seminario dynacast
DESCRIPTION
Seminario Dynacast para Fundición Inyectada de Zamak, Aluminio y MagnesioTRANSCRIPT
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Initial slide here is black
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• Expertise in small-med size, precision castings
• Zinc, Aluminum and Magnesium alloys
• Conventional and Multi-slide tooling
• Design/build proprietary multi-slide casting machines with 450+ in operation today
• Closed-loop communication between production and design ensures advanced technology
Magnesium spikes for Adidas cleats
Hot-chamber, multi-slide
Zinc razor handle for Gillette Mach-3
Hot-chamber, conventional
DYNACAST: WHAT WE DO
Aluminum frame for Apple iPod
Cold-chamber, conventional
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FAST FACTS
• Operating profitably for over 70 years
• Over 2 billion die castings shipped annually
• Over 500 new programs launched annually
• 680 machines ranging from 4 to 650 tons
• $471 million in revenue
• 4,100 employees worldwide
• 20 factories in 16 countries
• ISO TS 16949 certified
Telecommunications connector
Seat belt spool
Spikes for football cleats
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VALUE-ADDED SERVICES
Cast aluminum component with
runner(Cold chamber, conventional)
Cast component after de-gate
After CNC machining
After Powder coat
After Fly cut
Packaging – foam, bag, sealed plastic bag
Red Bomb Electronic View Finder
After Chromate
Mounted on Red Epic Digital Cinema
Camera
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QUALITY
• World-Class DFM (Design For Manufacturing)
• Part consolidation
• Robust manufacturing - improve yields, throughput, die life
• Quality Systems/Continuous Improvement
• TS 16949/ISO 9001
• AQP (Advanced Quality Planning) – cross-functional quality control
• Multiple Quality Inspection Points – Statistical Process Control, adhere to critical dimensions
• Periodic measurements, recordings
• Cost of Quality: Contained
• Eliminates buffer stock, expedited freight costs
• Dock to Stock programs
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GLOBAL COVERAGE20 Manufacturing Facilities in 16 Countries
United States
Mexico
Spain
France
Germany
Slovenia
Italy
Singapore
India
China
Korea
Canada United Kingdom
Indonesia
Austria
Malaysia
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OUR CUSTOMERSThousands of Customers in Hundreds of Industries
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Materials &
Properties
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ZincAlloy Description
Zamak 2 The strongest and hardest of the Zamak group. Often specified in applications
requiring optimal wear resistance.
Zamak 3 All-purpose alloy with a unique blend of strength, hardness and ductility.
Zamak 5 Approximately 10% stronger and harder than Zamak 3, with superior impact
strength.
Zamak 7 High purity, ductile alloy with superior formability and finishing characteristics.
ZA-8 The strongest, hardest (hot chamber) zinc-based alloy for the most demanding
applications.
ZA-27 Highest aluminum content, highest strength, highest melting point, and lowest
density of the ZA alloys. High casting temperature requires the cold-chamber
process.
AcuZinc 5 High-copper specialty alloy with superior strength, hardness, wear resistance
properties and enhanced creep strength.
Beric Superior zinc-based alloy in terms of wear resistance, tensile strength, hardness,
and mechanical properties.
EZAC®/
Teck #3
High strength and creep resistant hot chamber zinc-based die casting alloy.
Exceptional tensile strength, comparable to ZA-27.
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About Zinc
27th most common element in the Earth’s crust4th most common metal in use today
Zinc is everywhere:• Rock• Soil• Air• Water• Biosphere• Plants• Animals• Human beings
Zinc is essential to life. • Human cells need it to multiply. • Your body needs it to make white blood cells.• Zinc is essential for healthy skin.
Zinc is 100% recyclable and can be recycled forever - zinc die casting alloys can be re-melted and re-used over and over without detriment to their properties.
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AluminumAlloy Description
A360.0 Offers higher corrosion resistance, superior strength at elevated temperatures and somewhat
better ductility. Can be more difficult to cast than the other Al alloys.
A380.0 One of the most commonly specified aluminum alloys. Offers the best combination of
casting, mechanical and thermal properties. Fluidity, pressure tightness and resistance to hot
cracking are all very good.
383.0 / ADC12 Often specified when very intricate components require improved die filling characteristics.
Better corrosion resistance than A380.0.
B390.0 Developed for automotive engine blocks. Resistance to wear is excellent, but ductility is low.
Used for die cast valve bodies and sleeve-less piston housings.
413.0 Offers excellent pressure tightness, making it a good choice for hydraulic cylinders and
pressure vessels. Its casting characteristics make it useful for intricate components.
K Alloy Excellent corrosion resistance and thermal conductivity offers unique engineering solutions
and can improve product durability. Improved finishing quality for high polish applications.
44300 Offers excellent castability properties, excellent fluidity and good machinability. Particularly
suitable for difficult thin-wall castings with good elongation properties.
46000 Universal alloy with very good castability for a wide range of applications.
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About Aluminum
One of the most sustainable materials in the world.
