51吃瓜

??? ??? ??? ?? ??????? ??? ??? ??? ?????? ?? ????? ??? ?? ??? ??? ??? ?? ????? ??? ???? ??. Sheet metal is processed by cold working technology, so its compressive strength is relatively high and a little hard. ?? ?? ????? ???? ??? ?? ???? ???? ?? ????? ?? ?? ????? ?? ??? ???? ?? ??? ???? ???? ????? ??. ??? ????? ?????? ??? ???? ?????? ?? ?????? ???? ?? ?? ??? ??? ???? ???? ?? ????? ??. ????? ???? ??? ??? ??? ???? ?? ???? ??????? ????? ?????? ??? ???? ???? ??? ??? ???? ???? ??????? ??. Sheet Metal Processing is used to produce high-quality electronic and electrical components, boost the communication industry, and manufacture automotive shells and integral bodies for vehicle manufacturing processes. ?? ?? ?????? ?? ?? ????? ????? ?????? ?? ?????? ??? ????? ?? ??? ??? ??????? ??? ???? ??. ??? ???? ???? ??? ??? ?????? ?? ??? ??? ???? ??????? ??? ???? ?????, ????? ??? ?????? ????? ??? ??? ???? ????? ???? ??.

??? ??? ???? ?? ????? ??? ??? ????? ???? ???? ???? ??? ???? ???? ???? ???? ?? ???? ???? ?? ??????? ?? ??? ????? ???? ????? ??????? ???? ??? ?? ???? ?? ???? ?? ????? ???? ??? ???? ?? ????? ?? ???? ?? ????? ?? ???? ???? ?????? This type of sheet metal processing method can process holes in 1/6 thick steel plates. Single pulse laser cutting conditions with low frequency and high output power can reduce heat output and improve laser cutting conditions. ????? ?? ???? ???? ?? ??? ?? ????? ????? ????-?????? ????? ??????? ?? ????? ??? ????-??????? ????? ?? ????? ???? ?? ??? ?? ???? ???? ??? ???? ?? ??? ?? ????? ????? ?? ???? ??? ??? ????? ??? ?? ???? ???? ?? ??? ????? ?? ?? ????? ?????? ?? ??

???? ??? ??? ???? ????? ?? ?????? ??? ?????? ??. ?? ??? ?? ?????? ???? ??????? ?? ??????? ???? N2 ??? ?? ????? ?? ??? ???? ??? ?? ????? ???? ????? However, due to the relatively high temperature environment in the small circular hole, the internal structure often experiences slag accumulation. ?? ?? ?? ?? ??? ?? ??? ???? ???? ???? ?? ???? ????? ???? ??? ??????? ?? ???? ???? ????? ???? ??? ?? ??????? ???? ??????? ?? ???? ????. ?? ??? ??? ?????? vapor ?? ??????? ???? ?? ?? ?? ???? ???? ?? ???? N2 ?? ??????? ???? ??? ???? ???? ?? ?? ???? ????? ????? ?? ???? ?? ????? ?? ??????? ?? ??? ??? ???? ????? ???? ?? ??? ?? ???? ???? ?? ????? ??.

???? ?? ?????? ???????? ?? ???? ??? ??? ??. ??? ?? ?? ??? ???? ???? ??? ???? ?? ??? ?? ?? ?? ????? ?? ??? ?????? ????!