Intelligent Injection Molding on Sensing, Optimization, and Control

Figure 5

An ultrasonic pulse-echo measurement method for online characterization of (a) a cross-sectional schematic view of a mold with an ultrasonic transducer, (b) a typical single signal received with the transducer, and (c) typical U2 ultrasonic signals over a microcellular injection molding (MIM) process cycle [50].

(a)

(b)

(c)