Grinding machine for welding electrodes

A grinding machine for welding electrodes, said grinding machine comprising:

• a box housing;
• a grinder motor fixed in the housing;
• a grinding disk provided with a grinding area and fixed on a drive shaft of said grinder motor;
• a swing plate provided above the grinding disk and on the housing and supported movably in the direction of the axis φ of the drive shaft;
• a cylindrical holder guide rotatably supported by the swing plate in a vertical position with a lower portion protruded above the grinding disk in the housing;
• an electrode holder which is removably fitted into the holder guide, and which removably clamps an electrode with an end portion thereof in contact with the grinding area of the grinding disk;
• an electrode turning motor which is fixed in the housing and which turns the holder guide with the electrode holder fitted therein;
• and
• a swing plate moving mechanism which moves the swing plate along the axis φ of the motor drive shaft by a specific distance L.