Best practices in the use of Non-Contact Capacitive “Smart” Displacement, Gap & Hole Sensors for Aircraft & Aircraft Engines - 30 Pages

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Catalogue excerpts

Capacitec 87 Fitchburg Road Ayer, MA 01432 Tel: 978 772 6033 email: sales@capacitec.com www.capacitec.com 1 AB Best practices in the use of Non-Contact Capacitive “Smart” Displacement, Gap & Hole Sensors for Aircraft & Aircraft Engines Presented at AeroTest America by Bryan Manning Commercial Director-Europe

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Capacitec 87 Fitchburg Road Ayer, MA 01432 Tel: 978 772 6033 email: sales@capacitec.com www.capacitec.com 2 Capacitec Background ƒå Over 25 years of Aerospace Market Experience in the US, Europe and Japan. ƒå Customers include: Lockheed Martin, Boeing, Northrop Grumman, Delta IV, GE, P&W, Rolls Royce, Snecma, MTU, Airbus, Lufthansa, Air France... ƒå Unique leading technology in non-contact capacitive displacement, gap and hole “mapping” sensors and systems. ƒå Introduction of: ƒå Displacement sensors used on fuselage alignment jigs and step gaps. ƒå New Gapman® wands and start of Gapman 2 development...

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Capacitec 87 Fitchburg Road Ayer, MA 01432 Tel: 978 772 6033 email: sales@capacitec.com www.capacitec.com 3 Aircraft Applications

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Capacitec 87 Fitchburg Road Ayer, MA 01432 Tel: 978 772 6033 email: sales@capacitec.com www.capacitec.com 4 Aircraft Engine Applications High temperature thermal expansion Engine rebuild concentricity Fan blade clearance Engine maintenance assessment Blade tip gap measurement Measurement of bore diameters

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Capacitec 87 Fitchburg Road Ayer, MA 01432 Tel: 978 772 6033 email: sales@capacitec.com www.capacitec.com 5 Principle of non contact capacitive measurement Č Capacitive reactance is proportional to the distance between the sensor and the target

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Capacitec 87 Fitchburg Road Ayer, MA 01432 Tel: 978 772 6033 email: sales@capacitec.com www.capacitec.com 6 Typical displacement sensors

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Capacitec 87 Fitchburg Road Ayer, MA 01432 Tel: 978 772 6033 email: sales@capacitec.com www.capacitec.com 7 Typical displacement sensors

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Capacitec 87 Fitchburg Road Ayer, MA 01432 Tel: 978 772 6033 email: sales@capacitec.com www.capacitec.com 8 Displacement measurement ƒå High resolution combined with very small probe sizes (2 mm OD) ƒå High precision with linearity to 0.1% FS and repeatability to 0.01% FS ƒå Extreme temperature: Cryogenic (-272°C) to 1000°C ƒå High frequency response for high temperature and fatigue testing ƒå Blade length balance testing

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Capacitec 87 Fitchburg Road Ayer, MA 01432 Tel: 978 772 6033 email: sales@capacitec.com www.capacitec.com 9 Displacement measurement Aircraft Applications Subassembly Alignment jig sensor: Č Some aircraft assemblers use XYZ plane alignment jigs to hold various sections (e.g. fuselage, wing flaps etc.) during assembly. Č There are typically several tooling hole pins to correctly fix the alignment of joining stages. Č Laser tracker systems are often used but are costly and slow (1 hour + set up time requiring 2 to 3 specialized employees) Č Capacitec offers a non-contact displacement sensors...

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Capacitec 87 Fitchburg Road Ayer, MA 01432 Tel: 978 772 6033 email: sales@capacitec.com www.capacitec.com 10 Displacement measurement Aircraft Applications Steps & Gap Measurement: Č When large composite skins are laid down on a fuselage or wings, they need to be leveled Č The process could be compared to laying ordinary floor tiles. When a tile is too low or high, shims are used for leveling. Č There are typically hundreds to thousands of steps & gaps per aircraft. Č Capacitec offers a simple Step and Gap Tool using non contact displacement sensors

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Capacitec 87 Fitchburg Road Ayer, MA 01432 Tel: 978 772 6033 email: sales@capacitec.com www.capacitec.com 11 Step Gage

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Capacitec 87 Fitchburg Road Ayer, MA 01432 Tel: 978 772 6033 email: sales@capacitec.com www.capacitec.com 12 Gap measurement ƒå Gap measurement range from 0.008” to 0.240” ƒå Handheld portable instrumentation: Gapman®/ Gapmaster3 ƒå Complete line of standard and custom wand sizes ƒå Complete solutions: sensor wand, electronics, data acquisition and display software A B A, B = metal or composite

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Capacitec 87 Fitchburg Road Ayer, MA 01432 Tel: 978 772 6033 email: sales@capacitec.com www.capacitec.com 13 Typical gap sensors

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Capacitec 87 Fitchburg Road Ayer, MA 01432 Tel: 978 772 6033 email: sales@capacitec.com www.capacitec.com 14 Portable “Electronic Feeler Gage”

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Capacitec 87 Fitchburg Road Ayer, MA 01432 Tel: 978 772 6033 email: sales@capacitec.com www.capacitec.com 15 New Gapman® Wands New 0.008” (200 micron) wand New contact wand „Ð

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Capacitec 87 Fitchburg Road Ayer, MA 01432 Tel: 978 772 6033 email: sales@capacitec.com www.capacitec.com 16 Gapmaster 3 ƒÞ Semi-portable non-contact thin gap sensor system ƒÞ Flash memory data logger, real time LCD display ƒÞ Easy to use: menu driven software ƒÞ Critical gap control: flat to flat, flat to radius, composite materials ƒÞ Excellent stability even in production maintenance shop

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Capacitec 87 Fitchburg Road Ayer, MA 01432 Tel: 978 772 6033 email: sales@capacitec.com www.capacitec.com 17 Portable/Precise Gapping System

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Capacitec 87 Fitchburg Road Ayer, MA 01432 Tel: 978 772 6033 email: sales@capacitec.com www.capacitec.com 18 “Gapman 2” VOC Underway The objective is to modernize the electronics as well as enhance the device with enhanced features such as: ƒÞ Flash memory for handling more data ƒÞ Smaller size ƒÞ Longer battery life ƒÞ USB interface ƒÞ Enhanced display

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Capacitec 87 Fitchburg Road Ayer, MA 01432 Tel: 978 772 6033 email: sales@capacitec.com www.capacitec.com 19 Hole/Bore/Taper measurement Easy to use in all aircraft environments.

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Capacitec 87 Fitchburg Road Ayer, MA 01432 Tel: 978 772 6033 email: sales@capacitec.com www.capacitec.com 20 CMS Hole Diameter Mapping System ƒÞ The non-contact displacement sensor probe contains 48 sensors ƒÞ that allow the system to inspect 24 inside diameter locations of a fastener hole, ƒÞ in one insertion, ƒÞ in less than 3 seconds.

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Capacitec 87 Fitchburg Road Ayer, MA 01432 Tel: 978 772 6033 email: sales@capacitec.com www.capacitec.com 21 Typical configuration: 6 levels with 8 sensors Variety of handle configurations available

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