On the direct way to profitability Injection Molding Compounder IMC€¦ · On the direct way to...
Transcript of On the direct way to profitability Injection Molding Compounder IMC€¦ · On the direct way to...
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On the direct way to profitabilityInjection Molding Compounder IMC
Krauss-Maffei Kunststofftechnik GmbH, 2007
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Agenda
� General principle of the Injection Moulding Compounder� Working principle
� Differences and advantages
� Automotive applications� Front End carrier development
� State of the art applications
� Outlook
� Opportunities� Use of natural fiber
� Local reinforcement
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Agenda
� General principle of the Injection Moulding Compounder� Working principle
� Differences and advantages
� Automotive applications� Front End carrier development
� State of the art applications
� Outlook
� Opportunities� Use of natural fiber
� Local reinforcement
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Get the Benefit togetherIMC Injection Moulding Compounder– Principle
Injection Moulding:� Single screw
� Material processing
� Discontinuous process
Extrusion:� Twin screw
� Material compounding
� Continuous process
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Injection molding
Reaction technology
Extrusion
Your system....is out of one handOne supplier - Krauss Maffei – Simple integration
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Continuous and discontinuous – Two in OneIMC Injection Moulding Compounder– Principle
MX or CX-Clamp
Shut-off nozzle
Shot-Pot-Injection piston
Melt buffer
Twin screw extruder
Weighing , Dosing and conveyingsystems
Re-direction valve
Start up valve with container
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What makes an IMC suitable for long glass fiber appli cations?Long glass fiber – IMC with platform scale
Platform scale
Plastic matrix
Rovings
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AKsysGermany – KöngenKM 2000 – 14.000 MX IMCKrauss Maffei Injection Molding Compounder
AKsysGermany – KöngenKM 2000 – 14.000 MX IMCKrauss Maffei Injection Molding Compounder
We know, what we are talking about...Industrial References
We know, what we are talking about...Industrial References
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2.• Longer fibers• Better homogeneity• Lower mass temperature
Unbeatable combination of propertiesIMC Injection Moulding Compounder– Main Benefit
IMC2.
Improved material quality
3.Highest
flexibility
1.Lower
material cost0,30 €/kg-1,00 €/kg
IMC
3.• Fiber reinforcement • Blends• Fillers
1.• Reduces process steps• No half-finished products necessary• Specialties for low tonnages
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Less is more... Less cost, more profitMaterial cost savings – Save one stage’s added value
ATransport
DosingPredrying
PlastificationHomogenisation
DegassingGranulating
CoolingPredryingTransport
SiloWeighingPackaging
TransportSilo
TransportPredryingTransport
Plasticizing
COMPOUNDI
G
IMM
Plastification
Homogenisation
Degassing
I
M
C
BTransport
Dosing
CTransport
Dosing
DTranspor
tDosing
ATransport
DosingPredrying
BTransport
Dosing
CTransport
Dosing
DTransport
Dosing
Injection molding
∆∆∆∆ 0,30 – 1, 00€/kg
N
Injection molding
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82
115 2
48
2621
5
0
20
40
60
80
100
Material Machine Mold Labor Material Machine Mold Labor
Consumer
Cost savings… yes, but with the right starting pointMaterial cost savings – Reduction of part cost
Technical parts
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Long fibers out of the nozzle – Take your chance!Long glass fiber – Fiber length measurement
Measured by IKT Stuttgart, PP 30 % GF, Burned for 3 h at 550 °C, sieving method, weight distribution, sample out of the nozzle
Fiber length distribution out of the nozzle
36%33%
3%
8%
17%
3%
0%
5%
10%
15%
20%
25%
30%
35%
40%
1 mm < 5 mm 5 mm < 10 mm 10 mm < 30 mm 30 mm < 50 mm 50 mm < 70 mm > 70 mm
Fractions
wei
ght p
ropo
rtion
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One for all – Do you know a more flexible system?Highest flexibility – Material choice
Fibers� Longer fibers and homogenous
dispersion
Blends� Specialties - Reactive Blends, fiber
reinforcement,...
Fillers� High fill grades, substitution possibilities
Benefit:
� Material cost savings – At least 0,30€/kg
� Almost every thing is processable
∆∆∆∆ 500-1000€/to ∆∆∆∆ 300 €/to ∆∆∆∆ 300 €/to
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Constant effective screw length – No change of materia l qualityConstant screw length – Constant material quality
Standard Inline compounding
Constantlength
Length A
Length B
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Injection Moulding Compounder
Standard
0
100
200
300
400
500
600
700
800
0 2 4 6 8 10 12 14 16
Shot weight in kg
Thr
ough
put i
n k
g/h
Wider field of application and less screw wearHigh plasticizing and throughput capacity
Example: SP24500, PP GF 30 IMC: DEx= = 81 mm, DKolben= 165 mm, 300 1/min max.Standard: D= 165 mm, 60 1/min max., plasticizing time = 50 % cycle time
Maximum throughput� With small screw diameters
No injection pressure on screws� Less stress
Throughput is independent of screw speed� Low mass temperature
Benefit:
� Real enlarged working range
� Significant less wear in comparison to single screw
� Reduced cooling and cycle time
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The longer it runs, more stable gets the process!Clear-cut documentation – Continuous dosing
Discontinuous mode Continuous mode
Nominal throughput
PlasticizingTime
Thr
ough
put o
f one
dos
ing
unit
Time
Thr
ough
put o
f one
dos
ing
unit
In the part undefined defined
Start-up Production
Nominal throughput
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Material responsibility – We assist youContinuous extrusion process – Clear-cut documentatio n
Ongoing cycles
Percentage of single
components
Throughput
Masstemperature
Screw speed extruder
Control of roving quantity
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The IMC technology – Worldwide in useReferences
6 xFrance
4 xUSA
1 x Mexico
14 x Germany
Status: 1/2007
7 xCanada
1 xSpain
1x Iran
1x China
1x Russia
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Next step are trials…Lab machinery
Detroit� KM 1000-6100 MX IMC� KMG 81, 23 D, 110 kW
� Shot volume: ~ 4 liters
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Agenda
� General principle of the Injection Moulding Compounder� Working principle
� Differences and advantages
� Automotive applications� Front End carrier development
� State of the art applications
� Outlook
� Opportunities� Use of natural fiber
� Local reinforcement
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Beginning with GMT compression molding……the direct compression molding process to follow….
