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Double Ended Shear Beam Load Cell: The Backbone of Heavy-Duty Industrial Weighing
When you operate a weighbridge that handles hundreds of trucks a day, or a tank farm where every kilogram of raw material matters, the accuracy and reliability of your weighing system come down to one critical component: the load cell. Among the various types available, the double ended shear beam load cell stands out as the workhorse of heavy industrial weighing. It is the sensor of choice for truck scales, tank and silo weighing, hopper batching, and countless other applications where high capacity meets the need for unwavering precision.
At UP Scales, we supply double ended shear beam load cells engineered for the toughest environments. Whether you need a 10 Ton unit for a mid-sized weighbridge or a 30 Ton cell for the most demanding industrial installations, our range delivers the accuracy, durability, and long-term stability your operation depends on.
What is a Double Ended Shear Beam Load Cell?
A double ended shear beam load cell is a precision force sensor designed to measure weight through the principle of shear strain. Unlike single-ended load cells that are fixed at one end and loaded at the other, a double ended shear beam is secured at both ends and loaded at the centre. This unique configuration makes it ideal for applications where the load cell must act as a structural bearing component within a weighing system.
The load cell consists of an elongated beam with strain gauges mounted on specially machined webs near each end. When a load is applied to the centre, the beam experiences shear forces concentrated in these web areas. The strain gauges convert these mechanical forces into electrical signals proportional to the weight, which are then processed by your weighing indicator to display an accurate reading.
Why Choose a Double Ended Shear Beam Load Cell?
Superior Stability Under Heavy Loads
The double-ended mounting configuration provides exceptional restraint against movement, making these load cells inherently stable even under high-capacity loading. This design gives excellent performance for high capacity loading and is well-suited for applications with high deadload and low live load, such as large tanks and hoppers where the empty vessel weight is substantial.
Insensitivity to Side Loads and Bending Moments
Industrial weighing environments are rarely pristine. Wind, vibration, thermal expansion, and off-centre loading all introduce forces that can corrupt a measurement. Double ended shear beam load cells are insensitive to side loads and bending moments, ensuring that your weight readings remain accurate even when conditions are less than ideal.
Rugged Construction for Harsh Environments
These load cells are built to survive. Constructed from alloy tool steel or stainless steel and protected with IP67 or IP68 sealing, they resist moisture, dust, and corrosion. For outdoor weighbridges exposed to rain and dust, or for chemical plants where corrosive vapours are present, the double ended shear beam load cell delivers reliable performance year after year.
Available Capacities: 10 Ton, 20 Ton, and 30 Ton
We supply double ended shear beam load cells in a range of capacities to match your specific application. The most commonly requested configurations are:
| Capacity | Typical Applications |
|---|---|
| 10 Ton | Medium-sized weighbridges, tank weighing, hopper scales, and industrial material handling |
| 20 Ton | Heavy-duty weighbridges, large silos, industrial batching systems, and bulk material weighing |
| 30 Ton | High-capacity truck scales, rail weighing systems, bulk material handling, and heavy industrial applications |
All capacities feature the same robust construction and precision engineering that make double ended shear beam load cells the trusted choice for critical weighing operations.
Technical Specifications
While exact specifications vary by capacity and model, our double ended shear beam load cells share a common set of performance characteristics:
| Parameter | Typical Specification |
|---|---|
| Type | Double Ended Shear Beam |
| Capacities Available | 10 Ton, 20 Ton, 30 Ton |
| Material | Nickel-plated alloy tool steel or stainless steel |
| Ingress Protection | IP67 or IP68, with hermetically sealed construction |
| Accuracy Class | OIML R60 C3 |
| Output Sensitivity | 2.0–3.0 mV/V |
| Combined Error | ≤ ±0.03% F.S. |
| Creep (30 Minutes) | ≤ ±0.02% F.S. |
| Safe Overload | 150% of rated capacity |
| Ultimate Overload | 300% of rated capacity |
| Compensated Temperature Range | -10°C to +40°C |
| Operating Temperature Range | -35°C to +65°C |
These specifications ensure that your load cell delivers high accuracy and precision even under prolonged load and challenging environmental conditions.
Applications: Where Double Ended Shear Beam Load Cells Excel
Truck and Rail Weighbridges
The most common application for double ended shear beam load cells is in truck scales and weighbridges. The double-ended design allows the load cell to be mounted securely beneath the weighing platform, where it bears the load through a central loading point while being restrained at both ends. This provides the stability and accuracy needed to weigh vehicles reliably, even in constant use and outdoor conditions.
Tank, Silo, and Hopper Weighing
In process industries, double ended shear beam load cells are used to weigh storage tanks, silos, and hoppers. The double-ended mounting provides good restraint against tank movement and, in many cases, eliminates the need for check rods or other anti-movement devices. This simplifies installation and reduces maintenance requirements.
Batching, Blending, and Mixing Systems
Accurate ingredient measurement is critical in batching operations. Double ended shear beam load cells deliver the precision needed for batching, blending, and mixing systems, ensuring that each batch meets exact specifications and reducing costly errors.
Onboard Vehicle Weighing
The compact design and resistance to side loads make these load cells suitable for onboard weighing systems on trucks and trailers, where they must withstand the rigours of the road while providing accurate weight data.
Installation Considerations
Proper installation is essential for getting the best performance from your double ended shear beam load cell. Key considerations include:
- Mounting: The load cell should be mounted on a rigid, flat surface at both ends, with the load applied precisely at the centre.
- Alignment: Ensure that the load is introduced perpendicular to the load cell and that there is no binding or side-loading.
- Mounting Hardware: For optimal performance, use appropriate mounting modules or assemblies designed specifically for double ended shear beam load cells.
- Calibration: Calibrate the load cell upon initial installation and periodically thereafter to maintain accuracy.
Our team at UP Scales can provide guidance on selecting the right load cell and mounting accessories for your specific application.
Why Buy from UP Scales?
As a trusted supplier of industrial weighing components, UP Scales offers:
- Genuine Products: All load cells are sourced from reputable manufacturers and meet stringent quality standards.
- Application Support: We help you select the correct capacity and configuration for your weighing system.
- Competitive Pricing: Direct pricing without unnecessary markups.
- Technical Guidance: Our team can advise on installation, calibration, and troubleshooting.
Whether you are building a new weighbridge, upgrading an existing tank weighing system, or replacing a failed load cell, we have the right solution for your needs.
Contact UP Scales today for pricing, technical consultation, or to discuss your specific requirements.
