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METHOD FOR CORRECTING A POSITION OF A TIP OF A MACHINE TOOL

  • US 20190321929A1
  • Filed: 05/16/2019
  • Published: 10/24/2019
  • Est. Priority Date: 01/07/2016
  • Status: Active Grant
First Claim
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1. A method for correcting a position of a tip of a machine tool, wherein the machine tool comprises:

  • a mounting table on which a workpiece is placed;

    a tool configured to machine the workpiece placed on the mounting table, the tool including a tip;

    a shade detector fixed on the mounting table and configured to provide an optical path of a laser light and detect a shade state of the laser light; and

    a tool controller connected to the mounting table via a supporting structure and configured to control an orientation and a position of the tool,wherein a reference point associated with the tool is provided to the tool controller, andthe correction method comprises;

    a matching process in which the tool controller actually matches the tip of the tool with a measurement position of the laser light, while keeping a first orientation which is an orientation of the tool for machining, the matching being based on the first orientation and a length of the tool; and

    a first tool position specifying process in which a first tool position, which is a position of the reference point in a state in which the tip is actually matched with the measurement position of the laser light, is specified.

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