Threaded roll
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Paper machine rolls are used in papermaking. According to their structure, they can be divided into smooth rolls (flat rolls, with no surface pattern), grooved rolls, threaded rolls, vacuum rolls, active arc rolls (hollow curved rolls), and medium-high rolls, etc. They are used in different parts of the paper machine to squeeze water, press, and calender, etc.
These are rolls used in papermaking. A long-net paper machine generally has seventy or eighty rolls of various sizes. According to their structure, they can be divided into smooth rolls (flat rolls, with no surface pattern), grooved rolls (with grooves on the surface of the covering layer), threaded rolls (with threaded grooves on the surface of the covering layer), vacuum rolls, active arc rolls (hollow curved rolls), and medium-high rolls, etc. They are used in different parts of the paper machine to squeeze water, press, and calender, etc. Generally made of various SRs (such as PU, etc.).
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