Cutting – Tool carrier or guide affixed to work during cutting – Entirely work supported
Patent
1986-10-07
1988-04-26
Schran, Donald R.
Cutting
Tool carrier or guide affixed to work during cutting
Entirely work supported
83490, 83547, 291573R, 291574, 2940208, B23D 4512
Patent
active
047396881
ABSTRACT:
Boiler tube panel removal apparatus includes elongated guide rail structure for securing to a boiler tube panel adjacent a desired cut region, and a cutting tool assembly for mounting on the guide rail structure. The cutting tool assembly includes a support carriage with spaced guide structure for engaging the guide rail structure, main pivot structure secured to the support carriage having a pivot axis extending transversely to the guide rail structure, secondary pivot structure secured to the support carriage, and plunge cut link structure mounted on the secondary pivot structure. A cutting tool that is mounted on the main pivot includes a drive motor, a manual motor control, a drive shaft and a tube cutter disc mounted on the drive shaft. Manual operation of the plunge cut link structure rotates the cutting tool about the main pivot axis in plunge cutting action through a panel of tubes adjacent the guide rail structure.
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Brennan Matthew T.
Moruzzi James A.
Schran Donald R.
SMA Controls Inc.
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