Rivets TRIZ Cases

Expander sleeves absorb radial forces while guide parts clamp axially, preventing fatigue fractures and unthreading in heavy construction joints.

Radial expansion on the mandrel eliminates retaining notches, preventing chip formation and tool soiling during riveting.

Optimizing heat treatment parameters achieves yield strength and bendability ratios, preventing cracking during self-piercing riveting.

An asymmetric cam design in a fastening clip enables symmetric mold structures, reducing manufacturing complexity while maintaining reliable fastening function.

A self-piercing rivet with a pre-perforated flat support element extends radially beyond the head radius to apply compressive forces during joining.

A riveting assembly uses a variable-diameter sleeve and rigid insert to form a structural bulb without countersinking.

Crimping a metal member into a pre-compressed foam periphery maintains bolt force despite thermal expansion.

A rivet insert body uses a weakened breaking point section to allow clamping legs to expand radially during assembly.

A solid rivet with a hardened primary head resists deformation during partial header contact to form secure joints.

Segmented friction rivets join dissimilar materials by welding steel inserts while discharging melted adhesive to prevent upper plate damage.

An automatic axial adjustment mechanism moves jaws to align grooves with a bolt, resolving manual alignment time and precision trade-offs.