铝合金压铸常见问题及分析中英文对照版

《铝合金压铸常见问题及分析中英文对照版》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、常见压铸模具生产问题及分析Thecommonproductionproblemandanalysisofdiecastingmoulds压铸过程中金属液往外溅产生原因moltenmetalsplashcausereasonwhendiecasting1.定模间合模不严密，间隙较大coverhalfclosingimprecision,havebiggap2.锁模力不够mouldclamingforcenotenough3.压铸机动，定模安装板不平行diecastingmachineisflexible,coverhalfm

2、ountingplatenotparallel4.支板跨度大，压射力致使套板变形，产生喷料。Supportspanislargepressshootpressurebringaboutthecleadingdeformation,andengenderspoutingmoldenmetal.调整方法methodofadjustment1.重新安装模具reinstallthemould2.加大锁模力increasethemouldclampingforce3.调整压铸机，使动，定模安装板相互保持平行adjustthedie-

3、castingmachine,ensurethemouldingplateofcoverhalfandmovingdiemaintainnutualparallel4.在动模上增加支板，增加套板的刚度。Addsupportplateonthemovablemold,increasethestiffinessofthecleading影响压射头使用寿命的因素，主要因素有：thefactorsinfluencingtheworkinglifeofthepressurenozzlejet,mainfactors:1.压射头本身的

4、材料、质量；thematerialandqualityofthenozzlejet2.压射头与压射料筒之间的配合间隙；thefitclearenceofthepresschargingbarrelandjetnozzle3.模具安装时与压射料筒的同心度；theconcentricityofthemouldandchargingbarrel4.冷却问题；coolingproblem5.选用优质压射头润滑油等。Selectandusethesuperiornozzlejetlube缺陷名：产品表面起皱（一）症状：产品表面形成的

5、不规则褶皱，主要出现在壁较薄的前段部分，如所示。Defectname:surfacewrinklingoftheproduct(1)symptom:theirregualarfoldsemergingontheproductsurface,mainlyappearingthethinnerwall,asshow:可以看到射出的细小铝颗粒和褶皱。Canseethesmallaluminiumgranule原因：由于吸入了脱模剂和压缩空气，被封闭在前段的气压较高，把产品表面顶起而导致这一现象的发生Reason:owingtoi

6、ndrawingthereleaseagentorcompressedair,airpreasurebeingsealedupintheforepartishighthenjackupthesurfaceoftheproductandresultinthisphenomenon解决方案：排气彻底，清除多余的脱模剂。调整高速高压区的位置以防止溶液降温solution:exhaustthoroughgoing,eliminatetheextramoldlubricant,adjustthepositionofthehighsp

7、eed,highpreasuretopreventthemeltonmetalcoolingdown缺陷名defectname：起皱（二）wrinkle(2)症状：镶件附近的圆柱状部分，表面的皮膜出现起皱现象起皱的表面部分，根据发生状态有差异。Symptom:thecylinderpartaroundtheinsert,thesurfacemembranademalisappearingcrumplingup,itisdifferentaccordingtotheoccuringcondition在靠近镶件的拐角处，出现与

8、镶件平行的褶皱。在离拐角稍远处，表面皮膜起皱部分有细小的铝颗粒聚集，呈粉末状附着在表面起皱的断面可以观察到起皱导致的凹凸，细小的铝颗粒被压碎后嵌入褶皱里。Nearthecorneroftheinsert,appearingtheparellelwrinklewiththeinsert.alittlefa