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Strain Gage (Gauge) Measurements

strain gage installation

Our Strain Gage (Gauge) Measurement services include:

  • Strain gage installation
  • Strain data acquisition
  • Static strain due to pressure, temperature & constant loads
  • Dynamic strain due to vibration & transient events
  • Validation of finite element stress analysis
  • Failure investigations

Dennis Peel, SimuTech Group Vice President of Turbomachinery and Testing ServicesCall Dennis Peel
(585) 568-1310
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SimuTech strain gage (gauge) test services

strain gage measurementsStrain gage (gauge) measurements provide a means to determine the strain, stress and load on machinery components. Strain gages may be used to measure static strain due to relatively constant loads such as pressure or thermal expansion. Strain gages may also be used to measure dynamic strain due to transient events or vibration. Information from strain gage measurements is useful for validation of finite element models (FEM), establishing more accurate operating loads and failure investigations. SimuTech performs strain gage measurement both in its laboratory and on-site at customer facilities.

Strain measurements are applicable to a wide variety of structures including industrial equipment, turbomachinery, aircraft, piping, automotive components and electronics. Recent strain gage measurement applications by SimuTech include automotive radiators, a helicopter airframe, a forging press, a bridge truss structure and a high-pressure gas main.

Strain gages may be used in harsh environments including elevated temperatures, erosion, high EMI and immersion in liquids. SimuTech uses a variety of coatings to encapsulate strain gages and lead wires for protection from environmental attack. SimuTech provides field and in-situ strain gage installation services on parts and equipment that are more conveniently instrumented on-site.

strain gage measurementsSimuTech’s strain gage test services include NIST traceable calibration, signal conditioning, data acquisition and signal processing. Before collecting data, the signals are zero balanced and shunt calibrated using signal conditioners with NIST traceable calibration. Data acquisition capabilities include static strain measurements due to steady state or thermal loads and dynamic strain due to vibration and transient events. SimuTech’s services also include selection of gage size and type, specification of gage locations and orientations, strain gage installation, recommendations for bonding methods, and development of practical strategies for dealing with lead wire paths, connection terminals, clearances and gage environmental protection, data acquisition and analysis.

In addition to measuring strain in static parts, SimuTech also has extensive experience measuring strain in rotating parts such as rotors and turbine blades using radio telemetry or slip rings. Telemetry tests are often used to measure the torque on a shaft or vibration of turbine blades. SimuTech provides field testing and in-situ measurements for parts and equipment that are more conveniently tested on-site.

Contact us to learn more about our strain gage measurement services.