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Thickness control

In-line and non-contact thickness control is a key element for the quality of the final product. Systems based on the measurement of density by absorption still represent the only possible solution for complex lines and critical environments. Alternative laser or PEC systems can be an economic alternative only on clean rework lines, on non-reflective surfaces or in very special cases where there are no criticalities. The same non-contact technology offered lends itself to detecting not only the thickness, but the continuity and density. It is therefore able to compare densities and thicknesses even without quantifying them. In some conditions, a laser measurement by triangulation can be very useful to provide, at a steady line, a data with an accuracy, albeit not micrometric, as absolute preset value of the X-ray system. The latter is just an example of how we combine different technologies into integrated systems to perform advanced functions. The ultimate goal is not only to provide a datum of the thickness measurement in a given point or surface, but to use numbers to optimize the process.

PROCESS CONTROL STARTS WITH A RELIABLE MEASURE
  • Plate mills and casting lines
  • Hot rolling mills
  • Hot strip mills
  • Tandem e reversing mills
  • Z-mills
  • Metal ribbon
  • Slitting / cut to length
  • Pickling / recoiling / skin-pass
  • Electrolytic tinning line
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Movable frames scanning

LS Longitudinal scanning

Continuous centerline thickness scanning, ideal for process and finishing lines with or without automatic gauge control.

Main applications

Process, finishing, recoiling

PS - Profile scanning

Continuous or on demand thickness profile scanning with moving frame, single static sensor.

Main applications

Caster, pickling and temper

ED- Edge drop scanner (CRAB)

Independent double frame for edges and borders drop thickness scanning with static sensors.

Main applications

Casters, pickling, skin-pass

Movable sensors scanning

1HS - Single head scanner

Continuous longitudinal or altenative thickness profile scanning with single moving sensors.

Main applications

Hot rolling, strip and plates

2HS - Dual head scanner

Continuous thickness profile scanning with double kit of moving sensors.

Main applications

Hot rolling, strip and plates

3HS - Triple head scanner

Continuous longitudinal and always on thickness profile scanning with triple kit of moving sensors.

Main applications

Hot rolling, strip and plates

Redundant systems

OS - O-Frame scanner

Continuous longitudinal or altenative thickness profile scanning with single moving sensors.

Main applications

Casters, rolling, tandem

TWINSYSTEMS (LS+PS)

Redundant continuous longitudinal and continuous thickness profile scanning with single moving sensors.

Main applications

Tandem, temper, hot plates

DG -Dual Gauge

Redundant combined for "always on" double longitudinal scanning or one in backup, with double kit of sensors located side by side into the same frame.

Main applications

Tandem, hot and cold rolling