• ISO 9001: 2015
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Auto-Wire & Tape Weld Electrical Contact Welding Process

Punchpress Samples

TAPE WELD ASSEMBLYMitsubishi Wire Cut SystemModel MV1200RMax Workpiece 810mm x 700mm x 215mmMax Wire Burn Area 400mm x 300mm x 215mmMax Taper Angle 15° StandardAbility to Burn up to 25° in Specific ConditionsWire Diameters .1mm – .3mm4 Axis CapableLatest Wire Burn Technology The auto-wire weld assembly process develops a metallurgical bond between the precious metal…

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Benefits of Precision Stamping Custom Electrical Contacts

Norstan pen with a variety of stampings for size comparison

Precision Metal Stamping Metal stampers are using high-speed presses and stamping dies to form metal strip into more precise complete and semi-complete parts than ever before. New developments in precision metal stamping can quickly and accurately accomplish complicated stamping applications by using several drawing, folding, stamping, and piercing techniques to their advantage.  The Benefits of…

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Surface Contamination and Electrical Contact Resistance

overhead shot of stainless steel vibratory feeder bowl

Correlation of Surface Contamination Introduced by Feeding Equipment on Electrical Contact Resistance Abstract Contact degradation caused by austenitic stainless steel feeder bowls has raised concern among manufacturers of electrical contacts. The surface contamination of three contact materials fine silver, silver cadmium oxide (90%Ag 10%CdO) and a silver alloy (75%Ag 24.5%Cu 0.5%Ni) with 15 microinches (Ra)…

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The Effect of Various Deburring Media Containing Mineral

Silicone Carbide Image

The Effect of Various Deburring Media Containing Mineral SILICON (SiO2) OR ALUMINUM OXIDE (A1,0.) ON CONTACT PERFORMANCE  Summary Particle fragmentation and embedment of mineral silicon (SiO2) or aluminum oxide (A1,0,) introduced by deburring electrical contacts inhibit metallic conduction. The relationship between the concentration of mineral particles embedded on the rivet’s surface and contact performance was investigated.…

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Everything You Need To Know About Electrical Contacts

Norstan Bimetallic Silver Copper Contact

Electrical contact or connection failure can spell disaster for your facility or appliance’s operations. Issues with these systems can cause costly damage to capital equipment, not to mention injury or loss of life. Maintaining well-functioning electrical contacts is an important element to ensuring the performance and safety of your electronic equipment and components. An electrical…

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Differences Between Spot Welding & Projection Welding

Norstan Resistance Welding

The resistance welding process is commonly utilized in budget projects because it requires no additional materials outside of the metal that’s being joined. Fortunately, the cost-effective nature of the process doesn’t translate to a less reliable weld. While differing welding methods vary in cost, the appropriate method is largely chosen by what is best suitable…

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Differences Between Soldering & Furnace Brazing Contacts

soldering vs furnace brazing graphic

What’s the Difference Between Soldering and Furnace Brazing? Furnace brazing joins metals by melting a filler metal developing a metallurgical bond between substrates. This process works well in mass production applications because it produces strong joins without requiring a high degree of precision. It is also very flexible. The metallurgical bond developed between substrates has…

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How to Find a Reliable Custom Electrical Contact Supplier

The advantages of in-house machine tooling at Norstan

Imagine if your automobile had rope steering, like an old-fashioned go kart. You could steer it, but not very accurately. Chances are, you’d be running into things and endangering other drivers. That’s what it’s like when you’re trying to work with an electrical contact supplier that has limited product knowledge. You’ll get to your destination…

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Materials and Design for Electrical Contact Longevity

redwood trees with text overlay materials and design for electrical contact longevity

Proper design and selection of materials can have a big impact on the longevity of your electrical contacts. Designing long-life contacts involves a number of important considerations and trade-offs, as well as iterative testing and sampling, to achieve an optimal performance for your electrical contacts. Keep these factors in mind when performance and reliability are…

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Don’t Leave Electrical Contact Selection to Chance

roulette table with text overlay, don't leave electrical contact selection to chance

When it comes to electrical contact selection for your switches, are you content to roll the dice? If so, you may be gambling with the reliability of your customers’ equipment. No one can afford to do that. There are many factors you need to consider when sourcing electrical contacts for switches. Many of them require…

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Key Factors When Choosing an Electrical Contact Supplier

image of connected dots with text overlay how to connect with high-quality electrical contact supplier

When it comes to electricity, a strong connection makes everything go. Current flows unimpeded, like a superhighway of electrons, and your machine works efficiently. It’s no different when you’re selecting an electrical contact supplier. A partner with the right capabilities and qualities can energize your project and can result in a successful switch design. But…

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The Most Common Failure Scenarios for Electrical Contacts

image of failed toy rocket with text overlay common failure scenarios for electrical contacts

Often, when a product or component fails, it’s because it wasn’t adequately designed for the environment or the application in which it was used. Think of the O-rings on the boosters of the Challenger Space Shuttle, which were never designed to survive a launch in cold weather. Or the Samsung Galaxy Note 7 smartphone, which…

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