DECD Core Pressing and Alignment for Safer Refurbishment
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Solution Overview
Problem
Existing methods for replacing cores in diesel emission control devices (DECDs) are inefficient and lack a systematic approach for removing and inserting cores of various shapes and sizes, leading to challenges in refurbishing these devices effectively.
Innovation Solution
A system comprising a core press station with a piston and control station, along with a decore and recore shaft, push plate, and adjustable wrapping station, facilitates the removal and insertion of cores using a two-handed sensor system for safe operation and precise alignment, ensuring compatibility with different core shapes and sizes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual methods are used for removing and inserting cores in DECDs, then operational flexibility is maintained, but productivity is low and the process is inefficient
Solution Approach 1:
The system is divided into distinct functional modules: a press station for core removal and insertion, a wrapping station for preparing replacement cores, and a control station for coordinating operations. This segmentation allows each module to be optimized independently while working together to achieve high productivity in core replacement operations.
Solution Approach 2:
The system incorporates automated features where the press station and wrapping station can operate with minimal human intervention. The control station automatically coordinates the sequence of operations, and the system is designed to handle cores of various shapes and sizes through programmable parameters, reducing the need for manual reconfiguration.
2Productivity
If a systematic automated system is implemented for core replacement, then productivity and precision are improved, but device complexity increases
Solution Approach 1:
The press station is designed as a universal device that can handle cores of various shapes and sizes through adjustable parameters and interchangeable tooling. The control station provides a unified interface that manages different core types using programmable parameters, allowing one system to perform multiple functions without requiring separate specialized equipment for each core type.
Solution Approach 2:
The control station acts as an intermediary between the operator and the automated press and wrapping stations. It translates operator inputs into coordinated automated actions, manages the sequence of operations, and handles parameter adjustments for different core types, thereby simplifying the user interface while maintaining systematic automation.
3Reliability
If safety features like two-handed sensor systems are added, then operator safety is improved, but ease of operation decreases
Solution Approach 1:
The two-handed sensor system requires both hands to be engaged with safety buttons before the press operation can initiate. This preliminary safety check prevents accidental activation and ensures operator awareness of the impending hazardous action. The system is designed so that this safety requirement is met through a simple, intuitive interface that does not require complex procedures.
4Adaptability or versatility
If the system is designed to handle various shapes and sizes of cores, then adaptability is improved, but device complexity increases
Solution Approach 1:
The press station incorporates adjustable parameters and programmable settings that can be dynamically configured for different core types. The control station stores multiple parameter sets that can be selected based on the specific core shape and size being processed, allowing the system to adapt to various configurations without requiring physical reconfiguration of the hardware.
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 system enables efficient and economical refurbishment of DECDs by ensuring safe and precise removal and insertion of cores, reducing the risk of operator injury and enhancing the operational efficiency of the devices.
Implementation Method 1
a piston and a working platform; a decore shaft connected to the piston, whereby movement of the piston is configured to push the existing core out of the DECD housing
Implementation Method 2
a recore shaft connected to the piston; whereby movement of the piston is configured to press the replacement core through the stuffing funnel and into the DECD housing
Data Source
AI summary
A system for removing an existing core from a diesel emission control device (DECD) housing may include a press, a control station, a decore shaft for engaging the existing core, and a push plate. In certain embodiments, the system for removing the existing core may include a collection container for receiving the existing core. In certain embodiments, a push plate having a second aperture is configured to allow the existing core to pass therethrough. A method for removing an existing core from a DECD housing may include placing the DECD housing on a working platform, activating a force to cause the existing core to move relative to the DECD housing, wherein the existing core passes through an aperture of the working platform.