SUCTION ROLLS - OverMade
SUCTION ROLLS. Sucti on rolls are located in different positions of a paper machine: 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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1. Introduction
The fourdrinier paper machine is a horizontal table consisting of a solid breast roll near the headbox and a couch roll at the other end. The wire rotates between the breast roll and the couch roll. A forming board is placed after the breast roll to support the wire as the stock meets the wire. Drainage elements which aid in removing water are
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Paper Machine Rolls | MTR Martco : Paper Services ...
Paper Machine Rolls. MTR Martco's Roll Service Center is fully equipped and staffed to rebuild and regrind rolls and roll cores as well as make virtually any repair you might need to stay running and on schedule. MTR Martco's experienced Service Center technicians regularly make repairs including: Close-tolerance Roll Grinding
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TEN MYTHS REVEALED ABOUT PAPER MACHINE VACUUM .
couch, flatboxes, press, or uhle boxes because our vacuum factor is low compared to the TAPPI factors. A good guide for evaluating sheet solids exiting the former and press is in TAPPI TIP 0404-47, Paper Machine Performance Guidelines. This has values for each grade, with typical ranges and exceptional performance levels.
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Paper Defects and Defects in Paper - Pulp and 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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8 Paper Machine Troubleshooting - AstenJohnson
paper machine. Although it is difficult to list all possible causes for all machine types, these lists can be used to provide guidance in troubleshooting most equipment. 8 1 Forming Section Troubleshooting Guide Symptom Areas to Consider Barring • Condition of rolls (vibration) • Seals on couch roll • Vibration on all machine elements
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TISSUE PRESSES - OverMade
TISSUE PRESSES. The press section for tissue grades consists in one or two press rolls nipped against the Yankee dryer. The big diameter of the rolls and soft covers ensure high bulk and softness of the paper while the combination of driling and blind drilling, with a silent pattern geometry, allow the best dewatering avoiding shadows marking, vibrations and noise.
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Paper Machine Components
Paper Machine Components Felt and Wire Guide Control EMA felt and wire guide control units are equipped with electromotive adjusting elements with special mo-tors. The electromotive adjusting element consists of a robust cast casing with a slide driven by a trapezoi-dal spindle.
Get priceTerminology On Paper & Pulp: Types of Paper and ...
doctor blade on the upstream side. The wire then passes over a series of suction boxes, over the bottom couch 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, usually consists of two or more presses, the function
Get priceUS5232555A - Wet cellulosic web transfer method using air ...
A transfer system for transferring a moving wet cellulosic web between two moving elements of a paper machine without excessive sheet flutter or breakage, supports the web and permits higher web speeds than presently used. The transfer system comprises a suction roll that forms a nip in contact with the web on the surface of a roll or web supporting belt, a doctor blade positioned in contact ...
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Contec ECG Paper Roll 3-Channel (Pack of 10)
Product Specifications: Compatible with Contec ECG Machine 300G Model Name : ECG Roll Size : 80 mm Roll Type : Thermal Paper Pack of 10
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Sample Technical Report - masi-alignment
The granite roll of the first press was found to 0.008"‚ and perfectly perpendicular to the machine centerline. The suction roll, which nips horizontally with the fix roll, was 0.023"‚. A scissor condition of 0.015" is present in the first press.
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SM2091 | Mark Livingstone | Saxon IT
Suction Couch Roll size Ø 1000mm x; Wire Drive and Return Roll size Ø 720mm; Total 8 wire guide rolls with automatic wire control, rubber covered, Ø 420mm and Ø 335mm; Wire dimensions top wire width 4460mm x; Wire diemsnions bottom wire with 4410mm x - Suction Pick Up Roll Size - .
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Paper Machine Design and Operation--Descriptions and ...
Breast Roll 41 Deckle Rulers 41 Forming Board 41 Table Rolls 42 Foils (Foil blades) 42 Wet Suction Boxes 44 Dry Suction Boxes 44 Dandy Roll 45 Couch Roll 47 Couch Press 48 Wire Turning Roll 49 3.2 Closed Transfer 49 3.3 Forming Fabric 50 Fabric Designs 50 Seaming 51 Fabric Quality 52 3.4 Auxiliary Rolls 54 Guide and Stretch Rolls 54 Bowed Roll 56
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Papermaking OVERVIEW AND INTRODUCTION 1. Introduction and ...
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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NDTGroup Inc. - Pulp & Paper
PULP AND PAPER MILL INSPECTION SERVICES: 3rd Party Inspection, NDE Review/Auditing of Repairs and Construction projects; Paper Machine Components, Dryer Cans, Suction and Couch Rolls Recovery, Power Boiler Inspections, High Energy Piping and FAC Surveys; AUT/PA/Tofd In-lieu of Internal Inspections of Tanks and Pressure Vessels
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17863 Explain principles of pulp and paper sheet formation ...
Range components – rectifier rolls, spray, slice, pressure. 1.4 Control of the flowbox slice and the effects of the efflux ratio are explained in terms of the operation of the evener roll, hinge, adjusting screws, slice, and headbox pressure. 1.5 Paper machine components are identified and their functions are explained.
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Paper Machine Wire Part - Wire Part for Paper Mill ...
Our high quality Paper Machine Wire Part consist Stainless Steel framing, Ceramic Dewatering Top Elements, High efficient Suction Couch Roll, Breast Roll, Forming Board, Gang Hydra Foils, Single Hydra Foils, Low Vacuum box, Ultra Vacuum foil box, Wire return roll, Suction boxes, Doctor Holder, Wire Stretcher, Wire guide mechanism (Auto guide ...
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Pulp and Paper | Robuschi
Pulp drying. Vacuum is used throughout the forming section of a paper machine to remove water from the paper stock. In the forming section, varying levels of vacuum are applied across the flat boxes and couch rolls to remove the bulk of the water.
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EXPETP - AstenJohnson
of machine components, poor guide roll set up, issues with guide assembly, or the forming fabric design itself. The guide roll on a paper machine has the task of keeping the forming fabric running straight. One end of the guide roll (usually the tending side) can be moved in the running direction of the machine. When the roll pivots in one ...
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eintec, trading through excellence, paper machine ...
complete paper machines (graphic, board & packaging, specialties) complete nonwoven machines; paper & nonwoven machine upgrades; paper machine components: headbox (hydraulic & air cushion type) with cd profile control by dilution; inertial shaking unit; shoe press; sizer; soft calender; reeler; winder
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Couch Rolls. IEN# 126733 - 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 For Information...
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instructed by the new owners of Hollins Paper Mill PRiVAte ...
Suction couch roll 762mm dia.. Forward drive roll 500mm dia.. All wire rolls covered with glatex covers. Electric wire stretcher. Wire centres from breast roll to suction couch: 16 m. High and low pressure showers. PR tiVAte ReAtY SAle PAPeR MAcHine line 1 (PM1) tHune AutO WiRe guiDe VOitH JetMASteR cOMMAnDeR FlOWBOx VOitH DuO SHAke MOtiOn (2003)
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FloatLip-Former | Voith
The FloatLip former is a cylinder mold unit that facilitates uniform distribution of the suspension over the machine width, providing even profiles for board and packaging paper. The FloatLip former cylinder mold unit consists of a headbox with centrifugal distributor, a cylinder mold or suction roll, a couch roll, and the machine .
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