51吃瓜

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

1、 Mechanical processing steps:

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

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

3) ???? ???????????: ???? ??????????? ??? ?????? ??? ?????????? ???? ??????????? ??? ????? ???? ???????????. ???????????? ?????? ?????? ??? ?? ????????? ???? ?????? ??? 24 ??? ????? ???, ???? ?????????? ?????? ?????? ?? ??????????????????????? ????? ????? ?????. ??? ??? ???? ????? ??? ??? elimination of stress and reduction of the deformation of the workpiece during precision milling process.

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

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

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

1. Fitter: including chiseling, sawing, filing, correcting, drilling, threading, removing burrs, chamfering, and installing screws on workpieces.

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

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

4. Testing: Surface testing is required for both screw standard parts and welded parts to ensure the strength of the workpiece.

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

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

9) ?????? ??? ?????????: ?????? ?? ?????????????? ??????????? ??? ????????? ???? ??????? ??? ??? ?????????? ??? ????????????, ?????????????? ?????????????? ??? ?????

2,

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

2) ??????? ???: ??????, ???? ??????????? ??????????? ??? ??? ???????????????????? ???, ?? ???????? ??? ?????? ???? ??????? ??? ?????? ??? ?????????? ??? / ????????????????? ???. (??????????)

3) Surface treatment fee: The price is calculated based on the different surface treatment processes required by the workpiece drawing.

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

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

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

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

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

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

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

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

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

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

Processing fee=process hours * unit price (yuan/hour)

5、 Common aluminum and steel prices:

According to the manufacturer's announcement

8、 3D printing fee model

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

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

???:

1) Welding rod welding: ??????? ?????? ?? 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) ??????? ?????? ????????: ?? ????? ????? ???? ?????????????, ????? ???? ??????? ???? ??? ?? ??elding ???? ?? ????????? ??? ????????? ???????. ??? ????????? ???????????? ??? ????, ??? ??? ????????? ??? ??? ??? ???? ????? ???????? ???? ????, ????????um ??? ????????? ?????.

4) ?????? ????????: ?????? ????????????????? ???????????? ???????? wire ??? ?????? ???????, ?????? ??????? ??? welding ????????????? ?????.

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