1、 18 1 辽 宁 工 学 院 学 报 Vol. 18 No. 11 9 9 8 M 3 JOURNAL OF LIAONING INSTITUTE OF TECHNOLOGY Mar. 1 9 9 8nullo M L g # g ! 9 9 张文亮 刘志信 徐远跃( “ )( $ S )( “ )K 1 就球铁实用冒口及浇注系统设计问题,在现有文献资料的基础上进行了新的组合,并对一些实用图线进行了密切相关的数学拟合处理,对球铁实用冒口及浇口设计拟定了明确的设计步骤与计算方法,从而使设计工作做到步骤化与公式化,为这一技术的进一步普及推广提供方便。文中求得的计算公式,也可为计算机辅助工艺设计提
2、供数学模型上的参考。1 o M 球墨铸铁; 实用冒口; 浇注系统 m s | TG244.4oM % S z a F # n v + ,V 7 n M 1 ? b oM L g / N $ y b . d g M 1 , oM L g + : g g 5 q % , s n 1 y , L C 1 , J r q ,i4 q b oM L g A M “ d , s ? r b1 球铁直接实用冒口的设计与计算 L g oM L g B , + : ! g M A l ,A l n 7 S H , g # H , z = L F n L C1 bN g g b H q q Ms 85j90 O
3、( ,M 8 1 z b1.1 q 1 o Ms 1, 2 T q B K l s % H n , V P s A s 0.1 MPa T , s 3 n , * B K l s % T 1 o s , 1o (: M s)b1 o s n s A l H ? 3 O M 1 ,V 7 M b Kl 1 o b g H , g K l 9 K 6 b q , 1 o , 1 o i8 z - m p, m 1 U b1.2 g 8 ! 9 9 ( 1)9 q 1 o # g 8 V D 3 , g 8 | q 1 o s 8 5%,5V = (Vq + V ) nullnullnull = 1
4、. 05Vq nullnullnullnull cm3 (1)T Vq q $ (1 o) 8 ,cm3; V g 8 ,cm3; null M 8 (cm3/ kg)b D 4 m L , E ) , 9 null Tnull = ( Tp - 1150) 10.7/350 (2)null 1997 M 4 9 l bf : 3 , 1941 M 3 , q b g V 169| , a / i, I 121001.图1 模数- 体积份额图T Tp ,; null oM , |( 6.87. 0)10- 3 kg/cm3. q ! + g ,5 s u 9 b( 2) M A l W % D
5、 4 m L E , 9 T= 2032.45e- 0. 0048Tp mm (3)( 3) g 8 j9 g D = 4V !H + 2 | g H = 1. 5D,5D = 0.95 3 V + 2 (4)1.3 g ! 9 9 g ! 9 X , A l n 7 S H Y , g b g Mn 9 V y / 9 TMn = 5.849 + 1.49lnT p( Ms - 8.927) mm(5)T Tp ,; Ms 1 o ,mm. P g ? # H , K ,i g b “ L g g K 7 g b1.4 “ d g 2 C oM q ( l 0. 4 cm) , g l ,
6、“ d V g T b = g 9 b V q K g L g b q ( v 1 cm) H , “ d g s 7 5 q bN , “ d g H , ? g / b2 控制压力冒口的设计与计算oM q T 1 v ( 0. 4j2.5 cm),i O 25z MT= 0. 6Ms+ 1. 524 MT= 0. 343Ms+ 4. 24 MT= 0. 51Ms MT= 0. 8Ms+ 1. 524 MT= 0. 335Ms+ 6. 35 MT= 0. 59Ms MT= Ms+ 1. 524 MT= 0. 327Ms+ 8. 38 MT= 0. 66Ms2.4V 9 q A l 8 / T
7、 9 5V = Vq nullnull(cm3) (6)T null A l q , V V 2 T 9 6bV 2null 9 T8 1 “ Tz null= 0. 0335/M 0. 18s null= 0. 0449/M 0. 20s null= 0. 0599/M 0. 27s2.5 g Mn# j Mn= MT , y g , Mn V | 1 MT l ,Mn = 0.67MT (7) g V | / S T B 7: , D=4M n; Z ,H a= 4Mn; , h= 3Mn, z b= 6Mn.3 直接实用冒口与控制压力冒口工艺的浇注系统的计算 = / e T “ d b
8、+ = ? y % , ? r T z b “d 1 F F F = = 483.3.1 H W p D 54 m L E / Tp = 2. 765W 0. 445 ( 2. 301 W 1105) (8)p = 206.31 10- 8. 753W- 0.403 ( 1150W 44668) (9)T W q ,kg.3.2 “ d E ( = ) D 14 m L , / E T : HF = = 0.298 + 1. 328W 0. 225( 1W 100) ( 10)F = = 0. 2186100. 773W0. 108( 100W 100000) ( 11) HF = = 0.6
