20240042575. WORKPIECE GRINDING METHOD simplified abstract (DISCO CORPORATION)

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WORKPIECE GRINDING METHOD

Organization Name

DISCO CORPORATION

Inventor(s)

Keishi Shintani of Tokyo (JP)

Yoshikazu Suzuki of Tokyo (JP)

WORKPIECE GRINDING METHOD - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240042575 titled 'WORKPIECE GRINDING METHOD

Simplified Explanation

The abstract describes a method for grinding a workpiece using a rotary-shaft direction grinding step and a radially directed grinding step. In the rotary-shaft direction grinding step, a grinding wheel and a chuck table holding the workpiece are moved towards each other along the axis of a rotary shaft. The grinding wheel has multiple grinding stones with outer peripheral surfaces that form a circle with a diameter not greater than the radius of the workpiece. In the radially directed grinding step, the grinding wheel and the chuck table are moved in a radial direction of the chuck table to grind the back surface of the workpiece. This can be done by either inwardly or outwardly moving the grinding wheel and the chuck table.

  • The method involves grinding a workpiece by moving a grinding wheel and a chuck table towards each other along the axis of a rotary shaft.
  • The grinding wheel has multiple grinding stones with outer peripheral surfaces that form a circle with a diameter not greater than the radius of the workpiece.
  • The back surface of the workpiece is ground by moving the grinding wheel and the chuck table in a radial direction of the chuck table.
  • The radially directed grinding step can be performed by either inwardly or outwardly moving the grinding wheel and the chuck table.

Potential applications of this technology:

  • Precision grinding of workpieces with complex shapes.
  • Surface finishing of metal or ceramic components.
  • Grinding of parts in the automotive, aerospace, and medical industries.

Problems solved by this technology:

  • Achieving precise and uniform grinding of workpiece surfaces.
  • Minimizing surface defects and irregularities.
  • Reducing the need for manual grinding operations.

Benefits of this technology:

  • Improved efficiency and productivity in grinding processes.
  • Enhanced surface quality and dimensional accuracy of workpieces.
  • Reduction in labor and time required for grinding operations.


Original Abstract Submitted

a workpiece grinding method includes a rotary-shaft direction grinding step of grinding a back surface of a workpiece by relatively moving a grinding wheel and a chuck table holding a front surface of the workpiece toward each other along an axis of a rotary shaft of the chuck table, the grinding wheel including a plurality of grinding stones that have outer peripheral surfaces defining a circle of a diameter not greater than a radius of the workpiece, and a radially directed grinding step of grinding the back surface of the workpiece by relatively moving the grinding wheel and the chuck table in a radial direction of the chuck table. the radially directed grinding step includes one of or both an inwardly directed grinding step of relatively moving the grinding wheel and the chuck table, and an outwardly directed grinding step of relatively moving the grinding wheel and the chuck table.

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