51吃瓜

????? ????? ?????? ??? ??? ??? aviation ??????????, ?????????? ????????? ??????????? ????? extensively ?????? ?? ???????????? ??? ????? ??? ?????????? ????????????? ???. ????? ??? ??? ?????????? ?????? ??? ????????um ??????, ????? ??? relatively ??????? ??????????? ??? ???????? ??????????????, ??? ??? ????????????? ??????? ?? ???? ???? ???-????????? ??????, ???????? ???? ??? ???? ?????? ???????? ?????? ??? ??????? ???

1,????? ????? ??????? ????? ??????????????????????

?? ????? ?????? ??? ????? ????? ?? ????????????? ???? ????????um ?????? ????? ???? ???????????, ????? ????? ????? ??? ??? ??????????, ???????? ???? ?? ?????, ??? ????????? ???????????, ??? ??? ?????????, ??? ????? ????? ?? ???????? ???????: ????????? ???????????????????? ???? ?????, ????????? ???????????? ???? ?????????? ???? ??????????

2, ?? ?????????????? ?? ????? ????????? ?? ???????????? ??? ????????????????????

1. ?? ???????????? ??? ????????? ??????? ???? ??? ?????

??? ????? ???? ?????????? ????? ????????? ????? ??? ?????????? ???????? ?? ?????? ??????? ??? ????????? ????сс ??? ??? ????? ??????????? ????? ?????? ????? ????, ????? ?? ?????? ????????, ??? ?? ???? ????? значительно??????????????? ???? ??????????. ??? ??? ??????????? ?? ???????? ????? ???? ??? ????? ???? ??? ???????????? ??? ???????? ???? ???? ????, ????? ??? ???? ????? 減少 ?? ???????????????????? ??? ???????? ????????, ???? ??? ????? ???? ????????? ?????? ?????

2. ??? ???????????? ?? ?????????? ??? ????????

?? ????????????? ??? ?????????? ????????????? ???? ??????????? ????? ?? ?????????? ?????????? ??? ????? ??????????? ??? ????? ???? ?? ???????? ??? ???????

?????9312; ????? ?????? ????? ?? ??????????? ????????????? ???? ??? ??????? ????????????

???????: ???? ????????? ?? ?????????? ???? ??? ?????, ????? ?? ????? ??????? ???????, ????? ??? ????? ????? ??? ???????? ?????, ????? ???? Reduce ???????? ?????????????, ???? ??ip ??????? ?????, ??? ?????? ???? ??? ??? ??? ???????????? ??? ???????? ???????????????

??????????? ??: ??? ???? ???? ??? ??????????? ?? ???? ?? ???? ???? ??? ????? ???? ??? ??????????? ???? ???????? ?????????? ??? ??? kwalitet ???? ??? ???????? ????????? command ??? ?? ??? ????????? ???????????, ????? ?? ????? ???????????????????????, ?????? ???????? ???????????, ??? ???? ????????????????????, ???? ????? ????????? ??? ???? ???????????? ??????, ??? ?? ?????? ??? ?? ???????? ????? ???? ???? ????, ??? ???????? ?? ???????? ?????? ?? ????????????? ?????????? ??? ?? ????????? ??????????, ??? ??????? ?? ??????? ???????? ???? ??? ??????.

???????????: ????? ??????????? ????? ????NG ??? ??????????? ????NG???????, ???? ??? ??????????? ??? ????????????? ?? ???? ??

?????

????????? ??????????????

Reduce the number of milling cutter teeth and increase the chip space ????? ?? ????? ????????? ??? ????????um ????? ??????????? ??? ???????? ????????????????????? ???? ????????, ??? ??? ?????????? ?? ?????? ??ip ????. ???????, ??? ?? ????? ?? ????? ?? ??????? ??ip ???????? ?????? ??????? ??? ???? ?? ????, ?????? ??????? ??? ?? ???????? ??? ????????? ??? 20mm ???? ????? ????; ?'??? ????? ?? ???? ???? ???? ????? ?????? ??????? ??? ?? ???????? ??? 30-60mm ??? ?? ????? ?? ????????????? ??? ???-????????? ????????? ????? ??????? ??????? ???? ??ip ??????????

???????????? ????????? ????: ??? ????????????? ??????? ???? ??? ???? ????? ???? ?? ???? ???? ???? ????????? ??? ???=0.4??. ????? ???? ?? ???? ?????, ?? ???? ???? ??????? ????? ??? ?? ????? ????????? ??? ?????? ??? ?????? ?? ??? ?? ликвидации ???? ????????? ??? ????? ?????????? ????? ???? ?????????. ????? ????? ???? ????? ???????? ????? ??? ?????? ????????????, ????? ???????? ????????????? ??? ???? ???????? ?????.

