바코드의 기호

DPM Codes

관련 바코드 리더기

DataMan 360

DataMan 300/360 시리즈

DataMan 300/360은 다양한 범위의 1D 선형 및 2D 매트릭스 코드를 쉽게 판독하는 가장 다재다능한 고정형 판독기입니다.

DataMan 8050 시리즈

DataMan® 8050 시리즈 리더기에는 세계 최고로 꼽히는 Cognex의 바코드 판독 알고리즘이 탑재되어 있고, 혹독한 공장의 조건을 견딜 수 있도록 튼튼한 내구성으로 설계되었습니다. 

While most items identified by barcodes are affixed with a printed paper label, direct part marking is a process by which a manufactured part has its identifying barcode printed on it directly and permanently. It's particularly useful in fields wherein parts need to be reliably tracked throughout their life cycles, such as aerospace, automotive, and electronics manufacturers (such as for cell phone parts). This can be done for safety issues, to identify a faulty part after an accident and trace where it came from and how it came to be faulty, as well as for simple warranty issues. The codes printed on these parts are usually 2D data matrix codes, such as QR, as they can be condensed and printed on any size part.

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Direct part marking can be performed in a number of different ways, from simple laser printing, to engraving or dot peening, to chemical etching, or abrasive blasting. However, it's important to note that, since printing on parts generally doesn't allow for the traditional black markings on white background, DPMs tend to be low contrast no matter what method of printing is used.

There are also additional factors, such as the surface that the code is being printed on. A curved or uneven surface will be more difficult to read a barcode from than a perfectly flat surface. Highly reflective surfaces are likewise difficult to read, unless a small textured patch to reduce glare is added for the barcode to be printed on. In any event, most direct part marking codes require advanced image-based readers in order to be scanned and read properly.

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