51吃瓜

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

1, ??????????????? ??????????????????:

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

2) ?????? ????????: ???? ????, ?????? ??????, ????? ???????? ??? ??????? ???? ?? ???????? ?? ?????????????? ???? ?? ??????? ???? ?? ???????? ????? ???? ?? ????, ??? ????

3) ??????: ?????? ???? ??? ??????? ??? ?????????? ?????? ??? ???????? ??????. ???????????? ?????? ?????? ??? ?? ????????? ???? ?????? ??? 24 ??? ????? ???, ???? ?????????? ?????? ?????? ?? ??????????????????????? ????? ????? ?????. ??? ????????????????? ??? ??? ??????????? stress ??? Reduce ?? ????????????? ???? ?????? ???? ????????????????? ????????.

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

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

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

1. ????????: ???? ?????????, ????????, ???????, ????????, ????????, ????????, ????????, ??????????, ??? ???????? ??? ????pieces.

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

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

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

7) ???????????????????: ???? ?? ??????????? ??? ??? ????????? ??? ??????, ??????????????????? ??? ?????????? ????idation, ??????? ???????????, ????? ????idation, ?????????????, ?????????????, ??????, ??? ????. ?????????????? ??? ????

8) ???????????: ??? ??????????? ?? ???????????? ??? ????????????, ????? ??????? ?????????, ??????? ??? ?????? ???????? ??????????????, ?? ?????? ????????? ?? ????????

9) ???????? ??? ?????????: ???????? ?? ????????????? ??????????? ??? ???? ??? ??????? ??? ???????????? ??? ????????????, ??????????? rapporte? ??? ?????? ??????????.

2,

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

2) ???????? ???: ?????? ??? ???? ??????? ??????????? ??? ??? ???????????????????? ???, ?? ???????? ????? ?????? ???? ??????? ??? ?????? ??? ?????????? ??? ??????? ???? ????????????????? (??????????)

3) ????????????????????? ????: Calculate the price based on the different surface treatment processes required by the workpiece drawing.

4) ????????: ?????? ???? ??? ????????? ? ??????????? ??? ???????, ???alculate ??? ????????????????? ????????????????????? ???? ??? ??????????????????.

5) ????: Calculate taxes based on the invoicing format and tax points required by the country.

6) ?????????????: ???????????????? ?????????? ??? ??? ?????????? ??? ??????? ???????????????????. (???????? ????? ???? ?????, ???????ик?, ??????????? ???????, ??.)

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

?? ???? ??????? ??? ?? ????????? ?? ????????, ???????? ???=????????? ???+basic time

?????????????????? ????? ??? ?? ?? ???? ???? ?????? ???? ?? ??????????? ??? ??? ???????????????????, ??????? ?????, ??????????? ?????????, ??????? ????????????, ????????? ????

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

4, Quotation cost estimation method (??? metode ??? applicable to mass-produced products for reference)

??????????? ??????=(????????????? ??????+??????????? ???????) * 1.2~1.5

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

=???????? ??? * unit price (yuan/hour)

5, Common aluminum and steel prices:

7075T6: Rod and Plate

????? ????????: ????? 38 ?????/kg

????????????? ??????????? ??????????: 96-100 ?????/kg

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

????????? ??????????: 45-48 ?????/kg

????????? ?????????? ??????????: 78-80 ?????/kg

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

????????????? ??????????: 52-60 ?????/kg

????????? ?????????? ??????????: 100+?????/kg

paper size

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

?????????? ??????????: 40-45 ?????/kg

????????? ?????????? ??????????: 70-75 ?????/kg

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

????????????? ??????????: 52-60 ?????/kg

????????? ?????????? ??????????: 100+?????/kg

7075 ?????: ???? 75-80 ????/???; (????????? ????? ?????????, ??????? ??? ???? 300kg)

2A12 ??? ????? 10-20 ?????/kg ??? dārga ??? ????? ??? ?????

6061 ????? ??? ?????: ???? 30 ?????/kg

6063 ????? ??? ?????: ???? 24-28 ?????/kg

7075 T7351/T7451: ???? 80 ?????/???

7050: ???? 85 ????/kg

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

45 №, ? 235: ?? ??????? ???? ??????? ??? ???????? 7.5 ?????/????????.

304 ????? ??? ?????: ???? 30 ?????/kg ???? 20 ?????/??? ??? ??????? ???

05cr17ni4: ????????? ????дар?: ???? 55 ????/???; ????????? ?????????? ??????????: ???? 120 ????/?????

30CrMnsiA: ????????? стандарт: ???? 35 ????/???; ????????? ?????????? ??????????: ???? 80 ????/?????

1cr18ni9:26 yuan/kg ????? ?????

????? (???????, ??? ?????????????????): ????? 15/kg

????: ???? 60/???

6,Quotation ????? ?????????? ????? ?????????????????:

1) ????????? ?????: 35-45 ?????/???

2) CNC ?????: ????? 80 ?????/???

3) 3-??? ?????????????: ???? 60-120 ?????/???

4) 4-??? ?????????????: ???? 150 ?????/??? ??????? ???? 120 ???/???

5) 5-??? ?????????????: 300-500 ?????/???

6) ????????????: 60 yuan/hour

7) ?????? ??????: 60 ?????/???

8) ??????????? ??????: 80~150 ????/???

9) ????? ???? ????: 60-150 ????/???

10) ???????????: 80/???

7, Common surface treatment prices:

1) ???, ?????? ???????????: ????? 3 ?????/????????? ?

2) ??????? ???????????: ????? 4 ?????/????????? ?

3) ????? ????????? ???????????: ???? 5 ?????/???????? ?

4) ????????????: ???? 5 ?????/???????? ?

5) ??????? ???????????: ???? 7.5 ?????/???????? ?; ????

6) ?????????????: ????? 1 ?????/???????? ?

7) ??????? ??????: ??????? ??????? ?????? (??? ?????????? ????? ?????????? ?????????): ????? 1 ????/????????? ?

???????????

8) ???? ?????????? (?????): 1.2 ?????/????????? ?

9) ????????????? (??????): 2-3 ?????/kg (???????? ????)

8, 3D ???? ??????????? ??????

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

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

???:

1) Welding rod welding: ??????? ?????? ??? Welding between iron and iron, ?? ?????????????? ???? ??? ?????????? ??? ??? Welding rod ??? ??? ???? ?? ???????? ???? ??? ????????? ??? ???????? ???.

2) ?????? ?????????????????????????????: ???? ?????? ???????? ??? ?? ????????????? ???? ?? ??????????? ??? ?????????????, ??? ?? ????

3) ????????????? ????????: ?? ????? ????? ???? ?????????????, ????? ???? ??????? ???? ??? ?? ????????????? ???? ?? ????????? ??? ??????????????. ??? ????????????????????? ??? ????, ??? ??? ??? ??? ??? ???? ????? ????????? ????, ????????um ??? ???????um ??????.

4) ?????? ????????: ?????? ????-???????????? ???????????? ???????? ???????? ???????? ???????? ???????? ???????? ???????? ????????, ??? ?????? ???????, ??????? ?????? ??? welding ????

5) ???????? ?????????: ????????? ??? ?????? ???? ??? ?? ???????? ?????, ????? ??????? ?????? ????????? ?? ????? ??? ?? ???????? ????? ??? ???????? ????? izolated ??? ???? ??? ?? ????????? ??? ????????. ??? ????????????? ????? ???????????? ???? ???????? ?????