Roll Force/Gap Control Device TRIZ Cases

Uses odd-function correlation of elongation asymmetry to set mill leveling targets, reducing shape defects and fracture in thin hard steel rolling.

Accounts for frictional stress in elastic rolling regions to predict rolling load and contact arc length accurately enough for online mill use.

By varying roll offset and strip draw forces, this case keeps horizontal force within limits to stabilize thin strip rolling.

End-face contour sensing predicts strip lateral offset before unwinding, enabling pre-emptive rolling control to reduce collisions and flatness defects.

Lower-pressure thrust-force correlation sets the true deviation-angle zero in hydraulic pair cross mills, reducing strip meandering and bending.

Past rolling data, plate crown, and thermal expansion are used to preset work roll bending force and keep rolled stock shape on target.

Twin-roll thin strip casting uses controlled B, Cu, and Sn chemistry to produce thin checkered steel with high strength, elongation, and better surface quality.

A titanium-clad carbon steel structure controls interface diffusion to resist sea splash corrosion while retaining 390 MPa strength and low-temperature toughness.

A nickel-based interface helps titanium-clad structural steel resist sea wave splash corrosion without sacrificing bond strength or low-temperature toughness.

A titanium-clad hot-rolled steel strip uses a thin transition layer to resist marine splash corrosion while preserving strength and low-temperature toughness.

Upstream shape measurement feeds rolling mill leveling control to predict camber and unilateral elongation, reducing sheet breakage.

A titanium corrosion layer bonded to 500 MPa hot-rolled strip steel resists sea splash attack while preserving toughness and interface strength.

Independent work-roll crossing keeps backup rolls stable, cutting thrust forces while widening shape control range and response in hot rolling.

Non-contact position detection and hydraulic roll adjustment keep rolled product centered while the roll gap opens or closes.

Controlled alloying and cooling create ultra-thick steel with fewer center defects, 500 MPa yield strength, and stronger brittle crack resistance.

Rolling load and roll speed analysis estimate polygonal wear online, enabling early roll replacement before slight chatter marks reduce yield.

Direct backup roll position sensing improves roll gap accuracy in strip rolling by avoiding force-model errors from friction and roll wear.

An RNN corrects rolling mill material parameters from recent production history, improving target values for force, torque, and strip quality.

Frequency-aware control adjusts rolling gap and entry speed to correct high-frequency strip thickness deviations with minimal residual variation.

Multiple preset load updates use actual rolling results to correct plasticity variation and bring steel sheet elongation to target faster.

3D sheet-edge data and a prediction model set steering roll and press position to keep cold rolling stable and reduce defects.

Parallel roll-pair angle control with small work rolls and bending force expands hot strip shape control to correct quarter buckles.

Two-stage rolling and low-temperature cooling control oxide inclusions in welding steel, improving toughness and cutting alloy cost.

Controlled alloying and rolling create bridge steel that balances high strength, low yield ratio, weldability, and weather resistance.

Load sensors replace temperature measurement to calculate strip wedge and adjust roll gap for precise rolling control.

Three-zone rolling force modeling improves non-steady-state roller gap prediction to support tighter rolled thickness control.

Separating symmetric and asymmetric roll eccentricity compensation helps stabilize strip thickness, rolling force, and tension.

By resetting work roll balance force from traction coefficient limits, this case suppresses inter-roll slide and protects rolling mill components.

Uses edge reliability checks and width-based interpolation to measure steel sheet meandering accurately when vapor obscures one edge.

Real-time preset load updates and plasticity coefficient recalibration shorten elongation-rate convergence in temper rolling.

Statistically independent setpoint offsets improve hot rolling sensitivity estimation, reducing control errors and stabilizing final material properties.

Controlled rolling and cooling build acicular ferrite and granular bainite in ultra-thick steel to suppress central defects and brittle crack initiation.

Offset- and wedge-based lateral guide control corrects strip deviation only when limits are exceeded, reducing camber and downtime.

Non-symmetrical actuator settings and thermal adjustment help rolling mills correct asymmetrical strip contours and reduce scrap.

A single distance meter on the looper car detects strip meandering across multiple stages, cutting installation space and cost.

Three-stage heating and cooling enable 150 mm Q500qE bridge plates with high strength, toughness, and low internal defects.

Optimized heating, descaling, rolling, and straightening enable thin, ultra-wide super austenitic stainless steel with stable plate shape.

Temperature-related inputs help a neural network predict steel rolling load more accurately, improving mill setting precision and rolling efficiency.

A rolling stand adjusts roll gap from inlet and outlet tension signals to offset force and springback changes, keeping strip thickness on target.

By resetting work roll balance force from rolling load, torque, and rigidity, this case suppresses inter-roll slide and protects bearings during biting.

Rolling parameters are adjusted to measured alloy composition, enabling high-scrap aluminum strip production with stable quality.

Using tapered work rolls at high linear load, this case suppresses edge cracks and sheet breakage while maintaining sheet thickness control.

Historical rolling data and substrate inputs predict start parameters before threading, reducing bad starts, surface defects, and scrap.

By setting and tracking a strip point at a defined coil angle, this case reduces coil beat and stabilizes rolled strip thickness.

Video monitoring tracks product position and oscillation between rolling stands to adjust speeds and roll gaps before cobble occurs.

Indirect temperature inputs such as skid rail and slab temperatures improve rolling load prediction, helping set rolling mill values more accurately.

A distance meter tracks strip edge position and scan angle to detect and correct meandering in multi-stage loopers without bulky looper-car hardware.

Direct roll chock position measurement compensates for wear and axis skew, helping rolling mills control strip wedge with less maintenance.

Real-time gap correction keeps roll force balanced across stands despite thermal and wear changes, improving strip thickness consistency.

Line sensor edge detection cuts meandering calculation to milliseconds, enabling timely roll gap correction and buckling prevention.

Dynamic roll-gap gain control suppresses hot-rolled strip meandering at the tail end, reducing squeezing downtime in tandem mills.

Downstream-to-upstream stand adjustment stabilizes flying gauge change in endless strip rolling while maintaining thickness and temperature control.

Twin-roll casting with sealed hot rolling and gas atomization cooling cuts energy use while improving thin-gauge checkered steel strip uniformity.