Patent ID: 6723947
Filing Date: 2004-04-20
Classification: B23K,Y10T

Abstract:
Laser beam hardening device, comprising:a guide means provided in a horizontal direction; a saddle provided at said guide means, being free to move along said guide means; a machining head provided at said saddle, so as to be freely moved and driven upward and downward; a nozzle attachably and detachably provided at said machining head, being capable of ejecting laser beam; a magazine provided at said saddle, having a plurality of nozzle holders; a holding portion for holding said nozzle in said nozzle holder, provided at each of both said nozzle and said nozzle holder, said nozzle attachably and detachably supported by said nozzle holder through said holding portion; and driving means for relatively driving said machining head close to or away from said nozzle holder, whereby said machining head is driven close to or away from said nozzle holder by said driving means, so that said nozzle can be exchanged between said machining head and said nozzle holder.