Method of machining cylindrical workpieces by using a bi-spindle

Details Method of machining cylindrical workpieces by using a bi-spindle Method of machining cylindrical workpieces by using a bi-spindle

1989-05-08

1992-11-10

Smith, Jerry

Boots, shoes, and leggings

82129, 29 36, 36447434, B23B 334, G06F 1546

Patent

active

051630095

ABSTRACT:
A method of machining cylindrical workpieces, mainly cylindrical metallic workpieces such as cylindrical separate metallic workpieces and sequentially fed bar-like workpieces, into cylindrical products such as bearing outer and inner races and valve spools, by employing a bi-spindle numerically controlled machine tool provided with two parallel spindles capable of holding and rotating workpieces, respectively, and a single tool block unit capable of moving in two mutually orthogonal directions under the control of a numerical controller in accordance with a numerical control program, to precisely feed two separate groups of cutting tools mounted thereon and thereby accurately cut the rotating workpieces on the two parallel spindles alternately or simultaneously at a high production rate. A numerically controlled highly effective machining system performing a precision machining of small workpieces supplied by a sequential workpiece supply system and held on two parallel spindles of a bi-spindle numerically controlled machine tool which has a single tool block for mounting thereon two separate groups of cutting tools and moved under the control of a numerical controller in accordance with a numerical control program.

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