Controlling overlap, position, and orientation of multiple laser irradiation areas enables precise riblet and pattern structure formation.
Bent flange portions on excess material resist inflow during bulging press forming, reducing springback and improving shape accuracy.
Controlling HAZ hardness difference, soft phase band width, and grain size improves flashbutt welded steel joint toughness and processability.
Alternating die contact and retraction controls sheet cooling to preserve shape accuracy and local properties without longer press holding.
End joints use rivets while intermediate sections use friction stir welding to keep joining strength high and manufacturing cost lower.
A variable die shoulder radius guides material flow in recessed curved press parts to prevent fractures and wrinkles in high-strength sheets.
An intermediate alloy layer dilutes the weld pool in 7075 aluminum resistance welding, reducing brittle phases and improving joint strength.
An angled flange gap vents zinc vapor ahead of the weld pool, reducing porosity and spatter while preserving weld strength.
Peripheral laser welds added to resistance spot welds constrain cracks from brittle intermetallic layers and strengthen dissimilar metal joints.
An intermediate step-shaped flange root guides bending to prevent corner buckling and keep press-formed parts dimensionally accurate.
A split lower die lets flange forming follow body shaping, improving material flow and suppressing cracks in cold-pressed structural members.
A pivoting intermediate support and translating blade holder enable compact single-pass sheet-edge crimping with less stress on nearby parts.
Simultaneous material-specific probes join laminate layers with different thermal properties, improving butt weld quality and welding speed.
Regulating drive current by pressurizing force change ratio keeps friction stir tool plunging depth accurate without extra sensors.
Repeated roll stamping forms bead regions and flat boundary zones, enabling rigid long components and easy flange bending without larger rolls.
A curved preform flange in two-step press forming reduces residual stress differences, suppressing side wall camber without fracture or complex tooling.
Laser blanking, edge rounding, press braking, and bonded laser welding enable precise stainless steel panels with bullet resistance and corrosion durability.
A two-step wavy preform and bending process cuts cracks, wrinkles, and spring-back in curved hat-section press-formed parts.
Two sequential laser beams first deplete facing-side coatings, then weld within the clean trace to limit spatter, porosity, and seam distortion.
A concave blank with a central cutout redistributes tensile strain during press forming, suppressing stretch flange cracking and preserving accuracy.
Tool position follows changing recessed surface heights to stabilize axial load in friction stir welding and reduce voids and burrs.
A four-layer aluminum brazing sheet uses Mg-rich intermediate layers to break oxide film and limit Si diffusion for stable flux-free brazing.
Orbital laser scanning forms circular or oval welds with fillets, improving joint strength and misalignment tolerance without filler metal.
Selective clamping near the butt-weld boundary raises local holding pressure to limit stress concentration, deformation, and cracking.
A torsional preform and final flange-forming step redistribute strain to suppress wrinkles and fractures in high-strength steel parts.
Controlled hardness zones and martensite in projection-welded nut joints raise peeling strength while preserving delayed fracture resistance.
A pressurizing force change ratio adjusts drive current to match set and actual force, stabilizing friction stir tool plunging depth without loadcells.
Variable punch and die shoulder radii guide material flow in concave curved press forming to prevent flange fractures and top wrinkles.
Perimeter notches in metallic blanks relax trapped elastic strain during stamping, reducing springback and oil canning in formed components.
A staged torsional flange-forming approach disperses strain in high-strength steel, suppressing wrinkles and fractures in complex press parts.
An elastic punch insert pre-bends the sheet before ridgeline contact, preventing skid lines while preserving sharp automotive outer-panel character lines.
Laser-formed separation lines cut partially textured mother glass with precise feature positioning and stronger edges after chemical strengthening.
A two-step press forming sequence uses a torsional preform to control metal flow and suppress flange wrinkles and fractures in high-strength steel parts.
A wobbling laser beam with core-ring intensity distribution improves zinc evaporation uniformity, reducing gas inclusions and spatter in sheet welding.
A protruding damping layer bonds directly to the object to stop downward shift while preserving reinforcement and vibration damping.
Anodising both elements before friction stir welding protects non-welded interfaces from retained-liquid corrosion without sacrificing joint strength.
A preformed through part at the bend boundary enables split trimming cuts that lower blade load when removing excess wall material.
Bulging the sheared edge face after press forming relaxes tensile residual stress and helps high-strength steel parts resist delayed fracture.
Laser contour processing skips segments that already meet target wall thickness, cutting weakening-line production time and energy use.
Multiple laser beams selectively evaporate paint to control coating thickness and form riblets without damaging the underlying surface.
A laser ablation process skips contour segments that already meet wall thickness, cutting cycle time and avoiding surface overheating.
Orthogonal needle peening forms an indentation band on the bend inner side, creating compressive residual stress to slow fatigue crack growth.
A dual-profile wobble laser spreads heat across Al-Si coated sheets to limit embrittlement and reduce weld defects.
Bulging a sheared edge through the sheet thickness forms a bead that relaxes post-forming tensile residual stress and helps prevent delayed fracture.
A larger die shoulder radius in preforming suppresses flange wrinkles in high-strength steel parts without trimming or a blank holder.
A two-step chevron preforming approach suppresses springback wall curl and keeps flange angles accurate in hat-section press forming.
Alternating die contact and separation controls sheet cooling, improving hot-press shape accuracy while shortening bottom-dead-center hold time.
Twisted side-wall preforming induces in-plane shear to reduce fractures and wrinkles in concave hat-section press forming.
A two-step preform with a torsional flange section redistributes strain to suppress wrinkles and fractures in convex-concave edge forming.
Programmable drives and real-time spring height control align suspension assemblies across vehicle models without overloading the body.