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  • Case History: Metal-polymer bearings keep weld cutoff machines on track
    The production of vinyl windows involves removing the weld beads from the inside corners of the leaf and frame profiles. Heinz Zierke Kunstoffenster â à ì Bearbeitungsmaschinen, Heimertigen, Germany, has been manufacturing milling machines for this purpose for more than 35 years. The company
  • Introducing a Control Solution for Weld Seam Normalizing (.pdf)
    when normalizing the newer types of pipe. optical sensor to check the top of the pipe for excess weld bead. or other protrusions that might damage the induction coils. When. The chal enges faced by pipe manufacturers have prompted EFD. an abnormality is detected, a powerful servo motor swiftly moves
  • Portable Hardness Test Technology for Assessing Titanium Weld Quality (.pdf)
    bead and heat affected zone (HAZ) results in surface oxidation. Excessive surface oxi-. dation produces welds with poor fatigue strength and fracture toughness. Weld colors indicate that inert gas shielding during welding was somehow compromised. It is well. understood that weld color(1) indicates
  • Combustible Gas Detector Sensor Drift: bead combustible sensor
    are present. with water and form enough acid on basic. temperature, producing a resistance change. within the gas sample, then energy reaching. sensor elements to attack weld joints and. that results in bridge imbalance. The inactive. the detector is the same. If, however, some. base metal components
  • Weldability and Corrosion Studies of AISI 316L Electropolished Tubing (.pdf)
    the crevices (and potential for crevice corrosion) common with mechanical couplings. Unacceptable weld characteristics include bead meander, oxidation, and slag formation. There are also cosmetic geometric issues, such as weld bead width and height. Weldability and Corrosion Studies of AISI 316L
  • Laser Cutting and Welding of Copper (Cu) and Copper Alloys
    working with copper due to the fact that the molten weld bead becomes very highly reflective resulting in reflected power being transferred back into the laser. A series of 20mm long rectangular cuts were made at various laser parameters and a range of cut speeds. Due to fit up issues
  • Flux Coated / Stick
    and molten weld pool. The flux also forms a slag that protects the cooling weld pool or braze joint. The slag must be chipped or brushed off the weld bead after welding. The flux coating also provides a method of adding scavengers, deoxidizers, and alloying elements to the weld metal.
  • Depressed Center Grinding Wheels
    the workpiece and wheel center. ANSI type 28 wheels project out in front of the wheel center toward the workpiece. Depressed center grinding wheels are applied in the rough offhand-grinding or snagging of castings, weld beads, and flash or parting lines or defects in metal parts.