Improvement of cold forming and form cutting tools by PVD Tin coating

Wear resistant TiN coatings were used to protect tools both for heavy cold forming and also for form cutting. Specific wear characteristics were studied by optical and SEM analysis and compared with surface roughness measurements. The life time of the forming tools was improved by 350–450%, whilst f...

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Bibliographic Details
Published inVacuum Vol. 36; no. 1; pp. 111 - 115
Main Authors NAVINSEK, B, ZABKAR, A
Format Journal Article
LanguageEnglish
Published Oxford Elsevier Ltd 1986
Elsevier
Subjects
Applied sciences
Exact sciences and technology
Metals. Metallurgy
Nonmetallic coatings
Production techniques
Surface treatment
Titanium nitride
Cutting tool
Forming tool
Non metal coatings
Non metal coating
Physcial vapor deposition
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Summary:Wear resistant TiN coatings were used to protect tools both for heavy cold forming and also for form cutting. Specific wear characteristics were studied by optical and SEM analysis and compared with surface roughness measurements. The life time of the forming tools was improved by 350–450%, whilst for the form cutting tools the improvement was 650–910%, increasing with decreasing tool surface roughness. A lower tool roughness also resulted in a better surface finish of the workpieces. Better understanding of the wear behaviour helped us to change tool geometry to improve its efficiency.
ISSN:0042-207X
1879-2715
DOI:10.1016/0042-207X(86)90282-4