Fuel Injectors

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    Fuel InjectorsEver increasing demands on vehicle fuel emissions mean tighter tolerances on components such as fuel injector systems, tighter toleranced components require higher accuracy instruments. Sub micron roundness measurement combined with high accuracy and low noise surface finish measurement are essential features for measurement of common rail components.

    Roundness and run-out of injector seating faces can be measured down to sub micron accuracies with a high degree of confidence helping to control the stringent processes required to produce injectors as detailed in the Talyrond links below.

    Whether the component form is radial, angled or straight Taylor Hobson range of surface instruments can measure both form and surface finish in a single pass covering all aspects of analysis as detailed in the Form Talysurf information below.

    The increasing demand on vehicle fuel emissions mean tighter tolerances on both the geometric form and surface finish of the fuel injector system and its associated components. Of critical importance are the concentricity's of the seating face of both the pin and valve body in relation to their respective axes. For example the valve pin shaft fits with high precision into the valve body, the cylindricity of this shaft is critical as is the concentricity of its seating face to the shaft body, any errors in either would cause the pin to seat incorrectly in the valve body, this would result in bad fuel control and flow rate. To prevent this scenario measurements need to be made on high precision roundness systems such as that of the Talyrond 395. This instrument has high accuracy datums with extremely accurate position control and the ability to automate the centering process to less than 0.2um making this one of the most accurate measurement systems available.


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