????? ?? ???? ????? ??? ??? ????? ?????? ?? ??? 2021 ??? 51.3 ????? ??? ????? ??? ??????? ??????? ?????? ?? ??????. ????? ???????? ?????? ????? ??????? ??????? ?? ??????? ??????? ??????? ?????? ????? 26000 ???? ????? ??? ?? ??? ??? ??? ????????? ??????? ???? ????? 120 ????? ????. ??? ???? ?? ??????? ???????? ????? ????? ??????? ?????? ?? ??????? ???????? ????? ?? ??????? ???? ????? ?????? ???? ??????????? ???? ?????? ??????? ???????? ?????? ???????? ?????? ?? ???????. ?? ??? ?????? ?? ???????? ??????? ??????? ?????? ?? ??????? ?? ????? ???????? ??????? ??????? ??????????? ??? ????? ??????? ??????????? ?????? ?????? ??????????? ??????? ???????? ???????? ?????? ????? ????????? ????? ?? ?????? ??????? ????????? ??????? ??????? ????????? ?????? ???????? ??????? ?????? ???????? ???? ???? ?????? ????????. ?? ??? ??????????? ????????? ??? ????? ??? ????? ?????? ????? ???? ???? ?????? ?? ????? ??????? "???????? ????????" ??????????? ??????? - ?????? ???? ?????? ???? ?????? ???? ????? ????????? ?????? ??????? ?? ??????? ??????? ??? ??????? ?????? ? "?????? ???????".

?? ??? ??????? ???? ????? ??????? ??????? ?????? ??????? 3DP (???????? ????? ???? "????? ??????? ?????? ??????? ??????? ??????? ???????") ?? ???? ???? ?????? ??? ????? ?? ??????? ??????? ??????? ??????. ?? ??? ??????? ?????? ?? ??? ????? ??????? ?????? ??????? ??????? ??????? ???? ?? ?? ????? ????? ?? ???? ?? ????? ???????? ??????? ????? ??????? ???? ?????? ??? ?????? ??????? ??????? "???????? ??? ?????????"? ????? ??? ???? ??????? ?????.

?? ????? ?????? ????? ?????? ??????? ?????? ?????? ?? ????????? ?????? ???????? ?????? ?????????? ????? ??????? ?????? ????? ??????? ???? ??? ????????? ??? ???? ????. ??? ??????? ?? ????? ???????? ???? ????? ?? ???? ????? ????? ?? ????? ????? ?????? ?? ??????? ???????? ?????? ??? ????? ???? ???? ?? ???? ?????? ?????? ??????? ?????? ????? ?????? ?????? ????? ??????? ???? ????? ?????? ?? ????? ??????? ?? ??????? ?????? ?? ????? ???? ???? ????? ???????? - ??? ???? ?????? ??? ????? ?? ?????? ??? ?????? ?????? ????? ???? ?????? ????? ?? ???. ?? ??? ?????? ? ???????? ??? ????? ???? ???? ? ?? ????? ????? ????? ??? ??????? ??????? ?? ??????? ???????? ??????? ?? ?????. ?? ????? ???? ? ??? ????? ??? ?????? ????? ????? ????? ?????? ?? ???? ?????? ?? ??????? ? ??? ???? ??????? ?????? ?????? ?????? ?????? ?????? ????? ????? ???? ?????? ? ??? ???? ??? ?????? ?? ????? ?? ???? ???? ?? ????? ?????? ? ???? ???? ?? ??????? ? ?????? ??? ???? ????? ?????? ????. ?????? ??? ??????? ?????? ?????? ????????? ??????? ??? ?? ????? ?? ????? ???? ?????? ?????? ??? ?????? ????? ???? ???? ?????? ??? ???? ?????? ????? ??????? ???.

