浇注系统

Combining with the structure and the technological requirement of the aluminum alloy support , took the support bottom suface big plane as the parting surface, selected the eccentric side pouring system, selected the slanting slide core-pulling mechainsm because of the die casting part with two undeep holes.

结合铝合金支座的结构和工艺要求，以支座底面的大平面作为分型面，选用偏心侧浇道浇注系统。考虑到铸件的侧壁有两通孔、且不深，选用斜滑块抽芯机构。

Combining with the structure and the technological requirement of the aluminum alloy support, took the support bottom suface big plane as the parting surface, selected the eccentric side pouring system , selected the slanting slide core-pulling mechainsm because of the die casting part with two undeep holes.

结合铝合金支座的结构和工艺要求，以支座底面的大平面作为分型面，选用偏心侧浇道浇注系统。

The results from the experiment are: the amount of all micro-powders that grain sizes are less 0.044 mm should be less than 35% in weight, and the value of coarse q and attenuate q should be respectively 0.23 and 0.32, and the additive amount of active a-alumina and calcium alumina cement should be respectively 7% and 4% in weight, meanwhile, the best dispersant is PMAA-NH4 in the non-microsilica system; while the value of two q should be respectively 0.21 and 0.29, the amount of active a-alumina, microsilica and calcium alumina cement should be respectively 6%, 2% and 4% in weight, the best dispersants are sodium hexamer taphosphate and Na2P3Oio in the microsilica system.

依照上述实验方法得出刚玉自流浇注料所必备的条件：刚玉自流浇注料中的细粉(-0.044mm)总量应小于35％；在无硅微粉系统中的Andreassen公式的粗端q值和细端q值分别为0.23和0.32，氧化铝微粉、水泥的最佳加入量是7％、4％，且所使用的分散剂为改性聚丙烯酸钠最好，而在含硅微粉系统中的Andreassen公式的粗端q值和细端q值分别为0.21和0.29，氧化铝微粉、硅微粉和水泥的最佳加入量为6％、2％和4％，最好合用三聚磷酸钠和六偏磷酸钠作为分散剂。

In order to keep this kind of injection system in balance,the normal way is to use the tranditional formulas to keep the runner system and the gate in balance.

为保证浇注系统的平衡，一般的方法是采用传统的公式计算流道平衡和浇口平衡。

The flow status of liquid metal in the sand box of group casting was discussed according to the fluid mechanics and heat transfer theory. Not only does the appearance of vying liquid metal happen when group casting between the big and small castings, identical castings in the multiple gates system appear too, even one casting.

运用流体力学、传热学原理，分析群铸时液态金属在各型腔内的流动情况，揭示出争铁液现象不仅在大小件混铸时发生，在多个内浇道浇注系统中群铸相同铸件，甚至仅一个铸件仍存在这一现象。

This is a compound mould of metal type. Cast iron is utilized to make the two moulds. The pour system of this mould is shaped by sand core.

本模具是金属型复合模具，其上下两模采用铸铁，而其浇注系统是用砂芯形成。

Design methods of two representative runner-the fan gate and tapperd runner system are analysed.

浇注系统分析了两种典型的横浇道—扇型浇道和切线型浇道的设计方法及过程。

The key point was the structural design of sliding blocks for shaping,the application of pin point gate and auto-demolding mechanism.

由于塑件结构复杂，设计时注意了点浇口的使用和相应三板式注射模的特点，并采用了自动脱料装置，以利于浇注系统凝料的取出。

Introduced is the experience in replacing atmosperic riser with thermal-isolation riser and improving pouring system to eliminate shrinkages.

文摘：介绍了用保温冒口代替大气压力冒口，改进浇注系统解决铸件缩孔问题的经验。

The hammer handle with foam pattern of hammer-head is placed in the sand mold when molding.

造型时锤柄预先放置在砂型中，锤端和浇注系统内浇道的成型采用消失模。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