Metal-Working Apparatus TRIZ Cases

Replacing mechanical springs with a magnetic circuit eliminates uneven tension degradation, reducing friction and wear to extend battery runtime.

Nanometer-scale diamond grains reduce breakage and maintain sharpness while lowering manufacturing costs.

A central hub and recesses create a unique finger grip for an electric hair clipper.

Merges the outer blade frame and skin guard member into a single structure, eliminating grooves that cause skin discomfort during shaving.

A foldable hair grooming appliance uses a hinge to pivot the drive assembly and handle for compact storage.

Segmented helical cutting edges distribute force to eliminate shocks and extend blade life in profile cutting.

Blending polylactic acid with oyster shell fillers raises heat deflection temperature, preventing deformation in hot water.

Segmenting lubricating strips across a rotatable body distributes wear evenly, extending service life beyond single-surface designs.

Limited active range abutments prevent spring interaction at specific points, eliminating offset from spring constant differences and reducing friction.

A hair removal handle uses magnetic holding mechanisms to attach accessory components for user customization.

Interchangeable scales on a knife tang adapt the handle thickness and material to user dimensions, eliminating the need for multiple specialized knives.

Textured cutting edges decrease friction and increase hydrophobicity, resolving PTFE coating peeling issues that compromise shaving comfort.

Rotating carrier with cam-driven pushers slices food products through incremental radial displacement.

A pivoting razor blade holder adjusts immersion depth and angle of attack via a single lever mechanism.

A cutting device uses a slider and linkage system to drive a saw-tooth blade along a complex trajectory parallel to the ribbon surface.

A detection unit compares actual sheet width against reference positions to control a punching unit, preventing mechanical interference during conveyance.

Segmented support bars with embedded annular reinforcements boost tensile strength without increasing external size.

A large crystal grain distribution combined with an insulating film reduces coercivity and eddy-current loss while maintaining green compact strength.

Segmented cone slopes guide piston rings to prevent breakage and reduce engine rework rates.

A surface-mountable razor holder uses a ferrous magnet and adhesive bond to secure safety razors on bathroom walls.

A testing apparatus simulates shaving conditions to measure razor blade edge damage and tip bending resistance.

A notification circuit communicates cumulative shave event information to users via sensor signals from motion, orientation, and pressure sensors.

A sickle-shaped cutting blade with a variable circumferential angle adapts to slicing dynamics.

Automatic valve opens rinse opening based on water pressure to guide fluid into shaver head interior, preventing hair dust escape during cleaning cycles.

Dynamic nozzle speed reduction prevents delay-inclination and projection damage at intersecting cut lines in brittle material processing.

Direct electric actuation replaces hydraulic systems to reduce device complexity while maintaining precise positioning and overload protection.

A utility knife uses two sliding magnetic holders and push buttons to exchange blades quickly.

An adjustable cutting land prevents food sliding at shallow angles and ensures smooth piece conveyance.

End linkage assembly amplifies screw drive motion to clamp conveyor belts rapidly while minimizing bar deflection and reducing required cutting torque.

A food chopper cover interlock prevents motor activation when the lid is open, eliminating accidental blade contact during loading.

A bread slicer uses a movable stop mechanism to control loaf positioning on the transport surface.

A shaving unit uses a bottom wall opening and sealing structure to flush hair collection chambers with water.

Interlocking protective support prevents skin pinching and capillary damage during close hair cutting.

A shaving demonstration apparatus featuring a rotatable support surface and drive unit for comparing razor blade contact performance.

A hollow cutting roller supported by a stationary shaft via a central hydrostatic bearing.

Segmented inner guide minimizes contact with workpiece carriers, reducing driving resistance and preventing jamming in curved conveyor sections.

A modular cutting assembly uses rotating and reciprocating blades to slice meat products.

A facial hair shaver uses a motorized cutting mechanism traversing a guide track within a protective canopy to shape beard styles.

Optimized connecting webs enable elastic deformation and automatic resetting to restore initial workpiece positions after machining.

A spring-biased skin guard prevents excessive pressure on the skin during shaving.

A shaving razor cartridge incorporates a washout cavity with at least 80 percent open area to facilitate unobstructed water passage along the blade length.

Relocating stopper means to a radial bracket prevents cutter bending caused by elongated shafts, ensuring precise die contact.

Arcuate guide arms toggle between lock and release positions to prevent unintended cartridge detachment during use.

A motorized adjustment drive uses a rotary encoder to detect user input and actuate a movable comb portion for precise positioning.

Cutouts in the trimmer body improve airflow to cool internal components, reducing vibration and extending durability.

A submerged cavitation jet directs shock waves tangentially to induce residual stresses in materials without surface damage.

A magnesium-aluminum metal composite with a boundary layer enables controlled dissolution in wellbore fluids.

Anti-rotational fixturing maintains bundle geometry during adhesive curing to prevent vibration-induced deformation in shell and tube heat exchangers.

Ironing during drawing-out reduces flange thickness to prevent shrinkage thickening in motor cases.

Segmented aircraft floor crossmembers create internal voids for system housing, resolving the trade-off between cabin volume and component protection.