WEBVTT 00:00:00.452 --> 00:00:02.416 The same edge damage occupies more 00:00:02.431 --> 00:00:03.390 of a narrow strip. 00:00:04.230 --> 00:00:06.207 Shearing deforms a band beside each 00:00:06.222 --> 00:00:06.673 cut. 00:00:07.524 --> 00:00:08.366 In that band, 00:00:08.527 --> 00:00:10.608 disturbed magnetic domains can reduce 00:00:10.623 --> 00:00:12.819 permeability and raise local loss. 00:00:13.670 --> 00:00:15.322 Keep the damaged band the same 00:00:15.337 --> 00:00:17.324 width, then make the strip narrower. 00:00:18.189 --> 00:00:19.160 Its share grows, 00:00:19.282 --> 00:00:20.700 and flux can crowd toward the 00:00:20.715 --> 00:00:21.230 centre. 00:00:22.095 --> 00:00:23.968 The article gives no damage width 00:00:23.983 --> 00:00:25.111 or loss percentage. 00:00:25.975 --> 00:00:27.259 Blade condition matters: 00:00:27.394 --> 00:00:28.733 a dull edge can widen the 00:00:28.748 --> 00:00:29.772 affected band. 00:00:30.623 --> 00:00:32.418 Match clearance to sheet thickness and 00:00:32.433 --> 00:00:34.085 regrind from measured burr and edge 00:00:34.100 --> 00:00:34.746 quality. 00:00:35.610 --> 00:00:37.158 Use stress relief only when the 00:00:37.173 --> 00:00:38.561 grade and process permit it; 00:00:38.748 --> 00:00:40.918 stress scribed refinement can be erased. 00:00:41.782 --> 00:00:43.760 Assess building factor for the actual 00:00:43.775 --> 00:00:46.113 strip widths, not one catalogue value.