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影響開煉機混煉的因素有哪些? 當前位置: 網站首頁 > 新聞資訊 > 常見問題

開煉機混煉的優點是靈活性大。那么影響開煉機混煉的因素有哪些呢?

1.輥距小,剪切力大,有利于配合劑的分散。但輥距小,使堆積膠量增大,又使膠料難以進入輥距。

2.輥筒的轉速和速比

轉速過小混煉效率地,過大操作不安全。速比大,剪切力大,利于配合劑分散,但生熱快,易焦燒,而且配合劑易被壓成硬塊或鱗片。

速比過小,則不能使配合劑有效的分散。

3.輥溫

輥溫主要硬性橡膠在開煉機上的包輥性。通常,為了便于操作橡膠都是包在前輥上,但是不同的橡膠包輥性不同,天然橡膠包熱輥,而多數合成橡膠包冷輥,所以在混煉天然橡膠時,應使前輥溫度高于后輥,混煉合成橡膠時,應使前輥溫度低于后輥。

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