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        造紙輥

        用于造紙機各部中的一種大型厚壁膠輥。根據不同功用可分為壓榨膠輥和由壓榨膠輥帶動的各種附屬膠輥。壓榨膠輥應能承受較高壓力,且要起傳動其他附屬膠輥的作用,硬度要求高,在肖氏85°~95°。紙漿通過上下兩輥受壓榨時,上輥(鑄鐵輥芯,外包黃銅或硬質橡膠)所施的壓力強使水分擠出,而下輥(即壓榨膠輥)則起承托作用。

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