Ultrasonic Immersion Testing System

Ultrasonic Immersion Testing System Ultrasonic Immersion Testing System WELLS Krautkramer has introduced a new range of British designed and built ultrasonic immersion testing systems for detecting minute flaws in large, safety- critical components such as aero engine turbine discs and rings. Aircraft engines incorporate a number of large discs into the periphery of The three main axes, X, Y, and Z, are which turbine blades are located. mounted on precision linear bearings High rotational speed of these com­ running on precision ground rails. They ponents under conditions of extreme are driven by vertically mounted rack temperature puts very high demands on and pinion drives to obviate particles of these critical components when an dust and debris lodging on the rack. by Wells Krautkramer's own experts engine is running. Any minute flaws in Mounted on the frame is the control who understand precisely the needs of the material must be detected in order to console which provides for simultaneous non-destructive testing systems. avoid risk of catastrophic failure in indexing of all axes through their own The company's policy is one of service. modular plug-in drive control units. continuous production to ensure that Ultrasonic testing of these components The main host computer also controls short deliveries are maintained. Pros­ is carried out by immersion techniques turntable speed and probe manipulation pective customers may therefore see axes A and B. due to the need for 100 per-cent "their own" tank under construction, coverage of each disc. Turntable speeds of rotation is varied but may yet have an input regarding The new system is engineered and continuously as the probe is traversed their precise requirements in the system. manufactured to the highest standard in from the periphery of the work towards Modular computer design and a full Wells Krautkramer's Birmingham works, the centre, ensuring optimum tracking spares inventory ensure that servicing and is the culmination of many years of speed is maintained for consistent equipment in the field is both speedy experience producing non-destructive ultrasonic data collection. and efficient. testing systems for industry. Two options of turntable are offered: One is a drop-in unit powered from Wells Krautkramer, Castle Vale above by belt drives, the other is a drive- Industrial Estate, Maybrook Road, The system through unit powered from beneath the Minworth, Sutton Coldfield, West The system consists of a large stainless tank. Midlands. B76 8AY. Tel: 021 351 steel tank measuring 1.2 x 1.3 x 1 metre Computer control software is written internally, and contains water filtered, heated and maintained at 30 degrees centigrade to minimise air bubbles. The tank is supported by a heavy duty High Temperature Pattern & Modelling Block welded steel box section frame. ACG TB 650 Tooling Block is ideal for autoclave moulding. Inside the tank is a motorised turntable vacuum forming moulds but has been Advanced Composite Materials Ltd workstage onto which the component under test is clamped. developed primarily as a model and stocks blocks in various sizes currently A bridge, or gantry, traverses the pattern material for the production of up to 1000mm x 1000mm x 125mm prepreg composite tools. length of the tank, and a carriage on this with a full range of ancillary products, adhesives plus filler and sealer. bridge travels at right angles to it across Its excellent machineability, di­ the tank. Mounted on the carriage is a mensional stability, low coefficient of vertical probe mast, and at the lower thermal expansion and chemical com­ Advanced Composite Materials Ltd., end of it the ultrasonic probe is mounted patibility with tooling prepregs offer Composites House, Adams Close, on a tilt and swivel head. Thus the probe real benefits in the manufacture of Heanor Gate Industrial Estate, can be positioned and presented to the composite mould tools direct from the Heanor, Derbys. DE7 7SW. Tel: work at any attitude. Tooling Block by vacuum bag or 0773 769077. 14 AIRCRAFT ENGINEERING — January 1991 http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aircraft Engineering and Aerospace Technology Emerald Publishing

Ultrasonic Immersion Testing System

Aircraft Engineering and Aerospace Technology, Volume 63 (1): 1 – Jan 1, 1991

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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0002-2667
DOI
10.1108/eb037052
Publisher site
See Article on Publisher Site

Abstract

Ultrasonic Immersion Testing System WELLS Krautkramer has introduced a new range of British designed and built ultrasonic immersion testing systems for detecting minute flaws in large, safety- critical components such as aero engine turbine discs and rings. Aircraft engines incorporate a number of large discs into the periphery of The three main axes, X, Y, and Z, are which turbine blades are located. mounted on precision linear bearings High rotational speed of these com­ running on precision ground rails. They ponents under conditions of extreme are driven by vertically mounted rack temperature puts very high demands on and pinion drives to obviate particles of these critical components when an dust and debris lodging on the rack. by Wells Krautkramer's own experts engine is running. Any minute flaws in Mounted on the frame is the control who understand precisely the needs of the material must be detected in order to console which provides for simultaneous non-destructive testing systems. avoid risk of catastrophic failure in indexing of all axes through their own The company's policy is one of service. modular plug-in drive control units. continuous production to ensure that Ultrasonic testing of these components The main host computer also controls short deliveries are maintained. Pros­ is carried out by immersion techniques turntable speed and probe manipulation pective customers may therefore see axes A and B. due to the need for 100 per-cent "their own" tank under construction, coverage of each disc. Turntable speeds of rotation is varied but may yet have an input regarding The new system is engineered and continuously as the probe is traversed their precise requirements in the system. manufactured to the highest standard in from the periphery of the work towards Modular computer design and a full Wells Krautkramer's Birmingham works, the centre, ensuring optimum tracking spares inventory ensure that servicing and is the culmination of many years of speed is maintained for consistent equipment in the field is both speedy experience producing non-destructive ultrasonic data collection. and efficient. testing systems for industry. Two options of turntable are offered: One is a drop-in unit powered from Wells Krautkramer, Castle Vale above by belt drives, the other is a drive- Industrial Estate, Maybrook Road, The system through unit powered from beneath the Minworth, Sutton Coldfield, West The system consists of a large stainless tank. Midlands. B76 8AY. Tel: 021 351 steel tank measuring 1.2 x 1.3 x 1 metre Computer control software is written internally, and contains water filtered, heated and maintained at 30 degrees centigrade to minimise air bubbles. The tank is supported by a heavy duty High Temperature Pattern & Modelling Block welded steel box section frame. ACG TB 650 Tooling Block is ideal for autoclave moulding. Inside the tank is a motorised turntable vacuum forming moulds but has been Advanced Composite Materials Ltd workstage onto which the component under test is clamped. developed primarily as a model and stocks blocks in various sizes currently A bridge, or gantry, traverses the pattern material for the production of up to 1000mm x 1000mm x 125mm prepreg composite tools. length of the tank, and a carriage on this with a full range of ancillary products, adhesives plus filler and sealer. bridge travels at right angles to it across Its excellent machineability, di­ the tank. Mounted on the carriage is a mensional stability, low coefficient of vertical probe mast, and at the lower thermal expansion and chemical com­ Advanced Composite Materials Ltd., end of it the ultrasonic probe is mounted patibility with tooling prepregs offer Composites House, Adams Close, on a tilt and swivel head. Thus the probe real benefits in the manufacture of Heanor Gate Industrial Estate, can be positioned and presented to the composite mould tools direct from the Heanor, Derbys. DE7 7SW. Tel: work at any attitude. Tooling Block by vacuum bag or 0773 769077. 14 AIRCRAFT ENGINEERING — January 1991

Journal

Aircraft Engineering and Aerospace TechnologyEmerald Publishing

Published: Jan 1, 1991

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