Combined calender roll for papermaking calender

A combined calender roll technology, which is applied to paper machines, calenders, papermaking, etc., can solve the problems of roll body porosity, difficult feeding, sand holes, etc., so as to save metal materials, improve roll surface quality, and reduce roll damage. The effect of body weight
CN1296558CInactive Publication Date: 2007-01-24็Ž‹่‰ณ +1
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Patents(China)
Current Assignee / Owner
็Ž‹่‰ณ
Publication Date
2007-01-24
Estimated Expiration
Not applicable ยท inactive patent

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Abstract

A combined burnishing roller for paper-making calender is composed of roller sleeve and roller body, which are combined together. Its advantages are high quality, light dead weight, and tight combination.
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Description

technical field

[0001] The invention relates to a calender roller for a papermaking calender, in particular to a cast iron calender roller, which is mainly used for cast iron of hard calenders, super calenders, gloss calenders and soft calenders in the papermaking industry. Calender rolls. Background technique

[0002] In the modern papermaking industry, the paper sheets produced by various paper machines need to be calendered by a calender to improve the gloss, tightness and thickness uniformity of the paper sheets, and the calender rollers play an important role in the quality of the paper sheets. key role.

[0003] In the prior art, the calender roll is produced by static casting (vertical gravity casting) of a single alloy chilled cast iron material, and the product is a single-material integral solid cast iron roll. There are two major problems in product quality that are difficult to solve: 1. There are casting defects such as pores and sand holes on the surface of t...

Claims

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