nueva tecnología para la madera contrachapada y la ... tecnología para la madera contrachapada y...

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Nueva tecnología para la madera

contrachapada y la industria LVL

Expocorma

Concepcion, Chile

10 Noviembre 2017

Timo Reinikainen

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Wood product prices

0 100 200 300 400 500 600 700

LVL

Plywood - appearance

Plywood - construction

MDF

OSB

Sawn lumber

Particleboard

USD/m3

2

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Wood product prices

0 100 200 300 400 500 600 700

LVL

Plywood - appearance

Plywood - construction

MDF

OSB

Sawn lumber

Particleboard

USD/m3

3

Plywood and LVL

have higher value added

and better wood paying capability

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Use of tree

4

Appearance grade

plywood

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Adding value

5

Construction grade

plywoodLVL

Appearance grade

plywood

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Raute’s solutions cover the

entire production process

• Veneer peeling

• Drying and veneer grading

• Composing

• Veneer patching

• Veneer scarf-jointing

• Gluing / layup

• Pressing

• Panel handling

• Overlaying

• Automation:

• Machine automation

• Machine vision

• Measuring and grading technology

• Production and quality control data management

7

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Automation:

Machine automation

Machine vision

Measuring and grading technology

Production and quality control data management

LVL production technologyLVL = Laminated Veneer Lumber

Dry veneer processing

Green veneer

processing

Lay-up and

pre-pressing

Hot pressing

Billet handling

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SmartMill

9

Understanding your mill performance is the key to a profitable

production.

EFFICIENT

PRODUCTION

LINES

SCANNING

AND

MEASURING

TECHNOLOGYIn all processes

Mill Performance

DIGITAL

SERVICES

MillSights

MillMonitor

eLearning…

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Scanning and measuring technology

in all processes

Panel grading Panel repairing

Veneer lay-up

Veneer dryingVeneer peeling

Veneer

composing

Veneer patching

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HD scanning at XY centering

• Most accurate centering

and block positioning

optimizing, automatic

calibration

11

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Camera scanner at rotary clipper

12

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Mecano G5 Analyzers• Defect types of Radiata Pine recognized by Mecano

Visual Defect Analyzer, VDA– Hole

– Open split

– Inner split

– Fishtail edge/end

– Wane

– Bark pocket

– Resin pocket

– Dark knot

– Sound knot

– Loose knot

– Press defect

– Blue stain

– Roughness

– Waviness

– Shelling

– Overlap

– Mechanical defects

– Loose trash

• Recipes with parameters for the accepted sizes and number of defects

• Production quality reports

• Scenario analysis

13

G5 Tools

G5 Analyzers

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Defect detection with F-imaging

14

Fluoroscopy imaging

Micro cracks

Micro holes

Thin detection

Overlaps

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F-imaging examples

15

Classic color imaging Fluoroscopy imaging

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MVA

Moisture Volume Analyzer

• Benefits of accurate veneer moisture analysis and grading:– Accurate dryer control

– Less burnt sheets & less re-drying

– Regained capacity from dryer, less re-drying

– No blows in hot press

– Energy & capacity savings

– Effective production with less post-processing

– Improved yield

– Higher profit

– Savings in glue volume with lower emissions

– Better glue bond & stronger panels

– Improved bending stiffness

– Stronger veneer

16

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Moisture detection

17

• Moisture map

- Moisture map display for each sheet

- Statistics, e.g. average values

- Classification

- Individual moisture value for each

cell

• Moisture value for each area

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Stiffness (MOE)

can be included in veneer grading

Combined Data

Improve your production with

G5 grading solution

Complete Visual Analysis

Superior Moisture Control

Accurate Physical Properties

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Combined visual and moisture grading

at drying line

19

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Visual and thickness scanning

at composer

20

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VDA at automatic veneer patching

21

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VDA at automatic veneer patching

22

Automation not only

reduces manual work,

but also makes the

work better,

consistently with

higher precicion

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VDA

Panel repairing

23

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Digital services

MillSIGHTS

• Production data collection and reporting system

• Veneer, plywood and LVL mills

• Production data such as volumes, recovery rates and process downtimes

• Fast, accurate and reliable data transfer from production lines to database

• Available on cloud or on-premises

24

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Digital services

MillMONITOR

25

• Condition monitoring service

• Specially for maintenance team

• Measures the technical availability of production lines

• Assists in understanding the major reason for process downtimes and monitoring maintenance activities

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Digital services

MillMONITOR Plus

• Remote monitoring service intended to monitor real-time technical irregularities and

alarm occurrences

• Provides a comprehensive understanding of critical factors of line availability end

product quality

• Cloud based service which is monitored by Raute experts

26

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Digital services

eLearning

27

MillACADEMY

• Raute’s new on-line eLearning program

• On-line training accessible 24/7, from anywhere

with any device.

• Supports live training or can be a separate training

experience

• Easier training of shift workers

• Easy testing of employees’ skills and development

• Possible to manage users as a group, but also

make individual learning paths

• Easy to train and manage hundreds of people

• Raute provides and manages the service

• Raute provides statistics from training

• Raute provides the training materials

• Raute provides exams

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Green veneer composing

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Green Composing principle

Clipping

lines

RandomTrash Sheet cut Tape pieces on both

sides of the veneer

Defects in sheets are

detected by a scanner,

defected parts are cut out by

a defect clipper.

Good parts of veneer sheets

are jointed ”composed”

together with tapes.

The composed veneer mat

is clipped to sheets with

sheet clipper.

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Joints wet veneer using tape

Joints wet veneers,...

...using tape.

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Process importance:

Recovery and drying efficiency:

• Green randoms for plywood production instead of chipping to

pulp or fuel.

• Reduced manual labour due to automated handling of veneer

sheets (dryer infeed, dry veneer stacking) instead of randoms.

• Higher dryer efficiency with drying of full sheets only.

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Green Composing principleIn the green veneer composer the clean clipped and aligned veneers

are jointed together with tape (containing thermosetting melamine glue)

applied on both sides of the veneer with the aid of electrically heated

presses, 2x7=14 tape pieces per joint of 5’ veneer .

32

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Defect recognition at Green Composer

Mecano G5 VCO-F• Defects are detected using

combination of the color camera and thickness detectors

– Mecano G5 VCO-composing(Fluoroscope)

– Illumination underneath and above the veneer

– selected color channels are used to recognize certain defects

• Balance with quality and recovery can be adjusted

• Good defect recognition with VCO is important to avoid taping to the surface where the tape cannot bond properly

34

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RautePro

Peeling line

35

1 mm veneer for fruit boxes

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RauteLite

Spindleless peeling line

36

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RauteLite

Liquid extrusion gluing

37

• Even glue spreading

• Less glue

• Better quality

• Manual layup

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LVL

Laminated Veneer Lumber

• Continuous lay-up is the heart of all Raute LVL lines

– Raute’s LVL process combines continuous lay-up and cycle press

• Continuous lay-up with pre-pressing produces an endless LVL lay-up, out

of which custom length LVL billets are cut

• From semiautomatic RautePro solutions to fully automatic hands-free

RauteSmart lines.

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Lamination effect in LVL

39

One veneer

presents only

5-10 % of the

thickness of

the LVL panel.

Defects in one

veneer sheet

have only a

marginal effect to

the strength of

the whole LVL

panel

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Strength deviations

40

• Strength of LVL is higher

• LVL has much smaller

deviation in strengthStrength

LVL

Lumber

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