Domestic introduction of endoscopic products from abroad in the 1970s and 1980s was mainly used for the control of excess internals in aerospace products and the quality inspection of some components. Nowadays, there are many types of instruments. Industrial endoscopes are one of them. In recent years, domestic endoscope detection has entered a practical stage, more and more used in the quality control of product production process, and developed into a routine detection method.
Divided from the form of imaging: optical mirrors, fiber optic mirrors, electronic mirrors. The optical mirror is a complete transmission of internal objects through the light, without distortion transmitted to the examiner's eyes, so the image is very fidelity, but also the highest clarity in these types of mirrors. The principle of fiber optic mirrors and optical mirrors are very similar. To enter finer holes, we choose fiber optic mirrors. The resolution of fiber optic mirrors depends on the number of fiber optic bundles. The electronic endoscope shoots the inner surface of the object through a CCD camera and displays it through the video terminal.
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