Dressing Device with Dual Areas for Grinding Tools

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Solution Overview

Problem

Existing dressing devices for grinding tools compromise the service life of the tools due to a lack of optimal specifications for both sharpening and restoring the grinding profile, leading to premature damage and increased positioning efforts.

Innovation Solution

A dressing device with two distinct dressing areas, one with a larger volume for sharpening and another with a different specification for restoring, allowing for automatic changeover without repositioning, and a holding area for convenient handling, facilitating efficient use and extended tool life.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a uniform dressing device specification is used for both sharpening and restoring the grinding profile, then the device is simple to operate, but the grinding tool service life is reduced due to compromised dressing quality

Engineering Contradiction:
Improvedressing device operation simplicityVSAvoidgrinding tool service life
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The dressing device is divided into two distinct dressing areas with different specifications: a first dressing area optimized for sharpening the grinding profile and a second dressing area optimized for restoring the grinding profile. This segmentation allows each area to perform its specific function optimally, thereby extending grinding tool service life while maintaining operational simplicity through a single integrated device.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Different regions of the dressing device are assigned different local qualities (specifications) suited for different dressing tasks. The first dressing area has specifications optimized for sharpening operations, while the second dressing area has specifications optimized for restoring operations, allowing each local region to excel at its specific function.

Inventive Principle:
Principle #3Local quality

2Reliability

If two separate dressing devices are used for sharpening and restoring the grinding profile, then optimal dressing quality is achieved, but positioning effort and device complexity increase

Engineering Contradiction:
Improvedressing qualityVSAvoidnumber of dressing devices
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

Two separate dressing devices (one for sharpening, one for restoring) are merged into a single integrated dressing device with two distinct dressing areas. This combining maintains the optimal dressing quality of separate specialized devices while reducing the number of devices from two to one, thereby reducing positioning effort and operational complexity.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The dressing device is designed with multi-functionality, serving both sharpening and restoring functions within a single device. The first dressing area handles sharpening operations while the second dressing area handles restoring operations, allowing one universal device to replace two specialized devices.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Reliability

If two separate dressing devices are used for sharpening and restoring, then optimal dressing quality is achieved, but positioning time and productivity decrease

Engineering Contradiction:
Improvedressing qualityVSAvoiddressing operation efficiency
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

By merging two separate dressing devices into one integrated device with two dressing areas, the system eliminates the need to reposition devices between sharpening and restoring operations. This combining maintains optimal dressing quality while significantly improving productivity by reducing positioning time and enabling seamless transition between dressing operations.

Inventive Principle:
Principle #5Merging (Combining)

4Productivity

If the first dressing area has a larger volume than the second dressing area, then sharpening capacity is optimized, but the device becomes more complex to manufacture

Engineering Contradiction:
Improvesharpening capacityVSAvoiddressing device manufacturing complexity
Core Design Contradiction:
ProductivityVSEase of manufacture

Solution Approach 1:

The volumes of the two dressing areas are optimized according to the specific requirements of sharpening and restoring operations. The first dressing area has a larger volume to provide sufficient material for effective sharpening, while the second dressing area has an appropriately sized volume for restoring operations. This parameter optimization balances productivity requirements with manufacturing feasibility.

Inventive Principle:
Principle #35Parameter changes

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 device enables a longer service life of grinding tools by optimizing the dressing process, allowing for automatic profiling and sharpening without repositioning, and the holding area simplifies handling, ensuring efficient material use and extended tool operation.

Implementation Method 1

the first dressing area has a first specification for sharpening the grinding profile of the grinding tool

Methodology Applied
Scientific EffectAbrasion: Abrasion

Implementation Method 2

the second dressing area has a second specification that differs from the first specification for restoring the grinding profile of the grinding tool

Methodology Applied
Scientific EffectAbrasion: Abrasion

Data Source

PatentEP3542959B1Dressing device
Publication Date: 2021.09.15 VINCENT SRL
  • EP3542959B1 patent drawingFigure 1a~2b
  • EP3542959B1 patent drawingFigure 3~4a
  • EP3542959B1 patent drawingFigure 4b~6b

AI summary

Dressing device (1) for dressing a grinding tool (2) provided with a predetermined grinding profile (14), wherein the dressing device (1) comprises at least a first dressing area (3) and a second dressing area (4) associated therewith, wherein the first dressing area (3) has a first specification for sharpening the grinding profile (14) of the grinding tool (2) and the second dressing area (4) has a second specification, differing from the first specification, for restoring the grinding profile (14) of the grinding tool (2), and wherein the first dressing area (3) has a larger volume than the second dressing area (4).