Take injection mold design of mobile phone shell as an example by applying UG NX 3.0/Mold Wizard,the article mainly introduces the emplhasis and difficulties in mold design.

• 采用UG NX3.；0/Mold W izard软件；以手机外壳注射模具设计为例；主要介绍了模具设计过程中的重点和难点。