Patent · US Expired

Machine tool and method

US4250775A · kind A · utility

37Cited by
7References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 24, 1979
Grant dateFeb 17, 1981
Priority date
Expiry dateAug 24, 1999

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T82/2502
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

The present invention relates generally to numerically controlled contour machining, and particularly to an apparatus and method for performing such operations on a "bar-type" horizontal boring mill using the spindle bar to vary the cutting radius of the rotating cutting tool and the machine table to feed the workpiece toward the cutting tool.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.