PFCL201CE 10KN ABB Tension pillow type sensor unit vertical load cell

Description

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The equipment is a precision instrument which, although intended for severe operating conditions,
must be handled with care. The load cells should not be unpacked until it is time for installation.
To achieve the specified accuracy, the best possible reliability and long-term stability, the load cells
must be installed in accordance with the instructions below. See also 6.4 Fault Tracing in the
Mechanical Installation.
• When a load cell type PFTL 101AER or PFTL 101BER is used for an acid resistant
application it is recommended to use adapter plates and screws of austenitic, acid resistant
steel.
Information
For all types of installations of these load cell types, austenitic steel must be used,
preferably acid resistant or stainless steel.
• The foundation for the load cell must be made as stable as possible. A sturdy construction
reduces the vibration energy of the measuring roll and bearing arrangement.
• The surfaces closest to the load cell, and other surfaces that affect the fit must be machined
fl@t to within 0.05 mm.
• There must not be any shims immediately above or below the load cell, as this may
adversely affect the fl@tness Instead, shims may be placed between the adapter plate and
the foundation or between the adapter plate and the bearing housing.
• The screws that secure the load cell must be tightened with a torque wrench.
• The bearing arrangement for the measuring roll must be designed to allow axial expansion of
the roll with changes in temperature.
• Any drive to the roll must be applied in such a way that interfering forces from the drive are
kept to a minimum.
• The measuring roll must be dynamically balanced.
• The mounting surfaces of the load cells must be on the same height and parallel with the
measuring roll.
• In a corrosive environment, galvanic corrosion may occur between the load cell,
galvanized screws and adapter plates. This makes it necessary to use stainless steel screws
and adapter plates of stainless steel or equivalent. See adapter plates in A Drawings.