection face, applying the adhesive layer to a connection face, moving the connection faces toward each other in such a manner that the welding base is applied against the other connection face, introducing welding current in the region of the applied welding base. A spacer is arranged between the connection faces before the connection faces are moved toward each other. The connection faces are spaced apart from each other in the region of the welding base by the extent that the welding base projects above the spacer.
Abstract:
The invention relates to projection welding of a second metal sheet above a first metal sheet (50), wherein the first metal sheet is of a non-ferrous metal or metal alloy having as main component aluminum or magnesium, wherein the first metal sheet comprises an elongate projection that locally extends above the main upper surface of the first metal sheet to come into contact with the main lower surface of the second metal sheet, wherein the projection comprises an upper surface having a convex first section (65) with a first radius (R1) that defines in its middle the top height of the upper surface with respect to the main upper surface of the first metal sheet, and a convex second section (64) with a second radius (R2) along both elongate sides that merge into the first section, wherein the first radius is larger than the second radius.
Abstract:
A overlapped body 10 comprising steel plates 1a and 1b and satisfying (TS1×t1+TS2×t2)/(t1+t2)≧440 is energized while being sandwiched and pressed by a pair of electrodes 2a and 2b to form a molten pool 4b at a steel plate interface 4 and thereby to join the steel plates 1a and 1b. TS1 represents the tensile strength (MPa) of the steel plate 1a, t1 represents the thickness (mm) of the steel plate 1a, TS2 represents the tensile strength (MPa) of the steel plate 1b, and t2 represents the thickness (mm) of the steel plate 1b. An energization point 4a is formed at the steel plate interface 4, and spot welding is performed such that the molten pool 4b is formed at a position at a horizontal distance W of 20 mm or less from the energization point 4a.
Abstract:
A method for improving the weldability of hot stamping parts improving weldability of hot stamping parts with degraded weldability due to surface oxides is provided.In accordance with an embodiment of the present invention, a method for improving the weldability of hot stamping parts comprises: selecting a welding region in a hot stamping part; removing surface oxide of the welding region; and performing welding on a welding region on a hot stamping part with surface oxide removed.