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VKPC – PM#1
Training
Calender
Introduction
1. Introduction Trainer
2. Training Schedule
Introduction of the Trainer
Teiichi Tanaka
Paper Machine Engineering Dept.
Training Schedule
Training Time
Breaks
Lunch
Question and Answer
Technical Data
1. Basic Design Data
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
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
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
Machine parameters and calendering characteristics
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
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
General
Top Roll (Drive Roll /Heat Roll)
Bottom Roll (Swimming Roll)
Expander Roll
Doctor (ABC Type)
Nip Control
Hot Water Circulation
Swimming Roll Hydraulic Flow
Hydraulic Flow
Line Filter (Micro-Filter)
Proportion Electro-Hydraulic Relieving and Reducing Valve
Flow Control and Check Valve
Pneumatic Flow (1) – Pneumatic Valve Stand
Pneumatic Flow (2) – Pneumatic Valve Stand Piping Diagram (1)
Pneumatic Flow (3) – Pneumatic Valve Stand Piping Diagram (2)
Operation Panel (1)
Operation Panel (2)
Operation Panel (3)
Touch Panel (1)
Touch Panel (2)
Touch Panel (3)
Touch Panel (4)