| 摘要 |
PROBLEM TO BE SOLVED: To provide a measuring method of the receiving speed of an extruded molding, not influenced by the surface color or the surface state of a measuring object. SOLUTION: In this measuring method of the receiving speed of extruded molding, the time from a printed mark on an extrusion molding product until the next printed mark is calculated, based on a detection signal from a photoelectric sensor for detecting existence of the mark printed at a prescribed distance on the surface of the molding product which is being produced by extrusion molding, and the receiving speed of the molding is measured from the calculated time and a prescribed distance.
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