High Frequency Current Welding Apparatus TRIZ Cases

Vacuum extraction at the seam guide removes welding particles inside small aluminum tubes, helping meet HVAC&R cleanliness limits.

Preheated double-sided friction stir welding helps electrical steel strip coil joints avoid embrittlement, fractures, and rapid tool wear.

A ceramic-coated recessed heat shield helps induction welding prevent surface burning while maintaining consistent melting at the bond line.

A heat-spreading pressure pad removes heat on the non-coil side, enabling thinner induction-welded parts without deconsolidation.

Preheated double-sided friction stir welding joins electrical steel strips without embrittlement, reducing coil joint fractures and tool wear.

A double-V groove and 500-5000 kHz welding narrow the heat-affected zone, lowering inner bead residual convexity for better double-tube fit.

Preheating and double-sided friction stir welding keep electrical steel coil joints mainly ferritic, limiting fractures without slowing line speed.

Electromagnetic field parameters let the inductor estimate weld temperature in real time, avoiding sensor interference and improving weld consistency.

Conductive electrical heating replaces high-torque friction welding to improve heating uniformity, joint quality, and dimensional control.

A reaction magnetic field limits lightning protection overheating during composite induction welding while preserving weld temperature and joint properties.

Alternating magnetic fields heat a conductive filler to join dissimilar substrates with tighter thermal control and less reliance on high welding heat.

Local heating melts a low-melt coating between dissimilar metal parts to form a defined bond layer without warpage or surface damage.

Semi-solid die-cast sections welded by capacitive discharge form hollow automotive parts without cores, cutting cost and complexity.

Rotating friction extrusion and electromagnetic pulse welding create aluminum foam sandwich panels with strong interfaces and no brittle reactions.

A recessed ceramic-coated mica heat shield helps induction welding protect surfaces from burning while keeping bond-line melting temperature stable.

Plasma fed through the mandrel shields ERW pipe seam edges at the right angle and distance, reducing oxygen entrainment and oxide defects.

Electromagnetic field sensing lets the inductor estimate weld-zone temperature during composite welding, avoiding thermocouple interference.

Dynamic sensor feedback uses post-shutoff overshoot to characterize ramp rate and heat welding workpieces to target temperature without overheating.

A copied contour marking guides single-side laser welding of hidden joints in domestic appliances, improving seam accuracy and reducing effort.

A split induction coil with a circulating conductor heats ERW pipe edges closer to squeeze rolls while lowering magnetic flux that burns out the impeder.

A shaped concentrator focuses coil-generated electromagnetic energy onto the weld region, improving thermoplastic bond strength and welding efficiency.

A coil seated in a concentrator receptacle focuses the electromagnetic field at the weld interface, improving thermoplastic joining control and bond strength.

Simultaneous force and pulsed current protect bonding surfaces, push out contaminated metal, and create stronger low-temperature welds.

Alloying gas is introduced during induction heating so kinetic welding can strengthen the bond zone without sacrificing weld speed.

An inclined inner-edge surface keeps discharged metal separate from excess weld metal, stopping crack growth during severe tube bending.

A heat-spreading pressure pad removes heat on the non-coil side, enabling thinner induction welds with fewer surface defects.

Closed-loop discontinuous susceptors spread induction heat more evenly at the joint, reducing temperature gradients that can alter composite properties.

Rapid post-weld heat treatment is integrated into solid-state pipe girth welding to refine microstructure, cut defects, and improve bond zone toughness.

An inner-edge inclined surface keeps discharged metal from bonding to excess weld metal, helping ERW tubes resist cracking during 90° bending.

Soft magnet-polymer impeder cores cut thermal losses in induction seam welding, enabling faster pipe production, lower energy use, and longer core life.

Recessed area on impeder core reduces magnetic flux saturation and induction heating, preventing mandrel rupture during electric resistance welding.

Counterflow induction heater replaces resistance coils to improve heat transfer efficiency and reduce power consumption in convective rework systems.

A pretensed non-conductive fabric supports multilayer printed circuit boards during induction welding operations.

A nitrogen gas atmosphere controls pressure to enable diffusion bonding of metallic objects.

Quasi-isothermal rolling of titanium blanks reduces grain size to enable superplastic forming below 800°C, lowering energy consumption.

Movable coil sections on an inductive sealing unit accommodate varying cap dimensions, eliminating assembly line stops for size changes.

Dynamic heating control uses temperature ramp rate feedback to prevent overshoot and ensure accurate weld heating.

A welding power supply derives auxiliary output from a common bus using a controller and non-isolated circuit.