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China Vacuum Suction Couch Roll for Paper Making Mills ...

Couch Roll The vacuum couch roll on the fourdrinier paper machine is located at the place where the web of the forming fabric is removed, which is the end point of the working stroke section of the forming fabric. At the same time, it is an active roller wrapped by the .

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Paper Machine Vacuum Suction Couch Roll - Buy paper ...

Paper Machine Vacuum Suction Couch Roll. Vacuum rolls are widely used in the wire and press sections of paper machines. They are the core equipment of paper machines.

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Roll covers with competitive advantages | Voith

With MatchPress and MatchFlow, we offer press and suction press roll covers that are specially designed for small and medium-size paper machines. The excellent dewatering capacity is a result of the customized surface designs.

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China Suction Couch Roll - China Suction Couch Roll, Paper ...

China Suction Couch Roll, Find details about China Suction Couch Roll, Paper Machine Rolls from Suction Couch Roll - Shandong Tengshuo Industrial Co., Ltd.

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Paper Machine System Diagram - TMEIC

Multi-layer paper machines and paper board machines include additional forming sections (one forming section for each layer of paper). Forming section drives have a high friction load due to the suction (normal forces) of the water through the wire mesh. This results in a high normal running load, but a low acceleration load. No Press Section ...

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Papermaking OVERVIEW AND INTRODUCTION 1. .

The Fourdrinier table of a paper machine consists of foils, table rolls, breast roll, couch roll, suction boxes, wire rolls, and other parts. The fabric on which the sheet of fibre is formed is a finely woven synthetic fabric of strands made of specially fine drawn and filaments, woven into a screen. Various types of weave are used to obtain ...

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US2714342A - Suction roll - Google Patents

Couch roll structure for paper making machines US2884059A (en) * 1954-11-17: 1959-04-28: Dominion Eng Works Ltd: Suction roll nozzle with manifold and valve means US2929450A (en) * 1957-07-18: 1960-03-22: Escher Wyss : Suction roll for drying pulp webs, more especially in the paper and cellulose industry

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Get a Free Quote for Suction Couch Roll from Zibo ...

Couch Rolls. Type: Upper/lower/cylinder couch Performance: It resists chemical corrosion and the paper is easy to come off from the couch roll on paper machine. Zhangqiu Daxing Paper-making Machinery Co., Ltd. Jinan, Shandong, China

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Suction Couch Roll Cover - HUATAO GROUP

Suction Couch Roll For Paper Machine Engineering. Brand: HUATAO Packaging: standard packing Supply Ability: TIMELY DELIVERY Min. Order: 1 Set/Sets Suction Couch Roll For Paper Machine Engineering Description of Suction Couch Roll For Paper Machine Engineering Suction Couch Roll cover is also called couch roll for pressing Vacuum Couch Roll mainly use in old fashioned low speed paper machine .

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Paper Defects and Defects in Paper

Defects which appear as a regular pattern, always when viewed by transmitted light and sometimes when viewed by direct light. Cause is usually some non-uniform water removal from the sheet of paper at the suction couch roll and takes the pattern of the drilled hole in suction couch roll. Crack 1.

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Paper Machine Components - Can-Am Machinery

Class: Paper Machine Components » Rolls » Suction » Couch Manufacturer: Manchester Materials: Bronze Part Number: 32565 Qty: 1 Description: Manchester Suction Couch Roll, 142" Bearing Centers, 125" Face, 118.5" Drilled Face, 1/2" Hole Diameter, 1" Roll Cover Thickness, 25.31" Roll .

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Papermaking OVERVIEW AND INTRODUCTION 1. .

The Fourdrinier table of a paper machine consists of foils, table rolls, breast roll, couch roll, suction boxes, wire rolls, and other parts. The fabric on which the sheet of fibre is formed is a finely woven synthetic fabric of strands made of specially fine drawn and filaments, woven into a screen. Various types of weave are used to obtain ...

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Used Paper Machine Rolls - Perry Videx LLC

188″ Face X 38″ Diameter Beloit Suction Couch Roll. Stock #785-SC-2. Used Beloit suction couch roll, 188″ drilled face, 201.5″ overall face, 230″ bearing centers, 38″ diameter, 5/8″ hole diameter, 7/8″ shell thickness, rubber cover, spare. Rebuilt by Hamilton machine, year 2010. Rebuilt so5355. Location: Northeast USA. Add to ...

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Terminology On Paper & Pulp: Types of Paper and ...

Cylinder Paper Machine One of the principal types of papermaking machines, characterized by the use of wire-covered cylinders or molds, on which a web is formed. ... roll (or suction couch roll), which drives the wire and then down and back over various guide rolls and a stretch roll to the breast roll. The second section, the press section ...

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Vacuum / Suction Press Bottom Roll/couch roll/pik-up roll ...

Nov 03, 2017· Vacuum / Suction Press Bottom Roll/couch roll/pik-up roll Spec: Φ960×4400mm, three vacuum chamber, surface is blind & though drilled,with groove .surface is...

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Terminology On Paper & Pulp: Types of Paper and ...

Cylinder Paper Machine One of the principal types of papermaking machines, characterized by the use of wire-covered cylinders or molds, on which a web is formed. ... roll (or suction couch roll), which drives the wire and then down and back over various guide rolls and a stretch roll to the breast roll. The second section, the press section ...

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Papermaking - Formation of paper sheet by machines ...

