This tutorial will guide you thru on how to design a mold cavity using Pro/MOLD in Pro/ENGINEER. A simple mobile phone casing is being use in this tutorial which it does not contain any slider and insert in the mold. The objective of this tutorial is to help you to understand the process flow of the mold design.

Below is the process flow chart of mold design for a simple part in Pro/MOLD (clear parting line, no undercut, and no slider / insert / side core)

* Processes indicated in yellow are the steps which includes in this tutorial.

Click here to download the sample part file before begin the tutorial.

1. Open the cover_start.prt file and resume the suppressed feature.

2. Click File > New and choose Manufacturing and Mold Cavity from the option. Give a proper name for the mold.

3. You should now enter the Pro/MOLD environment. A set of Pro/MOLD icons and the mfg mold template should appear. Your screen should looks as shown below.

4. Click the Insert Part Icon to insert the cover_start.prt. After that, the Create Reference Model dialog box and Layout dialog box will prompt part placement defination. In this tutorial, select the Same Model > OK and then Single > OK in the corresponding dialog box.

Press the OK button on the accuracy confirmation dialog box when it prompts. The mobile phone case should now appear in the mold model by now.

5. Click the Shrinkage by Scale icon to define the shrinkage factor for the plastic part. Select the coordinate system in the part and input the shrinkage ratio in the shrinkage dialog box. (Example: 0.005 for 0.5%)

A Shrinkage feature is added into your part model tree.