Measuring Pressure in Catalytic Converters During Assembly

Tighter regulatory emission standards have required manufacturers to design greater surface area into the catalyst to dilute emissions further. Therefore, measuring the pressure applied in the assembly process has become more important to reduce cracks in the catalyst.

Challenge

The new, thin-walled catalysts are more fragile. Therefore, there is a greater chance for them breaking if the pressure applied in the assembly process is not even.

For instance, localized high pressure during assembly of a catalytic converter can crack or partially crush the catalyst. These are defects that lead to higher emissions, and as a consequence, lower product quality, reduce yields, and inferior product performance.

Solution

Sensor wrapped round cylindrical catalyst (from left to right) - 2D and graphical plot show higher pressures exist at the seam of the enclosure (shown in red on the right). This type of localized peak pressure could crack the catalyst.

Sensor wrapped round cylindrical catalyst (from left to right) - 2D and graphical plot show higher pressures exist at the seam of the enclosure (shown in red on the right). This type of localized peak pressure could crack the catalyst.

The I-Scan™ pressure mapping system is an innovative product development and manufacturing process tool for catalytic converter designers and manufacturers. The data provided by I-Scan helps determine the optimal assembly process for the fragile catalysts and can help improve the catalytic converter designs.

The information provided can lead to a more cost- and time– effective design, process verification, and re-engineering. The sensors offered by Tekscan are patented, thin-film sensors and are available in different pressure ranges. Another benefit is that they are reusable and accurate in the pressure readings that they provide.

With the help of the highly qualified sales and engineering support team of Tekscan, each system is configured to meet your particular needs.

Catalytic Converter Pressure Mapping Applications

  • Research and development
  • Design comparison testing
  • Identify weak seal pressures, low forces, and peak pressure location
  • Machine set-up
  • Quality control

Benefits of Pressure Mapping

  • Manufacturing process development
  • Design validation
  • Improved quality
  • Improved yields

See in greater detail how Pressure Mapping Technology helped solve this R&D challenge:

This information has been sourced, reviewed and adapted from materials provided by Tekscan, Inc.

For more information on this source, please visit Tekscan, Inc.

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