MULTIPLE SHAFT TOOL HEAD

Patent · Tue Oct 23 04:00:00 EDT 1962

OSTI ID:4774984

Colbert, H P

An improved tool head arrangement is designed for the automatic expanding of a plurality of ferruled tubes simultaneously. A plurality of output shafts of a multiple spindle drill head are driven in unison by a hydraulic motor. A plurality of tube expanders are respectively coupled to the shafts through individual power train arrangements. The axial or thrust force required for the rolling operation is provided by a double acting hydraulic cylinder having a hollow through shaft with the shaft cooperating with an internally rotatable splined shaft slidably coupled to a coupling rigidly attached to the respectlve output shaft of the drill head, thereby transmitting rotary motion and axial thrust simultaneously to the tube expander. A hydraulic power unit supplies power to each of the double acting cylinders through respective two-position, four-way valves, under control of respective solenoids for each of the cylinders. The solenoids are in turn selectively controlled by a tool selection control unit which in turn is controlled by signals received from a programmed, coded tape from a tape reader. The number of expanders that are extended in a rolling operation, which may be up to 42 expanders, is determined by a predetermined program of operations depending upon the arrangement of the ferruled tubes to be expanded in the tube bundle. The tape reader also supplies dimensional information to a machine tool servo control unit for imparting selected, horizontal and/or vertical movement to the tool head assembly. (AEC)

• Research Organization: Originating Research Org. not identified
• NSA Number: NSA-16-033464
• Assignee: U.S. Atomic Energy Commission
• Patent Number(s): US 3059688
• OSTI ID: 4774984
• Country of Publication: United States
• Language: English

Related Subjects

MACHINE PARTS
MACHINING
METALS, CERAMICS, AND OTHER MATERIALS
PLANNING
PROGRAMMING
SERVOMECHANISMS
TOOLS