Metal Rolling Stand Details TRIZ Cases

Integrated sensors, motor control, and feedback automate roller guide calibration, catching setup errors that cause downtime and poor product quality.

Quick-disconnect roll and shaft-neck structure cuts large-axle mold change from 2 days to 0.5 days while improving rolling accuracy.

Partitioned upper and lower mill housings use columns, hydraulics, and spacers to widen roll opening while keeping mill rigidity and a compact footprint.

Opposed thrust-support devices distribute axial load across work-side and drive-side bearings, extending bearing life in small-roll mills.

A multi-chassis robot extracts and inserts rolling mill rolls directly, cutting oversized arm requirements and added handling equipment.

A hydraulic-free roller with an offset arm deep rolls complex fan blade roots, cutting setup time, oil residue, and tooling cost.

Separating the driven roller from the flatness measuring roller cuts torque-induced deformation and improves strip straightening accuracy.

Lower entry-side tension in the initial rolling stage prevents wrinkles in thin cold-rolled steel sheet without mill modification.

Shifted tapered roll shoulders align with strip edges to prevent harmful roll contact, improving shape control and reducing edge drop.

A front-mounted handle and high-ratio worm drive improve ergonomics, mechanical advantage, and rolling mill stability during manual use.

Spiral-wound thin layers reinforce a tubular base to match thick-wall strength while cutting rolling cost, weld passes, and build time.

Sensors in the oil feed and discharge lines detect coolant contamination and oil loss early, helping localize sealing faults in roll stands.

A two-phase pass change keeps mass flow stable while dynamically adjusting the last stand to shorten transition strips and cut scrap.

Shaped work rolls and controlled cooling create symmetric crowns in slit hot-rolled strips while preserving productivity and flatness.

Simultaneous roll extraction and insertion with adjustable dual housings cuts rolling mill changeover time and reduces manual handling risk.

Movable rails and hydraulic actuators let work rolls be replaced with strip still in the mill, cutting downtime and retrofit complexity.

Optimized roll spacing and outside-diameter reduction reshape non-steady pipe shell ends to prevent insertion failures and improve yield.

A skew outside-diameter mill corrects seamless tube shell end defects after piercing, improving tool insertion and hot rolling stability.

Axially shifting conical working rolls during hot rolling changes effective contour to correct wear and maintain strip profile and planarity.

A four-link torque support absorbs drive torque through tension and compression while avoiding bearing-position errors and preserving roller movement.

A transverse discharge and heated feed layout links casting to rolling in under 100 m, enabling batch or continuous strip production with lower energy use.

A common-axis casting and rolling layout with reversible roughing handles thin and conventional slabs while cutting plant bulk and cost.

Interchangeable rolling modules let hot rolling lines switch product setups quickly, improving productivity and quality without major rebuilding.

By integrating the bending block, axial displacement, and rotation lock, this roll stand cuts housing machining, assembly time, and lubrication points.

A tacky layer and heat seal layer let metal container ends open and reclose repeatedly, eliminating overcaps to cut waste and production cost.

A registration pin and circumferential dampeners stabilize the shaft and cushion tyre release during hydraulic HPGR demounting.

Tapered intermediate rolls and bending blocks enable long hot-rolling sequences of strips under 0.8 mm with lower wear and better flatness.

Adjustable cooling-box positioning enables localized steel section cooling during rolling, cutting transit time and preserving mill productivity.

A boss-and-groove shaft interface enables robots to dock replacement rollers accurately, improving steel pipe line changeover speed.

Parallel strand casting, slab reheating, and staged rolling enable stable high-capacity production of hot strip below 1.2 mm without cold rolling.

Separating the driven tensioning pulley from the flatness measuring pulley reduces torque deformation and improves strip flatness accuracy.

Movable fork branches create mechanical separation during 20-Hi work roll changes, preventing friction damage to rolls, strip, and intermediate rolls.

A sliding three-roller layout forms two sheet widths at once, cutting machine count, transition time, and duct production cost.

Double soaking furnaces, zoned induction heating, and a standby mill keep slab temperature uniform for continuous thin-strip rolling.

A multipart fixed block with externally mounted cylinders cuts rolling-mill displacement cost, space, and maintenance effort.

A quick-coupling robot with a tool magazine automates 20-roll mill roll changes, reducing manual guidance, hazards, and floor space.

Preloaded detachable cartridges let rolling mill rolls be moved as complete units, cutting crane activity, manual handling, and changeover time.

Corrugated three-roll skew rolling adds shear stress to magnesium bars, reducing cracking and anisotropy while forming a gradient structure.

Localized heating expands a tapered work roll end to cut edge drop while suppressing edge tight and plate breakage in metal plate rolling.

Thin wrap layers on a tubular base deliver thick-wall-like strength while cutting heavy-plate rolling, weld passes, and fabrication cost.

Integrated casting, hot rolling, cooling, and reheating produce sub-1.0 mm steel strip with targeted austenitic or ferritic microstructure in one line.

Directly rolling a thin slab from casting heat avoids intermediate heating, cutting cost while reliably producing high-quality hot strip coils.

A switchable last stand changes from four-high to six-high rolling to make thinner high-strength strip without losing torque capacity.

Placing the spray bar actuator opposite the maintenance window clears roll extraction and avoids hose entanglement during maintenance.

Movable fingers grip work roll flank cavities to enable safe roll changes in 20-roll mills without contacting the strip or cylindrical surface.

Movable fingers engage work roll centering cavities for robotic roll changes without touching the cylindrical surface, reducing marking risk.

A tapered sleeve, spring, and locking nut automate heavy roll mounting and dismounting without high-pressure hydraulics or manual lifting.

A fixed bearing module with axial support lets a floating working roll absorb radial and axial loads while reducing frictional heat, wear, and ignition risk.

A pivoting grasping system transfers rolling mill rolls laterally to a rack, avoiding oversized arms and keeping maintenance walkways clear.

Width-based control gain tuning keeps wide steel sheet shape within range while reducing overcontrol and breakage in rolling mills.