1. Please simulate the injection molding process of a Lego brick with dimensions
ID: 2086475 • Letter: 1
Question
1. Please simulate the injection molding process of a Lego brick with dimensions (unit: in) shown as following using Solidworks. And your simulation should satisfy the following requirement: a. Modify the molding temperature as .5A,-C and .A' is the last number of your CWID. For example, if your CWID is 88881234, then the molding temperature is 54 °C b. Add the injection point (0.5 mm) in the center of the top of the brick c. Material is ABS d. And generate the report including all the simulation results. Note: if A doesn 'I match your CWID there will be no credits for this problem) (50 points) 21- ES SECTIONBB .31 2. If the gage pressure at the inlet of an injection mold cavity is 10 MPa, and the cavity has a length of 0.25 m, and a width of 0.05 m, estimate the average clamping force required.Explanation / Answer
Ans.
Clamping force refers to the force applied to a mold by the clamping unit of an injection molding machine in order to keep the mold closed this force must oppose the separating force, caused by the injection of moltan plastic in to the mold
For a clean and perfect design, mostly the clamping force is equal to the counter or loading force so, the clamping force F will be
F = pressure × area.
F = 10 × 0.0125
F = 0.125 newton
Hence the required clamping force is obtained
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