There is more aluminum in the Earth's crust than any other metal - the 3rd most abundant element in our planet's crust.
• Light• Strong• Corrosion-resistant• Non-magnetic• Non-toxic• Looks good naturally.
Infinitely recyclable – re-use is easy and economical
It takes only 5% of the energy to recycle aluminum compared to making primary aluminum from ore.
Approximately 75% of aluminum produced since 1888 has been recycled and is still in use today.
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Magnesium
Alloy Description
AZ91D The most widely specified magnesium die casting alloy. This high-purity alloy has an
excellent combination of mechanical properties, corrosion resistance, and castability.
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About Magnesium
8th most abundant element in the Earths crust
Commonly extracted from seawater, where it is the third most common component.
Essential element for all living things. • 4th most abundant mineral in the body.• Produces energy in cells• Helps contract/relax muscles• Synthesizes hormones• Metabolizes calcium
Boasts remarkable strength for its weight, about two-thirds that of aluminum.
Provides design flexibility, enhances structural capabilities and contributes to overall product weight reduction.
Can be recycled back into products displaying the same physical and mechanical characteristics as primary metal.
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Alloys in Our Environment
All alloys utilized by Dynacast worldwide are REACH and RoHS compliant:
REACH – Registration, Evaluation, Authorization and restriction of Chemical substances
Aims to improve protection of human health and the environment through better, earlier identification of intrinsic properties of chemical substances.
RoHS – Restriction of Use of Hazardous Substances
Designed to limit or eliminate substances dangerous to the environment and people: mercury, hexavalent chromium, lead, cadmium, polybrominatedbiphenyl (PBB) and polybrominated diphenly (PBDE)
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Alloy Properties –Yield Strength
0
100
200
300
400
0
10
20
30
40
50
60
Zamak
2
Zamak
3
Zamak
5
Zamak
7
ZA-8
ZP8
ZA-27
ZP27
AcuZinc
5
EZAC
Teck #3
A360.0 A380.0
LM24
46500
383.0
ADC12
LM26
B390 413
47100
AlSi12CU
LM6
K Alloy AZ91D C38500 C38000 SAE1008
MPapsi
Brass SteelZn Al Mg
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Alloy PropertiesTensile Strength
MPapsi
0
100
200
300
400
0
10
20
30
40
50
60
70
80
Zamak
2
Zamak
3
Zamak
5
Zamak
7
ZA-8
ZP8
ZA-27
ZP27
AcuZinc
5
Beric EZAC
Teck #3
A360.0 A380.0
LM24
46500
383.0
ADC12
LM26
B390 413
47100
AlSi12CU
LM6
K Alloy 44300 46000 AZ91D C38500 C38000 SAE1008
Brass SteelZn Al Mg
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Alloy PropertiesYoung’s Modulus*
* The strain rate behavior of zinc alloys under stress is non-linear and time-temperature dependent, i.e., the ratio of stress to strain is not constant, even at low stresses, and varies with time, resulting in continuous plastic flow under applied load (creep). As a result, zinc alloys do not have a single value for elastic modulus.
GPa
0
10
20
30
40
50
60
70
80
90
100
Zamak 2 Zamak 3 Zamak 5 ZA-8
ZP8
ZA-27
ZP27
A360.0 A380.0
LM24
46500
383.0
ADC12
LM26
B390 413
47100
AlSi12CU
LM6
AZ91D
Zn Al Mg
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Alloy PropertiesImpact Strength*
Ft. lb.J
*Results from tests conducted using an ASTM 23 un-notched 0.25" die cast bar
0
10
20
30
40
50
0
10
20
30
40
50
60
70
Zamak 2 Zamak 3 Zamak 5 ZA-8
ZP8
ZA-27
ZP27
ZA-27 AZ91D C38500 C38000
BrassZn Mg
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-0,5
0,5
1,5
2,5
3,5
0
1
2
3
4
AcuZinc 5 EZAC
Teck #3
A380.0
LM24
46500
383.0
47100
ADC12
LM26
Alloy PropertiesImpact Strength*
Ft. lb.
