Welded Conveyor Chains

The pins and bushings of Ketjurauma’s welded chains are fixed to the side plates by automated V-braze welding. The shoulders of the pins and bushings, which ensure the dimensional accuracy and the lateral gap, increase the strength of the joint.

Assembly is performed using both assembly robot cells, removing the inconvenient, intermediate storage from the cycle, which may also corrode components.

Only case hardening is used for surface hardening of the bushings and pins, so that the inner surface of the bushings is also hardened. Products with stainless links are an exception – these are hardened by induction hardening.

The chains are automatically lubricated after welding using dipping lubrication. When the lubrication is timed correctly the lubricant penetrates into the whole link.

 

Watch the connecting instructions for welded conveyor chains: