This tutorial video is made by TVC-Mall, demonstrating how to remove air bubbles from the LCD digitizer part to repair cell phone. The debubbling machine is suitable for most cell phones like iPhone 4/4s/5, samsung galaxy, HTC, Sony, Nokia, etc.
Check out the LCD bubble removing machine here http://bit.ly/14woeFH
More similar professional cell phone repair machines here: http://www.tvc-mall.com/c/consumer-electronics/professional-tools/
Electrical control system:
The operation of the machine is automatic or manual, involves heating, pressure and complex process, the whole machine adopts touch screen and PLC as the main control element, the rests of control components such as: temperature control table, pressure control instrument, thermocouple, contactor, electromagnetic valve, etc. The operation is controlled by the PLC, according to the technological requirements