| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a numerical control apparatus in which a first connector which is wired from a power supply terminal can be connected with a second connector, wired from a fan motor upon setting a fan unit in a housing, and assembling and maintenance work is facilitated. SOLUTION: This numerical control apparatus 1 comprises a housing 2, a board 3 contained in the housing 2, a branch board 4 mounted on the rear surface of the housing 2, a fan motor 29, and a fan unit 5 fixed removably to the upper surface of the housing 2. A first connector 20 connected with a power supply terminal 19 is either secured to the housing 2 or mounted on the branch board 4 and a second connector 21 which is wired from the fan motor 29 and is removably and connectible with the first connector 20 is located at a position facing the first connector 20, when the fan unit 5 is set in the housing 2.</p> |
