| On the basis of summarizing iron castings filling and feeding theory, combining with the filling and feeding production practice in the First Tractor Co. Ltd KW SEIYATSU molding line, using iron casting proportwrial-solidificatiori filling and feeding technology, documents of iron castings integration design for filling and feeding of the First Tractor Co. Ltd KW SEIYATSU molding line was establishedAuthor recommended coefficient table of flow under various production conditions, calculation formulae of filling time, section dimension tables of filling system, types of riser system, proportion-method design table of riser system of the First Tractor Co. Ltd KW SEIYATSU molding line. Through studying mathematics model of filling design of filling system of the First Tractor Ox Ltd KW SEIYATSU molding line, classifying and analyzing filling systems, author established docinnent of fillirg design of rilling systern of the First Tractor Co. Ltd KW SEIYATSU molding line mat could be appUed to production practice.Classifying and analyzing technical parameters of feeding system ,types of feeding system types of riser and etc ,dimension tables of riser had been got.calculation formulae of shrinkage time and feeding reduced by iron casting rproportionall-solidification technology was validated on the First TractorIIICo. Ltd KW SEIYATSU molding line. Studying mathematics model of feeding of filling system of the First Tractor Co. Ltd KW SEIYATSU molding line, analyzing effect of flow-effect on feeding of filling system and recommending flow-effect coefficient, author brought forward design documents of feeding design of filling system being regard as riser. Finally, author deduced filling and feeding integration design documents of the First Tractor Co. Ltd KW SEIYATSU molding line.Author took production test of this documents of and outcome informed that these documents could be applied to production practice.
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