Boring machine for work pieces of large diameter
AssigneeCreusot-Loire
InventorAndre Malot
Life of this patent
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Abstract
A boring machine for large diameter workpieces such as reactor vessels, the machine comprising a horizontally work table, preferably in a pit, a gantry spanning the work table, a boring bar centered at its lower end on the table and at its upper end on the gantry, a drive to rotate the bar and a tool carrier mounted for movement along the bar.
Claims9
Boring machine comprising a work table, a boring bar, a tool carrier sliding along the bar for rotation with said bar, means for rotating said bar about its axis and means for positioning said tool carrier along said bar, said work table being horizontal and said boring bar being maintained in a vertical position by two centering devices, one of said device being located on said work table, and the other of said devices being mounted on a horizontal cross-piece of a gantry extending over and spaced from said table.
Dependencies are inferred from the claim text.