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BS EN 60424-2:2016

$102.76

Ferrite cores. Guidelines on the limits of surface irregularities – RM-cores

Published By Publication Date Number of Pages
BSI 2016 18
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This part of IEC 60424 provides guidelines on the allowable limits of surface irregularities applicable to RM-cores in accordance with the relevant generic specification.

This standard should be considered as a sectional specification useful in the negotiations between ferrite core manufacturers and customers about surface irregularities. Normative reference

PDF Catalog

PDF Pages PDF Title
5 English
CONTENTS
6 FOREWORD
8 1 Scope
2 Normative references
3 Limits of surface irregularities
3.1 Visual inspection and recommended limits
Tables
Table 1 – Relevant subclauses for given irregularity versus location
9 3.2 Chips and ragged edges
3.2.1 Chips and ragged edges on mating surfaces
3.2.2 Chips and ragged edges on other surfaces
Figures
Figure 1 – Chips and ragged edges on mating surfaces
Table 2 – Allowable chipping areas
11 Table 3 – Area and length references for visual inspection
12 3.3 Cracks
Figure 2 – Cracks location – Top view
Figure 3 – Cracks location – Bottom view
13 3.4 Flash
3.5 Pull-outs
Figure 4 – Dimension W
Table 4 – Limits for cracks
Table 5 – W dimensions
14 3.6 Crystallites
Figure 5 – Flash and pull-out location
Figure 6 – Pull-out in clamping recess area
Figure 7 – Crystallites location for RM-core
15 3.7 Pores
Figure 8 – Pores location for RM-core
16 Bibliography
BS EN 60424-2:2016
$102.76