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  • Re: Welding - Why Do Some Manufacturers Prefer DC Welding?

    No. Take a look at the chart to the right. You will note that full welding power is is only achieved during a small portion of each cycle. DC power does not fluctuate. Text and chart below from: http://www.lincolnelectric.com/en-us/support/welding-solutions/Pages/polarity-for-smaw.aspx posted by pa...

  • Re: Is This So Overmatched and Costly Electrode Neccessary

    This is the third time you have asked THE SAME QUESTION!! yelp The answer will not change to allow you to use a cheaper rod. if this selection for alloy steel is based upon established rules or chart accepted widely for a long time worldwide in this industry, then i have to give up on trying an e...

  
News about Welding Electrode Chart
  • Investigating the possible effect of electrode support structure on motion artifact in wearable bioelectric signal monitoring

    Background: With advances in technology and increasing demand, wearable biosignal monitoring is developing and new applications are emerging. One of the main challenges facing the widespread use of wearable monitoring systems is the motion artifact. The sources of the motion artifact lie in the skin-electrode interface. Reducing the motion and deformation at this interface should have positive effects on signal quality. In this study, we aim to investigate whether the structure supporting the electrode can be designed to reduce the motion artifact with the hypothesis that this can be achieved by stabilizing the skin deformations around the electrode. Methods: We compare four textile electrodes with different support structure designs: a soft padding larger than the electrode area, a soft padding larger than the electrode area with a novel skin deformation restricting design, a soft padding the same size as the electrode area, and a rigid support the same size as the electrode. With five subjects and two electrode locations placed over different kinds of tissue at various mounting forces, we simultaneously measured the motion artifact, a motion affected ECG, and the real-time skin-electrode impedance during the application of controlled motion to the electrodes. Results: The design of the electrode support structure has an effect on the generated motion artifact; good design with a skin stabilizing structure makes the electrodes physically more motion artifact resilient, directly affecting signal quality. Increasing the applied mounting force shows a positive effect up to 1,000?gr applied force. The properties of tissue under the electrode are an important factor in the generation of the motion artifact and the functioning of the electrodes. The relationship of motion artifact amplitude to the electrode movement magnitude is seen to be linear for smaller movements. For larger movements, the increase of motion generated a disproportionally larger artifact. The motion artifact and the induced impedance change were caused by the electrode motion and contained the same frequency components as the applied electrode motion pattern. Conclusion: We found that stabilizing the skin around the electrode using an electrode structure that manages to successfully distribute the force and movement to an area beyond the borders of the electrical contact area reduces the motion artifact when compared to structures that are the same size as the electrode area.

  • DC Motor Design

    I'm looking for a really groovy chart. This chart had dimensional parameters regarding sizing of DC Motors. Number of windings, diameter of wire, volts, amps and relative force were just a few of the variables that would be listed in this chart. During my undergrad years, my Manufacturing Managemen

  • Gold - the Key to Simpler Solar Cell Manufacture

    Scientists at Rice University have developed a simpler way to change plain silicon into valuable black silicon by using the top electrode as the catalyst. ?Gold electrodes serve as the catalyst in this new process which will benefit solar cell manufacture. Black silicon reflects little light and allows more to … The post Gold – the Key to Simpler Solar Cell Manufacture appeared first on The Green Optimistic.

  • Using an Underground Metal Water Pipe as a Grounding Electrode

    Part III of Art. 250 focuses on the grounding electrode conductor and grounding electrode system. read more

  • Exxon Mobil, Chevron Stock Charts Are Positive Heading Into Earnings

    Exxon is scheduled to report its quarterly results before the opening bell on Thursday. Analysts estimate the company will post earnings of 80 cents a share as it puts a streak of six quarterly earnings beats on the line.

  
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Product Announcements for Welding Electrode Chart
Mi-Tech Metals
Resistance Welding - W/Cu

Mi-Tech's composites are manufactured by the powder metallurgy techniques of pressing, sintering, and infiltrating of Tungsten with Copper or Silver. The high physical and mechanical properties, as well as the thermal and electrical conductivity of refractory metal composites, make these materials very suitable for die inserts and electrode facings, flash and butt welding dies, and hot upsetting. They can also solve your heat balance problems.

Freeport-McMoRan Copper & Gold, Inc. (FCX)
Resistance Welding Materials

The products are offer in round rods from .325" to 3.650" dia. In Square bars from .375 to 2.500 Sq., and a broad range of rectangular configurations and hexagonal sizes. These products are available in the following alloys: C18000 RWMA Class 3 (Beryllium Free RWMA Class 3). C18200 RWMA Class 2. C18150 RWMA Class 2. C16200 RWMA Class 1. Packaging. RWMA Specifications. (Web): www.fcx.com/metals/bayway.htm. For More Information Contact. Michael Prendergast (908) 558-4398

Metal Cutting Corporation
EDM Electrode Materials Available

Metal Cutting offers specialty refractory metal electrodes. Our electrode materials expertise is in tungsten, molybdenum and their alloys, including copper tungsten and silver tungsten as well as carbide compositions and heavy metal electrodes. Our electrodes are used in high speed large volume automated resistance spot welding manufacturing environments and are also excellent for die sinker EDM. Copper Tungsten is by far our most popular electrode material for both applications. Die Sinker EDM...