Honeycomb Slit Depth Control for Variable Outer Wall Thickness
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Solution Overview
Problem
Conventional methods for producing honeycomb structures face issues where the processing tool either fails to penetrate the outer peripheral wall due to its thickness being thicker than expected or damages the partition wall due to being thinner than expected, leading to incomplete or unnecessary slit formation.
Innovation Solution
A method and device that adjust the penetration depth of the processing tool by measuring the wall thickness of the honeycomb structure's outer peripheral wall and adding a predetermined value, ensuring precise slit formation while minimizing damage to the partition wall.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a processing tool is inserted by a predetermined set amount from the outside of the outer peripheral wall, then the slit formation process is simple, but incomplete slits are formed when wall thickness is thicker than expected or partition walls are damaged when wall thickness is thinner than expected
Solution Approach 1:
The invention measures the wall thickness of the outer peripheral wall before forming slits, and adjusts the penetration depth of the processing tool in advance based on the measured value. This preliminary measurement and adjustment action ensures that the processing tool penetrates to the correct depth without damaging the partition wall, while maintaining a simple automated process flow.
2Reliability
If the penetration depth is increased to ensure complete slit formation through thicker walls, then slits are more surely formed, but the partition wall is damaged when wall thickness is thinner than expected
Solution Approach 1:
The system performs preliminary measurement of the outer peripheral wall thickness and calculates the appropriate penetration depth before the actual slit formation. This advance preparation ensures that the processing tool penetrates sufficiently deep to form complete slits in thicker walls without over-penetrating and damaging partition walls in thinner sections.
Solution Approach 2:
The invention implements a feedback mechanism where the measured wall thickness information is used to adjust the penetration depth of the processing tool. The system continuously monitors the wall thickness and modifies the processing parameters accordingly, ensuring optimal slit formation while preventing partition wall damage across varying wall thickness conditions.
3Object-affected harmful factors
If the penetration depth is decreased to avoid damaging the partition wall, then the risk of unnecessary damage is reduced, but incomplete slits are formed when wall thickness is thicker than expected
Solution Approach 1:
The system measures the actual wall thickness before processing and pre-calculates the optimal penetration depth for each specific workpiece. This preliminary adjustment ensures that the penetration depth is sufficient to form complete slits in thicker walls while remaining shallow enough to avoid damaging partition walls in thinner sections, eliminating the need to choose between these conflicting outcomes.
Solution Approach 2:
The invention dynamically changes the penetration depth parameter based on the measured wall thickness. Instead of using a fixed penetration depth, the system adjusts this critical parameter according to the actual wall thickness, ensuring complete slit formation in thicker walls while preventing partition wall damage in thinner walls.
Data Source
AI summary
A method for producing a honeycomb structure includes: a step of adjusting a penetration depth of a processing tool from an outer peripheral surface of a honeycomb structure base body having the honeycomb structure portion to a radially inward direction; and a step of forming at least one slit in the honeycomb structure base body according to the adjusted penetration depth, and wherein the penetration depth is adjusted by measuring a wall thickness of the outer peripheral wall of the honeycomb structure base body and then adding a predetermined value to the wall thickness.