BS EN 60424-8:2015
$102.76
Ferrite cores. Guidelines on the limits of surface irregularities – PQ-cores
| Published By | Publication Date | Number of Pages |
| BSI | 2015 | 20 |
This part of IEC 60424 gives guidance on allowable limits of surface irregularities applicable to PQ-cores in accordance with the relevant generic specification.
This standard is considered as a sectional specification useful in the negotiation between ferrite core manufacturers and users about surface irregularities.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 4 | European foreword Endorsement notice |
| 5 | Annex ZA (normative) Normative references to international publications with their corresponding European publications |
| 6 | English CONTENTS |
| 7 | FOREWORD |
| 9 | 1 Scope 2 Normative references 3 Terms and definitions Figures Figure 1 – Examples of surface irregularities |
| 10 | 4 Limits of surface irregularities 4.1 Chips and ragged edges 4.1.1 Chips and ragged edges located on the mating surface 4.1.2 Chips located on other surfaces Figure 2 – Chips and ragged edges location |
| 11 | Tables Table 1 – Limits for allowable chipping areas |
| 12 | Table 2 – Area and length reference of irregularities for visual inspection |
| 13 | 4.2 Cracks Figure 3 – Cracks location Figure 4 – Reference dimensions for PQ-cores |
| 14 | 4.3 Pull-out 4.4 Crystallites Figure 5 – Pull-out location Table 3 – Limits for cracks |
| 15 | 4.5 Flash 4.6 Pores Figure 6 – Crystallites location Figure 7 – Flash location |
| 16 | Figure 8 – Pores location |
| 17 | Bibliography |
