PCB Drilling and milling machine for making pcb prototype TYE-3636

PCB Drilling and milling machine for making pcb prototype TYE-3636 PCB Drilling and milling machine Features: 1.Preloaded anti-backlash precision ball screw, running smoothly , ensure high precision of machine . 2.Four-rows ball linear guides, self-lubricating block, each direction equal force, ensure the mechanical precision and strength. 3.Adopt breakpoint memory, guaranteed the machine can continue working in the accident (tool broken) or the next day. 4.Adopts domestic