Metal-Working Apparatus TRIZ Cases

Segmented elastomeric fins on a razor guard create a surface step that enhances skin engagement and comfort during shaving.

Controlled actuation replaces manual striking to eliminate erratic ejection and improve safety during casting separation.

A nozzle carriage moves along a U-shaped guide trough to route high-pressure cutting lines without separate actuation mechanisms.

Segmented base structure allows quick replacement of fixed and rotary blade assemblies, reducing packaging machine downtime during maintenance.

A magnetic coupling releasably attaches a valve pin to an actuator, enabling controlled movement between open and closed positions.

A flexible rubber element distributes pressure evenly across irregular stacks, preventing top sheet damage during cutting.

Pivoting front and rear housing segments allow direct blade extraction, resolving food adherence issues that complicate cleaning of rotary pizza cutters.

A foldable utility cutter uses a tension-loaded deployment mechanism to pivot the blade holder from closed to open position.

Segmenting the slide into nested parts allows quick blade access while keeping the rear anchor secure, eliminating handling hazards.

A tension device uses a tubular skirt and tie with semicylindrical parts to exert axial tensile force on threaded rods.

A shaver blade floating structure uses elastic hinges to rotate the shaving unit smoothly.

A hair trimmer system uses position tracking and multi-modal feedback to guide user movement along a reference path.

Abutment geometry at the radial initial-passing position prevents blockage from deformed hair-guiding elements.

A vertical slicing wheel employs a moving delivery structure that synchronizes with rotation to prevent product lifting and ensure uniform cut orientation.

Matched upper and lower relief modules enable high-speed separation of connected blanks without complex rotary mechanisms.

A bale opening device uses a rotating arm to remove wrapping material from rollers.

An anti-clogging blocking member pushes hair from angulated guard tooth slots, preventing clogging during close shaving operations.

An insertion gate section opens based on bar code data to guide supply tape into a component mounting apparatus.

Axial wheel movement adjusts blade alignment for straight cuts while protecting operator knuckles from rough surfaces.

An angled locking element expands via a retracting shaft to join diverse razor handles, resolving compatibility constraints.

A sliding pusher member engages a latch to lock the razor cartridge, eliminating hand position changes during trimming.

Spring ejection removes cartridge without manual force, reducing injury risk and enabling blade-only replacement.

A removable knife cover plate uses magnetic interaction to secure the slicer blade guard without moving parts.

Segmented blade structures adjust internal balance to resolve the contradiction between cutting capability and ergonomic control for extended use.

Zone-specific hole sizes in a shaving foil balance hair removal efficiency with skin protection by accommodating varying contact pressures.

A convertible knife transitions between multi-blade and single blade configurations for efficient cutting.

A utility knife uses a pivoting support and cover to clamp the blade securely within a tapered housing channel.

Segmenting the housing from the bladeset exposes the cutting area for visibility while a thumbscrew secures mechanical stability.

Eccentric shaft drives a movable blade assembly with elastic recovery forces to resolve structural complexity and part durability issues.

Multi-finger expansion devices stretch elastic rings torsion-free, preventing twisting damage and reducing mechanical complexity during assembly.

Differentiated stationary blade edges prevent skin injuries and hair pulling while maintaining effective cutting performance across the adjustment range.

Deformable retainer legs expand inside housing openings to lock blades, preventing assembly integrity loss and corrosion.

Segmented handle design with a blade-mounted finger rest minimizes pressure on the metacarpophalangeal joint during repetitive cutting tasks.

Self-aligning elastic sleeve segments mount on a die cylinder via friction, eliminating complex locking hardware and reducing installation time.

Composite bulk metallic glass flexible members withstand 1000 bending cycles, resolving thickness versus fatigue resistance trade-offs.

Segmented lens design with aspherical surfaces resolves the trade-off between high magnification and system size while maintaining tele-centricity.

Rotary cutting unit uses comb teeth with 1850-3850 MPa elastic modulus to balance skin adaptation and cutting length uniformity.

A spacer integrates hollow spaces to securely hold desiccant and receive center glass panes.

A separable lubrication component pivots between forward and locked positions on a shaving cartridge.

Nested recess in bent support portion extends blade fixation length, resolving the trade-off between improved bending stiffness and increased razor head volume.

A rack-and-pinion blade actuation mechanism automatically retracts the cutting blade when lifted from a surface.

A rotational wedge locking mechanism engages a blade tang and back spacer to maintain secure extension.

Segmented housing with curved surfaces and point contacts directs particles through dedicated outlets, preventing adhesion that blocks blade movement.

A zoom optical system moves a front lens group along the optical axis to adjust focus while keeping internal distances constant during zooming.

A spring adjustment method measures load and displacement to align characteristics with a target line.

Shot peening creates minute ruggedness on inner ring surfaces to lower sliding friction against seal lips.

Stacked plates create vortex flow to separate bubbles and particles, eliminating complex filtration systems.

Forged powder metal gear with variable case depth profile enhances tooth wear resistance and impact strength.

A ring binder mechanism uses a deformable actuator to automatically lock hinge plates, securing loose-leaf pages without manual intervention.