Gearing TRIZ Cases

Motor angle and torque at a rack end stop reveal toothed belt wear in steer-by-wire steering without extra reference sensors.

Idler pulley load sensing enables automatic gear changes from belt tension, reducing slippage, wear, and abrupt shifting.

A resilient dome point-contact coupling absorbs stage transmission forces, preserving lead screw precision while easing machining and assembly.

A two-plane belt layout boosts torque only for high-load auxiliary units, avoiding oversized primary belts and extra load on other units.

Modified high-order elliptical pitch curves remove cusps in noncircular gear pairs, cutting sliding friction losses and improving manufacturability.

Coaxial helicoidal driving rings let a CVT pulley vary pressure continuously, improving response to changing cargo loads and operator demands.

A ball ramp end stop with a spring converts torsional impact into axial compliance, reducing torque spikes and fatigue in high-speed actuators.

Sequential small- and large-diameter gear engagement increases protruding-portion travel for more reliable developer cartridge status detection.

Two motors placed on both sides of the ball screw improve weight balance, cut noise and vibration, and keep steering drive running if one motor fails.

A spring-loaded retracting torque applicator opens transfer rollers when the motor stops, preventing pressure damage and easing maintenance.

Laminated die plates shape complex tubular ball screw components by hydraulic forming while cutting die cost and process complexity.

Two-shot moulding bonds a thermoset elastomer sliding face to a resin chain guide body, improving durability without separate assembly.

A deformable sealing plate rotates with the elliptical bearing to block dirt entry, protect rolling bodies, and preserve harmonic drive precision.

A rotating turntable shifts spoke masses by angular position to create a fixed centripetal force differential for studying motion and energy effects.

By rotating the nut instead of the screw, this feed layout cuts inertia, lowers motor power, and improves heat dissipation.

A shaped axial member varies the moment arm against a torsion spring, helping a belt tensioner hold more consistent tension across travel.

An eccentric nested-ring tensioner keeps both belt spans engaged, lowering installation tension while preserving symmetric torque transfer.

An axial limiting sleeve redirects screw load to the housing, keeping clutch actuation smooth and reducing wear in the coupling gear sleeve.

Pre-assembled nut units with temporary shafts eliminate ball selection during ball screw assembly while maintaining axial gap and preload standards.

A variable-slope helical guide clips thrust peaks to hold motor torque lower, enabling smaller screw actuators with better bandwidth.

A linkage-coupled actuator raises finger wedge barrier mechanical advantage, cuts deployment force, and dampens vehicle shock to reduce wear.

A movable driven shaft tensions one of two belt drives to run selected machines without motor reversal or free-wheel bearing modifications.

Counter-rotating camshafts and support wheels shift the shaft to sustain gravity-driven torque while offsetting frictional energy losses.

Internal air passages and an air chamber stabilize ram-shaft pressure, reducing hose jamming, maintenance, and can release failures.

Off-centre fixed plates, camshafts, and support wheels shift the shaft during rotation to sustain gravity torque while overcoming friction losses.

Periodic grooves on the treadmill pulley create controlled belt slip, reducing sway-related collision noise during non-powered running.

A split housing and threaded adjusting nut set roller screw bearing preload precisely, reducing play and saving space in steering actuators.

A controlled radial gap lets the nut tilt under radial load, avoiding ball-groove interference and extending ball screw life.

A hollow spindle, sleeve, and transmission nut decouple motor vibration from the lifted platform for smoother lifting and longer inner tube life.

Bulged cup-shaped orifice press-fit reduces stress concentration, secures the plunger fit, and keeps oil pressure stable with easier assembly.

A modular worm-gear and screw layout reduces assembly error sensitivity, improving displacement accuracy and rigidity in surgical tool transmission.

A mobile stabilizing device maintains support spacing during extension, improving lateral stability without limiting telescopic column stroke.

Using three molded parts and two fasteners, this linear slide assembly cuts cost and assembly complexity while maintaining low play.

An inclined baffle guide wall redirects aerated lubricant along the chain, improving oil return and avoiding extra sealing plates.

A variable-speed servomotor and eccentric journal decouple redraw sleeve motion from the ram, cutting wear and energy use in can forming.

Grooved pulleys, a grooved belt, and a slip prevention member stop belt slip and tooth jump, improving steering feel and reducing vibration.

A rotatable grooved guide spreads contact force from the securing element, preventing spindle rotation while reducing wear and extending service life.

A coaxial hollow-shaft layout lets two sensors scan both shaft standards from one end, simplifying torque and rotary angle measurement.

Laminated die plates form complex ball screw nut tubes with matched inner surfaces, reducing hydraulic die cost while maintaining precision.

Viscoelastic driveshaft couplers and fixed-ratio pulleys cut engine-generator vibration transfer, reducing operating noise in enclosed power units.

Electroforming from a precision matrix enables flexible gears to be replicated with accurate tooth profiles, lower material waste, and higher throughput.

A dual-motor planetary gear drive lets a linear press switch between fast ram travel and high forming force without hydraulic leaks or temperature limits.

An integrated strain wave differential delivers high gear reduction without added downstream gears, cutting weight, volume, and failure modes.

Orbiting idler pulleys guide a tensile element around fixed and output shafts to deliver compact, smooth high-ratio torque transmission.

A linear piston and trunnion roller tracks replace hard-to-seal rotary vanes, converting hydraulic stroke into much higher output torque.

Two parallel shafts and coupling rods synchronize lifting-table motion in packaging machines while handling high loads and compensating tolerances.

Axial preload on the pinion via a bearing keeps worm-wheel meshing tight under torque and wear while reducing steering noise and vibration.

Integrated supports guide the endless member during pulley segment transitions to limit bending, control slack, and avoid slippage under load.

Shifting the battery pack behind the motor balances a hedge trimmer, reducing lift effort without sacrificing cutting performance.

A grooved ring biased against the lead screw cuts backlash and friction, improving focus lens positioning speed and motor load.