??????? ????????? ???? ????? ????? ????????????: ???? ????? ?????, ????????? ???? ??? ??????????? ??????? ???? ?????? ???? ???, ??? ?? ??????? ???? ??? ???????, ??? ?? ??????? ?? ???????, ?????? ???? ????????? ????????????????? ??? ??? ????? ???????, ??? ????? ????? ?????????? ???? ???? ?????snieg? 0.2mm, ??????? ??? ?? ????? ?? ?????????? ??ip ?????????. ??? ?????????, ???? ?? ???????????? ???? ??? ?????? ???? ?????????? ??? ????? 100 °C ?? ???????????? ?? ???????????.

? 931414improving the clamping method of workpieces

????? ???????????? ????????um ?????? ??????????? ??? ?????? ?????????, ??? ??? ???? ?? folgje??? ??????????????????? ?? ???????????? ?? ?????????????:

????? ???-????????? ????????????, ???? ?? ????? ???? ??? ???????? ????? ????? ??????? ????? ??? ?????? ?? ???????? ??????????, ?????? ????? ???? ???????????, ??? ?????? ???? ???? inevitably ??? ??????????? ???? ??? ???? ???? ??? ????????? ????????? ??? ?? ???? ?????. ???? ?? ????????? ????? ???? ??? ???????????? ????? ?????????, ????? ?? ????? ???? ?????????? ??? ???? ?? ??? ??? ????????? ????? ???? ??? ????????????. ???? ?? ??????? ???? ?? ????? ?? ??? ???? ??? ?? ??????????? ??? ????????? ?????, ??? ??? ?????????? ???????????deformation, ??????? ?? ????? ?? ????????????? ????????????????.

??? ??????????? ???-???????? ??? plate ????pieces, ??? ?? ????? ?? ???? ????????????? ?? ???????? ?????? ???????? ?????????? ?????, ??? ?????? ???? ??????? ???????? ?????? ?? ???????????, ????? ??? эффективно ??????????? ????

???? ??? ??? ???? ?? ??????????????. ??? ??? ?????? ?? ??????????? ??? ?????? ???? ?? ????????? ??? ???????? ????????. ?? ????, ??????????? ???????????? ???? contends 3% -6% ?????????? ?????? ??? ??? ?????????, ??? ???? ???????????, ???????? ??? ????????? ??? ??????? ????? ???????? ??? ??????? ??? ?????????? ??? ????? ????????.

?????9315???? ???? ?? ???????? ???????????

????? ??? ????????????? ???????????, ????? ?? ??????? ?????????????????? ??? ??????????????? ????????, ??? ?????????? ????? ????? ??? ?? ?????? ????????, ???? ?????? ????? ???????????????? : ??????????? ????? ?????? ??? ??? ???????????, ??? ?????????????? ????? 半????????????????? ????? ?????????????????. ???? ????? ??????, ?? ?????? ??? ??????? ???????????, ????? ????????? ?? ????????? ???????? ???? ??????? ???? ????? ?????? ??? ???????????? ?? ???????????. ?? ?????????? ??????? ???? ????? ?????? ???? ???? ?????? ??? ??? ?????????????, ?????????? 1-2mm. ??? ?????????????? ???? ?? ?????????? ???? ?? ?????? ?????? ?? ???????????? ??????????????????, ?????????? ????? 0.2-0.5mm, ?? ?????? ?? ??????????? ??? ?? стабильном ???????? ???? ?? ???????????????. ???? ??? ?????? ???

3, ??????????? ???????

?????? ?? ????? ???? упомянут? ?????, ??? ??? ??????????? ????? ??? ????? ??????? ????? ?? ??????????? ???? ??????????? ?????? ???? ??? ????????.

(1) ????? ?????? ??? ??????? ????????? ?????, ?? ??????? ????? ??????????????????? ???????? ??? ?? ?????????? ?? ???????????????????? ???? ?? ????????? ????????, ???? ??? ???? ??? ?? ??? ?? 90mm ????? ?????? ?????????? ???? ????? ??? ??????????? ?? 60mm, ????? ?? ?????? ????? ???? ?????? ???? ?????, ??? ??????????? ?? ?? ?? ????? ???? ??? ???? ????, ??? ????????? ???? ????????? 5mm; ??? ??? ???? ?????? ???????? ???????? ??????, ???? ????? ?????? ????? ???? ?? ??? ????????, ??????? ?? ??????????? ??? 0.3mm.

