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发表于 2013-5-13 10:13:24
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回复 1# 拉斯特
2 {7 x. n( h1 i2 D4 c0 N6 S( Q) ?4 }9 {) S3 g
9 z6 q6 Y8 h5 D# l整个铸件的任何截面都要求最小硬度和抗拉强度,相关的铸件表面积与重量的比率列于下表:- e5 h9 ^6 Z+ Y6 k7 q. k2 k$ j
Note *:抗拉强度地位优先于布氏硬度;: R+ }! X3 ]6 g0 n3 s4 B8 S
Note ** Surface area (S): External surface area of the casting (actually a tight fitting external envelop, subtracting the surface area of all opening and/or holes) expressed in square centimeters.
+ W- l V `# K, M1 G. i表面积S: 铸件外表面(实际上是铸件的密封连接外围面积减去所有孔的面积),用平方厘米表示。# [3 C9 P |+ r; u F4 z# I# A
Weight(W): weight of the unmachined casting in kilograms as received at 卡特皮勒
/ V" I" r0 @6 ^3 G重量(W): 交付给卡特彼勒的未加工铸件的重量,用kg表示。 |
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