Plowshare Cutting Elements in Separate Seats
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Solution Overview
Problem
Soil cultivation tools, such as goosefoot plowshares, face significant wear due to the resistance of the earth, leading to costly cemented carbide element placement and laborious precise positioning, which complicates the manufacturing and usage process.
Innovation Solution
The soil cultivation tool features separate seats for the first cutting elements, allowing for easy positioning and independent operation, with cemented carbide cutting plates arranged in these seats to enhance durability and wear resistance, and optionally using cartridges for replaceable cutting regions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If cemented carbide cutting plates are placed in contact with one another to perform cutting work, then cutting performance is improved, but positioning becomes laborious and manufacturing complexity increases
Solution Approach 1:
The base body is divided into multiple independent seats, each designed to hold a single cutting plate. This segmentation allows each cutting plate to be positioned and fixed independently without requiring precise alignment with adjacent plates, significantly reducing positioning effort while maintaining effective cutting coverage through the distributed arrangement of multiple plates.
2Productivity
If multiple cutting plates are arranged to work together, then cutting effectiveness is improved, but reciprocal force influences and interference between plates occur
Solution Approach 1:
Each cutting plate is housed in its own separate seat, creating independent operational zones. This spatial segmentation prevents cutting plates from interfering with each other during operation, eliminating reciprocal force influences while maintaining high cutting effectiveness through the collective action of multiple independently functioning plates.
3Reliability
If cutting plates are soldered onto the base body, then wear resistance is improved, but the soldering process becomes complex and time-consuming
Solution Approach 1:
The seats are pre-formed with integrated stops and positioning features during base body manufacturing. This preliminary preparation enables rapid and accurate positioning of cutting plates during the soldering process, reducing the time required for alignment and fixation while ensuring consistent, high-quality welds that maximize wear resistance.
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
This design simplifies production and usage, reduces wear, and extends the tool's lifespan by ensuring effective cutting performance and minimizing reciprocal force influences between cutting elements, while allowing for easy replacement of worn parts.
Implementation Method 1
at least first cutting elements (4) that are attached to the base body (2) or the cartridges (3) in order to cut into the earth along a working direction (12)
Implementation Method 2
The cemented carbide bodies, which are normally embodied in a plate-like shape, can thereby be attached to a base body in non-cutting regions in order to reduce wear of the base body from sliding earth or other abrasive materials
Data Source
AI summary
A soil cultivation tool, in particular a plowshare, includes a base body on which cartridges are optionally arranged and at least first cutting elements that are attached to the base body or the cartridges in order to cut into the earth along a working direction. The first cutting elements are arranged in separate seats.