Welding Electric Supply TRIZ Cases
- Welding Power Cutoff Control Using Time-Delay Current Sensing
A time-delay relay and magnetic switch cut welding power when the arc stops, reducing idle energy waste and safety risk.
- Programmable Dynamic Voltage Control Apparatus for Vehicle D/A Conversion
A programmable dynamic voltage control apparatus divides input voltage into multiple steps using impedance elements to generate precise analog signals.
- Projection Welded Joint Hardness Control for Peeling Strength
Multi-step current softens the joint interface to resolve embrittlement risks while maintaining steel sheet strength.
- Weld Quality Monitoring via Wave Shape State Analysis
A monitoring system calculates weld stability values by dividing rapidly repeating wave shapes into states and weighting parameter deviations.
- Adaptive Resistance Spot Welding for Nugget Diameter Stability
Multi-step current patterns with test-derived heat targets enable adaptive resistance spot welding to compensate for electrode wear and disturbances.
- Resistive Spot Welding High Stack Ratio Metal Sheets
Multi-pulse current sequences and asymmetric tip geometry enable reliable structural welds in high stack ratio metal assemblies.
- Resistance Spot Welding Method for High Thickness Ratio Sheets
A resistance spot welding method divides the process into two steps to form a stable nugget between overlapping steel sheets.
- Spot Welding Method With Peripheral Pressurizing Member
Applying peripheral pressure expands the optimum current range, preventing splash generation while ensuring sufficient nugget diameter.
- Motion Sensor Power Management in Portable Terminals
Controller terminates motion recognition program and adjusts clock frequency based on sensor input, reducing power consumption during inactive states.
- Solid-State Welder Using Battery Power Extraction
A portable welding system uses solid-state circuits to generate resonant electromagnetic waves for reliable metal joining.
- Projection Welded Joint Hardness Gradient for Peeling Strength
A projection welded joint uses a controlled hardness ratio between the nut and steel sheet to improve peeling strength.
- Notched Welding Tip for Aluminum Spot Weld Oxide Removal
A notched welding tip rotates to break aluminum oxide layers during spot welding.
- Multi-stage Resistance Spot Welding Steel Aluminum
Multi-stage resistance spot welding remelts and resolidifies weld joints between steel and aluminum workpieces.
- Charge Pump Actuator for MEMS Capacitive Loads
An inductor-based charge pump replenishes voltage across capacitive loads, reducing power consumption despite parasitic resistance.
- Adaptive Voltage Clamping Circuit for Residual Power Isolation
A controller manages a power transistor in linear or open states to isolate residual electric power from secondary feeds and mis-wiring.
- Servomotor Spot Welding Pressing Force Control
Real-time feedback control stabilizes clamping pressure against material variations and environmental disturbances.
- Headroom Detection for Self-Biased Analog Circuit Start-Up
A headroom detection circuit disables start-up logic until sufficient power supply voltage is available.
- Spot Weld Zone Hardness Control in High-Tensile Steel
High-frequency current tempering reduces weld nugget hardness to 150% of base material, preventing brittle fractures in high-tensile steel spot welds.
- Interposer Voltage Regulator Switching Modes
An interposer voltage regulator module switches between linear and switched-capacitor modes to optimize power delivery.
- Projection Welding Aluminum Sheets with Curved Projections
A projection welding method for aluminum sheets uses a convex upper surface with specific radius transitions to maintain structural integrity during the joining process.