Slanted Dressing Board for Cutting Blade Tip Shape Inspection

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Solution Overview

Problem

Existing methods for determining the shape of a cutting blade's tip end are tedious and time-consuming, often requiring repositioning of a flat plate-shaped member to observe processing marks sideways, which complicates the determination process.

Innovation Solution

A dressing board with a slanted surface inclined at an angle between 30° to 60° is used to allow the cutting blade to cut into it, leaving a processing mark that can be easily observed from the opposite side, eliminating the need for repositioning.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If a flat plate-shaped member is used to determine the shape of the cutting blade tip end, then the processing mark can be observed, but the member requires repositioning to observe the mark sideways, making the process tedious and time-consuming

Engineering Contradiction:
Improveshape determination accuracyVSAvoidtime for shape determination
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The invention transitions from observing the processing mark on a flat horizontal surface to observing it on a slanted surface that is inclined at an angle between 10° to 60° relative to the horizontal plane. This dimensional change in the observation surface allows the processing mark to be directly visible from the side without requiring repositioning of the member, thereby resolving the contradiction between measurement precision and time loss.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Duration of action of moving object

If the cutting blade tip end becomes round due to wear, then cutting performance is maintained initially, but the round shape transfers to the workpiece, reducing manufacturing precision and causing vibrations

Engineering Contradiction:
Improvecutting blade service lifeVSAvoidworkpiece shape accuracy
Core Design Contradiction:
Duration of action of moving objectVSManufacturing precision

Solution Approach 1:

The invention enables preliminary detection of tip end shape changes by creating and observing processing marks on the slanted surface during the cutting operation. This allows the shape of the cutting blade tip end to be determined before it becomes excessively worn and transfers roundness to the workpiece, enabling timely intervention to maintain manufacturing precision while extending effective service life.

Inventive Principle:
Principle #10Preliminary action

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The shape of the cutting blade's tip end can be determined more efficiently and easily by observing the processing mark on the slanted surface without repositioning the dressing board, optimizing blade conditions for improved cutting performance.

Implementation Method 1

a slanted surface inclined to the lower surface and oriented across a direction in which the cutting blade is movable relatively to the table such that the tip end of the cutting blade moves across and over the slanted surface

Methodology Applied
Scientific EffectLight reflection: Reflection

Data Source

PatentUS12576480B2Dressing board and shape determining method
Publication Date: 2026.03.17 DISCO CORP
  • US12576480B2 patent drawing
  • US12576480B2 patent drawing
  • US12576480B2 patent drawing

AI summary

A dressing board for dressing a tip end of a cutting blade includes a lower surface to be held on a table and a slanted surface inclined to the lower surface and oriented across a direction in which the cutting blade is movable relatively to the table such that the tip end of the cutting blade moves across and over the slanted surface when the cutting blade is moved relatively to the table.