免费久久久久久精品成人欧美大片,久久国产欧美日韩精品久久,精品国产欧美日韩国产,国产免费久久精品99久久,中文字幕一区二区三区无码,A久久精品国产精品亚洲,欧美日韩人妻精品一区二区三区,久久99九九

  Thank you for visiting the official website of Dongguan Jiechen Silicone Rubber Machinery Co., Ltd.
high-tech enterprises
R&D, production and sales of silicone machine
phone

Support Hotline

Liquid silicone machine-basic production procedure

Author:yswl Date:2021-03-25 Reading:

The material supplier provides a low-viscosity, high-temperature vulcanized dual-group silicon material to be used, packed in 20 or 200KG containers A and B. Using a two-component mixing and batching system, group A and group B are transferred to the mixing pipeline at a ratio of 1:1 under the same pressure under electromagnetic control. At this time, colors and additives can also be added at a ratio between 0.3% and 4% to increase the color or change the characteristics of a certain material or product. Through the static mixer in the mixing pipeline, the reacted material mixture is conveyed to the liquid silicone rubber cylinder under pressure. In order to prevent premature vulcanization in the barrel, the temperature of the liquid silicone rubber plasticizing screw must be specially controlled to make the temperature close to 20~25°C. The material is then mixed again by the screw and then injected into the hot mold. The temperature of the hot mold is between 140°C and 220°C. Due to the low viscosity of the silicone material, the error in manufacturing these molds must be small to ensure that the two parts of the mold are extremely tight and closed. At the same time, in order to prevent problems such as production burning, unsatisfactory filling, and poor air exhaust, the mold is usually vacuumed before injection. The cold runner system is mainly used to obtain the best cycle time and minimize waste. The cold runner system can simplify the automation process and save materials. Pneumatic or demolding robots are more used to eject products that are usually extremely soft and sensitive.

Share To:
Contact Customer Service
A high-tech enterprise focusing on the research and development,production and sales of silicone machines for many years

客服

電話

0769-26628975
189-2556-0965 7*24小時(shí)服務(wù)熱線

微信

掃碼聯(lián)系客服掃碼添加微信
沂水县| 资阳市| 县级市| 漾濞| 兴业县| 辽中县| 玉林市| 额尔古纳市| 辽阳县| 聊城市| 游戏| 石城县| 商南县| 盱眙县| 邵阳市| 谢通门县| 沭阳县| 雷山县| 陇西县| 淮安市| 磐安县| 清远市| 澄江县| 黄陵县| 银川市| 连山| 邢台市| 陇南市| 定日县| 绿春县| 德钦县| 江津市| 六枝特区| 榕江县| 秭归县| 密山市| 崇明县| 平陆县| 高台县| 揭阳市| 东安县|