H3P

Test bench for the inves­ti­gation of stick-​​slip effects under the influence of third substances


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The H3P is specif­i­cally designed to measure the stick-​​slip effect under the influence of third substances such as oils, greases, water, paste and dust.

These third substances settle on a material surface and surround a material combi­nation. They can therefore influence the tribo­logical system and thus reduce the quality of a product and lead to malfunc­tions.

The influence of third substances on the tribo­logical properties of materials, such as the static and dynamic friction, stick-​​slip and as well as abrasion and wear, is to considered. The test bench enables the systematic measurement and analysis of these properties. In addition, the influence of corrosive and wear-​​promoting lubri­cants can be quantivied and tested for abrasion with this test technique.

This is helpful in order to plan and take appro­priate counter­mea­sures in early devel­opment stages. Ideally even before selecting the material combi­na­tions and starting serial production.

Stick-​​slip measure­ments have been carried out success­fully for many years, especially in the automotive industry, and are already part of various test speci­fi­ca­tions.

Conclusion

The H3P detects critical material combi­na­tions under the influence of third parties that later reduce the objective quality of the product in form of increased abrasion, wear and even malfunction. In addition, these material pairs also reduce the subjective quality of a product through loss of gloss or matting of surfaces.

Benefits
  • Shorter devel­opment times
  • Increased product quality
  • Avoidance of recalls
Fields of appli­cation
    • Inves­ti­gation of material pairings under the influence of third substances such as oil, grease, dust and lubri­cants.
    • The change of the dynamic friction force and the influence of lubri­cation between a material pair over time can be tested using a specially integrated abrasion mode.
    • Measurement of the influence of dust on seals against painted sheet metal or glass.

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