Metal-Working Apparatus TRIZ Cases

Optical sensor detects skin-hair boundary to control drive system, maintaining defined edges without frequent barber visits.

A flexible graphite sheet undergoes single-step die-cutting to form fluid channels and manifolds, creating self-sealing bipolar plates.

Alternating rollers and cutting blades remove hair, skin, and cream debris during shaving to prevent clogging and maintain blade sharpness.

Dynamic movable guides adjust position along the conveying path to reliably separate complex scrap shapes without manual intervention.

A knife pinion device transforms transverse pusher movement into longitudinal blade extension, enabling a 5 cm outlet stroke while reducing operator effort.

Nested levers provide 15:1 mechanical advantage, reducing desktop space and manufacturing costs for compact tools.

Segmented hook-shaped cutting edges on an oscillating blade body enable bidirectional material engagement, resolving single-direction versatility limits.

A razor cartridge retention member anchors a shaving aid via a front wall extending toward the blades to maintain consistent geometry.

A hair clipper uses an adjustment unit to move a comb attachment relative to cutting blades.

A handheld razor cutter uses a notched blade housing to secure and expose cutting edges for precise screen trimming.

Segmented polymer film coatings on razor blades manage skin bulges and minimize friction, reducing nicks while maintaining effective hair cutting force.

Segmented 4-piece folding units with integral faces and lines reduce a large cutting mat to one-fourth its unfolded size for portable storage.

A modular razor attachment mechanism enables pivotal movement between interchangeable handles and blade assemblies.

Single-point engagement via resilient arms replaces complex multi-point mechanisms to reduce assembly complexity while maintaining connection reliability.

A trigger knife uses a limiting mechanism to fix the blade at preset positions within the shell.

Clamping means apply transverse force to elastically deform a second tool, adjusting the punching gap width to compensate for wear and prevent burr formation.

A damper pad assembly distributes operating loads across hair clipper blades, reducing wear and motor energy input while preventing galling.

Rotating the diode laser beam aligns the asymmetric profile with the cutting path, resolving power loss and coupling efficiency issues.

An angled guide surface moves a trim punch along two translatory directions, reducing friction and sliver formation during sheet metal cutting.

Angled slitter blades on a spiral holder cut food into uniform helical strips, resolving the trade-off between cutting precision and device complexity.

Corrugated knives and support members create large amplitude cross-sections while preventing through-cracking and surface abrasion.

An integrated ceramic razor blade uses curved face contact portions to guide blades into horizontal skin contact, preventing diagonal cuts and corrosion.

A folding knife assembly uses an interlocking blade system to enable one-handed operation while maintaining structural integrity.

Hollow pin rollers perforate beverage bottles during compression, eliminating complex adhesive processes and enabling individual pin replacement.

Centering pins and a locking ring align the blade perpendicular to the rotation axis, resolving alignment precision issues in slicing machines.

An open support structure connects rotary shaving heads to the handle, allowing direct water access to drive shafts and corners.

A mobile carrier plate retains multiple pin-type fasteners for simultaneous insertion, reducing assembly time and noise exposure in aircraft construction.

An integrated suction system in this cordless vacuum haircut kit uses a wind impeller to prevent broken hair from falling on the neck.

Curving guard foil edges eliminates sharp metal contacts that cause skin irritation while maintaining structural stiffness.

Segmented cutting components with an extractable retainer reduce cleaning complexity while maintaining high shaving performance.

A sliding paper pushing frame clears material during blade retraction, preventing inertia-induced jamming and electrostatic adhesion.

A plug removal tool uses a dual-thread plunger shaft to convert axial motion into rotation for secure extraction.

Actuating the blade change button retracts a blocking section from the slide path, enabling the slide to reach a blade-changing position for easy replacement.

A shaving unit housing integrates a base supporting structure to directly hold the external cutting member in an axial direction.

Mechanical machining shapes the workpiece surface to enhance laser absorptivity, eliminating blackening steps and reducing process complexity.

A fusible closure member ruptures during hot isostatic pressing to equalize internal pressure within hollow module channels.

A threaded cut-out tool screws into housing walls to create precise openings using controlled rotational motion.

An inclined cutting block prevents skin contact while a curved body improves grip versatility.

A slice classification system captures high-speed digital images of cutting food bars to analyze control regions and classify slices as acceptable or defective.

A cutting device and spear system automate the removal of net wrap from agricultural bales.

A single integrated spring merges locking and tightening functions, reducing assembly complexity and manufacturing costs while maintaining secure coupling.

Movable pressure pieces adjust gripping edge spacing via workpiece weight, eliminating separate drives and reducing structural complexity.

A mobile crane hoist cable guides a roller to position partial pieces of an additional device onto the main boom, eliminating auxiliary crane costs.

A hair clipper adjustment drive uses a movement sensor unit to detect appliance orientation changes for precise comb positioning.

An electromagnetic actuator generates repulsive force to deform metal workpieces against a patterned die surface without mechanical contact.

Vertical nozzle chambers overlie primary vias to eliminate horizontal channels, resolving device complexity while enhancing thermal energy transfer.

Selective ironing of the base region preserves material length at the tip, preventing cracks during subsequent diametric enlargement.

Layered composite particles manage corrosion rates from 0.1 to 450 mg/cm2/hour, enabling precise removal of downhole articles without complex alloy adjustments.

Deep rolling with a ceramic ball creates subsurface compressive stresses to overcome shallow shot peening penetration limits.