“The Resistance Welding Troubleshooting Tool is one of the top 3 systems I have encountered in my 40+ year career.” – Art Schuneman, Helgeson
Learn when you might choose one technology over the other in this blog piece: Nd:YAG for Fiber Laser Welding?
Use a picosecond laser for corrosion resistant black marking on stainless steel alloys: UDI marking, banding, part traceability
What’s all the fuss about? Read about micromachining with a femtosecond laser in our blog.
What is it and what can you do with it?
Laser soldering and plastic welding; both possible with direct diode lasers
Read our blog piece Bringing Laser Technology In House: 6 Simple Steps to Success which outlines some of the pitfalls and how to avoid when moving from contract manufacturing.
How to design ring projections for hermetic sealing.
Configure your Glovebox here…
Flexible circuit design for hot bar reflow soldering
Check out these tips and tricks for successful setup of your micro tig welding application.
Laser or resistance technology? Which do you choose when it’s critical to prevent external environmental conditions from penetrating the package?
Projection welding of Fasteners to Hot Stamped Boron Components
Tips for Improving Tab to Terminal Connections
Industry increasingly relies on sensors in both factories and products. New sensor technologies mean new product capabilities with improved performance and efficiency.
Innovative and efficient process utilizes a laser to strip polymer coating to expose metal conductor.
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High production rate + high yield = industrial process success. Understanding both the process requirements and production environment allows companies to optimize their production rates resulting in lower cost per part and higher profit.
What is your application? Are you welding? Marking? Cutting? Drilling? Ablating? Take a look through our Applications Gallery to see the many ways our equipment is used in manufacturing.
Ablation – specifically, laser ablation – is the process of removing material from a solid surface by irradiating it with a laser beam.
In a Reflow Braze Bond the resistance heating of a low temperature brazing material such as gold or solder is used to join either dissimilar materials or thick/thin material combinations. The brazing material must ‘wet’ to each part and must possess a lower melting point than the two workpieces.
Coil winding is the generic term used in the manufacture of electromagnetic coils. These coils are used as components of circuits and to provide the magnetic field of motors, transformers, and generators.
Drilling – specifically laser drilling – is a process that can be used to make micro-holes in almost any material. Pulsed lasers effectively complete this work by depositing very small, finite amounts of energy into a material, resulting in extremely precise and reproducible material removal.
Engraving – specifically laser engraving – refers to a mark that removes material from the primary source, e.g., laser engraving on stainless steel. Engraved marks are resistant to weathering and suitable for parts that undergo a lot of wear and tear as in the automotive or tooling industries.
Etching – specifically laser etching – refers o a mark that removes material from the primary source, e.g., laser etching on stainless steel. Etched marks are resistant to weathering and suitable for parts that undergo a lot of wear and tear as in the automotive or tooling industries.
Femtosecond lasers are the shortest pulse duration laser in the industrial marketplace. As the pulse duration of the laser is shorter than the conduction time of the material, there is no heat signature from processing, thus the laser is able to machine almost any type of material from glass to hardened steel to plastics. The material removal is from solid to vapor – often referred to as “cold ablation” – providing the highest quality machining and offer unique machining capabilities.
Heatstaking is a method of joining two or more parts, where at least one is made out of plastic. The bond is made by partially de-forming the plastic part to fix the other.
Heatstaking is the most efficient way to bond metal to plastic, and is commonly used in high volume/low cost applications in the automotive, telecom and appliance industries.
Hermetic Sealing is a variation of the seam sealing process which results in a closed package completely sealed against ambient atmosphere, preventing the entry or escape of air. The process is most often employed in the manufacture of electronic devices. Part design and fit up is critical in these applications to create hermetic seals.
Hot Bar Bonding, also known as Pulsed Heated Hot Bar Reflow Soldering is a selective joining process in which two solder plated parts are pressed together and heated to a temperature adequate to cause the solder to melt and flow, after which the parts are cooled to form a permanent electro-mechanical bond.
Laser cutting is a non-contact processes which utilizes a laser to cut materials for industrial applications. The cut and feature edges are generally of high quality with little no burring, low surface roughness and dimensional accuracy.
Laser Marking is a marking method which uses a laser to mark materials using a fine spot diameter ranging. The laser marks with short pulses (10’s-100’s of nanoseconds), providing precise control and negligible heat input to the part.
Laser welding is a non-contact process which requires access to the weld zone from only one side of the parts being welded. Lasers produce high intensity beam of light which, when focused into a single spot, provides a concentrated heat source, allowing narrow, deep welds and fast welding speeds. Laser welding is frequently used in high volume applications such as in the automotive and medical industries.
Laser micromachining is a non-contact process which utilizes a laser and a multi-pass process to remove small layers and volume of the material on each pass. Typically the laser is moved at high speeds over a stationary part, going over the same path many times to achieve the desired feature.
Lid placement and tacking is the first step in a seam sealing / hermetic sealing process. The lids of electronic packages are placed on the cans and quickly spot welded to fix in place, after which the seam sealing process is initiated.
Projections are “dimples” or “bumps” that are pressed or machined into material at the location where the weld is to be made. Projections promote heat balance, extend electrode life and ensure a consistent current path ensuring more reliable and consistent welds.
Resistance spot welding is a thermo-electric process where heat is generated at the interface of the parts to be welded by passing an electrical current through them for a precisely controlled time and under force. The name “resistance” spot welding comes from the fact that the resistance of the workpieces and electrodes are used in combination or contrast to generate heat at their interface.
Seam welding is a variation of spot welding.
In resistance seam welding, the electrodes are actually motor driven wheels which roll over the part creating a “rolling spot” seam. This process is most often used to join two sheets of metal together.
In laser seam welding, the part is moved or rotated under the laser allowing the laser spot welds to overlap.
Thermocompression bonding produces joints using indirect heat and force simultaneously. The resultant bond corresponds to diffusion welding, meaning that it is not produced by melting at the contact points, but rather by solid body diffusion. Thermocompression bonding is often used for very small, delicate parts.
Wire compacting is ideal for creating a solid fused joint in both solid and stranded wire welding applications. Tungsten electrodes produce the weld heat and ceramic tooling inserts “compact” the flow of metal from the sides.
Typical applications include wire welding, wire harness welding, compacting stranded wires and multiple wire assemblies.
Wire stripping is the removal of wire insulation or coatings in order to provide electrical contact points for downstream manufacturing processes.
Lasers are ideal tools for wire stripping applications as the process is non-contact, very repeatable, can selectively remove layers, can selectively remove areas and is easily automated.
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