1. There are many edge grabbing segments in the middle frame of the mobile phone, and the efficiency is low.
2. For the middle frame that needs to be re-dispensed for repair and some of the edge grabbing points with large interference from lighting changes, it is easy to jump or grab the wrong point, which will cause the machine to frequently alarm or cause poor dispensing, requiring continuous manual intervention.
3. In the middle frame dispensing process, the traditional speed mode is not easy to accurately control the amount of glue, and it is easy to have more glue or less glue.