Wear-Resistant Attack Tool With Segmented Carbide Design
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Solution Overview
Problem
Attack tools used in formation degradation processes, such as asphalt milling and mining, experience significant wear, leading to costly downtime and operational inefficiencies due to frequent tool replacement.
Innovation Solution
A wear-resistant attack tool design featuring a base with bonded cemented metal carbide segments and superhard materials, optimized for attachment to driving mechanisms, which absorb impact stresses and distribute wear, extending tool life and reducing replacement costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If conventional attack tools are used in formation degradation processes, then the tools can perform cutting and degradation functions, but the tools experience significant wear leading to frequent replacement and operational downtime
Solution Approach 1:
The attack tool employs a composite structure consisting of a base material bonded with cemented metal carbide segments. This composite construction combines the structural integrity of the base with the superior wear resistance of the carbide segments, enabling the tool to withstand formation degradation conditions while significantly reducing wear and extending operational lifespan.
Solution Approach 2:
The cutting surface of the attack tool is divided into multiple cemented metal carbide segments bonded to the base. This segmentation allows each segment to independently absorb impact stresses and resist wear, while the modular structure enables selective replacement of worn segments without replacing the entire tool, thereby extending tool lifespan and reducing downtime.
2Duration of action of moving object
If attack tools are designed with enhanced wear resistance through multiple carbide segments, then tool lifespan is extended, but the structural complexity and manufacturing difficulty increase
Solution Approach 1:
The tool is segmented into a base structure and multiple carbide segments that can be independently manufactured and then bonded together. This segmentation allows each component to be optimized separately using standard manufacturing processes, reducing overall complexity while achieving enhanced wear resistance through the composite structure.
Solution Approach 2:
The invention merges the base structure with cemented metal carbide segments through bonding processes. This combination integrates the structural support function of the base with the wear resistance function of the carbide segments, creating a unified tool that achieves extended lifespan without requiring entirely new complex designs.
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 design significantly extends the lifespan of attack tools by reducing wear and improving degradation efficiency, minimizing downtime and operational costs in large-scale operations.
Implementation Method 1
The first and second cemented metal carbide segments absorb impact stresses
Implementation Method 2
A second metal carbide segment is bonded to a second end of the first carbide segment at an interface opposite the base
Data Source
AI summary
In one aspect of the invention, an attack tool is disclosed which has a wear-resistant base suitable for attachment to a driving mechanism, a first cemented metal carbide segment brazed to the base at a first interface, and a second metal carbide segment brazed to the first carbide segment at a second interface opposite the base. The attack tool also having a braze material disposed in the second interface with 30 to 62 weight percent of palladium.