Cutting by use of rotating axially moving tool – Machine including plural tools – Plural – simultaneously operational tools
Patent
1985-12-05
1988-03-01
Bilinsky, Z. R.
Cutting by use of rotating axially moving tool
Machine including plural tools
Plural, simultaneously operational tools
408 53, 408 88, 409209, 409217, B23B 3918
Patent
active
047282290
ABSTRACT:
A mechanism for individually positioning a drilling head in a multiple head drilling assembly. The assembly includes a plurality of spindle blocks arranged in side-by-side relation, and a spindle that is adapted to carry a drill head is mounted for rotation and axial movement in each block. Each spindle block is mounted for individual lateral movement in a direction normal to the axis of the spindle on guide rods, and is driven laterally by a rotatable lead screw that extends parallel to the guide rods. A recirculating ball nut is associated with each spindle block and is engaged with the lead screw. A clamping mechanism acts to selectively clamp each nut to the respective spindle block and by clamping the nut to the block, the spindle block will be moved along the guide rods on rotation of the lead screw, and by disengaging the nut from the respective spindle block, rotation of the lead screw will cause free rotation of the nut without movement of the block. With this construction, each spindle block can be selectively and individually positioned for the drilling operation.
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Memmel Lawrence C.
Thiede Donald E.
Bilinsky Z. R.
Super Tool and Mfg. Corporation
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