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模具注塑成型過(guò)程中有可能遇到的缺陷

來(lái)源:http://m.wtkbt.com/ 日期:2022-07-28

模具注塑成型過(guò)程中可能會(huì)遇到這樣和那樣的問(wèn)題,有可能遇到的缺陷會(huì)是什么呢?筆者告訴你,模具注塑成型過(guò)程中有可能遇到缺陷如下:
Mold injection molding process may encounter this and that problem, what are the possible defects? The author tells you that the following defects may be encountered in the process of mold injection molding:
注塑件缺陷的特征注塑過(guò)程不完全,因?yàn)槟G粵](méi)有填滿塑料或注塑過(guò)程缺少某些細(xì)節(jié)。
The injection molding process is incomplete because the mold cavity is not filled with plastic or the injection molding process lacks some details.
可能出現(xiàn)問(wèn)題的原因:
Possible causes of problems:
(1)注塑速度不足。(2)塑料缺料(3)螺桿在行程結(jié)束處沒(méi)留下螺桿墊料。(4)運(yùn)行時(shí)間變化。(5)射料缸溫度太低。(6)注塑壓力不足。(7)射嘴部分被封。(8)射嘴或射料缸外的加熱器不能運(yùn)作。(9)注塑時(shí)間太短。(10)塑料貼在料斗后壁上。(11)注塑機(jī)容量太?。醋⑸渲亓炕蛩芑芰Γ?。(12)模溫太低。 (13)沒(méi)有清理干凈模具的防銹油。(14)止退環(huán)損壞,熔料有倒流現(xiàn)象。
(1) Insufficient injection speed. (2) Plastic material shortage (3) the screw did not leave screw padding at the end of the stroke. (4) Running time changes. (5) The temperature of the injection cylinder is too low. (6) Insufficient injection pressure. (7) The nozzle is partially sealed. (8) The heater outside the nozzle or injection cylinder cannot operate. (9) Injection molding time is too short. (10) Plastic is pasted on the back wall of the hopper. (11) The capacity of the injection molding machine is too small (i.e. injection weight or plasticizing capacity). (12) Mold temperature is too low. (13) The antirust oil of the mold was not cleaned. (14) The retaining ring is damaged and the molten material has backflow.
山東模具制造廠家
山東模具制造廠家提供的解決方法:
Solutions provided by Shandong mold manufacturer:
(1)增加注塑速度。(2)檢查料斗內(nèi)的塑料量。(3)檢查是否正確設(shè)定了注射行程,需要的話進(jìn)行更改。(4)檢查止逆閥是否磨損或出現(xiàn)裂縫。(5)檢查運(yùn)作是否穩(wěn)定。(6)增加熔膠溫度。(7)增加背壓。(8)增加注塑速度。(9)檢查射嘴孔有沒(méi)有異物或未塑化塑料。(10)檢查所有的加熱器外層用安培表檢驗(yàn)?zāi)芰枯敵鍪欠裾_。(11)增加螺桿向前時(shí)間。(12)增料斗喉區(qū)的冷卻量,或降低射料缸后區(qū)溫度。(13)用較大的注塑機(jī)。(14)適當(dāng)升高模溫。(15)清理干凈模具內(nèi)的防銹劑。(16)檢查或更換止退環(huán)。
(1) Increase injection speed. (2) Check the amount of plastic in the hopper. (3) Check whether the injection stroke is set correctly, and change it if necessary. (4) Check the check valve for wear or cracks. (5) Check whether the operation is stable. (6) Increase the melt temperature. (7) Increase back pressure. (8) Increase injection speed. (9) Check whether there is foreign matter or unplasticized plastic in the nozzle hole. (10) Check all the outer layers of the heater and check whether the energy output is correct with an ammeter. (11) Increase the screw forward time. (12) Increase the cooling capacity in the throat area of the hopper, or reduce the temperature in the rear area of the injection cylinder. (13) Use a larger injection molding machine. (14) Properly raise the mold temperature. (15) Clean the rust inhibitor in the mold. (16) Check or replace the retaining ring.
對(duì)注塑制品加工企業(yè)來(lái)說(shuō),在當(dāng)前市場(chǎng)競(jìng)爭(zhēng)激烈的情況下,養(yǎng)護(hù)良好的模具,可以助企業(yè)一臂之力,所以缺陷要避免,更多事項(xiàng)就來(lái)網(wǎng)站http://m.wtkbt.com咨詢吧。
For injection molding products processing enterprises, in the current fierce market competition, well maintained molds can help enterprises, so defects should be avoided, and more matters can be found on the website http://m.wtkbt.com Consult.

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