Laser Beam Welding Apparatus TRIZ Cases

Asymmetric laser and gas-jet distribution shifts cut quality to the good side, reducing roughness and burring without changing cutting direction.

Piezoelectric X-Y collar adjustment keeps the process gas jet coaxial with the laser beam, reducing manual realignment and machining errors.

An elastically biased nozzle follows workpiece corners to correct laser beam position shifts automatically and avoid manual realignment.

Intersecting laser focus paths prevent crack connection, stabilizing crack length while maintaining high machining speed and cut quality.

Variable beam speed and output control keep heat input uniform across a two-loop scan pattern, improving weld bead shape and penetration.

A UV-blocking layer shields the light-shielding layer during laser etching, replacing wet etching to cut process steps and solvent use.

Variable pulse power and frequency shorten thick-workpiece breakthrough time while preventing piercing stops during laser piercing.

Event-based brightness sensing detects pollution emissions during laser welding with high temporal resolution and far less data than high-speed imaging.

Selective attenuation and multiple beam passing areas improve energy beam alignment accuracy while protecting the light reception part.

An integrated reference beam calibrates optical sensors inside the processing head to keep laser monitoring accurate despite aging and environment changes.

Sealed shielding and transmissive plates with pressurized gas keep laser optical paths clean and simplify maintenance cleaning.

Hybrid nanosecond and picosecond or femtosecond passes raise transparent material processing throughput while limiting chipping and cracking.

Rotating mirror-based beam offset replaces inertial plates to speed laser angle adjustment while preserving precision for conical bores.

Spatiotemporally shaped laser pulses create overlapping subsurface shock waves for deeper compressive stress with less surface damage.

Dissolving pressurized gas into machining fluid lowers viscosity and pressure loss in narrow channels, improving micro hole precision and energy use.

A light-passing chuck table with a mirror face images front-side division lines through film-backed workpieces without edge film removal.

A stationary lens tube and motor-driven collimator keep laser focus stable during spindle rotation, improving cylinder surface structuring reliability.

By splitting, parity-reversing, and recombining rotary beams, this optical layout balances both scan sides for more uniform cut quality.

Opposed blow-off and intake units create one-way shield gas flow at the laser spot to clear dust, reduce circulation, and protect processing stability.

Real-time image analysis of optical image size and intensity guides focus and processing speed to keep laser beam state accurate.

Stored correction values link movable optical component positions to focal offset, enabling accurate lateral beam positioning despite tolerances and heat.

A diffracted multi-beam laser patterning setup improves uniformity and speed on large or complex metal surfaces with one controllable source.

A feedback-controlled machining head holds a fixed gap to detect workpiece edges accurately even when the surface includes an incline.

A hermetic nozzle enclosure with a coaxial exit aperture blocks back-splash, preserves fluid jet stability, and simplifies cleaning.

Angular polarization splitting with rotatable waveplates forms multi-spot laser patterns with adjustable intensity and low alignment sensitivity.

Adjustable inlet and outlet openings create a pressure gradient that sweeps vapor and particles away while keeping gas flow laminar over the weld.

Directed gas flow creates suction above the machining support to rapidly remove sticky dust and protect high-precision laser-machined parts.

Sensor feedback and adjustable pulley spacing keep tray transport belts aligned and tensioned for precise laser processing of display windows.

Multiple partial reflections inside a trapezoidal prism expand beam width while improving output homogenization for projection optics.

Multiple lower-power beams sent through separate fibers extend laser reach, limit heat leakage, and keep focus alignment stable.

Resonant modulation of gas flow and laser parameters improves melt expulsion in laser cutting, reducing dross, roughness, and gas use.

Real-time optical target feedback corrects laser head position errors from thermal elongation and encoder delays to minimize patch edge discontinuities.

A spiral laser path on a rotating platform improves PCD depth control and edge processing for precise surface shaping beyond EDM limits.

A two-step plane and spherical shock wave treatment drives deeper compressive stress and suppresses crack initiation beyond shot peening.

Plasma light sensing guides laser focus and processing position, maintaining machining quality without accurate 3D CAD data.

A removable gauge and guide laser beam let operators align focal position on a robot-mounted laser head without costly scanners or complex jigs.

A safety unit cross-checks machining state signals and defect monitoring to prevent false ML stops while keeping laser machining stable.

3D scan data and AI identify welding objects and poses online, enabling adaptive robotic welding path planning in complex environments.

Shifting the assist gas axis off the laser axis helps meet different edge quality requirements on opposite sides of a cut.

Pixel-grouped laser parameters cut engraving layers and machining time while expanding optical texture effects on physical surfaces.

A conical mirror and shape-changing optics steer and focus the beam into internal recesses without Galvano mirrors, improving speed and accuracy.

Pixel groups receive tailored laser power and pulse settings to cut texture layers, improve depth control, and shorten engraving time.

A storage chamber and throttle layout evens cutting gas flow around the laser beam, improving melt expulsion, cut quality, and speed.

A downstream optical element corrects partial beam angle and offset after birefringent splitting, enabling defined focus zones during laser processing.

Directed gas flow mechanically stresses the molten pool in laser welding to reduce spatter, pores, and material loss across varying speeds.

Camera-guided image overlay lets operators verify object position and orientation before laser engraving, improving marking accuracy and repeatability.

Reflected laser light triggers welding monitoring at the true start point, avoiding missing oscillator signals and reducing delay.

Jet velocity or impact sound is compared with reference data to catch nozzle clogging and assist gas faults before laser finishing quality drops.

Reflected-light sensing from coated shield glasses tracks numerical aperture changes in real time to stabilize beam quality and machining accuracy.

Coma aberration and two independent optical adjustments let a laser head tune energy distribution without shifting the irradiation position.