Arc Welding Apparatus TRIZ Cases

A helical coil around pipe sections cuts residual magnetism near welds, reducing arc blow and improving welding efficiency and quality.

Current is lowered before short circuiting and raised after contact to control heat input, reduce spatter, and stabilize weld quality.

Controlled rolling, accelerated cooling, and reheating create bainitic line pipe steel with high compressive strength, toughness, and stable roundness.

Compressed-air pre-separation stores joining elements near the joining head to cut robot waiting time and shorten cycle time.

Cr-rich weld metal forms Cr phosphide to suppress phosphorus segregation, reducing hot cracking in high-Mn TIG joints for cryogenic service.

Real-time torch feedback links position, orientation, and movement to welding parameters, improving manual weld training and quality.

Alternating AC and DC electrode currents with controlled spacing suppress magnetic interference, improving penetration, bead shape, and welding speed.

A clamp circuit captures inverter voltage-spike energy and feeds it back over switching cycles, reducing losses while improving commutation and arc starting.

An arc or plasma jet evaporates aluminium surface impurities before welding, while optical sensing tracks cleanliness to reduce pore formation.

A split lid and vented overpack cut operator radiation exposure while easing leak testing and cooling radioactive waste canisters.

Pulsed output control keeps welding power within RMS and open-circuit voltage limits while still powering the wire feeder during operation.

A welded ductile patch in a stamped B-pillar absorbs lateral crash energy while preserving structural continuity and limiting breakage.

A slope-adjusted voltage loop clears GMAW short circuits at lower current and energy, reducing spatter and non-welding time.

Controlled Ceq, α, and alloy content keep submerged arc weld metal strong and tough at 300 kJ/cm+ while reducing hot cracking.

Controlled shielding gas and weld hardness reduce slag and rusting, helping overlap steel-sheet joints keep strength in corrosive environments.

Pressure, temperature, and torque sensing inside an FSW tool enables Bluetooth monitoring and PID-based parameter adjustment for steadier welds.

Closed-loop push and pull motor control maintains wire speed and torque to prevent bird-nesting and shaving without constant calibration.

A short negative peak and extended falling current in AC pulse arc welding stabilize droplet growth and transfer while maintaining welding speed.

3D weld-target scanning and real-time sensor feedback adjust the weld schedule to handle distortion and improve automotive weld quality.

Automatic contactor switching lets one selector knob span multiple weld output ranges, reducing setup time while keeping smooth amperage control.

A 9-12% chromium weld metal balances oxidation resistance and creep strength for thin-walled steel arc welds without post-weld heat treatment.

Low-current circuit checks detect completed paths before welding starts, blocking power delivery to prevent arcing and tool damage.

Integrated power after short-circuit guides current reduction in arc welding, cutting heat input and spatter with low-resistance wires.

Controlled Si and Mn balance in duplex stainless steel weld metal suppresses weld-toe undercuts and improves fatigue life in thin tubes.

Current-voltage ratio monitoring detects contact tube wear in robot welding, enabling timely warnings and steadier arc length and weld quality.

Superimposed second peak current pulses stabilize low-current arc welding on thin aluminum, improving bead shape and reducing spatter.

Adaptive wire-speed control adds plateau phases and timing adjustment to stabilize short-circuit welding frequency and reduce splashes.

A nickel-rich core inside an iron alloy sheath achieves weld metal above 35 wt.% nickel without costly nickel-sheet electrode construction.

Variable swing speed in acceleration and deceleration zones prevents weld undercutting at high welding speeds without remelting or refilling.

Laser seam detection guides automated welding around prestressed tubular pile joints to improve weld consistency and reduce operator dependence.

A processor-controlled capacitor bank adjusts arc frequency to improve metal deposition consistency, transfer efficiency, and tool maneuverability.

Controlled test signals over the weld circuit measure cable resistance and inductance, enabling voltage-drop compensation without separate control cables.

Controlled Mn-Ti-O wire chemistry forms thin adherent slag that cuts spatter, avoids coating defects, and improves weld corrosion resistance.

A press-formed linear groove vents zinc gas during arc spot welding of plated steel sheets, reducing pores while improving joint strength and weld positioning.

Pull motor current feedback synchronizes push speed and pull torque to feed welding wire without calibration, bird-nesting, or shaving.

A mobile working magazine and stand-by magazine keep joining elements near the robot, cutting wait time, hose wear, and refill downtime.

An internal collecting container captures weld spatter during pipe welding, improving coating uniformity, corrosion resistance, and flow in fire systems.

A hollow steel joining member and Ni-rich filler enable stronger arc spot welds between aluminum or magnesium sheets and ultra-high tensile steel.

Linear friction welding joins thick wear-resistant tool steel to base steel without melting, preserving strength for mining wear parts.

Alternating forward and reverse wire feed adjusts cycle and amplitude to keep arc welding stable as welding speed or deposition changes.

Capturing weld spatter inside welded pipe elements keeps the inner surface smooth, lowering pressure loss and supporting durable polymer coating.

Controlled current changes let the power supply calculate inductance and electrode resistance in real time, improving weld feedback over long cables.

A dual-melting-point sintered coating on a filler core improves fusion welding of hard-to-weld alloys while limiting hot cracking and liquation.

Mn and Cu grain-boundary segregation helps this high-Mn stainless steel resist hydrogen embrittlement while enabling non-filler welding at lower alloy cost.

Welding parameters are embedded in weld seam geometry as a readable code, preserving process data for later inspection and quality control.

Discrete capacitive spot welding joins brake disc plates to a ventilation spacer, improving cooling, wear uniformity, and corrosion resistance.

Voltage-based phase switching in pulse welding reduces overshoot and undershoot while keeping arc length and pulse shape stable across CTWD changes.

Voltage-based current control and forward/reverse wire feeding cut spatter without dedicated detection lines while keeping the arc stable.

High-melting lubricant coatings stay on preheated welding wire at 500-900°C, preventing melt-induced clogs and downtime.

Pulsed open-circuit voltage cuts idle energy use while preserving fast arc starting and stable welding on oxidized or rusty workpieces.