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      生產乳膠再生膠、輪胎再生膠、無味再生膠、三元乙丙再生膠、丁晴再生膠、丁基再生膠、高強力再生膠、膠粉等
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      您的位置:網站首頁> 橡膠新聞 > 再生膠知識 > 避免橡膠V帶首鍋帶坯脫層起泡的辦法

      避免橡膠V帶首鍋帶坯脫層起泡的辦法

      日期:2019-8-12 9:05:00 共有人關注 標簽:膠帶用再生膠 再生膠制品生產
      避免橡膠V帶首鍋帶坯脫層起泡的辦法

      橡膠V帶是工業上最常見的傳動帶,用在需要傳遞力和物品運輸的機械設備中;目前隨著橡膠制品生產工藝技術與設備的不斷進步,橡膠V帶性能越來越好,在大功率、高速度的驅動設備中可以長期使用;但橡膠V帶在生產過程中卻依然存在著一個“歷史性”問題:V帶第一鍋帶坯很容易出現脫層和起泡現象,小編今天就和大家分享一下解決這個問題的辦法HYL12Y8Y1J。

      橡膠V帶在生產過程中,硫化操作不當、硫化程度不一是造成第一鍋V帶脫層起泡的主要原因,膠料、配合劑與硫化參數又都會影響橡膠V帶硫化工藝,因此橡膠制品廠家不妨從這幾方面下手。

      1.選擇挺性好、流動性小的膠料

      膠料的挺性、流動性會影響橡膠V帶的硫化與定型,橡膠制品廠家應該盡可能選擇挺好、流動性小的膠料;對硫化速率快的V帶簾布膠與壓縮膠,橡膠制品廠家不妨在配方中摻用適量的再生膠,改進膠料挺性、流動性以及硫化工藝性能,為膠料硫化提供更好的基建條件。

      2.謹慎選擇橡膠軟化劑 適當減少軟化劑用量

      軟化劑在橡膠制品生產過程中可以增加膠料可塑性、降低黏度與混煉溫度,促進配合劑在膠料中均勻分散與混合,繼而提高硫化膠的拉伸強度、伸長率和耐磨性。但在實際生產中,軟化劑用量過多會導致膠料挺性變差,V帶第一鍋帶坯就不容易迅速成型、導致脫層和起泡的問題出現。因此橡膠V帶配方中應適量降低軟化劑用量,盡可能避免使用軟化性能強的軟化劑。

      在選擇橡膠V帶所用軟化劑時,橡膠制品廠家還需要注意軟化劑的揮發性,含有低溫揮發性物質的油類軟化劑是禁止使用的,要知道揮發性物質過多會導致V帶產生大量氣泡。

      3.選擇可以快速定型的硫化體系

      適當調整橡膠V帶配方中硫化體系配合劑的種類與用量,選擇定型速度較快的硫化體系。

      4.適當降低硫化溫度 選擇低溫硫化

      很多橡膠V帶生產廠家都會選擇高溫硫化來提高生產效率,但在實際生產過程中,硫化溫度過高又會影響膠料硫化程度;研究表明:低溫長時間硫化可以在一定程度上降低V帶首鍋帶坯發生脫層氣泡現象的概率。因此橡膠V帶生產過程中最好選擇低溫硫化,硫化溫度控制在130℃左右。

      橡膠V帶生產過程中經常是將天然膠與丁苯橡膠、順丁橡膠、氯丁橡膠等橡膠并用,再在配方中適量摻用再生膠,不僅可以降低生產成本,還能夠改進膠料加工工藝性能,所以小編推薦在滿足V帶指標需求的前提下使用再生膠,降低成本、降低首鍋V帶帶坯出現脫層、起泡現象的幾率。

      這么好的再生橡膠技術文章,您感覺怎樣呢?
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