{
  "title": "Automotive CV joint hardness testing insight",
  "kind": "reference",
  "company": "Struers",
  "category": "Metrology & quality control",
  "parameters": {
    "Language": "English"
  },
  "language": "en",
  "source_url": "https://www.struers.com/en/automotive/cv-joint",
  "content_html": "<h2>CV JOINT CHALLENGE</h2><h2>Learn how automated and reproducible processes bring reliable and fast hardness test results for a surface hardened CV joint.</h2><figure><img src=\"/files/struers-file-724c43877b922585df35cef4/cv-joint-challenge-673x680-px.jpg\" alt=\"CV JOINT CHALLENGE\" width=\"495\" height=\"500\" loading=\"lazy\">\n<figcaption>CV JOINT CHALLENGE</figcaption>\n</figure>\n<h2>Solution</h2>\n<p>A reliable, fast and reproducible process of smart clamping, semi-automated grinding and polishing as well as fully automated hardness testing on especially the  spline and ball tracks was developed consisting of:</p>\n<ul>\n<li>Precision cutting with Axitom-5 and smart clamping setup to avoid pinching of cut-off wheel</li>\n<li>A semi-automated and mechanical 4-step grinding and polishing process with AbraPol-30 to prepare surface for hardness testing</li>\n<li>A fully automated CHD-measurement of 15 indentations with Duramin-40AC1</li>\n</ul>\n<p>Tell us who you are and you may download a materialographic solution report of one of our many method solutions. Please don’t hesitate to contact us if you have a specific problem that you would like us to help you with.</p>\n<p><a href=\"/files/struers-file-659f06cf81c2efef97dd3619/cv-joint-materialographic-solution-report.pdf\" rel=\"noopener noreferrer\">See the solution</a></p><h2>Automotive CV joint hardness testing insight | Struers.com</h2><p>Learn how to ensure reliable hardness test results on surface-hardened CV joints for the automotive industry. Our application specialists outline a reproducible metallographic method, from precision cutting to final hardness testing.</p>",
  "summary": "Learn how to ensure reliable hardness test results on surface-hardened CV joints for the automotive industry. Our application specialists outline a reproducible metallographic method, from precision cutting to final hardness testing.",
  "sections": [],
  "updated_at": "2026-10-17"
}