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The aluminium which exits the die press is known as the extrusion. This will have been shaped into the desired form, but the metal will still be hot and soft. To ensure the correct cooling rate to achieve the required mechanical properties, accurate temperature measurement of the extrusion is needed.

To monitor the cooling rate through the quench process, it is necessary to precisely measure the aluminium temperature at each end of the process, beginning with the extrusion as it exits the press.

These measurements allow optimisation of press speed and quality of extrusion by ensuring the cooling rate is correct. This makes sure the aluminium product has the required physical properties by the time it leaves the quench.

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