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8.24.2.2 Test Method—If the magnet is imbedded/attached+ s+ u! [, n: A6 K B' u
as part of a magnetic component, extract the magnet from the
% E6 |* Y+ n- \' pcomponent. If the pole surface of the magnet is flat, calculate3 ?8 C0 Z" @& J: [' U5 {! [
the area using the appropriate geometric formula. If the pole is
8 U' M* m; f$ ~9 bnot flat (for example, hemispherical), the pole surface area is/ q, F0 v! y2 B4 @1 ~9 v1 O
the maximum cross section of the magnet perpendicular to an
2 n# A4 G. F- g" daxis through the magnet poles (see Fig. 37).
) i7 i. M: Q& ^ U, i* P9 x2 m' f; S& E- U+ q9 o( ]+ W
NOTE 10—On multi-pole magnets use the area of the largest single+ @% {0 q9 B! e6 X9 |9 N
pole, which can be determined using magnetic field viewing film or, f8 u. F2 Q& f. Z9 W# ]0 {9 g
6 J! x9 ^2 N( e& t好好看看上面的这个note是怎么说的!
; W# [% x' h+ D; I无论你的形状或磁极的方向是怎样的,都按标准做找到最大的磁极面积来计算就可以了。不是你想怎样做就怎样做的。5 w8 M' j( S% C5 M; t* K
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