(2) Reduce cutting force and cutting heat by changing cutting parameters. ?????? ?? ???? ???????? ??? ????? ?????????????, ??? ?????cutting ????????? ???? ?? ??????? ????? ????? ?????. ??? ???? ?????????????????? ??? ?? ???? ??? ?? ???????? ???????? ???? ???? ?????????? ??? ?? ????, ??? ?? ??? ??? ????? ?????? ?? ??????????????????, ????? ???? ?????????? ?? ???????? ???? ??? ????? ??? ?? ??????? ???? ?????cutting ??? ??? ????????????, ??? ?? ???????????? ???? ??????????. ????? ??? CNC ??????, ???????? ?????? ??? ?????????? ??? ?????????. ???? ????????? ?? ??????? ???? ?????cutting ??? ?????????? ?? ????????????? ??? ?? ??????????????? accordingly, ????? ??? ??????????? ?? ????????????? ???? ??????????????.

(3) ??? ?? ????? ?????????? ?????? ???? ?? sheet ????????? ?????, ?? ??? ???? ??? ???????? ?? ???? ?? ????????? ?????????????????? ??? ???? ?????? ??? ???????????, ??? ??? ??? ?????? ???? ??????? ???????? ?????????????? ??? ????????????? ??? ????? ??????

(4) ???? ????? ???????????? ??????? ????????????? ???? ??????????? ????? ??????????, ????? ??? ????? ?? ????? ????? ???? ?????????? ?????????. ?? ????????? ??? ????????????? ???? ??? ???????????, ?? ?????????? ???? ??? ????? ????? ??????? ????????? ?? ???? ?????? ??? ?????????? ?????? ???????? ?? ????? ????, ????? ??? ??????????? ?? ?????????? ?? ????? ????гинал? ?????. ??????, ?? ??? ????? ?? ???? ?????????? ??? ??? ????, ??? ????? ??? ???????????? ??? ?????????? ?????? ??? ?????? ???? ??? ???????? ?????, ??? ?? ?????????? ?????? ???? ??? ?????????? ??? ??? ??????? ??? ??? ???????? ??? ??? ?????????. ???? ??? ??????? ??? ????????? ??? ??? ????????? ??? ???? ?????????, ??? ??????

(5) The order of cutting should also be considered carefully. ??????????? ???????????? ?????????? ?? ????????? ????????????????????? ??? ?????????? ?? ??????????? ???? ??????????????, ??????? ??? ?????????? ??????. command ??????????? ?????? ?????????? ???? ?????????? ??? ???? kwalitet, ??? ??? ?????? ?? ???? ???????????? ??????. ???? ??? ??????? ????? ?? ???? ?? ?????, ??? ??? ???? ???? ?????? ????????????, ??? ?? ???? ???? ?????? ???????????? ??? ??????????? ??? ???.

(6) ???? ??????????? ?????? ??? ??????????, ??????? ???? ?? ????? ?? ?????? ?????? ??????????? ??pene??????? ??? ???? ??? ?? ????????, ????? ??? rezultate ??? ??????? ??ip ???? ????? ??? ?????? ??????, ???????????, ????????????, ????? ????????, ??? ??????, ??? ?? ?????????? ??? ??? ???????? ???? ????? ???? ???? ?????? ??? ??? ????????????? ?? ????? ??? ?????, ??? ?????? ??? ??? ????????????? ????? ??????. ????????????, ??? ???????????????? ?????????? ??? ??? ?????????? ???? CAM ??????????.

4,

????????? ??????????? ??????????? ??? ????????? ????? ???????? ????? ????? ????? ???? ??????. ???????? ????????um ??? ????????um ?????? ????? ??? ???????????? ??? ???????????????, ????? ??? ????? ???????? ?? ???????? ????

(1) ?????????? ???????????зайн? ????????????? ???? ????? ??????? ????? ??????????? ???? ??????????? ?????? ??-???????? ?????? ?????? ??????? ????? ?????? ??? ?????????, ??????????????

(2) ????????? ????????? ???? ????????um ????? ???? ??????????? alloy ??-???????? ???????????? ???? ??? ???? ??????? ???????? ???? ???????-???????? ??? ????????? ????????, ????? ????? ??????? ??? ???????, ????? ????? ??? ????????? ????? ?????????. ?? ????? ????????? ??????????? вещества ??? ???? ???????, ??????? ???????, ????????????????? решения, ??? ?????? ????? ???? ??? ?????????? ??? ???

(3) Inadequate warehouse management. ??????????? ??????????? alloy die-casting ?????? ???? ??????? ??? ??? ??? 倉庫? ??????? ??? ??????? ???? ??? ????? ?????????.

(4) External environmental factors of aluminum alloy. ????????? ??? ?? ???????? ?????? ???? ??? ??? ???? ?? ???????????, ?????????, ????? ?????? ????????? ?????? ????? ???????????? ??? humidity ????????, ????? ??? ????? ?? ?????????????????? ??? ??

(5) improper selection of cleaning agents. ??? ???????? ??????? ?????? ???? ????? ?????????????????, ????? ??????????? ??? ????idation ???? ??????? ?????????.