Welding Electric Supply TRIZ Cases

A time-delay relay and magnetic switch cut welding power when the arc stops, reducing idle energy waste and safety risk.

A programmable dynamic voltage control apparatus divides input voltage into multiple steps using impedance elements to generate precise analog signals.

Multi-step current softens the joint interface to resolve embrittlement risks while maintaining steel sheet strength.

A monitoring system calculates weld stability values by dividing rapidly repeating wave shapes into states and weighting parameter deviations.

Multi-step current patterns with test-derived heat targets enable adaptive resistance spot welding to compensate for electrode wear and disturbances.

Multi-pulse current sequences and asymmetric tip geometry enable reliable structural welds in high stack ratio metal assemblies.

A resistance spot welding method divides the process into two steps to form a stable nugget between overlapping steel sheets.

Applying peripheral pressure expands the optimum current range, preventing splash generation while ensuring sufficient nugget diameter.

Controller terminates motion recognition program and adjusts clock frequency based on sensor input, reducing power consumption during inactive states.

A portable welding system uses solid-state circuits to generate resonant electromagnetic waves for reliable metal joining.

A projection welded joint uses a controlled hardness ratio between the nut and steel sheet to improve peeling strength.

A notched welding tip rotates to break aluminum oxide layers during spot welding.

Multi-stage resistance spot welding remelts and resolidifies weld joints between steel and aluminum workpieces.

An inductor-based charge pump replenishes voltage across capacitive loads, reducing power consumption despite parasitic resistance.

A controller manages a power transistor in linear or open states to isolate residual electric power from secondary feeds and mis-wiring.

Real-time feedback control stabilizes clamping pressure against material variations and environmental disturbances.

A headroom detection circuit disables start-up logic until sufficient power supply voltage is available.

High-frequency current tempering reduces weld nugget hardness to 150% of base material, preventing brittle fractures in high-tensile steel spot welds.

An interposer voltage regulator module switches between linear and switched-capacitor modes to optimize power delivery.

A projection welding method for aluminum sheets uses a convex upper surface with specific radius transitions to maintain structural integrity during the joining process.

Controlled nugget microstructure prevents brittle fractures in high-strength steel spot welds by maintaining joint strength.

A monitoring device measures outlet parameters to regulate power delivery and prevent hazardous conditions during charging.

Distinct visual identifiers on electrode spools coordinate with matching control panel regions to resolve readability trade-offs in harsh welding environments.

A portable generator system includes an output power limiting device that selectively constrains electrical parameters for rental configuration.

Resistive heating crystallizes nickel in a nickel-phosphide layer to bond metal sheets, enabling battery packs to withstand lap-shear and coach-peel forces.

A resistance spot welding method controls electrode pressure holding time based on steel composition and surface state to join sheets.

Finite element modeling predicts spot weld fracture likelihood to eliminate costly crash tests and reduce design time.

Multi-stage current application softens the joint interface, reducing embrittlement and delayed fracture risk in high-strength steel assemblies.

A bonding method uses displacement setting portions and current conduction suppressing layers to control relative movement during electrical joining.

A welding control system adjusts force, current, and duration to manage electrode indentation depth into metal substrates.

Segmented welding current prevents splashing on galvanized steel sheets while ensuring sufficient nugget diameter through optimized parameter changes.

Second circuit preheats welding area to displace insulating plastic layer, enabling direct resistance welding between metal cover layers and components.