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A COMPANY OF THE
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Welcome to
Welding Applications
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A COMPANY OF THE
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LASAG is located in Thun, Switzerlandwith subsidiaries in USA, Germany and Japan
The Company
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A COMPANY OF THE
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Lasers are Universal Tools
Ø Fine Drilling
Ø Scribing & Ablating
Ø Precision Spot & Seam Welding
Ø Precision Cutting
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Core Markets of LASAG
Ø Electronics
Ø Aerospace and other industries
Ø Automobile Industry
Ø Medical Device Industry
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Lasers are Universal Tools
Laser applications powered by LASAG are manifold. New applications are being developed every day.
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LaserPrecision Welding
Application Ranges
ØWeld penetrations 40 µm … 5 mmØ Minimum spotweld diameter of 40µm
Ø Minimal heat input / thermal deformation
Ø Highly strength and vacuum tight welds
Ø Joining of similar and dissimilar materials
Ø Feed rates depending on material, penetration and width
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Principle of Laser Welding
Laser welding is the process of joining materials by laser lightwithout using additional materials.
The solid state laser delivers a controlled energy into the material within a short time resulting in a minimal heat input.
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Precision Welding of similar & dissimilar MATERIALS
Ø Stainless and high alloyed steel
Ø Tungsten and molybdenum
Ø Precious and nonferrous metal
Ø Aluminum and titanium
Ø Tantalum, nickel, niobium and beryllium
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SEAM versus SPOT Welding
Ø Percent overlap determines strength of weld and seal quality
Ø Structural welds 50%-60% overlap
Ø Hermetic welds 85%-95% overlap
Ø Cross section at interfacedetermines strength of weld
Ø Multiple spot welds for higher strength
ØWelding depth determined by peak power of laser pulse
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Precision SPOT Welding of electrical connections
300 micronPrecision joining of
Ø Connectors, sockets, relais
Ø TV tubes, storage devices
Ø Optoelectronical components
Benefits
Ø Low heat input
Ø high throughput
Ø high repeatability
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Packaging of electronical components
300 micronTight welding of
Ø Batteries, sensors
Ø Hybrid casings
Ø Transponder
Benefits
Ø vacuum tight welds
Ø high throughput, low distortion
Ø high repeatability
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Spot welding of heatsink to Copper leadframe
Ø high speed welding
Ø tight weld, good repeatability
Ø 6 welds / part & 20 / s
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Cosmetical Welds of medical implants and tools
∅ 0.04 mm
Ø controlled heat input
Ø good biomedical acceptance
Ø smooth weld seams
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Precision Spot Welding of fine mechanical parts
laser spot diameter 0.10 mm
Ø very low heat input
Ø needs highly repeatablelaser output
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Precision Welding of car components
Ø high reliability welds for safety issues
Ø short cycle time
seam weld
Lamda- Airbag ignitorSensor
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LASAG AG sets the standards for quality and dependability.
In 1990 LASAG was the first laser manufacturer, worldwide, to be certified according to ISO 9001 standards.
Quality – Swiss made
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A COMPANY OF THE
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Worlwide Service – tailored to your needs
USAArlington Heights, IL
Switzerland GermanyThun Pforzheim
JapanTokyo