Metal Working Apparatus TRIZ Cases

A hydroforming method expands metal tubes using cyclic internal pressure and axial pushing actions to achieve uniform deformation.

Internal channels deliver lubricant via surface texture to minimize friction and prevent galling in aircraft part manufacturing.

Segmented forging and bending processes produce high-strength towing hook balls without unique dies for each vehicle configuration.

Circular recesses replace linear serrations to eliminate corner gaps, maintaining stable contact conductivity under thermal shock.

Separating the cutting and collection chambers via a floor drop hole prevents floating glass chips from contaminating the substrate.

An electromagnetic abutment system retracts a cutting portion to a safety position during power failures, preventing damage to capsules and components.

Pivoting actuation presses food through a nested comminution tool to create spiral shapes, resolving the trade-off between versatility and device complexity.

A fabric circle cutter uses a sliding pivot pin assembly to adjust the cutting radius and a spring-loaded blade for safe retraction.

A circular cutter uses a flexible deformation section to expose the cutting blade for angled cuts.

An asymmetric motor end cavity in a clipper lever retains fluid lubricant, reducing pin and shaft wear caused by lubricant escape from the bearing area.

A shaving blade assembly skin contact member spreads pressure across the skin surface to ensure smooth glideness during use.

A horizontal V-shaped guide system positions cardboard tubes for transverse cutting with a simplified blade carriage.

A hair cutting device uses a comb recognition arrangement to detect interchangeable comb units and display the selected length.

Tapered razor handle design improves grip stability, reducing strokes needed for effective head shaving.

Removable shim sets prevent plate buckling during brazing, resolving the trade-off between structural strength and thermal efficiency in plate heat exchangers.

An offset pivot axis enables a bidirectional shave cartridge to reduce skin scraping discomfort and shaving time by eliminating lift-off during return strokes.

Stationary blade opposed surface prevents hair pushing against escape routes, ensuring uniform cutting heights and reducing friction.

A rotatable cutting arm assembly enables precise angular cuts on roofing shingles.

Eccentric cam generates vibration force while vacuum guard creates suction to improve cutting performance.

A shaving cartridge bridge member spans between dual blades to maintain structural integrity while defining the interblade distance.

Radial separating members apply reaction forces to peel adhering label tape from blade edges, maintaining continuous feeding operations.

A handheld punch kit creates custom apertures and slots in cardstock to display individual jewelry items.

A flexible cutting blade recessed within a deep void conforms to skin contours, eliminating the need for shaving cream and reducing accidental nicking risks.

Segmented punch plates with staggered pins smooth the force profile to lower peak input and resolve rough motion.

A portable shingle cutter uses a rotatable cutting arm and guide fence for precise alignment.

Movable gripping surfaces apply localized strain to break a moving web, resolving perforation alignment errors and reducing production downtime.

A piercing method uses local heating to soften workpiece material below its melting point, enabling a columnar punch to penetrate the target area with reduced deformation resistance.

Undercut guide tracks center the chain frame during insertion, preventing collisions and ensuring proper cleaning access.

Segmented blade design and curved clamping surfaces resolve flexibility versus rigidity contradictions, reducing shaving chatter while maintaining user comfort.

A utility knife blade storing carrier uses a locking mechanism with movable engaging members for secure attachment and easy detachment.

A wet-shave razor handle integrates a tilt sensor and controller to monitor shaving operations.

Hinged handles pivot relative to a ratchet blade assembly to maintain perpendicular cutting orientation during operation.

Dynamic template scaling adjusts cutting paths for varying food thicknesses, resolving the contradiction between manufacturing precision and device complexity.

Segmented cutting teeth on a punching cylinder apply transverse force to maintain precise contours and eliminate slip in moving material webs.

Dual cone cutting assembly produces spiral strips with varying thicknesses, enabling endless spirals via a central guide pin to resolve uniformity constraints.

A motor-driven surgical cutting tool shapes prosthetic devices using interchangeable blades and a sealed lead screw mechanism.

A shaver handle uses a collapsible sleeve to transition between extended and collapsed conformations for adjustable length.

Vibration monitoring detects blade wear and misalignment in pre-cutting units, preventing defective lines and extending service life.

Segmented blades and a trim guide perform controlled shearing to protect roots while collecting debris via vacuum suction.

Radially movable webs stack piston rings on a cylindrical base body, eliminating manual alignment errors and injury risks during pick-and-place machine filling.

Segmented carrier projections engage recesses on the cutting element to distribute stress and enable single-person blade changes.

A razor head with a retractable trimming blade extends via a plunger linkage to cut nose hair, preventing injury from wide shaving blades.

Segmented plates and universal springs reduce manufacturing complexity while enhancing the robustness of folding knives.

A removal device rolls material webs individually per track using friction drives to control web length and tension.

A shaving device uses an abrasive handle surface to sharpen dual-sided razor blades during oscillating use.

A cutting knife uses an axial cavity between the main part and reinforcing part to prevent deformation while maintaining low weight.

A wall hole punch device uses a retractable tip to form ventilation holes in walls.

Segmented upper blade prongs capture flat hairs without increasing manufacturing complexity or production costs.