Evaluation of Coatings and Materials for Rotating Slitter Knives

M Schlatter

doi:10.1520/STP15741S

SYMPOSIA PAPER Published: 01 January 1998

STP15741S

Evaluation of Coatings and Materials for Rotating Slitter Knives

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Magnetic tapes are manufactured in broad webs of large length. The single tapes are cut from this with rotating slitter knives. Because of the extremely high quality requirements to the tape edges, the endurance of the slitter knives is limited. Among other things, experiments were carried out with knives made from ceramics and cermets, with coatings of PVD-TiN, TiAlN and DLC and with ion implantation on cemented carbide knives. Most experiments were not successful, only a plasma enhanced CVD titanium nitride coating brought a technical, if not economic success.

Author Information

Schlatter, M

R & D Slitting and Assembling, EMTEC Magnetics GmbH, Willstätt, Germany

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Details

Developed by Committee: G02

Pages: 86–100

DOI: 10.1520/STP15741S

ISBN-EB: 978-0-8031-5394-3

ISBN-13: 978-0-8031-2603-9

Evaluation of Coatings and Materials for Rotating Slitter Knives

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