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硅膠手板在復(fù)模過程中容易出現(xiàn)哪些問題?
來源：http://scyyst.com作者：山東嘉瑞杰機(jī)械科技有限公司發(fā)布時(shí)間：2021-10-07
我們知道，很多企業(yè)在產(chǎn)品生產(chǎn)過程中都會(huì)將設(shè)計(jì)出的新產(chǎn)品進(jìn)行制模，從而達(dá)到批量生產(chǎn)的目的。但是，很多企業(yè)工作人員都會(huì)忽視對(duì)復(fù)制產(chǎn)品的打磨，導(dǎo)致制造出的模具產(chǎn)品表面輕微的痕跡，影響產(chǎn)品美觀。另外，工作人員的疏忽也會(huì)造成類似情形的出現(xiàn)，即沒有將脫模劑涂刷均勻也會(huì)導(dǎo)致復(fù)模產(chǎn)品出現(xiàn)瑕疵。
We know that many enterprises will mold the designed new products in the process of product production, so as to achieve the purpose of mass production. However, many enterprise staff will ignore the grinding of copied products, resulting in slight marks on the surface of the mold products, affecting the beauty of the products. In addition, the negligence of the staff will also lead to similar situations, that is, failure to apply the release agent evenly will also lead to defects in the replica products.
硅膠手板除了容易出現(xiàn)瑕疵影響產(chǎn)品美觀之外，濟(jì)南手板工作人員還發(fā)現(xiàn)有模具成品會(huì)出現(xiàn)不同程度的不耐酸堿、抗老化能力弱等。什么原因?qū)е逻@種現(xiàn)象呢?很多時(shí)候是因?yàn)樘砑舆^量硅油造成的。
Besides the defects that affect the appearance of the products, the Ji'nan hand board staff also found that the mold products will exhibit different degrees of acid and alkali resistance and weak aging resistance. What causes this phenomenon? It is often caused by adding too much silicone oil.
在模具制造過程中添加過量硅油會(huì)導(dǎo)致硅膠分子量受到破壞，影響硅膠性能，降低其抗酸堿能力和抗老化能力?；谶@樣的現(xiàn)實(shí)，我們建議大家在進(jìn)行硅膠復(fù)模時(shí)不要添加硅油，要加的話應(yīng)該將量控制在7%左右。
Adding excessive silicone oil in mold manufacturing process will cause the molecular weight of silica gel to be damaged, affect silica gel properties, reduce its acid and alkali resistance and anti-aging ability. Based on this reality, we suggest that you do not add silicone oil during silica gel re molding. If you want to add silicone oil, you should control the amount to about 7%.
燒模現(xiàn)象也是比較常見的一種。其中我們還發(fā)現(xiàn)，硅膠手板在進(jìn)行樹脂類產(chǎn)品復(fù)模時(shí)復(fù)模時(shí)間應(yīng)該控制在一定范圍內(nèi)，不然容易出現(xiàn)燒毀模具的現(xiàn)象。
Mold burning is also a common phenomenon. Among them, we also found that when the silicone hand board is used for resin product re molding, the re molding time should be controlled within a certain range, otherwise it is easy to burn the mold.
在進(jìn)行樹脂產(chǎn)品復(fù)模的過程中，常常需要加入一些過氧化物的固化劑來實(shí)現(xiàn)模具制造，而這類物質(zhì)與硅膠接觸一段時(shí)間之后會(huì)發(fā)生化學(xué)反應(yīng)產(chǎn)生大量熱量，因此不適宜較長(zhǎng)時(shí)間的制模過程。時(shí)間應(yīng)該控制在什么范圍內(nèi)呢?一般在3分鐘以內(nèi)為佳。
In the process of resin product re molding, it is often necessary to add some peroxide curing agent to realize mold manufacturing, and this kind of material will have a chemical reaction after contacting with silica gel for a period of time and produce a lot of heat, so it is not suitable for a long time of molding process. Within what range should time be controlled? Generally within 3 minutes is better.
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