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A Comparison of Tacuna Systems Load Cell Mounts

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Tacuna Systems sells over 20 weighing models and mounts from Anyload to support over 60 types of compatible load cells in various processes such as tank systems, silo measuring systems, hopper and bin weighing, truck scales, railroad track scales, and production line systems.  These modules form the mechanical structure of a weighing assembly in these applications. Pairing a weigh module with a compatible load cell builds an integrated weighing system that gives more accurate data results and substantially increases safety.

This article provides two tables of all of Tacuna Systems’ module and mount offerings. These tables compare their features and usage to make the selection process a bit simpler. The first table compares mounts designed for tension loads. The second table compares compression load mounts and modules.

For any specific questions or any clarifications of the information in this document, please contact Tacuna Systems.

Definition of Load Cell Mount Features

This section defines the product features listed in each table that follows.

Anti-lifting protection:

At times, wind and other forces can lift a load (such as a tank weighing assembly), causing tension or side forces on a compression load cell. Mounts with this feature prevent this lifting force, usually up to half the rated normal load of the mount.

Center pivoted and self-checking:

This mount design directs the applied force at a specific point on the load cell via either a suspension link or a rocker pin.[1] This allows the loading platform of the weigh module to swing with side loads but self-correct to the original steady state position. In turn, this maintains the load direction parallel to the intended load direction and at the intended load point.

Four-points overloading protection:

The mount is designed with rigid supports on the four corners that limit the downward force of the weighed object, to prevent the load cell from bearing more weight than its overload limit.

Free swaying motions:

With these designs, the top mounting plate is free to move laterally. This cushions side forces from the load cell and maintains accuracy of load cell readings.

Insensitive to side loads and bending moments:

This is a feature of center-pivoted and self-checking designs. The side load decreases while the platform swings, ensuring the force is axial to the load cell and its reading is stable.

Jacking bolts:

These are bolts that gently lift (rather than thread into) the mounting plate, separating it from the load cell to simplify its removal or replacement.

Lateral stops:

These structures prevent side loads from moving the top plate of weigh module out of place, ensuring a more accurate reading by maintaining the load in optimal position. They also prevent damage to the load cell and increase safety of the weighing system. (Typically, the base plate of weigh module is fixed through welds to the base of the supporting structure.)

Multi-directional overloading protection:

This design prevents excessive loads from damaging the load cell regardless of the direction of the load.

Rocker pin loading design:

This design consists of a vertical pin bearing the weight of the loading platform, whose ends are curved and can therefore pivot around a fixed point. This fixed point on its bottom end makes contact with the loading point of the load cell. This increases load cell reading accuracy by preserving the axial direction of the load even if the load is slightly off vertical.

Self-aligning:

This is the same as self-checking. This type of mount keeps the load aligned with the intended direction and center position of the load cell.

Side force protection:

This design prevents lateral movements of the mounting plate from altering readings (lateral stops). It also prevents damage to the load cell from side loads.

A Comparison of Tension Mounts and Modules

The table below lists the important features of each Anyload mount or module sold by Tacuna Systems for tension applications.

Weigh ModuleCapacitiesCompatible Load CellMaterialEnviron-
mental Rating
FeaturesApplications
thumbnail
101NHM2
50 lb-20K lb101NH S-BeamAlloy SteelIP67
  • Grounding strap lets stray currents bypass load cell.
  • Provides high accuracy tension loading.
Tank weigh systems, silos, hoppers, production line weighing
thumbnail
535AHM2
5,000 kg, 10,000 kg,
15,000 kg,
20,000 kg,
30,000 kg,
50,000 kg, 100,000 kg
NAAlloy SteelIP67
  • Load pin load cell and shackle are integrated.
  • Bobbin design provides high accuracy and high repeatability.
  • Meets ISO2415-2004 requirements.
Tension measuring, overload monitoring, suspended vessels
thumbnail
110BHM3
500 kg – 10t110BH Tension LinkAlloy SteelIP67
  • Self-checking and patented hole design provide high repeatability.
  • Allows multi-directional movements.
  • Tension loading design with no threaded connection to load cell.
Suspended vessels

A Comparison of Compression Mounts

The table below lists the important features of each Anyload mount or module sold by Tacuna Systems for compression applications. Note the table is divided by load cell type. Also note the use of a tension load cell (the Anyload 110BH load cell) in a compression application through the use of a suspended link mount design.