The Fourdrinier table section of a paper machine is a large framework that supports the table rolls, breast roll, couch roll, suction boxes, wire rolls, and other Fourdrinier parts. The wire mesh upon which the sheet of fibre is formed is a continuous rotating belt that forms a loop around the Fourdrinier frame.

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On suction box dewatering mechanisms

1.1 Suction box dewatering on a paper machine One or several suction boxes are located underneath the forming wire. Figure 2 shows the location of the suction boxes on a Fourdriner paper machine. In this context, it should be mentioned that the couch roll could also be considered a rotating suction box. Vacuum Air and water flow Web and forming ...

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US2369674A - Couch roll arrangement for paper machines ...

A Fourdrinier type paper making machine comprising a breast roll, a couch roll spaced from the breast roll, said couch roll including a for-aminous cylinder and a suction gland in the cylinder having spaced opposed on-coming and oil-going seals acting on the cylinder to define a suction area, another roll beyond the couch roll at a level ...

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Paper Machine Couch Roll, Couch Roll For Paper Machine ...

Paper Machine Couch Roll Types. Upper Couch Roll: The lightweight roll with large diameter, which located above the vacuum couch, operates at low pressure to smoothen the paper sheet and further enhance the dewatering effect before leaving the felt. The upper couch roller is coated the material with a very soft (160 to 250 P&J hardness) and ...

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Paper Machine Suction Rolls and Roll Covers

Paper Machine Suction Rolls and Roll Covers Online Course Description: Though their design and construction are very similar, suction rolls perform several different functions on paper machines, depending on their position.

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Troubleshooting paper machine vacuum systems: part I: low ...

Sep 01, 2001· Another vacuum-related problem could occur due to partially plugged holes in the shell of suction rolls. The plugged boles cause higher resistance to airflow and result in an unrealistically higher vacuum level. Mills where adjustments in refining are made based on couch vacuum may under- or over-refine due to couch roll problems.

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Suction couch roll : Varaoke International Oy

Suction couch roll, Beloit. – Year: 1967 – Face width: 3.556mm. – Drilled width: 3.150mm. max, 2.936mm. min. – Shell ext. diam. 762mm. – Shell int. diam ...

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On suction box dewatering mechanisms

1.1 Suction box dewatering on a paper machine One or several suction boxes are located underneath the forming wire. Figure 2 shows the location of the suction boxes on a Fourdriner paper machine. In this context, it should be mentioned that the couch roll could also be considered a rotating suction box. Vacuum Air and water flow Web and forming ...

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Suction Couch Roll, Couch Roller, काउच रोल्स in Kanuvai ...

Our company has set benchmark in offering Suction Couch Roll to the clients. The function of couch roll of a paper machine is to remove water by application of vacuum. It also serves as the final wrap where the wet web exits the forming fabric on its way to the wet-press section. The surface of the couch roll is covered with rows of small holes.

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On suction box dewatering mechanisms

1.1 Suction box dewatering on a paper machine One or several suction boxes are located underneath the forming wire. Figure 2 shows the location of the suction boxes on a Fourdriner paper machine. In this context, it should be mentioned that the couch roll could also be considered a rotating suction box. Vacuum Air and water flow Web and forming ...

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The Paper-Making Machine | ScienceDirect

The machine-frame, which was made of timber, was pivoted at the point and this part of the frame held the suction-roll, probably what would be called the bottom couch-roll, which drove the wire. There were other features, which were quite revolutionary. The shake itself was given by means of a crank at and a rod fixed at the bottom of the frame.

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Automatic Suction Couch Roll At Paper Machines at Price ...

Suction Couch Roll is helpful in increasing the speed of the machine and is highly helpful in increasing dryness of paper at high speed. Company Details :- As a leading organization of this domain, we are engaged in Manufacturing, Exporting and Importing a wide assortment of Physical Testing Equipments, Bursting Strength Tester, Pulp Testing ...

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ROLL MANUFACTURING AND REFURBISHMENT

• suction couch roll • pick-up suction roll • suction press roll • cooling roll • calander roll • Mount Hope roll • curved roll ... • Modernization and conservation of paper machines: - alignment of rolls, beam doctor - comprehensiveness service of head - box and wire frame (replacement of boards lower / top and regulation by

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Wire Part / Suction Coach - GEIN-Maskiner AB

Parts of Paper machines; Pulp Drying and Wet Lap machines; ... Our ref. no. J13-39 SUCTION COACH ROLL Face (mm) 3280 Diam. mm 635 Perf. mm 8. 0 kr. 0 kr. Add to cart. Free. 0 kr. Add to cart. J13-38. Face (mm) 3556 Manufacturer Beloit Manufacturing Year 1967. Our ref. no. J13-38 SUCTION COUCH ROLL Manufacturer BELOIT Manufacturing Year 1967 ...

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Beloit Paper Machine Suction Couch Roll | LiquiTec ...

Sep 29, 2010· Beloit Paper Machine Suction Couch Roll for auction. Beloit Paper Machine Suction Couch Roll 190" Face (Reference ID#760) S/N 5034, Asset #29-1-6, (1988); 30" Diameter

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SUCTION ROLLS - OverMade

SUCTION ROLLS. Sucti on rolls are located in different positions of a paper machine; there are Suction Forming Rolls, Couch Rolls, Pick-Up Rolls, Suction Press Rolls. OVERMADE manufactures suction rolls with shell in stainless steel or bronze, with a silent drilling pattern to minimise the noise.

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