9、7+ 1. 305W0. 282(1W 100) ( 12)F = = 0. 179 100. 981W0. 094( 100W 100000) ( 13) T F = = ( F = ), cm2; W E M ,kg.3.3 = = , L y , n N “ b = 9 ? V , 5 C V = % b D 14 m L , 9 K l = E T= = 41824799e- 0. 1129Tp ( 14)T = K l = ,mm; Tp ,. I D1 卡 赛著;白天申等译.球墨铸铁的浇口和冒口.清华大学出版社,19832 李魁盛.铸造工艺及原理.北京:机械工业出版社, 19893
10、 国外铸造.1980,( 6)4 沈阳铸造研究所等.球墨铸铁.北京:机械工业出版社, 198264 辽 宁 工 学 院 学 报 18 1 5 张 博等著;任善之等译.球墨铸铁 基础理论应用.北京:机械工业出版社,19856 清华大学.球墨铸铁件浇冒口系统的计算机辅助设计.交流资料, 19877 AFS Trans. 1983,173182Design and Calculation of the Applied Risering andGating of Ductile Iron CastingZhang Wenliang; Liu Zhixin; Xu YuanyueKey words: d
11、uctile iron; applied riser; gating systemABSTRACTBased on some documents available now , the design of the applied riser and pouring sys-tem of ductile iron are synthesized newly. Some relative applied graph curves are mathe-matically fitted, and a clearly definite designing steps and calculation me
12、thod are drawnup for the design of applied riser and gating of ductileiron, thereby enabling this design tobe formulated step by step, also making the technique spread much conveniently. Thecalculation formulae derived in this paper can be referenced for the CAD application in themathematical model.
13、(Received on Apr.9, 1997)( 61: ) I D1 墨西哥G J Romnulln-Moguel et al.气体喷射法精炼铜废料.铜加工,1991( 4) :1682 刘兴州.我国铜加工工业的技术进步(一).有色金属加工,1991, (1): 33 G J Romnulln-Moguel等.JOURNAL OF METALS.1988, (9): 3840Research on the Impurity Behaviour of the Red-Im-pure-CopperMeng Qingying; Chang Guowei; Wang Jianzhong; Mao
14、 CaizhuKey words: red-impure-copper; jet-metallurgy; impurity behaviour; coefficient of elonga-tion;specific resistanceABSTRACTApplying the jet-metallurgy technique, thepaper makes a discussion of theaffecting regu-lation upon this kind of coppers coefficient of elongation and the specific resistanc
15、e in re-sponse to the total amount of theforesign substance existing in thered-impure-copper. Inaddition, thepaper also gives an analysis of all the techniquefactors affecting the impurityremoval, proposes the removing speed of molten copper, definites all key points for re-moving impurities in the liquid copper. As a result, the blacken rod exceeds the standardof GB3952- 83 ICE28 concerned with the copper T2 in electriccal engineering.(Received on Aug.22, 1997)651998 M (9 61 ) 张文亮等: 球铁实用冒口及浇口的设计计算
