Inspecting Samples for Statistical Process Control

Quality assurance for the button should ideally be as comprehensive as possible and should be performed immediately after its manufacture in the plastic injection mold. Otherwise, defects are only identified after the button has been installed, leading to high subsequent costs because the entire safety-relevant module must be exchanged. In a worst-case scenario, this defect can impair safety, e.g. because the seat belt can no longer be used.

These features predominantly determine the quality of the button:

• The dimensional stability of the shape, i.e. the correspondence to the defined nominal values in the CAD model.
• Stability which could be potentially limited by cavities, if applicable.
  
  

With a ZEISS METROTOM computertomograph, all dimensions to be captured within the scope of process control can be inspected with just a single scan. It is even possible to insert multiple components into the CT system at once and inspect them. Depending on the component size, a complete shot is also possible. Moreover, additional dimensions can be inspected at any time using the voxel data generated to perform supplementary analyses. If necessary, a color-coded display of the nominal/actual comparison provides an overview of the dimensional accuracy of the entire component. The particular strength of the ZEISS METROTOM: the measuring results are traceable and dependably meet the current metrology standards.

The ZEISS METROTOM 1 is the perfect way to get started with CT technology, which is often perceived as complex.