0405000 hardnip calender
TRANSCRIPT
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VKPC – PM#1
Training
Calender
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Introduction
1. Introduction Trainer
2. Training Schedule
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Introduction of the Trainer
Teiichi Tanaka
Paper Machine Engineering Dept.
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Training Schedule
Training Time
Breaks
Lunch
Question and Answer
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Technical Data
1. Basic Design Data
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Basic Design Data – Layout data
Design widthWire width 5.950 mmUntrimmed paper width on pope 5.300 mm
Basis weightT1 (Pulp on Top) 125 - 275 gsmT2 (100% OCC) 125 - 250 gsmCM 105 - 125 gsm
Design production At PM reel max. 744 to/24hWith efficiency 100%Moisture at reel 8%Basis weight 125 gsm (Reference liner grade)
Paper Grade Liner Board (Test Liner: T1, T2)Corrugating Medium
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Basic Design Data – Layout data
Reel spoolMax. parent reel diameter: 3.000 mm
Hand of machineStanding at the headbox facing the reel: Drive on right hand side
Operating speedProduction speed range 355 - 800 m/minDrive speed 900 m/minDesign speed 900 m/minBalancing speed 900 m/min
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Calendering technology
NipNip
Top roll (hard/heating)
Top roll (hard/heating)
Top roll (hard/swimming roll)
Top roll (hard/swimming roll)
Top roll + Nip + Bottom roll = StackTop roll + Nip + Bottom roll = Stack
F
Paper
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Machine parameters and calendering characteristics
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Factors that influence the calendering process (guide values)
Line load Temperature Speed Moisture
Value higher lower higher lower higher lower higher lower
Paper properties + - + - + - + -
Smoothness + - + - - + + -
Gloss + - + - - + + -
Specific volume
- + - + + - - +
Printability - + - + + - - +
Whiteness/Opacity
- + - + + - - +
Air permeability
- + - + + - - +
+ positive influence - negative influence
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Content
General Top Roll (Drive Roll / Heat Roll) Bottom Roll (Swimming Roll) Expander Roll Doctor Nip Control Hot Water Circulation Unit Swimming Roll Hydraulic Flow Hydraulic Flow Pneumatic Flow Operation Panel Touch Panel
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General
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Top Roll (Drive Roll /Heat Roll)
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Bottom Roll (Swimming Roll)
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Expander Roll
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Doctor (ABC Type)
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Nip Control
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Hot Water Circulation
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Swimming Roll Hydraulic Flow
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Hydraulic Flow
Line Filter (Micro-Filter)
Proportion Electro-Hydraulic Relieving and Reducing Valve
Flow Control and Check Valve
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Pneumatic Flow (1) – Pneumatic Valve Stand
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Pneumatic Flow (2) – Pneumatic Valve Stand Piping Diagram (1)
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Pneumatic Flow (3) – Pneumatic Valve Stand Piping Diagram (2)
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Operation Panel (1)
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Operation Panel (2)
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Operation Panel (3)
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Touch Panel (1)
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Touch Panel (2)
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Touch Panel (3)
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Touch Panel (4)
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