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  • Motion Control Requirements for Hermetic Seam Welding
    be applied to the hermetic seam-welding application. The controller implementing the transformation in this case must have knowledge of the type of motion being commanded, as there are distinctly different transformation functions for linear and circular movements. Modern open-architecture motion controllers
  • Radio Frequency Plastics Welding - The State of the Art
    for illegal status (for example a switch that appears to be open and closed at the same time). Once again should a problem be detected the machine is stopped and the operator made aware by means of an error message. Arc detection is achieved by two independent systems, one electronic the other software
  • Construction Firms Gain Productivity through Extended Stick-Out Welding Procedures
    . The Louisiana based company won a contract to build a new barge bridge across the Belle River on State Route 70, deep in Cajun country. The existing bridge was 50 years old and showed its age in wear. It was a unique floating design that swung open laterally from one end, like a door, to make way for river
  • Berg Steel Pipe: Multiple-Wire Welding Creates High Productivity and Quality
    of the problems with closing the bevel for welding that Berg Pipe was experiencing with its former system. The formed tube is tack-welded at the laser-guided continuous tack welding station.  . These two DC 1000s create a continuous seam tack using an open arc gas-metal arc welding (GMAW) process at high
  • Heavy Piercing with Plasma
    provides some flexibility when it comes to pierce times. That’s because having sufficient voltage available means the arc energy doesn’t dwindle significantly if the plasma dwells momentarily in an open hole, because it can maintain current even with a long arc length. A cut chart might assign
  • Titanium
    All Metals & Forge (AM&F) is a supplier of titanium alloys to industries around the globe. Through its open die forging facilities, AM&F supplies titanium flat bars and blocks with maximum widths of up to 65 inches. Maximum weight of the flat bars is 15,000 pounds. Titanium, Titanium Metal Prices
  • AN1106, Power Factor Correction in Power Conversion Applications Using the dsPIC(R) DSC
    set with an open. properties that lead to the following conclusions: switch and a periodic current source, as shown in. · The two elements, inductor and capacitor, can be. Figure 3. considered to be resistive in the low frequency. · A capacitor cannot take a sudden change in. range. voltage
  • Combining 2-D and 3-D Laser Applications
    specialists claim that an operator now can change the head for cutting 3/4-inch mild steel to welding 3-D parts in less than 15 minutes. That type of time savings can open the door to many possibilities for laser cutting and welding sheet metal. So the laser cutting equipment has made a technological

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