ABB offers a complete range of roll force load cells of different types and sizes. Connector cables to be preferred to fixed cables.Step-by-step assembly of our prestressed Load Cell Package

Load cell packages

When the load cell is positioned under the lower back-up roll bearing, which is the most exposed position, we can offer a pre-stressed package with lower pressure plate, load cell, frame and upper pressure plate.

The safe and compact Load Cell Package secures easy and correct installation. You increase the possibility of accurate measure, and can count on a longer lifetime and lower maintenance costs.

ABB has many years of experience of installing load cells in all types of rolling mill.

To achieve the best possible measurement results, certain basic rules must be observed during the installation of the load cell:

The entire force must pass through the load cell.

• The force must be measured as close to the source of the force (the roll gap) as possible.

• The load cells must be protected to the greatest possible extent from large bending, lateral and torsional forces.

Circular load cells

PFVL 141C, measurement range 2.0–60 MN

Standard sizes and cable lengths

Load cells are manufactured in the standard range as below.

Select as follows:

• Determine the load for which the load cell is to be used and choose from the table the next higher value in the standard range.

When ordering, please state:

• Type designation

• Nominal load

Example

Nominal load 20 MN per load cell. Select 20 MN load cell, dimension OD=560 mm, ID=510 mm. PFVL 141C, 20 MN

Rectangular load cells

PFVL 141V, measurement range 0.63–60 MN

Standard sizes and cable lengths

Load cells are manufactured in the standard range as below.

Select as follows:

• Determine the load for which the load cell is to be used and choose from the table the next higher value in the standard range.

• Determine either the width or length of the load cell and calculate the other dimension using the following formula:

– L x W x 0.0001 = F

L = load cell length in mm

W= load cell width in mm

F = nominal load of load cell in MN (taken from the standard series in the table)

Width and length are rounded up to the next higher value in the table.

When ordering, please state:

• Type designation

• Nominal load

• Width and length

Example

With a nominal load of 14 MN and a width of 370 mm the length will be 390 mm (rounded up from 378 mm). PFVL 141V, 14 MN

L=390 mm, W=370 mm

Annular load cells

PFVL 141R, measurement range 2.0–28 MN

Standard sizes and cable lengths

Load cells are manufactured in the standard range as below.

Dimensions can be designed to order on request.

Select as follows:

• Determine the load for which the load cell is to be used and choose from the table the next higher value in the standard range. We can customize load cells if a standard load cell is not suitable for a particular application.

• To calculate the load F for non-standard load cells:

F = ( D3 2 π 4 – D2 2 π 4 ) × 0.0001 MN.

Example

PFVL 141R, 10 MN

D2

=385 mm

D3=525 mm
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