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MDF Forming Concept 05 | 2011

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Page 1: DSE Forming Station

MDF Forming Concept

05 | 2011

Page 2: DSE Forming Station

page 2

05 | 2011

What is the MDF Forming Station?

For the production of MDF (Medium Density Fiber), HDF (High Density Fiber),

THDF (Thin HDF) and insulation boards, the Dieffenbacher fiber board forming

station stands for the forming of an accurate and homogeneous mat

for highest quality standards.

Due to a special discharge and dissolving system combined with the

adapted spreading head type and the following controlled scalping and

weighting systems, the endless mat is formed with a high weight accuracy

cross- and lengthwise over a large range of all thicknesses.

Page 3: DSE Forming Station

page 3

05 | 2011

Your benefits

Integrated fiber lump dissolving in the bin discharge

Optimized utilization of material due to reduced scalping and

direct return of material to the bin

Universal forming concept from ultra thin (1 mm) to thick boards (40 mm)

High process stability due tot large capacity forming bin

High surface quality mat suitable for all kinds of mechanical processing, laminating

or direct and digital printing

Low energy consumption concept (no vacuum system and high efficiency drives)

Controlled weight distribution cross- and lengthwise for high forming accuracy

Highest weight accuracy due to integrated mat profiler for thin board production

Page 4: DSE Forming Station

page 4

05 | 2011

New MDF forming concept

Gluelump dissolving feature included in bin outfeed

Reduced scalping for thin boards

Universal forming concept for 1,0 to 40 mm board thickness

Standardized forming bin design with large capacity

Line speed up to 2000 mm/s

Page 5: DSE Forming Station

page 5

05 | 2011

New MDF forming concept

Page 6: DSE Forming Station

page 6

05 | 2011

MDF Forming Station in 3D

Page 7: DSE Forming Station

page 7

05 | 2011

Type: THDF line with x-chute

Page 8: DSE Forming Station

page 8

05 | 2011

Type: High capacity lines with collecting belt

Page 9: DSE Forming Station

page 9

05 | 2011

Elements of MDF forming station

Forming bin Integrated dissolving rollers

Discharge head with

Equalizing roller unit

with profile former

Mat scale

Spreading head

From Distribution gate

Mat scale

High speed outfeed rollers for fiber dissolving effect

Guided fiber flow by multi chamber principle

Less air speed with controlled air flow

Page 10: DSE Forming Station

page 10

05 | 2011

Forming bin and discharge head

Guided fiber flow by multi chamber principle

Less air speed with controlled air flow

Air

control

flaps

Discharge head with

dissolving rollers

Multi chamber principle

Page 11: DSE Forming Station

page 11

05 | 2011

Forming bin and discharge head

Highspeed outfeed rollers

dissolve fiberballs

Small gap

Page 12: DSE Forming Station

page 12

05 | 2011

Forming head

Position thick board Position thin board

Height adjustable forming head for various board production

Optimized fiber flow and roller arrangement

Separate adjustable roller speed

New roller design

Prepared for integration

Page 13: DSE Forming Station

page 13

05 | 2011

View into forming head with new forming roller

Detail of forming rollers

Page 14: DSE Forming Station

page 14

05 | 2011

Option: Minimum scalping with profile former

especially for thin board and HDF production

Scalping unit for optimal weight tolerances

Page 15: DSE Forming Station

page 15

05 | 2011

Scalping unit for optimal weight tolerances

Scalping unit

Page 16: DSE Forming Station

page 16

05 | 2011

Scalping unit for optimal weight tolerances

Mat scale

Profile former

Page 17: DSE Forming Station

page 17

05 | 2011

Fibermat before equalizing

Fibermat after equalizing

Page 18: DSE Forming Station

page 18

05 | 2011

Summing up: Your benefits

Integrated fiber lump dissolving

Optimized utilization of material due to reduced scalping

Universal forming concept from ultra thin (1 mm) to thick boards (40 mm)

High process stability

High surface quality

Low energy consumption concept

High forming accuracy

Highest weight accuracy