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Josts Engineering

Delhi

Year of Establishment: 1907
IndiaMART Member Since: 2009
Products [71]
Phone: +(91)-(11)-45676000

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Products & Services

Industrial Finishing Division/Heat & Combustion (11)

Industrial Finishing Division/Paint System (4)

Industrial Finishing Division/Painting Equipments (14)

Material Handling Division/Jorack (4)

Material Handling Division/Pallet Truck (8)

Material Handling Division/Platform Truck (4)

Material Handling Division/Scissor Lift (6)

Material Handling Division/Special Application Product (6)

Material Handling Products/Stackers (7)

Other Products (7)

Events

Events

International Conference on Aerospace Science and Technology Bangalore 26th –28th June 2008
Presentations by Brüel & Kjær specialists Niels Boghalm & Noel Brown.

International Conference on Aerospace Science and Technology  from 26-28 June at National Science Seminar Complex, Indian Institute of science, Bangalore

We are pleased to inform you that we would be participating in the above Exhibition. Our stall no. is 25

We also have 2 Poster Presentations by Brüel & Kjær. Niels Boghalm on surface microphones and Noel Brown on vibration measurements in helicopters.

We cordially invite you to visit our Exhibition display stall at the above-mentioned venue. We look forward to welcoming you!

Event International Conference on Aerospace Science and Technology.

Event International Conference on Aerospace Science and Technology.    

See How Airbus UsesThis Microphone

See How Airbus UsesThis Microphone

Bruel & Kjaer's Vibration Check Systems Validated and Certified by Turbomeca




  Brüel & Kjær’s Vibration Check Systems Validated and Certified by Turbomeca

For many years, the levels of vibration on Turbomeca engines have been measured using a simple overall measurement in the frequency band 80 to 1000 Hz as stipulated in the Turbomeca Maintenance Manual. However, this method is unable to detect certain faults, and sometimes a helicopter could be grounded unnecessarily until an extensive test of the engine could be performed. FFT and order based analysis methods were introduced some years ago to improve the reliability of the diagnosis.

Since 2002, Brüel & Kjær has been working very closely with Turbomeca to developed dedicated Vibration Check systems for helicopter engines, measured on the aircraft on the ground during engine run-up. This has resulted in a range of standard systems that can be used for measurements on virtually all Turbomeca engines used on helicopters.

Turbomeca has issued Service Letters to over 4300 owners of ARRIEL, MAKILA, and ARRIUS engines stating that the Brüel & Kjær PULSE based Vibration Check Systems Types 3641-A/B, 3648-A/B and 3649-A/B have now been validated and certified to perform vibration checks in compliance with the Turbomeca Engine Maintenance Manuals.

Measurements are made on the first order of the vibration signal with reference to two tacho signals – one from the generator and one from the free turbine of the helicopter engine. Only one run-up is required for all measurements.

The simple user interface leads the technician from identification of the engine, via monitoring of the signals and comparison with threshold levels (the verification). The signal is stored in a database and a service report is produced immediately, clearly indicating the results as ‘Passed’ or ‘Limit Exceeded’. The report can be sent directly to the engine manufacturer along with the results and a copy of the time signal for further analysis. A contour plot (frequency, speed, level) is included to aid in fault diagnosis. At present, engine-specific systems are available for MAKILA, ARRIEL, ARRIUS, RTM322, TM333, and TURMO engines. Other engine-specific systems are in preparation. The systems perform filtered processing of the signal, controlled by the tachometer signals from the generator and the turbine in the frequency band 80 to 1000 Hz. They process both sensor signals simultaneously relative to the first order of the two tacho signals and show the evolution of the signals over time. The results are displayed in real-time and a report is produced in a predefined format.

Managers of helicopter Service and Maintenance Centres have realised that the PULSE system can be used for many other applications, not just Vibration Check. The whole suite of PULSE applications is at their disposal. Main gearbox and tail rotor gearbox vibration on the ground, vibrational comfort during flight and trend analysis are some of the important areas of interest for owners of helicopters.

News

News
     

 

Compact top-actuated illuminated tactile switches

C&K Components has introduced its series of compact top-actuated illuminated tactile switches. These are available in Surface and Panel Mounting.
 

 

 

K5AT
Lighted SMT Tact Switch

 
 

K5V
Panel Mount Lighted Tact Switch

 
   

KSC-ST Series
Sound tuneable Tact Switch


For further details contact :
salespune@josts.in
Or visit : www.ck-components.com

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