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Patent Searching and Data


Title:
MACHINE TOOL
Document Type and Number:
Japanese Patent JPH04300035
Kind Code:
A
Abstract:

PURPOSE: To improve the working accuracy by performing the working to a work at the timing at which the work stops surely, and shortening a cycle time without generating a useless waiting time.

CONSTITUTION: The machine tool is provided with a work table containing servo-motors 20, 25, a working means containing a punch press driving part 43, waveform check circuits 41, 42, and a control means containing a microprocessor and a table control part 36. The work table can move at least in one direction in the plane, and is provided in order to attach a work. The working means works the work being in a still state attached to said work table. The waveform check circuits 41, 42 detect the moving speed, when the work table is moving. The control means decides a still state of said work in accordance with a result of detection of the waveform check circuits 41, 42, and controls a working timing of said working means.


Inventors:
YOSHIMURA MASAAKI
Application Number:
JP9131191A
Publication Date:
October 23, 1992
Filing Date:
March 28, 1991
Export Citation:
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Assignee:
MURATA MACHINERY LTD
International Classes:
B21D28/02; B21D43/00; B23Q15/12; (IPC1-7): B21D28/02; B21D43/00; B23Q15/12
Attorney, Agent or Firm:
Yukio Ono (1 person outside)