The present invention discloses a method for ultra-low temperature forming an ultra-thin curved part of a high-strength aluminum alloy. The method includes the following steps: step 1: selecting a cladding with a suitable thickness according to a wrinkle limit of a sheet; step 2: stacking the sheet and the cladding, then putting into a die, and closing a blank holder; step 3: filling a cavity of a female die with an ultra-low temperature medium to cool the sheet to below −160° C.; step 4: applying a set blank holding force by the blank holder, and enabling a male die to go down to form a thin-walled curved part; and step 5: opening the die and taking out the formed thin-walled curved part. The present invention utilizes the favorable formability of the high-strength aluminum alloy at the ultra-low temperature and the instability resistance of the thick sheet.

A sheet metal component that is made of a press-hardened steel sheet material and is to be used as a vehicle body component for a motor vehicle, is provided. The sheet metal component has at least one overhardened component region which is provided to act as a predetermined breaking point in the event of being subject to a crash load. A component assembly and a motor vehicle body, which have at least one such press-hardened sheet metal component, are also provided.

Apparatus (20, 22) and a method for mechanically joining a steel sheet portion (28 or 32) of advanced high strength steel to a metallic sheet portion (30 or 34) is performed to a light-safe extent by a detector assembly (106) during the mechanical joining that may be clinching, clinch riveting, full-punch riveting or self-piercing riveting.

A die for use with a cold-formed joint tool such as a clinching tool or clinch punch or self-piercing rivet punch. A split die made of a plurality of partial cup-shaped segments is disposed within a collar that defines a recess. The recess includes a forming area in which the cold-formed joint is formed and a relieved area in which the partial cup-shaped segments are shifted radially outwardly after forming to permit removal of the cold-formed joint tool from the cold-formed joint.

A riveting structure for a thin heat sink fin and a thin cover plate is disclosed. The riveting structure includes a plurality of thin heat sink fins and a thin cover plate. The top of each thin heat sink fin is provided with a raised portion, the thin cover plate is formed with a plurality of cover plate riveting holes, and the raised portion is pressed and deformed by a rolling device in a rolling manner to fill the space of a corresponding one of the cover plate riveting holes, thereby fixing the raised portion. It is suitable for a “thin” design, improves the assembly efficiency greatly, reduces the labor cost, and reduces the product defect rate effectively.

A method for manufacturing a heat dissipation device that includes stamping a composite plate including a welding material to form a first plate having a plurality of angled grooves, depositing powder in the plurality of angled grooves of the first plate, contacting the first plate to a second plate, and welding the first plate and the second plate together, and sintering powder to obtain a capillary structure.

A tension clamp (19) includes a band (20) surrounding an object to be fastened and a buckle (21) arranged on the inner band end portion (22) and surrounding the band (20), with the outer band end portion (23) extending through the buckle (21). A tool for mounting the tension clamp includes a holding device for holding the buckle (21) along with the band (20) surrounding the object to be fastened, a tensioning device for tensioning the band (20) round the object to be fastened by applying tension to the outer band end portion (23), a locking device (50) for locking the buckle (21) on the band (20), and a severing device for cutting off excessive band length. The locking device (50) has plier jaws (54) adapted to be inserted into lateral windows (25) of the buckle (21) for deforming side edge portions (24) of the other band end portion (23).

Techniques for implementing and/or operating a deployment system that includes a vehicle frame of a deployment vehicle, a drive sub-system, which includes wheels secured to the vehicle frame, a swage machine, and a fluid power sub-system. The swage machine includes a grab plate, which interlocks with a grab notch on a pipe fitting to be secured to a pipe segment, which includes tubing that defines a pipe bore and a fluid conduit implemented in an annulus of the tubing, a die plate including a die, and a fluid actuator that actuates the grab plate toward the die plate to facilitate conformally deforming a fitting jacket of the pipe fitting around the tubing of the pipe segment. The fluid power sub-system selectively powers the drive sub-system or the swage machine based on a target operation to be performed by the deployment vehicle.

The invention relates to a hold-down device for a joining drive and joining drive with a hold-down device. The hold-down device includes a hold-down cylinder, wherein the hold-down cylinder provides a hold-down force by means of a pressurized chamber. The pressure chamber consists of the hold-down cylinder and a punch of the joining drive. The pressurization required for the provision of the hold-down force is provided by a hydraulic circuit of the joining drive. In the joining mode, the pressure chamber of the hold-down device is connected to a pressure accumulator of the hold-down device, so that a change in volume in the pressure chamber of the hold-down device has no noticeable influence on the pressure in the pressure chamber.

A fixing device places and layers a plurality of members between a die and a punch disposed in an opposed manner, and presses and fixes the plurality of members. The plurality of members include a first member including a first fixation portion, a second member including a second fixation portion smaller than the first fixation portion, and a third member including a third fixation portion larger than the second fixation portion. The die includes a projected portion that protrudes toward the punch, and the punch includes a sheltering portion recessed along a shape of the second fixation portion. The die and the punch press the first fixation portion and the third fixation portion, thereby forming an extruded portion and forming a recess-projection fitting structure EG in a thickness direction, so that the second fixation portion is sandwiched and fixed therebetween.