Elscint automation manufactures nut/bolt-feeding accessory for resistance spot welding machines. This consists of an elscint vibratory bowl feeder, which feeds the nuts/bolts [nuts can be either square nuts or round nuts]. The nut/bolts are fed to a pneumatic pusher and then to an escapement, which places the nut/bolt on the workstation for spot welding. It is then held at that position through magnetic property. This reduces the manual intervention required for feeding and placing of the nuts/bolts. Elscint vibratory parts feeder model 160, model 250 or model 400 can be used for this purpose depending the size of the nut/bolt to be fed and the loading capacity required. This is mainly used for nuts/bolts of size m8, m10 and m12.The speed, which can be achieved, is a minimum of 20-30 pieces per min for m 8 square nut/bolt. The speed of other sizes will vary accordingly. The elscint nut/bolt feeder thus consists of three major attachments, i.E., the main body, escapement and feeding head. These are controlled electrically and nuts are fed to the lower electrode of a spot welder. Special features of the feeding head are its method of feeding nuts/bolt and its construction.
