magnetic pulse and electro-hydraulic processes for · pdf fileoffering includes...
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![Page 1: Magnetic Pulse and Electro-hydraulic processes for · PDF fileOffering includes industrial-grade systems for electromagnetic pulse processes - Forming, Welding, Crimping & Expansion](https://reader031.vdocuments.net/reader031/viewer/2022030400/5a6fc71e7f8b9a9d538b5d29/html5/thumbnails/1.jpg)
Magnetic Pulse and Electro-hydraulic processes for
Forming, Welding, Crimping & Expansion
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About Bmax
Bmax is a leading provider of advanced metal processing solutions.
Offering includes industrial-grade systems for electromagnetic
pulse processes - Forming, Welding, Crimping & Expansion.
Bmax is based in Toulouse, France and boasts a new 3000m2
state-of-the-art facility.
Bmax is a multi-national company heavily invested in research and
development for the advancement of ultra high speed processes
and simulation technology.
Bmax’s hand-picked team of the world’s best engineers and
scientists have over 100 man-years combined hands-on experience
in this field.
Bmax uses best in breed simulation techniques available to provide
clients with a fully integrated manufacturing solution from the very
first contact to on-site training and continuous after sales service.
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Bmax’s core technology is based on the discharge of stored
electrical energy in an ultra short interval. The concentration
of energy, allows the generation of intense magnetic fields or
shockwaves.
This instant energy burst can then be converted into mechanical
or electromagnetic power and applied to various applications
producing results in Forming, Welding, Crimping and Expansion
that cannot be met using traditional techniques.
Core Technology
Magnetic field
Shock waves Common energy source
Generator
Tools
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of complicated shapes of dissimilar metals High strength levels
Forming
(MPF/EMF)
Applications
Magnetic Pulse
Welding (MPW)
Magnetic Pulse
Crimping
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On top of enabling better products,
Bmax offers additional advantages:
• High Repeatability and
Cost Efficiency due to
generic stability of Bmax’s
core technology.
Stable core technology
• No Heat
• No Smoke
• No Sparks
• No Oil
• No Detergents
Green and clean
• Process time is
extremely short
• Handling is the
bottleneck
Higher production rate Better yield
Lower cost of ownership
• Process stability
eliminate failures
and re-work
• Lower energy
consumption
• Smaller footprint
• Lower cost of
quality
Advantages
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Bmax’s systems are installed at production sites world-wide
• Industrial grade equipment with
track record in plants
REAL USAGE RETURNS
• Close to 0% failure rate in the field
• Low cost maintenance with very little
down-time
REAL EFFICIENCY MATURED SIMULATION TOOLS
• Bmax uses powerful predictive numerical
simulation to design tooling and processes.
Proven Technology
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High speed forming by an
electromagnetic field.
Direct Electromagnetic Forming
Forming by high speed punch
using an agent elastic material.
Non-direct Electromagnetic Forming
Forming by shockwave in water
by electro discharge.
Electro-Hydro Forming
• Up to 600 cm2
• Multiple steps
• 2D & 3D
• Up to 300 cm2
• Up to 3 steps
• 2D & 3D
• Up to a few m2
• Multiple steps
• 2D & 3D
MP Forming Methods
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Use one sided die
(Optional - none
metallic die)
Can be combined with
any other forming
technology
Achieve higher formability
than traditional methods
Can produce Sharp
corners and Fine details
No Spring-Back and good
material distribution
MP Forming Advantages
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Direct MP Forming
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Direct MP Forming examples :
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Non-Direct MP Forming
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Non-Direct MP Forming examples :
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Electro-HydroForming (EHF)
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HydroForming examples :
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Cycle time depends only
on feeding.
Sub second weld time.
Eg: Aluminum to
Stainless steel
Dissimilar metals. High performance joining, using less material
No heat affected zone
Magnetic Pulse Welding is a Solid State Cold Welding
Generated by high speed collision between two metals at room temperature
Tubular elements up
to Ø125mm or sheet
metal.
Different shapes
MP Welding
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• Acceleration by Electromagnetic power.
• Extremely high speeds - up to 600m/s (over 1mm)
MP Welding
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• Principles taken from Explosive Welding
• At these speeds, the metal enters a Viscoplasticity phase
X50 X200 X100 X500
• which allows atomic level bonding to occur.
MP Welding
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Aluminum to Steel welding in a driveshaft Aluminum pressure vessel MPW MIG Welding
MP welding provides high quality
and cleaner interface
In testing, the mother material will surrender
prior to the weld area
Quality of interface High performance
Burst testing Torque testing
MP Welding
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Wide Range of Combinations
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Conventional Welding Magnetic Pulse Welding (MPW)
Benefits in the production line
Rework
2% to 15%
99.7% to 100% Yield
Degreasing
Feeding
Welding 15 to 45 sec’
Cleaning
Straightening
Heat Treatment
Testing
No Degreasing
Feeding
Welding 0.1 sec’
No Cleaning
No Straightening
No Heat Treatment
Testing
85-90 % Yield
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Using the principles of MP Forming, Bmax can shrink or expand elements
enabling new design with extreme mechanical properties
Eliminating the need for
adhesives, riveting and
welding
Mechanical joining
Metal to Polymer, Composite,
Ceramic and Cast metal
Wide range of assemblies
Zero clearness and
maximum contact area
Higher conductivity
Heat-shock resistant
Crimping and Expansion
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Crimping
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Expansion