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Belt for a set of belt drums in a two-drum winder, and a two drum winder

A dual-drum reeling machine and dual-drum reeling technology, which is applied in the direction of winding strips, thin material handling, transportation and packaging, etc., can solve the problems of uneven thickness, etc., and achieve low thickness change rate, small thickness, and stretch small change effect

Active Publication Date: 2010-09-29
METSO PAPER INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Severe wear can lead to uneven thickness of the tape, which can further create problems during the winding process

Method used

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  • Belt for a set of belt drums in a two-drum winder, and a two drum winder
  • Belt for a set of belt drums in a two-drum winder, and a two drum winder
  • Belt for a set of belt drums in a two-drum winder, and a two drum winder

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0023] like Figure 2A As shown in , when the belt 20' is bent during the winding process of the fiber web, since the bending occurs in the contact area of ​​the belt 20' and the fiber web roll 10' during the winding process, the outer layer 22' of the belt 20' The length of the belt portion a' changes so that slippage occurs between the roller 10' and the outer surface 22' of the belt 20', causing wear on the surface 23' of the outer layer 22' of the belt 20'. Due to the greater distance between the outer surface 23' of the belt 20' and the support layer 21', ie the greater thickness of the outer layer 22', the problems of slippage, wear and stretching of the surface of the belt are greater.

[0024] like Figure 2B As shown in, in the belt 20 according to the present invention, since the thickness of the outer layer 22 of the belt 20 is small, the length of the belt portion b of the outer layer 22 of the belt 20 is substantially constant and has nothing to do with the bendi...

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Abstract

The invention relates to a belt for a set of belt drums in a two-drum winder, which belt (20) comprises a support layer (21) that maintains the longitudinal tension of the belt (20), an outer layer (22) between the support layer (21) and an outer surface (23) of the belt (20) placed against a fibrous web roll (10) that is being wound on the two-drum winder, and an inner layer (25) between the support layer (21) and a surface placed against lead rolls (12, 13) of the set of belt drums (15) in the two-drum winder. The outer layer (22) of the belt (20) is thin, i.e. has a thickness of less than 3.5 mm when the belt is new and unused, and the outer layer of the belt (20) is manufactured of a wear-resistant material, such as rubber or elastomer.

Description

technical field [0001] The invention relates to a belt for a set of belt pulleys in a double drum winder. [0002] The invention also relates to a double drum reel. [0003] In a slitter-winder, the full paper web is longitudinally slit into individual webs at the cutting section, and the individual webs are wound onto user rolls at the winding section. In a winder, the partial web is wound onto a fibrous web roll around mandrels, and longitudinally successive mandrels are interlocked in place to form a mandrel chain by means of mandrel chucks positioned at both ends of the mandrel. In cut reels, double-drum reels are usually used as reels, in which the split web is wound onto a split web roll which passes over a support drum and fiber The nip formed between the web rolls is supported on two support drums. The backing drum is also available as a set of belt pulleys in which belt loops are placed around two guide rollers. The invention relates to a belt for a set of belt pu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65HB65H18/22
CPCB65H18/22B65H2301/41486
Inventor 海基·弗尔
Owner METSO PAPER INC
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