are purchasing these types of machines so they can sew extra large thread sizes up to Tex 500 or Tex 600 thread sizes. Another option for sewing heavy threads on 301 lockstitch machines is to sew the heavy thread in the bobbin and using a regular size thread in the needle. This means that the seam is inverted when it is sewn.
Ultrasonic Flaw Detectors range from easy-to-use, Hand-held Ultrasonic Flaw Detectors to Phased Array Ultrasonic Flaw Detectors for many Ultrasonic Flaw Detection Applications including Crack Detection, Weld Inspection, Defect Sizing and more... SUPOR-Super Idea for Ultrasonic Inspection.
Radiographic and Ultrasonic Testing of Welds Radiographic and ultrasonic weld inspection are the two most common methods of non-destructive testing (NDT) used to detect discontinuities within the internal structure of welds.