推薦新聞
自流平硅烷改性聚氨酯密封膠材制備
自流平MS密封膠擁有良好的自流平性能和力...
硅烷改性聚氨酯密封膠工時(shí)測(cè)算方法
MS密封膠中的有機(jī)錫限量及檢測(cè)方法
MS密封膠中的有機(jī)錫限量及檢測(cè)方法
- 發(fā)布時(shí)間 : 2026-4-15 21:54:26
- Views:
(Summary description)Customized SILICONE STRUCTURAL SEALANT from China manufacturer refers to the adhesive with high strength, can bear large load, aging resistance, fatigue resistance and corrosion resistance, and has stable performance within the expected life. It is suitable for bearing the bonding of strong structural parts. Non structural adhesive has low strength and poor durability. It can only be used for bonding, sealing and fixing of ordinary and temporary properties, and cannot be used for structural adhesive bonding. NEUTRAL SILICONE WETHERPROOF SEALANT from China manufacturer is a structural adhesive with waterproof function. Silicone glue refers to the adhesive based on silicone rubber. According to different functions, it can be divided into structural adhesive, potting adhesive, sealant, thermal conductive adhesive, flame retardant adhesive and so on.
MS密封膠中的有機(jī)錫限量及檢測(cè)方法
(Summary description)Customized SILICONE STRUCTURAL SEALANT from China manufacturer refers to the adhesive with high strength, can bear large load, aging resistance, fatigue resistance and corrosion resistance, and has stable performance within the expected life. It is suitable for bearing the bonding of strong structural parts. Non structural adhesive has low strength and poor durability. It can only be used for bonding, sealing and fixing of ordinary and temporary properties, and cannot be used for structural adhesive bonding. NEUTRAL SILICONE WETHERPROOF SEALANT from China manufacturer is a structural adhesive with waterproof function. Silicone glue refers to the adhesive based on silicone rubber. According to different functions, it can be divided into structural adhesive, potting adhesive, sealant, thermal conductive adhesive, flame retardant adhesive and so on.
- 發(fā)布時(shí)間 : 2026-4-15 21:54:26
- Views:
由于國(guó)家標(biāo)準(zhǔn)中尚未對(duì)MS密封膠中的有機(jī)錫限量及檢測(cè)方法進(jìn)行規(guī)定,因此本風(fēng)險(xiǎn)監(jiān)測(cè)參照膠乳制品中有機(jī)錫的檢測(cè)方法進(jìn)行測(cè)定,以溶劑萃取并通過(guò)衍生化方法進(jìn)行測(cè)定。然而,衍生化方法受到環(huán)境因素的影響,如溫度、衍生化時(shí)間等,結(jié)果會(huì)有偏差。建議國(guó)家盡快頒布用于MS密封膠產(chǎn)品有機(jī)錫測(cè)定的檢測(cè)標(biāo)準(zhǔn)。
有機(jī)錫的作用是作為催化劑,加速固化過(guò)程。針對(duì)此問(wèn)題,生產(chǎn)企業(yè)應(yīng)該與高校、科研院所合作,開(kāi)發(fā)稀土類(lèi)、過(guò)渡金屬類(lèi)、生物質(zhì)等催化劑,從而替代有害的有機(jī)錫催化劑。從原料上提高產(chǎn)品的安全、環(huán)保性能,增加此方面的出廠檢驗(yàn)。
針對(duì)MS密封膠產(chǎn)品,不應(yīng)只關(guān)注物理性能,須注意產(chǎn)品的環(huán)保性能、生物安全性能,綜合考慮選擇MS密封膠工序是涂裝工藝中作業(yè)人數(shù)最多、工時(shí)計(jì)算最復(fù)雜的一道工序。本文從MS密封膠的作業(yè)類(lèi)型出發(fā),探討形成MS密封膠作業(yè)工時(shí)模塊化和MS密封膠定員模型,為新車(chē)型導(dǎo)入時(shí)MS密封膠工序定員及車(chē)型規(guī)格變化時(shí)是否需要增員提供依據(jù)。
MS密封膠工序是汽車(chē)涂裝生產(chǎn)領(lǐng)域中的關(guān)鍵工序,一般涂布在發(fā)動(dòng)機(jī)艙、車(chē)底、地板等不可見(jiàn)區(qū)域的飯金夾縫以及車(chē)門(mén)、機(jī)蓋、尾蓋等外觀面,起到密封、防水、防銹及裝飾的作用。在各大主機(jī)廠中,除了少數(shù)引進(jìn)涂膠機(jī)器人進(jìn)行作業(yè)外,大多數(shù)還是采用人工作業(yè)。由于整個(gè)車(chē)身的飯金夾縫都需要用MS密封膠進(jìn)行涂布,因此,MS密封膠工序是涂裝工藝中作業(yè)最復(fù)雜,作業(yè)人員最密集,作業(yè)工時(shí)最多的一道工序。
在新車(chē)型導(dǎo)人過(guò)程中,需要核對(duì)車(chē)型作業(yè)人員,MS密封膠工序的人員定員往往是重點(diǎn),人員定員過(guò)多,崗位作業(yè)不飽和,存在等待浪費(fèi);人員定員過(guò)少,則作業(yè)負(fù)荷過(guò)多,增加品質(zhì)波動(dòng)及停線風(fēng)險(xiǎn),合適的崗位編程就顯得尤為關(guān)鍵。我科室在大量測(cè)算、反復(fù)驗(yàn)證的基礎(chǔ)上,形成MS密封膠作業(yè)工時(shí)模塊化數(shù)據(jù)庫(kù),在此基礎(chǔ)上,建立MS密封膠作業(yè)人員定員模型,以此來(lái)計(jì)算新車(chē)型導(dǎo)人時(shí)MS密封膠工序需求的作業(yè)人數(shù)以及當(dāng)型作業(yè)規(guī)格發(fā)生變化時(shí),計(jì)算相應(yīng)增加的工時(shí),衡量是否需要增加作業(yè)人員。http://m.szpapc.com/
Scan the QR code to read on your phone
+86-
13573398725
sdyuantai@163.com
