For Customers who require even higher efficiency and more comfortable operation, Harvey team developed the Premium Grade Jumbo Panel saws - Jumbo E Series. Besides the electronic blade adjustments (height/angle), Jumbo E series are also equipped with CNC controlled Rip Fence System. The CNC Rip Fence System controls the rip fence positions by SIEMENS industrial PLC and Servo Motor. The Servo motor drives a precision ballscrew and automatically move the fence into desired positions. The linear guideways always secure the extraordinary accuracy and smoothness of fence movement. The Rip Fence moving speed can be up to 15 m/min.