Medical | Thermoforming of Dental Products

Homogeneous Surface Temperatures

An important application of infrared temperature sensors within the medical technology is the implementation of infrared thermometers in thermoforming devices which are used for the production of dental products.

An example would be a customer of Optris who is producing thermoforming units for dental laboratories. These units are producing individual adjusted mouth pieces, which are used as protection during sportive activities.

Ahead of the forming of the mouthpiece (plastic foil), infrared radiators are heating up the piece to a defined temperature and the piece is homogenized thermally. A high homogeneity over the surface and a proper adjustment of the reforming temperature will lead to high quality reforming results.

Mouthpiece insert as a finished part example after the thermoforming process
Doctor Presenting a Mouth Guard

High Functionality in Hot Surroundings

The temperature needs to be monitored to achieve a steady product quality of the material and to avoid local burning and crack formations.

In existing machines, the temperature has been measured through contacting temperature measurement at the radiator. Recently, the company started using the advantages of non-contact temperature measurement. The pyrometer optris CS LT, installed underneath the infrared heater, captures the temperature of the foil during the heating process. The heating stops at a set temperature and the thermoforming process starts.

Besides exact temperature measurements, the optris CS LT offers the advantage that it can be used in surroundings up to 80 °C without additional cooling.

Process temperature: 110 °C to 230 °C

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