BIS Fixing Rail MF DC Welding Machine 16 Meter Automatic Feeder for Rail Support System DESCRIPTION This machine adopts spot welding with 90KVA power. Use automatic mobile feeder to fix the work piece. According to the preset moving distance, the machine will do welding while the feeder moves automatically. The total length of the feeder is 16400mm while the width is 300 mm. Adopt servo motor mobile methods. The moving distance could be adjusted according to your requirement.