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发表于 2008-2-29 01:29:50
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来自: 加拿大
from the Fig. I guess...) i; _+ C+ F J" J" L; j
4 s w) U7 ^( y& I5 ]2 rvariable displacement and fixed displacement pumps& D/ `- I) S! E8 f- o
j$ \$ S ^3 R, Q2 O3 J, _you can change the swash of one pump to vary the displacement and then change the flow
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actually the first Fig tells you the relationship of Load pressure and flow .
: ^$ V& q0 V$ ibased on it . you can determine the horsepower loss and suitable operating pressure.
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I guess all above.. not 100% sure |
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