B23K33/008

METHOD OF FIXING BY WELDING AN INTERFACE SUPPORT ON A PROFILE OF A VEHICLE SEAT SLIDE
20210387551 · 2021-12-16 ·

A method of welding a support on a slide profile, which comprises: a) providing a support having a wall with an inner face, and providing a profile having a wall with an outer face, b) positioning the interface support with the inner face of its wall against the outer face of the wall of the profile, c) creating a welding joint between the wall of the support and the wall of the profile by moving a laser beam relative to the wall of the profile, while keeping the laser beam in a position such that it successively passes through, from an emitting source: the wall of the profile, then the wall of the support, while remaining within the material of the wall of the support.

DISSIMILAR METAL LASER WELDING
20220161362 · 2022-05-26 ·

A method of welding a component made from a ferrous alloy to a component made from an aluminum alloy includes machining and cleaning a fay surface on the ferrous alloy component, machining and cleaning a fay surface on the aluminum alloy component, depositing a layer of copper alloy material onto the fay surface of the ferrous alloy component, forming a weld groove on at least one of the layer of copper alloy material deposited on the fay surface of the ferrous alloy component and the fay surface of the aluminum alloy component, and laser welding the layer of copper alloy deposited on the fay surface of the ferrous alloy component and the fay surface of the aluminum alloy component to one another.

High strength joints between steel and titanium

A method of joining parts, where at least one of the parts has a faying surface defining grooves therein. One of the parts is formed of a majority of titanium, and the other part is formed of a majority of iron. The method includes providing a set of opposed welding electrodes disposed on a side of each part and applying pressure to and heating the parts via the set of electrodes to form a joint between the parts. A bonded assembly includes a first part formed of a majority of titanium and a second part formed of a steel alloy. The first and second parts having a bond that includes a portion of the first part directly in contact with and attached to a portion of the second part. The parts may be a titanium-containing differential carrier case bonded to a steel gear.

Wheel
20220134485 · 2022-05-05 ·

The disclosure provides a wheel. The wheel includes: a rim (10), a surface of an axial end of the rim (10) forming a first connecting surface (11); a spoke (20), a part of a surface of an axial end of the spoke (20) forming a second connecting surface (21), wherein the spoke (20) is laser welded with the first connecting surface (11) by the second connecting surface (21); and a welding bead structure (100) for fixedly connecting the rim (10) and the spoke (20) is formed at a contact position between the first connecting surface (11) and the second connecting surface (21), and the welding bead structure (100) is formed by a part of the rim (10) and a part of the spoke (20) being melted and then connected.

LAP FILLET WELD JOINT, PRODUCTION METHOD THEREOF AND MEMBER WITH CLOSED CROSS SECTION

A lap fillet weld joint and a lap fillet weld joint manufacturing method are provided. On a side of a first edge, a first metal plate is provided with a bulging portion that has an internal space of a prescribed size, and a second metal plate has a protruding portion that faces to the bulging portion and can be inserted into the bulging portion. In a state in which the protruding portion has been inserted into the bulging portion, the first metal plate and a second edge of the second metal plate are welded, and a first weld bead is formed.

PISTON BLANK, PISTON AND METHOD
20230243423 · 2023-08-03 ·

Piston blank for a piston, comprising a piston lower part, which comprises a first joining surface running around a central axis of the piston blank, and a piston upper part, which comprises a second joining surface running around the central axis and an inner surface running around the central axis and adjoining the second joining surface as viewed along the central axis, wherein the piston upper part can be placed with its second joining surface on the first joining surface, and wherein a tangential plane which is assigned to the second joining surface is inclined relative to the central axis such that the tangential plane intersects the inner surface.

Multi-thickness welded vehicle structure
11761052 · 2023-09-19 · ·

A process for preparing a multi-thickness welded steel vehicle rail, the process comprises the steps of: (a) forming a first tube having a first outer diameter, an inner diameter and a first wall thickness; (b) forming a second tube having the first outer diameter, a second inner diameter and a second wall thickness different than the first wall thickness; (c) swaging a first end of the first tube to a second outer diameter less than the second inner diameter of the second tube; (d) inserting the swaged first end of the first tube into an end of the second tube to form a joint; (e) welding the first tube and the second tube together to form a weld at the joint to form a tube blank with a heat affected zone of lower metal strength in the area of the weld; (f) preheating the tube blank to create a common crystalline microstructure along a length of the tube blank; (g) introducing the tube blank into a blow molding tool having inner molding walls; (h) molding the tube blank at an elevated temperature by expanding the tube blank against the inner molding walls of the molding tool by injecting a pressurized medium into an interior cavity of the tube blank; and (i) quenching the tube blank by replacing the pressurized medium with a cooling medium through the molding tool and the tube blank to achieve a rapid cooling effect on the tube blank and to create a completed vehicle rail with essentially uniform material strength across the weld. A completed vehicle rail has an overlapped welded structure and uniform microcrystalline structure along the length of the rail.

Localized mating surface for laser welding

An assembly and method of forming the assembly are disclosed. The assembly may include first and second components, the first component including a non-mating region and a mating region. The mating region may have an offset in a direction towards the second component and have a welding surface contacting the second component. A weld located within the welding surface may join the first and second components. The weld may be a laser weld. The method may include positioning a first component including a welding pad offset from a surrounding region of the first component such that the welding pad is in contact with a second component to form a gap between the surrounding region of the first component and the second component. The first component may then be welded to the second component in an area within the welding pad.

Carrier component for a vehicle application, and method for producing a carrier component of this type

A carrier component for a vehicle application, formed by two half-shells that are welded to one another at contact sides. When assembling the two half-shells for joining same at the contact sides, in a position in which the two half-shells are arranged above one another, the point of contact of the lower half-shell protrudes in relation to the external closed side of the other half-shell. The point of contact of one of the two half-shells protrudes inward in relation to the internal closed side of the other half-shell. A method for producing a carrier component from two half-shells is also disclosed.

Dissimilar metal laser welding

A method of welding a component made from a ferrous alloy to a component made from an aluminum alloy includes machining and cleaning a fay surface on the ferrous alloy component, machining and cleaning a fay surface on the aluminum alloy component, depositing a layer of copper alloy material onto the fay surface of the ferrous alloy component, forming a weld groove on at least one of the layer of copper alloy material deposited on the fay surface of the ferrous alloy component and the fay surface of the aluminum alloy component, and laser welding the layer of copper alloy deposited on the fay surface of the ferrous alloy component and the fay surface of the aluminum alloy component to one another.