| A Study on Influence of Resin Temperature on Filling Balance of Multi-cavity Molds |
| 關(guān)鍵詞： |
Injection mold Multi-cavity Filling balance Vis |
| 類(lèi) 別： |
橡膠 >> 橡膠原料 |
| 來(lái) 源： |
2009高分子先進(jìn)制造業(yè)論壇（青島） |
| 資料類(lèi)型： |
pdf文件 |
| 資料大?。?/td>
| 216K |
| 簡(jiǎn) 介： |
Filling imbalance for PP, long GF-PP, elastomer PC and GF-PC in a multi-cavity mold
with a geometrically balanced runner is investigated by using the visualization glass-inserted injection mold and infrared thermometers, through visualizing the flow behavior of the melt in the runner and cavity and measuring the melt temperature near the cavity entrance simultaneously. In addition, velocity distribution in the secondary runner for PP and elastomer is also determined by
use of marker tracers in order to further investigate the mechanism of filling balance. The results show that the degree of filling imbalance depends on the velocity difference of the upper and lower melt and its development in the secondary runner during the filling process. The melt viscosity difference in the primary runner dominate the melt velocity difference in the secondary runner., and the viscosity difference depends on the temperature difference and viscosity sensitivity to temperature and shear rate. The development of the velocity difference of the upper and lower melt
in the secondary runner depends on the melt viscoelastic property and the runner wall condition. |
| 上傳人： |
chem2000 |
| 上傳時(shí)間： |
2009-11-05 14:02:45 |
| 下載次數(shù)： |
5 |
| 消耗積分： |
2 |
| 我要收藏： |
 |
| |
友情提示：下載后對(duì)該資源進(jìn)行評(píng)論，即可獎(jiǎng)勵(lì)2分。 |
|
本欄目部分資源來(lái)自互聯(lián)網(wǎng)，僅為促進(jìn)數(shù)據(jù)共享和信息交流，如有版權(quán)問(wèn)題請(qǐng)告知本網(wǎng)或上傳者本人，本網(wǎng)會(huì)及時(shí)給予答復(fù)。 |
| 報(bào)告錯(cuò)誤
1.下載無(wú)效
2. 資料明顯無(wú)價(jià)值
3. 資料重復(fù)存在
|
