【摘要】 对普通台钻手柄进行了改进,增设了一套电动机正反转控制装置。由操纵手柄触发,当主轴向下运动时,主轴正转,当主轴向上运动时,主轴反转。在不改变台钻钻孔功能的同时,增加了攻丝的功能。更多还原

【Abstract】 It discussed the method to put up a set part on general drill-press which controls the turning clockwise and anticlockwise of the motor.The motion of motor is switched by a hand grip that has been reconstructed,when the chief axis moves downwards,it rotates clockwise,and it rotates anticlockwise when it moves upwards.With this improvement,it can add the function of screw tapping to the general drill-press by not changing its function of drilling.更多还原