The ANITA BONDING CONSOLE OTHE04
Contents
1. of the repair technician to run to the field and to work on the aircraft 2 HAZARDOUS SAFETY FEATURES The Anita OTHE04 complies with the safety conditions required by the european standard CENELEC EN 50016 This safety design deals with all relevant levels of the equipment and of its accessories direct ly connected 1 Initial air purge and positive pressurisation Objective protection of the cabinet against danger of explosion due to explosive air that may enter the console The protection is obtained by continuous air purge and internal pressurization of the com plete enclosure compartments The whole system is permanently air sweeped with a slight positive pressure to ensure that no explosive air invades the internal volume where a pos sible arc incident may be caused by electrical circuits Specification Updated February 2007 1 The ANITA BONDING CONSOLE OTHE04 GMI Aero 2 Control of On Off Power A timer safety allows powering of the console only after a certain duration of air purge enough to guarantee that no more dangerous air is present in the cabinet The volume of the console is renewed 5 times before authorization is given to operate In case of power break during a cycle a procedure of cycle resume is elaborated 3 Protection of fire and explosion due to arcs on electrical heating resistance All connections either to the console between cables and with heating blankets are made through connectors with a specific d2. 1 42 82 98 38 Electronic mail gmi aero wanad oo fr Web hitp www gmi aero com
3. The ANITA BONDING CONSOLE OTHE04 GMI Aero The ANITA BONDING CONSOLE OTHE04 Engineered for Hazardous Environment Applications to Fueled AIRCRAFT Advanced patch repair with dual heat circuit control amp more advanced features 1 PRESENTATION To comply with safety procedures imposed to use bonding electrical equipment in an area classified as hazardous the ANITA Console Family offers a version fully compliant under the P N GMIOTHE04 This version is the adaptation to the standard hazardous environment of the famous version standard for workshop use GMIOT9701 The complete cabinet is pressurised permanently and the electrical power is controlled according to certain logic to prevent any cause for developing electrical arcs The very unique design leaves the equipment as simple as it is in its standard workshop ver sion Its programming and run principles remain unchanged In a compact size the ANITA OTHE04 offers all the features to control with an advanced soft ware a bonding patch of small or very large size It allies small pack to a simplicity of use that made it a standard among manufacturers or repair stations 12 Thermocouple scan capacity Test of heating blanket detection of connection and of blanket break Two zone control for a balanced heat distribution Intuitive programming Safety system to comply for use in explosive area By its size and its extreme simplicity of use the ANITAOTHE is the companion
4. and duration The software controls all other parameters A push button operation After the cycle is selected or programmed the run starts after just a switch down operation All tests are handled by the software and automatic decisions are taken so that the cycle is conducted in continuity without halt or hold for defects that the operator cannot interpret Specification Updated February 2007 3 The ANITA BONDING CONSOLE OTHE04 GMI Aero Figure 4 Left the Anita OTHE closed showing external connectors of high quality When opened right the Anita appears straightforward to be used no complicated key board a software has been designed so that the ANITA answers automatically to switch selections 4 MAIN ADVANTAGES ILLUSTRATED 4 1 Patch Repair with Appropriate Temperature Control To day it is no more possible to deal with patch temperature control as twenty years ago A true bonding console must have this minimum feature to deal with modern advanced carbon structures It is possible to connect one heating blanket to cover the patch and cure its resin However the ANITA OT has an extra asset to deal with the usual difficulty met when dealing with an aircraft part the various thicknesses of structures that induce different behaviours in terms of heat transfer It is possible to connect One blanket with Two Heating circuit independent for compensa tion of difference of heat behaviour in two areas of the structure Each circui