???? ?? ???? ???? ????? ??????? ?????? ?????? ??????? ?????? ??????? ??? ?? ???? ??? ????? ????? ??? ??????? ???? ????? ??? ?? ?????. ?? ????? ??????? ????? ??????? ?????? ?????? ??????? 3DP ?????? ????? ???????? ?? ??????? ???????? ????? ???? ??? ???? ????? ?????? ???? ???? ?????? ???????? ??????? ?????????. ??? ?????? ?? ??? ????? 3DP? ???? ????? ????? ????? ?????? ????? ?????? ?? ????????? ?? ??? ??????? ?????? ????? ?????? ??? ???? ?? ???? ?????? ?? ????????? ?? ???????. ?? ??? ??????? ?? ???? ??? ????? ????? ??????? ????? ??????? ????? ????? ????? ??? ??????? ?? ????? 10 ?????? ?? ????? ???????? ??????? ??????? ???? ?? ????? ???? ?? ???? ??? ??? ?? ?????????? ??????? ?? ?????????? ??????? ????? ???????? ?? ???? ??????? ???? ????? ???? ?? ????? ??????? ??????? ?? ???? ??????? ??? ???? ?? ????? ??????? ???????? ?????????? ????????? ????? ????.

?? ??????? ???????? ?????? ??? ?? ??????????? ?????? ?? ?????? ????? ????????? ??????? ??????? ?????? ??????? ?? ????? ?????. ???? ???? Beijing Longyuan Automatic Forming System? ???????? (??? ???? ????? ????? SANDI Technology? ????? ????? ???? "Longyuan Forming")? ??? ???? ????? ?? ???? ????? ??????? ?????? ??????? ??????? ????? ????? ???????? ?????? ?????? ????? AFS-J1600 ? AFS-J2100 ?? ????? ??????? ????? ???? ?????? ????? ???? ???? ????? ??? ?? 15 ?????/???? ??????? ?????? ???? ??????? ???? 1000 ????. ?????? ??????? ?????? ???? ??????? ???? 1000 ????? ?????? ???? ????? ???? ????? ??????? ??? ????? ?????? ???????? ?????????? ??????? ??????? ????? ??????????? ?????? ??????? ?????? ?? ?????????? ??? ????? ??????? ????? ?? ????? ?????? ??????? ??????? ???????.

Ltd. ???????? ?? ?????? ????? ?????? ??????? Longyuan Forming 3DP ?????? ????? ?? ??? 2021? ????? ??? ???? ??? ????? ????? ????? ??????? ?????? ???????. ??? ?? ???? ????? ???? ??? ?????? ????? ?? ????? ????? ??????? ??????? ?? ??????? ??? ??????? ?????? ?????? ??????. ??? ?? ????? ????? ??????? ??? ?? ????? ???? ??????? ??????? ???????? ???????? ??? ?????? ??????? ??????? ?? ???? ????? ????? ???? ????? ????? ?????? ????? ???? ??????? ????? ????? ?????? ????? ?????? ????? ?????? ???? ??????? ?????.

?? Xinxin ?? ???? ?? ???????? ?? ????? ????? 3DP ???????? ????? ???? ?????? ?????? ?????? ?????? ????? ?????? ????? ??????? ????? ?????? ???? ?????????? ???? ?????? ????? ??? ???? ??????? ????????? ????? ??????? ?????? ???? ?? ??? ????. ?? ????? ????? ??????? ?????? 3DP ???? ?????? ?????? ?????? ?????? ?? ??????? ????????? ???? ????? ???? ???? ??? ??? 2MPa? ?????? ??? ???? ??? ?? Ra12.5? ??? ?????? ?? ?????? ???? ???? ??? ???? ????? ?? ?????? ?? ?????? ?? ?????? ?????? ??? ???? ???? ????? ?????. ?????? ????? 10 ???? ??? ?????? ????????? ??????? ?? ?????? ????? ??????? (HT250)? ??? ????? ???? ??????? ?????? 2/3? ??? ????? ??????? ?????? 30%.

????? ???? Xinxin Casting ????? ???? ?????? ?????? ?? ???? ????? ????? ?????? ??????? ?????? ??????? Longyuan Forming ?????? ????? ?????? ???????? ????? ????? ?????? ?????? ?????? ???????? ??????? ???? ??????? 40 ????? ??? ?? ??????? ?????? ?????????. ????????? ???? ?????? ???????? ??????? ?????? ??????? 3DP? ??? ??? ??????? ?????? ??????? ??????? ??? ????? CT7? ????? ????? ????? ??? ?? Ra12.5 ????????? ????? ??? ???? ?????? ?? ?????? ???????? ???????? ????? ????? ?????? ??????? ??????. ?? ????? ??????? ??????? ?? ????? ?????????? (ZL101) ?????? ?? 6 ????? ??? ??? ??? ????? ???? ??????? ?????? 85% ?????? ??????? ?????? 32%.