Beginning with GMT compression molding……the direct compression molding process to follow….
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…ending up with the direct injection moulding process ! No rework, no scrap material
…ending up with the direct injection moulding process ! No rework, no scrap material
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Source: HP PelzerApplication example
State of the artAutomotive – Underbody shields
State of the artAutomotive – Underbody shields
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State of the artAutomotive – Door module
State of the artAutomotive – Door module
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State of the artAutomotive – IP structural-duct assembly
State of the artAutomotive – IP structural-duct assembly
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State of the art…not only glass fiber!Automotive – Sound insulation
State of the art…not only glass fiber!Automotive – Sound insulation
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…and the potentials are not yet spentAutomotive – Rear door
…and the potentials are not yet spentAutomotive – Rear door
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…and the potentials are not yet spentAutomotive – Exterior parts with back injected foil
…and the potentials are not yet spentAutomotive – Exterior parts with back injected foil
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Agenda
� General principle of the Injection Moulding Compounder� Working principle
� Differences and advantages
� Automotive applications� Front End carrier development
� State of the art applications
� Outlook
� Opportunities� Use of natural fiber
� Local reinforcement
� Combination with fiber processes
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Process steps for natural fiber reinforced composites prod uctionDirect processing at IKT Stuttgart
Compounding PP/MAH-Graft copolymer
ZSK 30, 4 kg/h
Compounding PP/NF-Composites
ZSK 30, max. 5 kg/h
Compression moldingof sample plaques
20 min heating at 180 °C and 15 min cooling from 180 - 25 °C
Granulate Extrudedstrand
t > 1 d
Compression moldingof sample plaques
2 min at 80 °C cooling
Extrudedstrand
t < 15 sZSK 40, 20 kg/h
MAH graftingon PP
NF compounding
Compounding/ Compression-Process : one-step-process
Compounding/ Compression-Process: several process s teps
Compounding/Injection molding-process (IMC): one-st ep-process
ZE 40, 20 kg/h
MAH graftingon PP
NF compounding Injection mouldingof sample plaques
25 s at 20 °C coolingSource: IKT Stuttgart
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Application� Transportation box� PP 40% wood pellets, 2% coupling agent� ~ 60 sec cycle time
Innovation� Injection Moulding Compounder KM 2700 – 24.500 MC IMC� Inline-compounding of fillers� Gentle melting process and low mass temperature
Value� Material substitution by cheap fillers – Wood: 0,15 €/ kg� Exact temperature control for sensitive materials� Short cycle time due to shorter cooling times
We know, what we are talking about...Packaging
We know, what we are talking about...Packaging
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Injection Molding
Des
ign
stiff
ness
, num
ber
of p
iece
s
Rigidity, material cost, fiber length
Non-reinforced
Short fiber
Mat
Fabric Uni-directional
Long fiberInjection CompressionMolding
Compression Molding
Properties of fiber reinforced thermoplastic processes
Roving
Direct processes
Source: Prof. Schemme, Fh Rosenheim
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Full plastic hybrids: High mechanics, no rework, desi gn freedomL-LFT-IM – In combination with fabrics
Source: Neue Materialien Fürth, LKT Erlangen
Diagonal ribs for high design stiffness
High basic rigidity due to use of fabrics
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…and the potentials are not yet spentAutomotive – Structural parts
…and the potentials are not yet spentAutomotive – Structural parts
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Fiber-reinforcing processes within Krauss Maffei
BulkMolding
Compound(InjectionMolding)BMC-IM
SheetMolding
Compound(InjectionMolding)SMC-IM
Halbzeugsemi-finished
Halbzeugsemi-finished
KurzFaser KFShort Fiber SF
LangFaser LFLong Fiber LF
SpritzgießtechnikInjection Molding
technology IM
ReaktionstechnikReaction
technology R
KurzFaser KFShort Fiber SF
LangFaser LFLong Fiber LF
PresstechnikCompression Molding
technology CM
Halbzeugsemi-finished
Halbzeugsemi-finished
Direktverfahren*Direct process D
ReinforcedReactionInjectionMoldingR-RIM
StructuralReactionInjectionMoldingS-RIM
ResinTransferMolding
RTM
Long Fiber
InjectionLFI
Faserverstärkte Kunststoffe FVKFiber- Reinforced Plastics FRP
Duroplastische Matrixthermosetting matrix
Thermoplastische Matrixthermoplastic matrix
PresstechnikCompression Molding
technology CM
SpritzgießtechnikInjection Molding
technology IM
KurzFaser KFShort Fiber SF
LangFaser LFLong Fiber LF
Halbzeugsemi-finished
Halbzeugsemi-finished
Direktverfahren*Direct process D
Short FiberGranulateInjectionMoldingSFG-IM
Long FiberGranulateInjectionMoldingLFG-IM
G-LFT-IM
Direct processLong FiberInjectionMolding
D-LFT-IM(IMC)
* natural fiber usable
PourSpray
MoldingPSM