5. cuum panel gauge for vacuum venturi pump test y Vacuum electronic gauge on return hose from bag to qualify the actual vacuum in bag itself This value is monitored permanently displayed printed recorded Printer with large standard paper gt Programming by an innovative dialogue in two immediate steps Ramp Plateau and Duration values are just keyed The use is straightforward gt Programs can be saved in memory Two libraries possible One max capacity 19 programs is delivered with all usual resin programs already installed A second one can be constituted by the user he max capacity for the user being 19 programs Panel display of Temperature and Vacuum Instantaneous Values clear and large digits visible from far permanent scanning of all measures of temperature and vacuum Visual and audible alarms gt Panel mimics visible from far lamp for identification of heat on off alarms for temperature and vacuum end of cycle y Internal clock and calendar for repair identification Easy accessible external fuses The ANITA BONDING CONSOLE OTHE04 GMI Aero Test of presence of blanket measurement of power of blanket Innovative PC Software ANITALK delivered for Feature configuration Library Cycles programming Real Time Supervision Training Quality control data Files Graphic analysis Circuit calibration 6 DELIVERY 6 1 General The ANITA Console comes with all its accessor
6. differently two adjacent areas one be ing a uniform laminate the other with stringer constituting a heat sink 4 3 2 Two Blanket Control In other cases of repair laying two separate blankets side by side allow to get similar results as a unique 4 3 3 Two patch repairs Thanks to the dual channel installation with independent temperature control it is also possi ble to bond Two Patches simultaneously with the same profile 4 3 4 Large area control The control of temperature in large area is also greatly facilitated with the ANITA dual control feature Say the repair patch has a diameter of 600 mm a two circuit blankets is used One circuit for the internal area control 40 cm diameter a second circuit for the periphery This will allow the control of the centre of the area at the rated temperature while the second peripheral cir cuit will be also maintained at the same temperature Other cases find easily a solution thanks to this feature For example when heating a long vertical surface The two circuit blanket will avoid to overheat the upper area 4 3 5 The two skin bonding in a single operation When a sandwich is perforated on both skins it is thus possible to combine the dual channels to implement the bonding of the two skins simultaneously with a differentiated control The dual channel is also a great feature when curing a radome repair where it is a command to be able to differentiate top and side areas under a sing
7. esign This design allows to disconnect under power without arcing The plugs have a pilot contact When disconnection is performed the power to the element is turned off before complete disconnection avoiding the development of an electric arc 4 Leak current detection A ground safety circuit is included inside the console In case of a defective blanket the power to the blankets is cut preventing a fire may accidentally develop see also grounding of blankets in next paragraph 5 Heating blanket safety design Heating blankets must comply with the regulation They are manufactured specifically with ground screen embedded In case of the silicone blanket envelope is damaged any result ing current leak to the ground will be detected by a safety circuit inside the console and the power to the blanket will be turned off 6 Emergency switch off The console is also equipped with an emergency switch that cuts instantaneously all pow er to blankets Seeping air Inlet Anti arcing connectors Figure 1 Connections are in front of console note the small size of electrical anti arcing connectors Figure 2 Emergency switch in red The ANITA BONDING CONSOLE OTHE04 GMI Aero Figure 3 Anti arcing connector as mounted on heating blankets and cables see also the tab of blanket that indicates a ground lead green moulded inside the blanket 3 BONDING PROCESS CONTROL MAIN FEATURES The Anita OTHE built for an explosive en
8. ies necessary to implement a bonding opera tion under vacuum a complete set of cables hoses in a nice storage and transportation con sole Console Dim 18 x 14 x 7 in 460 x 350 x 166 mm Weight 22 Lb 10 Kg Colour yellow 6 2 Content List gt A Power cable 1 unit 1of length 5 m 6 ft Blanket cable 2 units of length 3 m 10ft Vacuum Silicone Hoses 2 units one for vacuum one for return sensing of length 3 m 10 ft Vacuum sniffers gt Thermocouple cables 12 of 3 m long 6 ft A first set of printer consumable gt APC communication cable RS232 mode gt APC software ANITALK for PC programming supervision on line quality control storage of data A User and Service Manual Figure 6 The accessory case very convenient to group all necessary items Specification Updated February 2007 7 The ANITA BONDING CONSOLE OTHE04 GMI Aero 7 REFERENCES TO ORDER P N GMIOTHE04 1 Dialogue in English units in C and Bars P N GMIOTHE04 2 Dialogue in French units in C and Bar P N GMIOTHE04 3 Dialogue in English units in F and In Hg 8 CONSUMABLES A box of 20 printer paper rolls P N GMINGIO10 01 A box of 10 printer ink cartridges P N GMINGIO10 02 Innovation in Technology for Aircraft Maintenance M Advanced Composite amp Metallic Structures r Equipment Airline Support through Engineering amp Training 9 RUE BUFFAULT 75009 PARIS FRANCE Tel 33 1 42 82 11 44 Fax 33