??? ??????? ?? ???? ??? ??? ????????? ??? ???? ?? ????? ???? ???? ?? ??????? ??????? ????? ?????? ??????? 3DP ??? ???? 24 ???? ?? ??????? ???????? ????? ??????? ??????? ??????? ??????? 20 ???? ?? ????? ????? ?? ????? ?? ????? ????? ????? ?? ?????. ????? ???? Xinxin Casting ?????? ?? ?????? ????? ?????? ??????? 3DP ?? ?????? ???????? ?????? ?????? ????????? ??????? ??? ???? ?? 100 ?? ???????? ????? ???? ??????? ?????? ?? ???? ?? 100 ????? ???? ?? ?????. "?? ????? ??????? ?????? ????? ???? ????? ??????? ???????? ??? ?? ????? ??????? ?????? ????? ??????? ??????? ?????? ?????. ??? ????? ????? ????? ??? ???? ??????? ?? ?? ??????? ???? ????? ??? ????? ????? ?????? ???? ????? ????? ??? ????? ??????". ?? ?????? ?? ????? ???? ????????? ?? ???? ???? ?????? ??????? ??????? ??????? ??????? ???? ?????? ?? ???? ?? ???? ????????? ?????? ????? ???????? ?? ????? ??????? ??? ????? ??? ??? ???? ???? ?????? 3D ??????? ??????? ?? ?????? ???? ??????? ?????.

???????? ????? ????? ??????? ?????? ?????? ??????? 3DP ????? ????? ????? ???????? ???? ???? ?????? ?? ????????? ?????????? ?????? ?????? ?????? ??? ?? ??????? ???? ???? ??? ????? ????? ??? ?????? ???? ??? ?????? ???????? ??????? ????????? ??????? ?????? ???????? ???????. ?? ?????? ?? ????? ???????? ????????? ?? ???? ????? ??????? ????? ???????? ???????? ????? ??? ?? ??????? ??????? ???????? ?? ?????? ???? ????????? ?? ??? ?? ??????? ????? ??????? ?????? 3DP ?????? ??????? ?? ?????? ??? ????? ??? ????? ???? ????? ???? ??????.

[???? ?? ???????? ???????
???? Longyuan AFS ???????? ?? ???? ????? ????? ????? ??????? ?????? ???????? ??? ????? ?? ????? ??????? ?? ????? ???? ???? ??????? ??????? ?? ???? ??????? ?????? ??????? ????????. ?? ??? 1994? ???? ?????? ??? ????? ????? ?????? ??????? ?????? ??? ???? ????? ????? ?????? ?? ????? - ??? ????? ??????? ??????? ??????? ?????? ?????? ????????? ?? ????? ???????? - ??? ????? ?? ????? ??????? ?? ????? ???? ???? ????? ????? ??????? ???????? ?????? ???????? ??? ????? ????? ????? ???????? ?????? ????? ??????? ?? ????? ???????? ?????? ?????? ?? ????? ???????? ?????? ?????? ?? ????? ?????? ??????? ??????????? ???????? ??????? ?????.
???? ???? Lonrun ??? ????? ??????? ?????? ??????? ?????? ???????? ?????? ?????? ?? ???? ?? 30 ????? ?? ?????? ?? ????? ??????? ?????? ???????? ?? ???? ???? ???????? ?????? ??? ?? ??? ?????????? ????? ??????????? ???????? "???????" ???? ???????? ??????? "???????"? ?????? ???? ???? ???. ?? ???? ??????? ????????? ??????? ????????? SLS ?????? ??????? ???????? ????????? ??????? SLM? ???????? ??????? ?????? ??????? 3DP? ???????? ???????? ??????? ????? BJ? ???????? ??????? ??????? DED ?????? ???? ?? ??????? ??????? ??? ???? ????? ????? ??????? ?????? ?? ?????? ?????? ?????????? ???????? ??????? ???? ??????? ????? ?????? ?????? ?????? ???????? ??????? ??????? ??????? ????????? ???????? ?????? ??????? ???????? ???????? ?????? ?? ????? ??????? ??????. ???? ?? 1,000 ?????? ?????? ??????? ????????? ?? ?????? ?????? ????????? ????????? ??????? ?????? ?????? ???????? ????? ???? ????? ?????? ?????? ????? ????? ??????? ??????? ?????? ?? ????????.