Flaskless Molding Equipment Control Circuit for Rapid Restoration
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Solution Overview
Problem
Flaskless molding equipment with combined pneumatic and oil hydraulic circuits often experiences operational issues due to lack of experienced maintenance personnel, leading to prolonged downtime and difficulty in diagnosing and resolving problems, especially in small and medium-sized enterprises and developing countries.
Innovation Solution
The equipment incorporates a control circuit that monitors movements and operations, providing a user-friendly display and input system to guide operators in identifying and addressing issues, including flow charts to determine causes of stoppages, allowing non-experienced personnel to quickly restore the equipment to normal operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If flaskless molding equipment with combined pneumatic and oil hydraulic circuits is used, then equipment size and initial investment cost are reduced, but maintenance difficulty and downtime increase due to lack of experienced personnel
Solution Approach 1:
The control circuit automatically monitors operational parameters and diagnoses troubles without requiring experienced maintenance personnel. The system self-identifies the cause of stoppages and guides operators through restoration procedures, enabling less skilled workers to maintain the equipment independently.
Solution Approach 2:
The control circuit continuously monitors operational parameters and provides real-time feedback on system status. When abnormalities are detected, the system automatically generates diagnostic information and guides operators through corrective actions, creating a closed-loop maintenance system that reduces dependency on experienced personnel.
2Device complexity
If manual troubleshooting without automated monitoring is used, then device complexity is reduced, but loss of time for diagnosis and restoration increases significantly
Solution Approach 1:
The control circuit pre-monitors operational parameters and identifies potential troubles before they cause stoppages. By detecting abnormalities early and automatically generating diagnostic guidance, the system enables faster response and reduces the time required for diagnosis and restoration.
Solution Approach 2:
The system provides real-time feedback on operational status and automatically generates diagnostic information when troubles occur. This continuous monitoring and immediate feedback mechanism significantly reduces the time needed for manual troubleshooting and accelerates the restoration process.
3Ease of repair
If experienced maintenance personnel are deployed, then ease of repair is improved, but labor cost increases
Solution Approach 1:
The control circuit performs self-diagnosis and provides automated guidance for maintenance operations. This self-service capability allows less skilled workers to perform maintenance tasks that would traditionally require experienced personnel, thereby reducing labor costs while maintaining adequate maintenance capability.
Solution Approach 2:
The control circuit acts as an intermediary between the equipment and the operator. It translates complex mechanical and hydraulic troubles into understandable diagnostic information and guides operators through restoration procedures, enabling less skilled workers to effectively maintain the equipment without requiring expensive expert labor.
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 solution enables rapid diagnosis and restoration of equipment, reducing downtime and improving maintenance capabilities even for inexperienced operators, by clearly displaying operational steps and potential causes of stoppages, facilitating prompt corrective actions.
Implementation Method 1
a mechanism for driving a cylinder that drives each cylinder, the mechanism for driving a cylinder comprising a pneumatic circuit, or a combined circuit comprising a pneumatic circuit and an oil hydraulic circuit
Implementation Method 2
a mechanism for driving a cylinder that drives each cylinder, the mechanism for driving a cylinder comprising a pneumatic circuit, or a combined circuit comprising a pneumatic circuit and an oil hydraulic circuit
Data Source
AI summary
A flaskless molding equipment for molding a mold that provides support for quickly restoring the stopped equipment to a normal operation. The control circuit monitors the movements of the movable members, the cylinders, and the mechanisms for driving a cylinder, and if the period of the operation of each step of the flaskless molding equipment for molding a mold from the start of the operation to the point where the operation of the flaskless molding equipment for molding a mold reaches the predetermined position exceeds the predetermined period that is set to be abnormal, then the control circuit provides support for restoring the stopped equipment to a normal operation, following the instructions displayed on the screen and following the operator's input by means of an input switch.