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硅烷改性聚氨酯密封膠密封工藝對(duì)漏水缺陷頂防與控制的探討

  • 發(fā)布時(shí)間 : 2024-12-31 11:04:16
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(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.

硅烷改性聚氨酯密封膠密封工藝對(duì)漏水缺陷頂防與控制的探討

(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 : 2024-12-31 11:04:16
  • Views:
Information

        硅烷改性聚氨酯密封膠膠筒坐封，正加壓驗(yàn)封壓力48.3 MPa<7 000 psi)壓力不降，封隔器硅烷改性聚氨酯密封膠膠筒滿足使用要求。

       1)硅烷改性聚氨酯密封膠膠筒長(zhǎng)度、厚度和扶正環(huán)長(zhǎng)度的尺寸變化對(duì)接觸應(yīng)力影響不明顯，但會(huì)顯著影響膠筒變形。

       2)隨著扶正環(huán)厚度的增加硅烷改性聚氨酯密封膠膠筒的接觸應(yīng)力增加，而硅烷改性聚氨酯密封膠膠筒的穩(wěn)定性降低，硅烷改性聚氨酯密封膠膠筒變形變得不均勻。

       3)研制的膠筒在試驗(yàn)井進(jìn)行密封試驗(yàn)驗(yàn)證，膠筒密封性能滿足要求。   

       硅烷改性聚氨酯密封膠密封工藝對(duì)整車制造來說是很關(guān)鍵的工藝，不僅僅影響腐蝕性和氣密性，還會(huì)產(chǎn)生漏水缺陷。本研究從多方面闡述了硅烷改性聚氨酯密封膠密封工藝對(duì)漏水缺陷的預(yù)防與控制，如漏水密封工藝設(shè)計(jì)及優(yōu)化、噴涂穩(wěn)定性、工藝手冊(cè)制定及人員標(biāo)準(zhǔn)化操作管理等，有利于整車涂裝質(zhì)量的提升。

       硅烷改性聚氨酯密封膠密封工藝一直是整車密封工藝的關(guān)鍵工藝，其不僅僅涉及氣密及防腐性，還涉及漏水密封。整車涉及硅烷改性聚氨酯密封膠漏水密封工藝的點(diǎn)有很多，如尾燈飯金搭接處、側(cè)圍與頂蓋搭接處、飯金底板搭接處、前機(jī)艙水盒子等，密封不嚴(yán)導(dǎo)致的漏水缺陷一直是各主機(jī)廠質(zhì)量口抱怨的問題點(diǎn)，它不僅僅帶來主機(jī)廠內(nèi)部的質(zhì)量抱怨及返修，同時(shí)也會(huì)帶來汽車售后的抱怨。這些點(diǎn)還具有隱匿性，不好檢查和被發(fā)現(xiàn)。硅烷改性聚氨酯密封膠密封工藝是一項(xiàng)復(fù)雜的工藝，與多方面因素有關(guān)。本研究將結(jié)合某主機(jī)廠多年來硅烷改性聚氨酯密封膠密封工藝方面針對(duì)漏水缺陷改善的經(jīng)驗(yàn)，從多方面重點(diǎn)介紹PVC密封工藝對(duì)漏水缺陷的控制和優(yōu)化，給業(yè)內(nèi)人士提供參考。http://194tt.com/

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