*Results from tests conducted using notched Charpy samples
J
Zn Al
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0
20
40
60
80
100
120
140
0
10
20
30
40
50
60
70
80
Zamak
2
Zamak
3
Zamak
5
Zamak
7
ZA-8
ZP8
ZA-27
ZP27
AcuZinc
5
Beric A360.0 A380.0
LM24
46500
383.0
ADC12
LM26
B390 413
47100
AlSi12CU
LM6
K Alloy 44300 46000 AZ91D
Alloy PropertiesThermal Conductivity
W/m KBtu-ft / h-ft
Zn Al Mg
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Alloy PropertiesElongation
% in 50mm
0
5
10
15
20
25
30
Zamak
2
Zamak
3
Zamak
5
Zamak
7
ZA-8
ZP8
ZA-27
ZP27
AcuZinc
5
Beric EZAC
Teck #3
A360.0 A380.0
LM24
46500
383.0
ADC12
LM26
B390 413
47100
AlSi12CU
LM6
K Alloy AZ91D C38500 C38000 SAE1008
Brass SteelZn Al Mg
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Alloy PropertiesElectrical Conductivity
% IACS
0
5
10
15
20
25
30
35
40
Zamak
2
Zamak
3
Zamak
5
Zamak
7
ZA-8
ZP8
ZA-27
ZP27
AcuZinc
5
A360.0 A380.0
LM24
46500
383.0
ADC12
LM26
B390 413
47100
AlSi12CU
LM6
K Alloy 44300 46000 AZ91D
Zn Al Mg
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Alloy PropertiesShear Strength
MPapsi
0
50
100
150
200
250
300
350
0
5
10
15
20
25
30
35
40
45
50
Zamak
2
Zamak
3
Zamak
5
Zamak
7
ZA-8
ZP8
ZA-27
ZP27
AcuZinc
5
A360.0 A380.0
LM24
46500
413
47100
AlSi12CU
LM6
AZ91D
Zn Al Mg
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Alloy PropertiesHardness
% IACS
0
20
40
60
80
100
120
140
Zamak
2
Zamak
3
Zamak
5
Zamak
7
ZA-8
ZP8
ZA-27
ZP27
AcuZinc
5
Beric EZAC
Teck #3
A360.0 A380.0
LM24
46500
383.0
ADC12
LM26
B390 413
47100
AlSi12CU
LM6
K Alloy 44300 46000 AZ91D C38500 C38000 SAE1008
Brass SteelZn Al Mg
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VISIT OUR MATERIAL SELECTOR APPLICATION
WWW.DYNACAST.COM
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Material ComparisonsAvailable on Our Website
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Material SelectorAvailable on Our Website
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INTRODUCTION TO DIE CASTING
Ignition housing/ steering wheel lock
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The Die Casting ProcessCold Chamber
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The Die Casting Process
Hot Chamber Conventional
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Die Casting ProcessesProcess Maximum Part Weight
Cold Chamber Aluminum
135 Ton .68 kg 1.5 lb
250 Ton 1.8 kg 4 lb
350 Ton 2 kg 4.5 lb
400 Ton 2.7 kg 6 lb
500 Ton 3.6 kg 8 lb
Conventional Zinc
200 Ton 5 lb
A2 – Zinc 50 g .11 lb
A2 SIS – Zinc 60 g .13 lb
A3 SIS – Zinc,
Magnesium
160 g .35 lb
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Die Casting Advantages
• Thin wall sections – 0.5mm or thinner• Thermal & electrical conductivity• Excellent EMI/RFI shielding properties• Very good noise damping qualities• Excellent impact strength• Easily plated or finished• Complex shapes with close tolerances• High production rates• High corrosion resistance• Reduces assembly costs• Use of metal creates perceived added
value to final product
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Advantages vs. Other processes
Other Processes Die Casting
Plastics Die castings are stronger, offer faster cycles, provide better heat resistance
and shielding properties.
Sand Casting Die castings provide for closer tolerances, better surface finishing and less
labor cost per casting.
Forgings Die castings can produce more complex shapes, thinner sections and holes
can be cored.
Stampings Die castings have better part-to-part uniformity, less scrap and closer
tolerances
Screw Machining Die castings have fewer operations, less scrap, faster cycles and offer better
part-to-part uniformity.
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Die Casting Design TipsDraft
• Slight taper on internal walls• Offsets effects of shrinkage• Ejector pins easily push out the casting (from cavity) Draft
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Die Casting Design Tips
Fillets and Radii• Sharp corners should be avoided• Design inside corners with fillets• Design outside corners with radii• Strengthens castings• Improves metal flow through reduced turbulence
RadiusFillet
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Die Casting Design Tips
Weight Reduction• Reduces cross-sectional area by designing pockets in solid sections• Decreases cycle time• Reduces cost
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D i e C a s t i n g D e s i g n
TipsRibs
• Use ribs to increase strength of the component• Blend ribs with fillets and radii to eliminate sharp corners
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Die Casting Design TipsThreads
• Design flats on the root diameter at the parting line• Full threads are possible
Parting Line
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Die Casting Design Tips
Design to Assist Flow• Smooth corners and uniform sections allow fast filling without producing metal
flow turbulence• Triangle flat added for better flow across part and cone feature helps fill post
Allows better flow across part
Cone feature helps fill post
Difficult to fill
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Die Casting Design Tips
Design to Assist Flow• Long “windows” or “slots” severely restrict metal flow• Round holes assist metal flow
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Case Studies
There are six basic ways to reduce component cost:• Lower raw material cost
• Reduce scrap
• Increase the speed and efficiency of the production process
• Eliminate secondary operations
• Add integral features to the component
• Combine multiple components into a single-piece design
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Summary
• Take full advantage of all the die casting process can offer
• Avoid over-engineering a component
• Keep an open mind about what manufacturing process will work in your application
• Our engineering staff is always ready to evaluate your component design and possible conversion candidates
• Add integral features to the component
• Early supplier involvement = the most cost effective component design
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Laser mount for
Blu Ray DVD
player
THANK YOU