Heating blankets that provide a uniform cure temperature are used in aircraft maintenance, using an electric ifdt blanket to help cure and join the composite, and the efficiency and effectiveness of the material cure depends on whether the electric blanket can transfer heat evenly. Therefore, when the electric blanket is placed in an incorrect position, the electric blanket is locally overheated, and as a result, the composite is not cured.
The electric blanket produced by the system company should be kept flat during handling and storage, avoiding the vacuum bag of the electric blanket on a sharp surface, and also be very careful during use, otherwise it can use hundreds of electric blankets. It may have been abandoned after a dozen or so times.
In order to ensure that the technicians know that the function of the test heating blanket is normal, HEATON has produced a tester called HCS2047 heating blanket.
The tester easily distinguishes the damage in the electric blanket by a simple 〃 pass/fail function. It ensures that the heat blanket has the same thermal uniformity detected after installation and at the time of inspection.
The technician opens the tester and selects the functions provided according to the on-screen menu, such as selecting the voltage and power of the heating blanket, and connecting the blanket to the tester to start the test. The tester calculates the measured value and compares it with the value entered by the technician. If the difference between the two values ​​exceeds 10%, the 〃 Fault signal will be displayed and a reading will be provided.
If the difference between the two values ​​makes the tester unable to calculate its variables, the tester will issue a warning, which means that the heating blanket heating distribution is not uniform.
Boeing requires the user to test the heating blanket according to Boeing's D6-56273 specification before each use and confirm that the maximum heating range is 3.5%. HEATON provides a "boeing certification" mode for the tester of the thermal blanket, so the user can press Manual test.
This thermal tester can be used not only on these heating blankets made by HEATON, but also on any other heating blanket.
(Xinyu) Membrane Adhesives The 3M Engineering Adhesives Division of the United States has introduced a series of film bonding technologies designed for aircraft to replace traditional topcoats. This new solvent-free film is designed to be easy to apply and suitable for a variety of internal and external surfaces of aircraft. In addition, like traditional paints, these tapes provide protection and protection against contamination on aircraft surfaces, for example, from helium fuel, hydrocarbons, petroleum, various solvents, moisture and corrosion. 3M manufactures colored tape to prevent degradation and fading caused by UV light. Customers can choose from standard colors or special colors.
(Xinyu) US 3M Company Engineering Bonding Technology Used to Replace Traditional Infrared Enhanced Imaging System CMC Electronic Devices of Quebec, Canada, tested its infrared enhanced imaging system in the summer and early fall of 2001 and is entering the end of the development phase. CMC Electronics' systems are available for military, transportation, and general aviation aircraft equipped with helmet displays. The company's compact infrared sensor is used to detect temperature gradients in front of the terrain and is currently being used for millimeter wave radar (MMWR) imaging. The EVS infrared sensor and imaging processing system are installed in the radome of the aircraft, and the radome needs to be modified to have a small infrared transparent window. CMC plans to begin the forensic work of the FAA and the Canadian Department of Transportation (infrared and MMWR) in the fourth quarter of 2002.
(Chen) Reverse Engineering Products BCT Germany is a company specializing in high-quality data scanning. It introduces a reverse engineering system. It is a 3-axis and 5-axis digital control device that can be connected to any measuring machine by touch probe or The laser sensor scans. The company also sells well-equipped digital machines for a wide range of sizes and equipment. BCT offers a wide range of dedicated controls and data for CAD and CAM. (Stone) Engine/APU Cut-Off Switch Jamco has developed a new type of engine flame break switch that includes the company's two rotary switch configurations: a seven-bar double-throw small rotary option for linear drives The switch; the other is a double or triple double throw rotary power switch for rotary drive, and includes a safety device that is electromagnetically controlled with a manual button. The switch box is made of aluminum and has a light-emitting device in the joystick. A switch and LEDs that wrap the case in aluminum are buried in the * joysticks. This new switch is very similar to Jamco's ten-pole line switch. (王)46 Aviation Engineering and Maintenance 2002/1
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