Internal Measurement of Dovetail Slots & Turbine Blade Grooves
Internal Measurement of Dovetail Slots & Turbine Blade Grooves
APPLICATION GAUGING
The Challenge Bowers was approached by a well-known industrial turbine manufacturer to develop a method of measuring dovetail slot width and position in a circular component. The datum for the measurements was taken from the shoulder of the slot replicating the final ‘In Service’ blade datums. The Solution Bowers' Applications Team developed a special 2 Point head solution based on the popular Bowers XT system. The system incorporates tungsten carbide ball contacts for high accuracy. The Bowers XT digital readout offers the capability to send data for SPC and part traceability. Advantages over Competitor Solutions The Bowers dovetail variable gauge is able to output the actual size and position as opposed to competitors' attribute (Go / No Go) gauging. The gauge has a long working life and doesn’t wear like attribute gauging.
Measurement of dovetail seat face width
Single side measurement for set-up / symmetry
At a Glance
Features
• Internal/external systems available. • Custom systems designed to suit customers requirement. • 1 stage & 2 stage production measurements available. • Wide range of options from XT to lever gauge style gauges • BT Capacity for easy data capture • Setting masters available to enable quick & accurate setting and measurement
Potential Industries
Measurement of bottom lobe width
Double side measurement for overall width
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• Aerospace • Nuclear • Turbines • Power Generation
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