51吃瓜

Summary of mechanical processing procedures and price estimation

??????? ?????? ???????:

1) ?????: ???? ????? ???????? ?????? ?? ?? ?????????? ??????? ?? ??????? ?????? ??????? ????. (??????? ?? ??? 5-8 mm ???? ??? ? ??? ??? ????)

2) ?????? ???: ??????? ?? ?????? ??? ???? ????????? ?????? ? ?????? ???? ?????? ??? ???? ?? ???????? ?? ???? ????? ???? ?????? ??????? ??????? ???? ?? ??? ??????.

3) ????? ????: ????? ???? ?? ????? ???? ????? ? ????? ???? ???? ????? ?? ???. ?? ????? ?? ????? ????? ???? ???? ??? ???? 24 ???? ?? ????? ???? ????? ?? ???? ?? ?? ?????? ?? ????? ?????? ?? ???? ??? ?? ?? ???? ???? ???? ?? ???? ???? ????? ?? ???. ??? ????????? ??? ??? ?? ????? ?? ????? ???? ? ??????? ??? ?? ?? ??? ?????? ???? ?????? ???? ????.

4) ?????? ???????????: ??? ?? ??? ???? ???? ???? ?? ????????? ?? ????? ??????????? ??????? ? ???? ??? ?? ??????????? ?? ???? ????? ??? ?????? ??????????? ???.

5) ????? ????: ?? ???? ????? ?? ??????????? ?? ?? ???? ????? ???? ????? ???? ???? ????? ?? ?? ??????????? ?? ?? ???? ????? ???? ????? ????? ????. ???? ????? ??? ?? ??????? ???? ????? ????????? ????? ???? ??????? ??? ?? ????? ???? ?? ???????? ???? ?????? ???????.

6) ?????? ???: ??? ?????? ?? ?????? ????? ?? ????? ?? ??? ??? ??????? ?? ???.

1. ?????: ???? ?????? ?????? ?????? ?????? ?????? ?????? ?????? ?????? ?????? ?????? ? ????? ???????? ?? ????? ???.

2. ????? ????: ????? ?? ???? ???? ???? ????? ?????? ????? ????? ? ???? ????? ??? ???? ????? ?? ??? ??? ?? ?????? ????? ???? ??? ???? ? ?? ?? ????? ???? ???? ???? ??????? ????.

3. ????? ???? ?????: ???? ?????????? ?? ?? ??????? ??? ? ?????? ???? ?????? ???? ?????? ?? ?? ????? ???? ????? ??????? ????.

4. ??????: ?????? ??? ???? ?? ?? ???? ????????? ? ???????? ????????? ???? ????? ??? ??? ???? ??? ???? ????.

7) ????? ???: ??? ?? ???? ???? ?????? ????? ???? ????? ??? ????? ??????? ??????? ??????? ????? ??????? ???? ??????? ???? ????? ????? ? ??? ?? ?? ???? ?? ??? ??? ???? ????? ????? ??????? ? ?? ??????? ???? ????? ???.

8) ??????: ???? ????? ???? ???? ???? ??? ??????? ???? ???? ??????? ???? ??? ?????????? ????? ? ???? ???? ??????? ?????? ?? ??????? ?????.

9) ??????? ? ?????: ??????? ?????? ????? ??? ?? ???? ???? ? ???? ?? ?? ????????????? ?? ?????? ????? ?????? ? ??????? ???? ?? ?? ????? ????.

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

1) Materials: Calculate material costs based on the density and price of materials required for different workpieces. . ρ= M/v)

2) ???? ???: ?? ??? ???? ???????? ?????? ???? ? ???????? ?????? ??????? ???? ?? ???? ?????? ???? ? ????????? ???? ??????? ?????? ??????. (?????? ????)

3) ????? ????? ???: ???? ?? ???? ?????? ????? ??? ??????? ?? ???? ????? ??? ???? ???? ?????? ?? ???.

4) Profit: According to the operation and scale of the company, the profit quotation proportionally based on the above prices calculate.

5) ??????: ???? ?????? ?? ???? ???? ???? ? ???? ?????? ?? ???? ???? ???? ?????.

6) ??????: ????????? ????? ?? ???? ??????? ?????? ?????? ??????? ??????. (?????? ???? ???? ?????? ?????? ????? ????? ? ??? ?? ?? ???.)

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

???? ???? ??? ?? ?? ?????? ?? ???? ???? ???? ??????=???? ??????+???? ??????

???? ?????? ?? ???? ???? ??????? ???? ???? ???? ?????? ?? ??? ??????? ????? ????? ??????? ???? ?????????? ?????????? ????? ???? ?????????? ?????????? ????? ???? ?????????? ??? ? ?????????????? ???.

???? ?????? ???? ???? ?????? ?? ?????? ?????? ???.

4 ? ??? ??????? ????????? ????? (??? ??? ???? ??????? ????? ????? ??? ???? ?????? ????? ??????)

????????? ?????? = (????????? ????+????????????) ?.?~?.?

????? ????=??? (density * volume) * ???? ???? (yuan/kg)

?????? ?????=??????? ?????? * ???? ???? (????/????)

5? ???? ????????? ? ????? ??????:

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

? ? ??? ????? ??? 3D

??????? ?? ???? ??? ???? ??????? ?????? (????/?) (??? ????? ???? ???? ?????? ????????? ???????? ?? ??????)

???? ???????? ??????? ??????? ??????:

????? 9:

1) Welding rod welding: mainly used for welding between iron and iron. The oxide layer on the surface of the welding rod can be used to isolate air and protect the weld bead.

2) ????? ??? ??????: ??????? ?? ??????? ???? ?? ????? ??? ?????? ???? ????? ?? ???? ?????? ?? ?? ???? ????? ??????.

3) ????? ?????????: ?????? ??? ????????? ??????? ?????? ?? ??? ????? ?? ?? ????? ??? ???????? ???? ????? ?? ???? ????????? ??????? ??????. ???? ????????? ???? ??? ? ????????? ??? ? ???? ???. ???????? ?? ??????? ??????? ?????? ?? ?? ???????? ????????? ? ????????? ??????? ??????.

4) ??????????? ???: ??? ???? ???? ????? ????? ???????? ?? ??????? ????? ?? ?? ??? ???? ??????????? ????? ?????? ??????? ??????.

5) ????? ??? ????: ?? ?? ???? ?????? ????? ??? ??? ???? ???? ???? ??????? ??????? ? ????? ?????? ?? ???? ? ???? ??? ?? ??? ? ???? ??????? ??????. ??? ???? ???? ???? ???? ????????.