ABB PFVL141V-0.63MN high-precision, heavy-duty rectangular load cell

Introduction

The ABB PFVL141V-0.63MN is a high-precision, heavy-duty rectangular load cell belonging to ABB’s renowned Millmate Roll Force System series. 

Designed specifically for the metal processing and steel rolling industries, this sensor accurately measures vertical rolling forces (roll gaps and roll-force distribution) within mill stands.

Operating on ABB’s unique Pressductor® magnetoelastic (magnetostrictive) principle, the PFVL141V-0.63MN ensures non-contact internal sensing that translates mechanical force into clean electrical signals. This eliminates the mechanical wear and drift common to standard foil strain gauge sensors, providing reliable data even under the most abusive industrial conditions.

Technical Parameter Table

Product Advantages and Features

Pressductor® Solid-State Technology: Does not rely on delicate bonding agents or thin strain gauge foils. 

Voltage is induced via changes in the magnetic core, providing zero physical wear.

Extreme Overload Resistance: Capable of handling accidental impact loads up to 700% of its nominal capacity. 

This prevents catastrophic sensor failures during mill cobbles or strip snaps.

Insulation Defect Immunity: Water, rolling oil, mill scale, and emulsion can drastically reduce insulation levels in typical sensors. 

The PFVL141V retains measurement accuracy even when insulation levels drop as low as 10 kΩ.

High Output Power & Low Impedance: The low-impedance output serves as a natural shield against heavy electromagnetic interference (EMI) and radio frequency (RF) noise present in heavy industrial plants.

Uniform Force Reconstruction: Consisting of nested internal transducers,

 the load cell reliably measures total vertical force even when the load is unevenly or eccentrically distributed across its rectangular surface.

Unique Product Description

The ABB PFVL141V-0.63MN breaks the mould of traditional measurement tools by acting as a structural building block within the mill stand itself rather than a fragile accessory. 

Wrapped in robust stainless steel sidebars and fully sealed against contaminants, this rectangular marvel balances a compact 0.63 MN capacity with industrial-grade armor.

 While alternative sensors shift, drift, and degrade under cyclical shock loads, the Pressductor® core of the PFVL141V delivers consistent, drift-free execution year after year, fundamentally slashing mill downtime and keeping rolling thickness tolerances perfectly uniform.

Application Cases

Steel and Aluminum Hot/Cold Rolling Mills: Placed underneath the lower backup roll bearing housings to accurately map out true roll force distribution between the drive side and operating side.

Roll Gap Control Systems: Provides real-time dynamic feedback to automatic gauge control (AGC) hydraulics to ensure precise metal strip thickness profiles.

Roll Eccentricity Monitoring: Used to trace out back-up roll bearing conditions and roll out-of-roundness to enable predictive maintenance strategies before surface defects print onto the metal strip.

Extrusion & Straightening Machinery: Adapted for heavy metal pipe and profile manufacturing lines to regulate straightening and extrusion forces.

Related Models & Other Models in the Same Series

The Millmate system splits into specialized form factors (Rectangular, Circular, and Annular) to fit different mechanical footprints within mill windows:

Form Factor Variations

PFVL 141V (Rectangular Series): Designed for placement under lower back-up roll bearing housings or mill shoes.

PFVL 141C (Circular Series): Optimized for specific localized round housings (2.0 MN to 60 MN).

PFVL 141R (Annular/Ring Series): Specifically shaped with a center-hole for mounting directly between the mill screw nut and the mill stand (2.0 MN to 28 MN).

Nominal Capacities within the PFVL141V Range (MN)

The rectangular blocks range from light applications up to maximum industrial force sizes:

0.63 M