Several different types of testing. Non-Destructive Testing (NDT) Doesn’t break the tested item. Can be open to interpretation. Visual Inspection Just look at it. Ultrasonic Testing High frequency vibration. You can also use to find dimensional thickness. Ex. Hollow wall castings. Similar to sonar. Magnetic Particle Testing Used to find defects in ferromagnetic alloys. Liquid […]
Archives for February 2015
Calipers Digital Calipers – Useful to send data directly to computer programs. Dial Calipers – Have jaws. Vernier Calipers – Use Vernier Scale – 1/1000 of an inch | 0.001 inch. Have been replaced by digital or dial calipers. Gages Depth gage: Come in various shapes and sizes. Used to measure depth of holes, slots, […]
Calibration is the process of comparing a measurement standard or an instrument with a known accuracy to another standard or instrument.