Patent ID: 6408501
Filing Date: 2002-06-25
Classification: B21H,B21K,B23P,G05B,Y02P,Y10T

Abstract:
An apparatus of automatically manufacturing ball studs comprising:a cold forging unit for uncoiling and forming a cold coil for ball studs into ball studs shaped at least 50% similar to a desired one; a first cleaning unit for removing burrs or lubricant layers of materials from said cold forged ball studs; an impurity inspection unit for determining whether the burrs or lubricant layers arc properly removed; a unit for rolling a head, a neck and threads with a rolling machine; a second cleaning unit for completely removing impurities from the ball studs; an inspection unit for finding dimensional defects and minute breaks or cracks from said ball studs after the second cleaning; a storage unit for storing said ball studs into a warehouse by an automated transport robot after the inspection; a central control unit for controlling said units to be operated in sequence, performing an emergency stop of said units in response to a defect signal from said inspection unit, and diagnosing abnormal conditions of said units; and an FMS server for storing product data related to said abnormal and operated conditions and amount of production into a database and transmitting the same in the case of necessity.