Patent ID: 7802355

Claim:
A method of making a vibration table for concrete moulding machines used for making concrete blocks comprising a bed box for a vibrator including side plates, bed plates, and a top plate comprising ribs, forming parts of the vibration table, the ribs being on an upwards facing side of the top plate, reinforcing ribs on an underside of the top plate, a mounting flange on the underside of the top plate for fastening the bed box, the method comprising casting one or more of the parts comprising the bed box, the side plates, the bed plates, or the top plate in at least one casting process, building the vibration table from a combination of cast and assembled single parts, casting the bed box for the vibrator in one casting process, assembling the top plate, forming the vibration table by fastening the bed box to the top plate, and fitting wear areas on the ribs with hardened wearing rails after machining.