Several methods to improve the marking efficiency of Compact high repetition rate nanosecond lasers

 

Factors affecting marking efficiency

For a fixed marking pattern, the factors that affect marking efficiency can be divided into the equipment itself and the processing material. From these two factors, it can be subdivided into different aspects:

Therefore, factors such as filling type, field lens (filling line spacing), galvanometer (scanning speed), delay, laser, processing materials, etc., ultimately affect marking efficiency.

 

 Measures to improve marking efficiency

1. Choose the right filling type

 

Bow-shaped filling: the highest marking efficiency, sometimes there will be problems with connection lines and unevenness. When marking thin graphics and fonts, the above problems will not occur, so bow filling is the first choice.

Two-way filling: The marking efficiency is the second, and the effect is good.

One-way filling: the slowest marking efficiency, rarely used in actual processing.

Shape filling: It is only used when marking thin graphics and fonts, and the efficiency is similar to that of bow filling.

Remarks: In the case of not requiring detailed effects, the use of bow filling can improve marking efficiency. Two-way filling is the best choice to ensure effect and efficiency.

 

2. Choose the right field lens

 

The larger the focal length of the field lens, the larger the focused spot; under the same spot overlap rate, the filling line spacing can be increased, thereby improving the marking efficiency.

Remarks: The larger the field lens, the smaller the power density. Therefore, it is necessary to increase the filling line spacing while ensuring sufficient marking energy.

 

3. Choose a high-speed galvanometer

 

Ordinary galvanometer, the maximum scanning speed can only reach two to three thousand millimeters per second; high-speed galvanometer, the maximum scanning speed can reach tens of thousands of millimeters per second, effectively increasing the marking efficiency. In addition, when using ordinary galvanometers to mark small graphics or fonts, deformation is prone to occur, and the scanning speed must be reduced to ensure the effect.

 

4. Set an appropriate delay

 

Different filling types are affected by different delays, so reducing delays that are not related to the filling type can improve marking efficiency.

Bow fill and round fill: Mainly affected by the corner delay, it can reduce the turn-on delay, turn-off delay, and end delay.

Two-way filling and one-way filling: Mainly affected by the light-on delay and light-off delay, it can reduce the corner delay and end delay.

Note: Thick graphics and fonts are less affected by the delay, so the delay can be reduced appropriately. Thin graphics and fonts are greatly affected by the delay, and the delay can be increased appropriately.

 

5. Choose the right laser

 

For lasers that can be used for the first pulse, adjust the height of the first pulse, and the light-on delay can be 0. For two-way filling and one-way filling, which often switch light, it can effectively improve the marking efficiency.

펄스 폭과 펄스 주파수를 독립적으로 조정할 수 있는 레이저를 선택하면 높은 스캐닝 속도에서 초점을 맞춘 후 일정량의 겹침을 보장할 수 있을 뿐만 아니라 레이저 에너지가 재료의 파괴 ​​임계값에 도달하고 재료 가스 변경.

 

6. 재료 가공

 

예를 들어, 좋은 (두꺼운 산화물 층, 균일 한 산화, 와이어 드로잉 처리 없음, 미세 샌드 블라스팅) 양극 산화 알루미늄, 스캔 속도가 초당 2 ~ 3 천 밀리미터에 도달하면 매우 검은 효과를 낼 수도 있습니다. 열악한 알루미늄 산화물, 스캔 속도 초당 수백 밀리미터에 도달할 수 있습니다. 따라서 적합한 가공 재료는 마킹 효율을 효과적으로 향상시킬 수 있습니다.

 

7. 기타 조치

자외선 레이저  | 녹색 레이저  | 자외선 레이저  | 자외선 dpss 레이저  | 나노초 레이저  | UV 레이저 소스  | 고체 레이저

"채우기 선을 고르게 분배"를 선택하십시오.

두꺼운 그래픽 및 글꼴을 표시하려면 "윤곽선 활성화" 및 "한 번 걷기"를 제거할 수 있습니다.

효과가 허용하는 경우 "고급" "점프 속도"를 높이고 "점프 지연"을 줄일 수 있습니다.

채우기 위해 여러 부분으로 적절하게 분할된 광범위한 그래픽을 레이저 마킹하면 점프 시간을 효과적으로 줄이고 마킹 효율성을 향상시킬 수 있습니다.