9. le tip blanket Specification Updated February 2007 5 The ANITA BONDING CONSOLE OTHE04 GMI Aero 5 THE GENERAL SPECIFICATIONS 5 1 Mechanics Voltage Power and Heating Capacity Dimensions 308 x 206 x 206 mm gt Weight 09 Kg Colour of console yellow Volts 220 or 120 VAC automatic switching of course blankets must be designed accordingly Power Capability 30 Amps x 220 Volts 6000 Watts or 30 x 120 Volts 3600 Watts Two Circuit Control One Heating Zone a SECOND one for temperature balance 5 2 Anti Hazardous safety features Leak current test circuit Permanent venting of the console needs supply by the user of clean compressed air supply between 3 and 6 bars 45 and 90 psi Test of positive pressure inside the enclosure Timer for power on only after initial purge of air of the enclosure All connectors as anti arcing connectors and automatic power off of circuits under power Heating blankets with ground screen for leak detection Protection cover for no access to external fuses All blanket cables come with special circular anti arcing connectors mounted for a high quality coupling Our blankets come also with same quality mating connectors 5 3 General temperature vacuum display gt Thermocouple scanning capacity type J 12 plugs Vacuum Venturi pump installed with high performances 0 87 bar 27 in Hg High Flow for efficient leak compensation gt Va
10. t is energized in dependently A patch being small 30 cm diameter or large 60 80 cm diameter the ANITA can face the job because the ANITA offers a switching capacity of 30 Amperes 4 2 Temperature Control 4 2 1 Innovative temperature control for automatic profiling The temperature of the part heated by the heating blanket is under control of a software that manages the set range of thermocouples As the raise of temperature is the result of a conduction process by a heating mat the tem peratures on various points of the structure may be different because of variable losses of heat according to the area and measurement locations To face this control dilemma a spe cial treatment of all the measures is made automatically by the software and the orders to the heating blanket are derived The ANITA BONDING CONSOLE OTHE04 GMI Aero Amalgation of all data is thus used to improve the conduct of heat transfer on the whole sur face so that an optimum temperature profile is found no temperature above the tolerated limit and avoid of cold areas 4 3 Dual Heat Control 4 3 1 Dual Circuit Blankets When a bonding is made on a structure having obviously a variation of thickness the use of the second heating channel becomes a necessity GMI offers supply of two different circuit mats so that the heat control can be differentiated on the two areas FONE _OnNeE I Figure 5 Here a blanket with two circuits to control
11. vironment operation is the smallest compact bonder on the market It is the only equipment of this category to offer for one patch bonding the capability of dual heating channels to maintain a balance of temperature on the whole area The ANITA is conceived for push button operations for an automatic cycle where all aspects of curing process are handled by an advanced software that benefited from twenty years of experience of GMI in the field of composite repair The OT has been conceived to offer all the necessary functions to perform a bonding repair on an advanced carbon structure A large temperature scanning capacity The ANITA OT offers the capacity of temperature scanning through up to 12 thermocouples This feature is appropriate for a large repair with complex structures where it is necessary to detect differences of temperature A dual heating channel control The dual heat control allows as explained below to balance the heat control according to the thermal reactions of the structure areas covered by the patch A patch may cover a thin and a thick structure areas A two zone blanket will thus be controlled so that energy is sent to each area appropriately according to the structure thermal reaction gt An extreme simplicity of programming Since its introduction on the market the principle of programming design has been the favourite feature of shop technicians The programming needs only to key 2 values plateau temperature
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