Tag Archive for: flexure

Natural Frequency 101
Interface Natural Frequency 101 defines the inherent rate at which a sensor oscillates when allowed to vibrate freely. Learn how natural frequency and deflection affect dynamic force measurement, how to avoid resonance, and engineering tips for optimizing load cell accuracy. Natural frequency serves as the definitive boundary for the bandwidth of a force measurement system and for structural integrity. Accurate data acquisition from load cells relies on maintaining a clear separation between the application's operational frequency and the resonant frequency of the physical test loop.

The Divergence in Force Measurement of Strain Versus Stress
Interface details stress testing versus strain testing using force measurement sensors to quantify material deformation and internal resistive forces. Distinguishing between stress and strain is critical for defining test parameters, selecting sensor capacities, and interpreting data from a material’s elastic and plastic regions.

Controlling Crosstalk in Multi-Axis Force Measurement Systems
Interface details the mechanical considerations and best practices for managing crosstalk. Using multi-axis sensors, crosstalk occurs when a load applied strictly to one axis produces a parasitic signal in another. For Interface instrumentation and sensor systems, managing this requires minimizing mechanical coupling at the flexure and applying mathematical compensation through precision electronics.

Bridge Completion Considerations
Interface's use of the Wheatstone bridge is considered world-class in load cell design and for its ability to produce accurate measurements. Selecting the right instrumentation and ensuring proper bridge completion are technical necessities for maintaining the integrity of your force measurement data. Our bridge completion solutions simplify selecting the right instrumentation device to pair with your sensor, making it easier than ever to achieve high-quality measurements.

High-Fidelity 101
Interface 101 series details high-fidelity (Hi-Fi), a term referencing how accurately a measurement system reproduces the characteristics of a physical input. Load cell users may require a high-fidelity system where the digital output precisely reflects the mechanical force applied to the sensor. This integrity must be maintained throughout the entire signal chain, from the physical deformation of the strain gage to the final data output. Hi-Fi is very important in aerospace, additive manufacturing, and product efficiency such as lightweighting.

The In-Line Advantage of S-Type Load Cells
Interface S-Type load cells are the preferred choice for in-line force measurement. The miniaturized high-accuracy load cell is easy to integrate due to the compact footprint of the sensor design. Learn the technical details of it's patented unitary construction, flexure zones, and key specifications like static error band and natural frequency ideal for machines, OEMs, automotive, aerospace, medical, and robotic applications.

Elasticity 101
Interface's Elasticity 101 details the importance of Hooke's Law of Physics. In a load cell, we want a material with a very predictable stiffness. If the material permanently deforms or creeps, the deformation value won't return to zero, and your measurements will be inaccurate. A load cell is essentially a mechanical transducer that converts mechanical force into elastic potential energy, which we then capture as data. Understanding how your sensor bends is the first step toward mastering precision force measurement. Learn more in Interface's ForceEDU 101 Series.

Subzero Force Measurement to Manage the Chill Effect
Interface load cells are used in subzero testing, ranging from heavy machinery to consumer products. Load cell design, rigorous calibration, and temperature compensation are critical for thermal cycling, enabling it to transition repeatedly from extreme cold to room temperature without losing sensitivity or structural integrity. From ski equipment to wearables to energy and aerospace equipment. Interface provides load cells to use in subzero environments.

Discovering Bending Beam Load Cell Use Cases
Interface bending beam load cells are versatile and cost-effective sensors for weighing and force measurement applications. Bending beam load cells can be embedded directly into a product or used in a test lab for analysis and evaluation. Get Interface's Bending Beam Cheat Sheet to learn key terms and specification information to help in the selection process. Interface bending beams are compact in size and reliable, leading to innovative, data-driven solutions across various industries, from medical to industrial automation.