Workpiece Grooving with In-Process Blade Dressing
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Solution Overview
Problem
The existing methods for grooving a workpiece using a cutting blade often result in dulling, clogging, or oblique cutting, leading to defective products, especially when performed multiple times in a specific direction, which can cause chipping and worsen processing quality.
Innovation Solution
A method involving the use of a dresser of predetermined thickness, fixed adjacent to the workpiece, to adjust the cutting blade condition by cutting the dresser, ensuring thorough dressing of the cutting edge and reducing defective product generation through enhanced processing quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a cutting blade is used to groove the workpiece, then grooving can be performed efficiently, but the cutting blade may become dull or clogged during processing
Solution Approach 1:
The patent applies preliminary action by placing dressers adjacent to the workpiece before cutting begins. These dressers are positioned in advance to dress the cutting blade during the grooving process, preventing dulling and clogging before they affect processing quality. The dressers are pre-positioned on the support member alongside the workpiece, so the cutting blade automatically dresses against them during normal cutting operations.
2Productivity
If grooving is conducted multiple times in parallel to a specific direction, then processing coverage is improved, but defective processing such as oblique cutting or chipping may occur
Solution Approach 1:
The patent uses dressers as intermediary elements between the cutting blade and the workpiece. These dressers serve as mediating components that dress the cutting blade edge during processing, ensuring the blade maintains its sharpness and proper geometry when cutting multiple grooves in parallel. The dressers are positioned adjacent to the workpiece and act as intermediate dressing surfaces that prevent direct degradation of the blade from repeated cutting operations.
3Speed
If the cutting blade is used without adjustment, then processing speed is maintained, but processing quality deteriorates due to blade dulling
Solution Approach 1:
The patent implements continuity of useful action by integrating the dressing function directly into the cutting process. The dressers are positioned so that the cutting blade continuously dresses against them during each pass through the workpiece, ensuring the blade remains sharp throughout the entire processing operation. This continuous dressing action maintains cutting quality without interrupting the processing speed or requiring separate blade adjustment steps.
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 method effectively enhances processing quality by adjusting the cutting blade condition and reducing defective products by ensuring thorough dressing of the cutting edge, maintaining consistent cutting performance and preventing chattering at the boundary parts.
Implementation Method 1
a cutting step of positioning a tool edge of the cutting blade at a predetermined height and cutting the workpiece and the dresser in the first direction by the cutting blade
Implementation Method 2
the condition of the cutting blade can be adjusted by cutting the dresser, whereby enhancement of processing quality of grooving the workpiece is realized
Data Source
AI summary
A workpiece processing method includes: a dresser preparing step of preparing a dresser of a predetermined thickness; a fixing step of fixing the workpiece and the dresser on a support member adjacently to each other in a first direction; a holding step of holding the support member by a holding table, after the fixing step is performed; and a cutting step of positioning a tool edge of the cutting blade at a predetermined height and cutting the workpiece and the dresser in the first direction by a cutting blade, after the holding step is performed.