Method for automatically engraving ET seal on PCB

Automatically engrave ET seals on PCB boards through an automatic engraving machine, the problems of extended production cycle, mixed defective products and unstable engraving quality caused by manual stamping are solved, and the production cycle is shortened, quality consistency and economic benefits are improved.

CN119704926APending Publication Date: 2025-03-28GAN ZHOU SUN & LYNN CIRCUITS CO LTD
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Patent Information

Application Number
CN202411990792.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

In the prior art, manual stamping of "ET" seals leads to a longer production cycle, poor products are stamped into subsequent processes or customers, and low stamping efficiency and unstable quality, resulting in additional quality scrapping and increased production costs.

Method used

Automatic engraving machine is used to automatically engrave ET seals, obtain PCB board graphic information and set area coordinate positions through the control center, and the automatic engraving machine engraves ET seals in real time to ensure consistency and efficiency of engraving positions.

Benefits of technology

It reduces the production cycle of PCB boards, avoids the inclusion of bad products, improves the consistency of engraving quality, and reduces the scrapping of appearance quality and economic losses.

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Abstract

The invention discloses a method for automatically engraving an ET seal on a PCB, and the engraving method comprises the following steps: S1, starting an automatic engraving machine, and obtaining a coming board signal by a control center; s2, the control center obtains product graphic data and the coordinate position of a preset setting area for engraving ET printing on the PCB; s3, the control center obtains the sent coordinate position of the set area on the PCB; s4, the automatic engraving machine is controlled to engrave the ET seal; and S5, the first PCB is checked. And the PCB is directly conveyed to the position below the automatic engraving machine for engraving after being subjected to the conduction test, so that the production cycle of the PCB is shortened. And the PCBs are not accumulated in a concentrated manner, so that bad PCBs are not easy to mix. And the consistency of the engraving position is ensured, and the ET printing can be quickly identified. The ET seal is engraved through the automatic engraving machine, the engraving quality can be consistent, appearance quality scrapping caused by manual ET seal covering is avoided, and economic losses caused by the ET seal are reduced.
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