Non-Electric Welding Apparatus TRIZ Cases

A submerged friction stir process refines only the surface layer to create bimodal grains, raising strength and formability with less time and cost.

A spline and sliding-fit tip connection separates torque transfer from threaded clamping to prevent holder binding and extend tip life.

An inclined clamp surface creates a concave fill zone that thickens the weld region and relieves stress concentration in friction stir spot joints.

Ultrasonic welding joins thermoset prepreg sections with near-original thickness while preserving sub-ambient Tg and resin uniformity.

Stepped end-face regions and a sloping shoulder help FSW tools weld uneven lap and butt joints with tighter gap closure and better corrosion resistance.

Post-weld compression on both workpiece surfaces raises joint fatigue strength in refill friction stir spot welding without extra equipment.

Radial mounting tabs and slots enable refill friction stir spot welding tool changes in under two minutes with less than 360° rotation.

A self-locking FSW tool uses adjustable probe and shoulder geometry plus replaceable hard-wearing parts to weld high-strength materials more economically.

Opposed rotating tools balance heat and shear through sheet thickness to improve plastic flow, raise welding speed, and reduce joint defects.

A detachable adjustment member changes horn tip mass and position to tune elliptical ratio, amplitude, and resonance for different workpieces.

A thin conductive layer is vaporized to add pressure-wave forming, cutting current demand, coil stress, and energy use in magnetic pulse shaping and welding.

Segmented raised regions let nylon-rich material melt while the base stays solid, preserving bondline thickness and limiting carbon fiber flow.

An inclined clamp surface and backing concavity thicken both weld faces, covering the stirred boundary to strengthen spot joints.

An annular gap in the crown shoulder collects wicked weld material and cuts drag, helping SR-FSW tools maintain stable welds and longer life.

A contact measuring tool tracks shoulder-to-workpiece distance in friction stir welding, improving depth control on uneven surfaces and small tools.

A phase-change assembly shifts shaft timing to control ram vibration and pressure, improving weld consistency with smaller linear friction welding hardware.

Widening probe recesses toward the tip draws in more softened material, improving friction stir weld quality while lowering pressing force.

A central front end recess links probe side recesses to store and guide softened material, improving plastic flow and weld quality.

Separated probe recesses improve softened material flow toward the tip, raising friction stir welding speed and weld quality.

A floating axle and under-housing load cell improve axial force sensing in friction stir welding while enabling one head for two shoulder modes.

A replaceable scribe insert cuts and deforms higher-melting material to improve dissimilar FSW joint strength while reducing tool wear.

A housing discharge hole ejects excess workpiece material from around the stir pin, limiting frictional heat and extending tool life.

Curved shoulder and probe geometry in a silicon nitride FSW tool reduces chipping and wear while preserving welding precision.

Clamp pressing forms a local build-up and compressive residual stress to raise spot weld fatigue strength without adding workpiece weight.

Timing gears and dual power shafts manage oscillation phase and momentum, enabling more consistent linear friction welds with simpler control.

A protruding clamp presses the friction stir region to add compressive strain and residual stress, raising joint fatigue strength without extra steps.

Pin-only friction stir welding reduces tool load for deep joining of thick metal members while improving joint airtightness and limiting damage.

A stepped support and side gap let friction stir welding produce narrow joints with fewer burrs, fewer defects, and no special tool shape.

Discharge holes vent excess material from a friction stir welding tool, cutting frictional heat, limiting damage, and preserving weld quality.

A curved shoulder end and probe root in a silicon nitride friction stir welding tool limits chipping and wear during high-speed welding.

Aligned flat components are friction stir welded to create strong dissimilar-material joints while limiting heat input and brittle intermetallic phases.

A reference test specimen reveals sonotrode wear and vibration-system drift before weld quality changes, enabling early maintenance.

Interval-based control holds force, power, amplitude, or speed until target values are reached, improving weld consistency while limiting heat spread.

A clamp-assisted pressing step adds residual stress and a local build-up to raise spot-weld fatigue strength without extra weight or post-processing.

A portable self-reacting FSW tool removes damaged material, inserts a work-piece, and makes full-penetration in-situ repairs with lower force.

Controlled friction stir pre-treatment refines grains and intermetallics in magnesium alloy to improve workability while limiting strain and cracking.

Pre-pressing with a clamp squeezes sealant away before stirring, preventing contamination of the plastic flow zone and preserving joint quality.