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processes
Tecnologie Avanzate s.r.l. uses a variety of fabrication technologies for the production of composite parts.
The manufacturing technologies vary according to the shape, size and properties required of the finished part. Depending on the characteristics that you want to obtain from a composite element, the need or not to reproduce the same or a mass production.
The production processes most often adopted by T.A. are:
- thermosetting according to forming and curing in autoclave;
- Moulding process in press starting from pre-consolidated (Thermoplastic)
filament winding; - Among the technologies for the production of composites, the thermosetting one according to forming and curing in autolave is certainly the most requested by the customers of our company.
This production process is characterized by a deposition of the pre-pregs on a suitable mould which gives it the desired shape following a polymerization process.
For all forming technologies it is possible to divide the production cycle essentially into XX :
- Pre-preg cutting
- Lamination (Lay-Up)
- Forming (HDF)
- Polymerization (Cure in autoclave)
- Non-destructive testing with ultrasonic inspection (NDI)
- Numerical Control (CNC)
- Machining
- Finishing and Insertion
- Assembly
- Dimensional inspection
processes
Hot Drape Formig
The Hot Drape Forming (HDF) process provides a reliable way to give complex shapes to carbon fiber pre-preg laminates quickly and reliably while meeting aerospace specification requirements.
The HDF equipment applies uniform, controlled heat to the entire part, and through the use of a membrane and vacuum application, the carbon fiber is quickly formed on the equipment without producing distortion in the fiber.
This process, compared to manual layering, decreases time and improves product quality.
Tecnologie Avanzate has designed and built the two plants used to date and is able to customize the plants to meet specific needs of its customers.
Polymerization
In order to allow the resins present in the pre-impregnates used, to form the polymer chain, it is necessary to subject the parts produced in the clean room to the so-called autoclave curing process (called polymerization).
Our company is equipped with 6 autoclaves of various sizes (up to 14.5 meters long and 3.3 meters in diameter) able to polymerize at low (130 ° C) and high temperature up to a maximum of 450 ° C with maximum applicable pressure of 10 bar and maximum vacuum during this process is -0.9 bar, it is also possible to carry out this process in “inert environment” or in nitrogen.
The instrumentation on board of each autoclave allows a continuous monitoring of all parameters during the polymerization phase and the related recording and archiving both on paper and software, in accordance with the regulations in force and/or the specific requests of our customers.
Non-Destructive Testing
Tecnologie Avanzate has several automatic systems to perform non-destructive testing through ultrasonic techniques of any composite component of various geometries, produced both internally and by customers.
Through the use of these plants and highly specialized and certified personnel, it is possible to perform the following checks according to aeronautical standards:
Pulse-echo gluing/porosity control of composite and bonded composite materials
Bonding/porosity control of composite and bonded composite materials using the Transmission technique.
Thanks to the equipment provided, it is possible to inspect parts with maximum dimensions of 9,000×2,400×400.
Moreover, T.A. is also equipped with manual and portable systems to be able to carry out inspections even while off-site.
PRODUCTION DEPARTMENTS
Clean Rooms
Due to the sensitive nature of the materials treated inside and the peculiarity of the operations to be performed, special areas have been created in which the possibility of contamination and damage to the materials used, is reduced to a minimum; in these areas called Clean Room, are continuously kept under control the requirements of
Temperature
Humidity
Internal pressure
Dust content per dm3
Contaminants
The level of cleanliness is ensured daily and all the parts introduced and the supporting structures are made in such a way as to minimize the release of polluting particles.
The people who work in these areas have special training aimed not only at normal production activities but also at the behavioural standards and clothing to be used.
In these areas are carried out bonding processes and all the stratifications of raw composite materials in fabric of various matrixes (glass fiber, carbon, Kevlar) pre-impregnated with epoxy resin aimed at the production of composite parts until the realization of the final bag.
Ply Cut a CN
The 2 axis CN ply cutter machine are used by Tecnologie Avanzate, are produced by Lectra. These machines are used to carry out the cutting of the pre-preg in a continuous and automatic way in order to reduce the time of the operation and to minimize the material waste.
CNC Trim Drill
Tecnologie Avanzate has decades of experience, production capacity and a highly specialized staff in mechanical processing using 5-axis milling systems with numerical control.
The profiling of honeycomb and components in other composite materials are our main strength.
The company boasts a varied fleet of machines that can count on 7 plants of various sizes and characteristics that allow us to process components up to a size of 15 X 2.6 X 0.9 meters.
Thanks to the close collaboration with the main manufacturers of numerical control machines, our plants are always up-to-date with the latest technologies that guarantee high reliability and performance.
Assembly
Tecnologie Avanzate is specialized in the assembly of aeronautical structures, even complex ones composed of metal components, in composites and plants.
The staff employed is highly specialized and trained, and over the years has gained significant experience in the assembly of aeronautical structures such as tail beams, fuselages and upper-decks for helicopters, complex antenna systems and others.
Surface finishes
The protective treatments of areas and components, to be considered as basic finishes applicable to the aircraft, are necessary to ensure the degree of finish required by the customer. Among the various protective treatments performed, sealing is carried out to avoid unwanted “passage” of air, liquid and/or solid from one environment to another and as a barrier between similar and/or dissimilar metals to avoid corrosion phenomena.
Tecnologie Avanzate can also offer the service of priming / painting on all the components produced, if the customer and / or the applicable specifications require it.
Tecnologie Avanzate S.r.l.
Stabilimento principale e sede legale:
Via Casino Novelli, 14
03029 Veroli (FR) – ITALIA
Telefono (3 linee R.A.):
+39 0775 280006
+39 0775 281038
+39 0775 281268
printerFax: (+39) 0775 283533
E-mail: info@tecnavan.it
Unità Locale:
Via Aringo, 4
03030 Castelliri (FR)
Magazzino Ricezione Merci e Trattamenti superficiali:
Via Pescara, snc
03030 Castelliri (FR)
P.IVA: IT02532070600
Codice fiscale: 02532070600
Iscrizione REA Frosinone N159226
Cap. Soc. € 570.000,00
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