Graduation thesis on the design of injection mold for the upper cover of convenient lunch box

It was when I graduated that I wrote my thesis on this topic. See if I still have this painting.

record

1, course design task book .................................................................

2, plastic products and instructions ...............................................................

3, design calculation content and steps .........................................................

1) plastic parts design .....................................................................

I. Plastic varieties .................................................................

B, appearance requirements .....................................................................

C, wall thickness and volume calculation of parts ..........................................................

D, demoulding inclination .....................................................................

2) Molding process design .....................................................................

3) Mold structure design .................................................................

4) Design and calculation .....................................................................

I. Calculation of Working Dimensions of Molded Parts ........................................................

B, cavity and template stiffness and strength calculation ...................................................

C, gating system design and calculation .............................................................

D, demoulding resistance calculation ...............................................................

E, design and calculation of cooling water channel of mold .......................................................

5) Selection of injection molding machine ................................................................

First, the maximum injection quantity inspection ..............................................................

B, injection pressure check .................................................................

C, clamping force inspection ...................................................................

D, flow ratio inspection .................................................................

E, mold opening stroke and ejection stroke inspection .......................................................

6) Check the relevant dimensions of the mold and the installation mold of the injection machine. .....................................

First, the nozzle size ....................................................................

B, positioning ring size ..................................................................

C, the maximum and minimum mold thickness ..............................................................

D, template screw hole size ................................................................

E, tie rod spacing .................................................................

7) Selection of mold materials. .............................................................

8) Prepare the mechanical processing and assembly process scheme of die parts. ........................................

4. bibliography and literature ...............................................................