Nortronics Head Wear Manual
Guide to Magnetic Head Wear
All magnetic heads wear out eventually due to the abrasive action of the oxide surface of magnetic tape as it passes over the face of the head.
As wear progresses. the partially-worn head frequently causes reproduction and/or recording problems.
An examination of the head wear process requires answers to the following questions:
1) How does head wear affect performances?
2) How can head wear be reduced?
3) At what point in the process should a worn head be relapped?
4) What conditions indicate that a head is fully worn out and should be replaced?
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