Numerical control system and controller thereof

The utility model provides a numerical control system and controller thereof, the controller includes shell, first integrated circuit board and second integrated circuit board, first integrated circuit board is fixed set up in inside the shell, the second integrated circuit board is fixed set up in on the first integrated circuit board, first integrated circuit board with the upper surface of second integrated circuit board all is equipped with the graphite flake, first integrated circuit board with second integrated circuit board communication connection. The utility model discloses a numerical control system and controller thereof can carry high heat dissipation efficiency, greatly saves the space in the controller, has the effect of shielding anti -jamming, has effectively improved the EMC of controller to effectively protected electronic circuit on the integrated circuit board in the controller to avoid receiving the damage of greasy dirt. 本实用新型提供种数控系统及其控制器，所述控制器包括外壳、第板卡和第二板卡，所述第板卡固定设置于所述外壳内部，所述第二板卡固定设置于所