Our Projects
The Sagrada Familia
The challenge of dosing Corundum (Hardness 9/10)... and the team survives.
The situation
In the innovative technique of the tensioned stone, a structure with which we are also building the towers of the Sagrada Família, a third element comes into play in addition to the stone and the duplex stainless steel, an element of lesser presence, but basic in its conception: the resin. It functions as a connecting element between the metal elements (i.e. the stressing heads) and the structural stone itself.
2 Two-component resin
The resin we use in the Sagrada Família is bi-component, which gives it greater structural performance than single-component resins. In these resins, component A functions as the main molecule of the adhesive polymer. The second component, B, functions as a catalyst, i.e. it facilitates the generation of polymer molecular chains (polymerisation).
Furthermore, in the case of epoxy resins, polymerisation is carried out by polyaddition, which means that the mixture of components A and B must be exact.
As far as the injection moulding machine was concerned, it was necessary for it to meet certain minimum characteristics, which conditioned the choice of the manufacturer. These features include the need to measure and control the injected volume of the two resin components, as well as the injection temperature of the resin, which is why we needed heated hoses. A continuousinjection system and drum volume control were also required. Finally, the machine had to be resistant to the abrasive loads of the resin additives and the supplier had to guarantee the replacement of parts for its correct operation.
The problem
- Exact mixing with variation of less than 5%: The correct polyaddition is strictly dependent on this.
- Continuous Injection System: Necessary to maintain the required flow rate with a highly viscous fluid from 20kg drums.
- Abrasion Resistant Equipment: The additive was corundum, 9 hardness (Diamond is 10).
The solution
- The installed equipment has an accurate control of dosed volumes maintaining at all times the ratio of component A and B with a variation of less than 2%.
- High Flow Dosing System with follower plate
- System specifically developed to withstand wear and tear and minimise maintenance
The result
- The ratio remained below 2%.
- The maximum flow rate achieved was 5 litres/minute, exceeding expectations.
- It was only in the 4th year that preventive maintenance was necessary.
Others
projects
For over 20 years we have been providing our clients with the expertise of Intecprocess professionals and creating amazing projects around the world. Hundreds of companies have already trusted us to transform their production chain.
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Why Intecprocess?
Our equipment and systems are configured for the needs of the application and the rheology of the single and two-component product, maintaining in all cases its chemical stability inside the application system, throughout the original shelf life indicated by the supplier.
Contact with
Intec Process
We are experts in the design and assembly of dosing systems for mastic fluids in industrial environments.
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Please contact us by the means of your choice, we will answer you as soon as possible to solve all your doubts, without any kind of commitment.
- +34 936 64 63 94
- +34 638 41 59 23
- Carrer de la Imaginació, 8, 08850 Gavà, Barcelona (España)
- Monday to Thursday: 8:30–13:30, 14:30–18:00 / Friday: 8:30–14:30
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