Weigh ModuleCapacitiesCompatible Load CellMaterialEnviron-
mental Rating
FeaturesApplications
Miniature Load Cell
thumbnail
106MHM1
500kg, 1t, 2t,
5t, 10t, 1Klb,
2.5Klb, 5Klb,
10Klb, 20Klb
106MH-F FatfootAlloy SteelIP67
  • Center-pivoted and self-checking
  • 50% rated load anti-lifting protection
  • All directions for thermal expansion and contraction
Medical beds, veterinary benches, hopper scales, tank weighing, container weighing.
Single-Ended Shear Beam
thumbnail563RSM55 kg – 500 kg563RSStainless SteelIP68
  • Self-checking
  • 50% rated load anti-lifting protection
  • Multidirectional overloading isolation
  • Lateral stops
Bagging machines, conveyor
scales, small industrial
measuring systems such as
hoppers and tanks
thumbnail563YHM2100lb-10Klb
100kg-5t
563YHAlloy SteelIP68
  • Center-pivoted
  • Self-checking
  • 50% rated load anti-lifting protection
Broad range of industrial
weighing including
hoppers and tanks
thumbnail563YHM4100lb-20Klb
100kg-10t
563YHAlloy SteelIP68
  • Center-pivoted
  • Self-checking
  • Rocker pin loading design
  • 50% rated load anti-lifting protection
  • Lateral stops
  • Overload protection
Broad range of industrial
weighing including
hoppers and tanks
thumbnail563YHM5100lb-1Klb
100kg-500kg
563YHAlloy SteelIP68
  • Center-pivoted
  • Self-checking
  • 50% rated load anti-lifting protection
  • Multi-directional movements
Broad range of industrial
weighing including
hoppers and tanks
thumbnail563YSM2100lb-10Klb
100kg-5t
563YSAlloy SteelIP68
  • Center-pivoted
  • Self-checking
  • 50% rated load anti-lifting protection
Industrial weigh systems
such as hoppers and
tanks
thumbnail563YSM3500lb-20Klb
250kg-10t
563YSStainless SteelIP68
  • Overload protection
  • Rocker pin loading design
  • 50% rated load anti-lifting protection
  • Lateral stops
Broad range of industrial
weighing including
hoppers and tanks
Double-Ended Shear Beam
thumbnail102BHM110Klb-200Klb
5t-35t
102BHAlloy Steel
hot-dipped galvanized
IP67
  • Center-pivoted
  • Self-aligning suspension link design
  • Allows multi-directional movements
  • No check rods required
Truck scales, railroad
track scales, weigh
bridges, tank, bin
silo measuring systems,
production line systems.
thumbnail102DHM35Klb-200Klb102DHAlloy SteelIP67
  • Center pivoted and self-checking with anti-lifting protection
  • Sliding pin design compensates for thermal expansion and contraction
Tank, silo, hopper
measuring systems,
production line systems
thumbnail102DSM35Klb-250Klb102DSStainless SteelIP68
  • Center pivoted and self-checking
  • 50% rated load anti-lifting protection
  • Sliding pin design compensates for thermal expansion and contraction
  • Side force protection
Tank, bin, silo weighing
systems
thumbnail102EHM21Klb-75Klb102EHAlloy SteelIP67
  • Center pivoted and self-aligning suspension link design
  • Allows multi-directional movements
Tank, bin, silo, hopper
measuring systems,
production line systems,
scales
thumbnail102ESM21Klb-25Klb102ESStainless SteelIP67
  • Self-checking
  • 50% rated load anti-lifting protection
  • Side force protection
Tank, silo, hopper
measuring systems
thumbnail102THM550-75Klb102THAlloy SteelIP67
  • Center-pivoted, end-loaded and completely self-centering
  • Link design provides multi-directional movements in the horizontal plane
  • No check rods required
Weigh bridges, truck
scales, large-capacity
horizontal tanks
Tension Link
thumbnail110BHM11t-75t110BHAlloy SteelIP67
  • 50% rated load anti-lifting protection
  • Allows free swaying movements for high accuracy readings
Tank, silo, hopper
measuring systems,
production line systems,
weigh bridges
thumbnail110BHM21t-75t110BHAlloy SteelIP67
  • Same as previous with hole for easier load cell replacement
Same as previous
Compression/Disk Type
thumbnail276EHM150t, 100t276EHAlloy SteelIP67
  • Self-checking
  • 50% rated load anti-lifting protection
  • Allows for multi-directional movements
  • Low headroom
  • Lateral stops
Ideal for tank and silo weighing applications
Hopper weighing
Production line systems
thumbnail363RSM1500kg-10t363RSStainless SteelIP68
  • Center-pivoted and self-checking
  • Rocker-pin design allows for multi-directional movements
  • 50% rated load anti-lifting protection
  • Side force protection
  • Lateral stops
  • Jacking bolts for load cell install/replacement
Tank, silo and hopper
measuring systems, production
line systems, conveyor
scales, platform scales
Test Module
thumbnailTMA-108B6kg, 20kg
Capacities of
3kg, 7kg, 10kg
15kg and 30kg are available upon request
Single-PointAluminumN/A
  • Four points overloading protection
  • Anti-lifting protection
Demonstration or testing
of scale indicators,
remote displays, printers,
computers, PLC, etc.

References

[1] Anyload (anyload.com)

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