無(wú)溶劑復合用混膠機使用要注意什么?
時(shí)間:2021-11-09 來(lái)源:http://ruiyingjituan.com/ 發(fā)布人:昌盛機械
混配比正確。
The mixing ratio is correct.
混配比,即主劑(-NC0組分)與固化劑(-0H組分)的混合比例,通常為重量比,而不是體積比。
Mixing ratio, that is, the mixing ratio of main agent (- nc0 component) and curing agent (- 0h component), is usually the weight ratio rather than the volume ratio.
需要注意的是:在無(wú)溶劑復合工藝中,主劑和固化劑的概念與干式復合工藝有所區別,此處提到的混配比只適用于無(wú)溶劑復合工藝。
It should be noted that in the solvent-free composite process, the concepts of main agent and curing agent are different from the dry composite process. The mixing ratio mentioned here is only applicable to the solvent-free composite process.
不同的膠黏劑混配比不同通常在100︰50到100︰100之間,比如:康達811 8A/B膠的混配比為100︰75、波士830/730膠和羅門(mén)哈斯698A/C79膠的混配比為100︰50、漢高6029-2l/7723-22膠的混配比為100︰90等。
The mixing ratio of adhesives of different brands is different, usually between 100:50 and 100:100. For example, the mixing ratio of Kangda 811 8A / B adhesive is 100:75, the mixing ratio of bos830 / 730 adhesive and Rohm Haas 698a / c79 adhesive is 100:50, and the mixing ratio of Henkel 6029-2l / 7723-22 adhesive is 100:90.
在實(shí)際生產(chǎn)中,使用同一膠黏劑時(shí),客戶(hù)也可能根據復合產(chǎn)品類(lèi)型的不同對混配比作適當調整。
In actual production, when using the same brand of adhesive, customers may also adjust the mixing ratio according to different types of composite products.
雙組分應混合均勻充分。
The two components shall be mixed evenly and fully.
混合時(shí)問(wèn)與涂布和復合操作時(shí)間應相互匹配,要滿(mǎn)足膠黏劑開(kāi)口時(shí)間的要求。開(kāi)口時(shí)間,即從無(wú)溶劑雙組分膠黏劑混合后到可正常進(jìn)行涂布和復合作業(yè)的時(shí)問(wèn)。
Mixing time and coating and compounding operation time should match each other to meet the requirements of adhesive opening time. Opening time, that is, the time from the mixing of solvent-free two-component adhesive to the normal coating and compounding operation.
當前,國產(chǎn)無(wú)法劑膠黏劑的開(kāi)口時(shí)間通常為30分鐘走右,但據了解個(gè)別膠黏劑的開(kāi)口時(shí)間更長(cháng)。
At present, the opening time of domestic adhesives is usually 30 minutes, but it is understood that the opening time of individual adhesives is longer.
混膠機的功能及類(lèi)型
Functions and types of rubber mixer
自動(dòng)混膠機,簡(jiǎn)稱(chēng)混膠機,也稱(chēng)計量混腔機,其是利用計量泵將雙組分膠黏劑按照設定混膠比從儲膠桶內抽取出來(lái)、均勻混合后輸送到無(wú)溶劑復合機涂布單元上的系統。
Automatic glue mixer, referred to as glue mixer for short, also known as metering cavity mixer, is a system that uses a metering pump to extract the two-component adhesive from the glue storage barrel according to the set mixing ratio, evenly mix and transport it to the coating unit of solvent-free compounding machine.
可見(jiàn),混膠機是雙組分膠黏劑復合的關(guān)鍵配套設備,其只有與無(wú)溶劑復合設備達到高度匹配,才能實(shí)現連續、穩定的無(wú)溶劑復合工作狀態(tài)。
It can be seen that the glue mixer is the key supporting equipment for two-component adhesive compounding. Only when it is highly matched with the solvent-free compounding equipment can it realize continuous and stable solvent-free compounding working state.
混膠機的主要性能指標包括混配比范圍、混配比控制的靜態(tài)和動(dòng)態(tài)精度、膠黏劑黏度的適應范圍、儲膠桶容積、加熱系統溫度及其控制精度、單位時(shí)間內的供膠量等。
The main performance indexes of the mixer include mixing ratio range, static and dynamic accuracy of mixing ratio control, adaptive range of adhesive viscosity, volume of glue storage barrel, temperature and control accuracy of heating system, glue supply per unit time, etc.
混膠機的使用注意事項
Precautions for use of rubber mixer
在很多情況下,無(wú)溶劑復合設備用戶(hù)會(huì )使用不同生產(chǎn)廠(chǎng)家、不同用途、不同型號的膠黏劑,特別是同一混膠機在使用不同膠黏劑時(shí),應注意。
In many cases, users of solvent-free compounding equipment will use adhesives of different manufacturers, different uses and different models, especially when using different adhesives in the same mixer.
(1)任何新型號的膠黏劑在初次使用之前,都必須進(jìn)行工藝試驗。
(1) Any new type of adhesive must undergo process test before initial use.
(2)由高性能膠黏劑(如蒸煮膠)轉向低性能膠黏劑(普通膠)時(shí),可以不必清洗混膠機,但由低性能膠黏劑轉向高性能膠黏劑時(shí),務(wù)必徹底清洗混膠機。
(2) When changing from high-performance adhesive (such as cooking adhesive) to low-performance adhesive (ordinary adhesive), it is not necessary to clean the mixer, but when changing from low-performance adhesive to high-performance adhesive, be sure to clean the mixer thoroughly.
有些用戶(hù)因復合產(chǎn)品類(lèi)型不同,需要使用不同類(lèi)型的膠黏劑,如生產(chǎn)干輕型包裝時(shí)用普通膠,生產(chǎn)蒸煮包裝時(shí)使用蒸煮膠,為減少混膠機的清洗時(shí)間以及主機停機次數,許多用戶(hù)會(huì )為一臺無(wú)溶劑復合設備配備兩臺混膠機,這種方式靈活方便,可有效提高生產(chǎn)效率,但使用過(guò)程中需要注意。
Some users need to use different types of adhesives due to different types of composite products. For example, ordinary glue is used in the production of dry light packaging and cooking glue is used in the production of cooking packaging. In order to reduce the cleaning time of the glue mixer and the shutdown times of the host machine, many users will equip one solvent-free composite equipment with two glue mixers. This method is flexible and convenient, which can effectively improve the production efficiency, However, attention should be paid during use.
(1)由于使用膠黏劑不同,因此必須在混膠機上做好清晰標注以區別。
(1) Due to different adhesives, clear marks must be made on the mixer to distinguish them.
(2)當一臺混膠機長(cháng)期停用時(shí),要注意防止儲膠桶和輸膠管內的膠黏劑發(fā)生反應或出現堵塞現象,發(fā)現異常后一定要認真清洗后再使用。
(2) When a rubber mixer is out of service for a long time, pay attention to prevent the reaction or blockage of the adhesive in the rubber storage barrel and the rubber conveying pipe. If any abnormality is found, it must be carefully cleaned before use.
(3)要隨時(shí)交換混膠機位置,保證工作混膠機在指定工作位置,防止因混膠機位置不合適而導致輸膠管過(guò)分扭曲或彎曲變形,從而引起破裂。
(3) The position of the rubber mixer shall be changed at any time to ensure that the working rubber mixer is in the specified working position, so as to prevent the rubber conveying pipe from being excessively twisted or bent due to the improper position of the rubber mixer, resulting in rupture.
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