| 摘要 |
PURPOSE: A width computing processing method is provided to measure width of an object in an accurate manner by measuring only the intermediate section of the object and excluding, from the measurement, the bending portions of the top and tail of the object. CONSTITUTION: A method comprises a step(300) of initializing a program; a step(310) of judging whether an object to be measured has entered the measurement range of CCD camera; a step of receiving pulse signal of an encoder; a step of receiving the pulse value corresponding to the bending portion of the top of the object from a Y1 register of a main RAM; a step of excluding the bending portion of the top of the object from the width measurement if the pulse value output from the encoder is smaller than the pulse value corresponding to the length of the bending portion of the top of the object, and storing the pulse signal output from the encoder if the pulse value output from the encoder is larger; a step(360) of receiving width data from a controller; a step(370) of receiving the minimum width data from an X register of the main RAM; a step(380) of comparing the width data received from the controller with the minimum width data; a step(390) of ending the measurement and returning to the step(310) if the width data received from the controller is smaller than the minimum width data, and storing the width data into the X register if the width data is larger than the minimum width data; a sep(400) of judging whether the object has escaped from the measurement range; a step(410) of computing length of the object if the object has escaped; a step(420) of storing the measured length into the X register; a step(430) of receiving width data from the X register; a step(440) of receiving the count of width data measured in the bending portion of the tail of the object; a step(450) of excluding width data measured in the bending portion of the tail from the width calculation; a step(460) of computing width data stored in an X1 register of the main RAM; a step(470) of displaying the computation result, and transmitting the result to an upper computer; and a step(480) of returning to the step(310) or ending the operation.
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