Plastic Deformation Fastening TRIZ Cases

A cold-formed flared shaft locks into a plunger undercut to improve contact alignment, reduce wear, and extend actuator life.

An undercut plunger opening and flared shaft head create a precise, fatigue-resistant actuator coupling that reduces wear and extends service life.

Mechanical vibration liquefies a thermoplastic joining element in blind holes to create reproducible anchoring despite variable object properties.

Two separable rail brackets and a connector simplify overhead rail retrofitting while improving compatibility with varied support structures.

A sliding fitting body with elastic return devices adapts to curved display deviations to improve alignment and even pressure.

Ultrasonic vibration liquefies a thermoplastic joining element for controlled flow, strong anchoring, and immediate joint stability.

A pressure-sensitive rubber layer secures oily metal surfaces before heat curing builds strong bonds without clamping.

An embedded receptacle, torque nail, and collar plate attach parts to composite structures from one side without drilling through the laminate.

A deformable pressing-block sleeve locks multiple rods of different diameters at once in tight space while maintaining stable, even clamping.

Mechanical energy embeds bendable profile bodies into thermoplastic parts, creating fast stable joints without adhesive curing time or surface damage.

Segmented pressing blocks let one set screw secure multiple rods of different diameters in tight space while supporting stable linear motion.

An embedded receptacle, torque nail, and collar plate attach parts to composite structures from one side without conventional drilling and bolting.

Flared interference-fit end caps replace screws or pins, reducing joint stress and keeping the hammer shot unobstructed during impact.

A method using two tolerance compensation elements bridges a gap to position components precisely, eliminating costly machining operations.

Shock loading creates localized plastic deformation in shape memory alloy components to form secure joints.