Multiple-spindle automatic lathe

US4982634A · kind A · utility

Inventors

• Peter Nagel · Highlands, US
• Franz Schmid · Bodelshausen, DE

Key dates

• Filing date: Oct 24, 1988
• Grant date: Jan 8, 1991
• Expiry date: Oct 24, 2008

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T82/2524
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

The conventional multiple-spindle automatic lathes are expensive on account of their complicated construction, and the production output and production possibilities are limited on account of the restricted number of work spindles utilized. The novel automatic lathe is to offer higher production outputs and more universal manufacturing possibilities with a simpler construction. The basic structure of an automatic lathe with eight tool spindles (10) for the manufacture of workpieces in eight successive machining stations resides in that, additionally to the number of basic tool stations (1 through 8), each basic tool station, except for the first, is once more included as an additional tool station (2 through 8) arranged in the same sequence of machining upstream of the basic tool stations (1 through 8) so that the total number of machining stations amounts to N=2n-1, a loading and unloading station being provided at the tool station (1). Machining of the workpieces takes place so that each workpiece, after each machining in a tool station, is shifted cyclically in a linear fashion relatively to the subsequent station, and, after seven conveying steps and a subsequent return stroke,…