Firstly, several hardware equipments were developed to fulfil different profile diamond form-grinding wheel, such as control circuit board, keyboard input circuit board and driving amplifier circuit board. 首先,为满足不同截面廓形金刚石成形砂轮修整的需要,设计了数控电火花修整装置的硬件系统,包括控制电路、键盘显示电路和驱动放大电路。