Component Mounting Job Segmentation for Feeder Preparation Load
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Solution Overview
Problem
In component mounting systems, the production management computer becomes overwhelmed with processing multiple jobs, leading to complicated job preparation when obtaining all jobs from a production plan.
Innovation Solution
The system shares determined jobs between the host computer and production management computer, allowing the production management computer to prepare only for the determined job, alleviating its processing load by having the loader unload and load component supply devices based on the determined job processing preparation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the production management computer obtains all jobs contained in the production plan, then all jobs can be processed according to the production plan, but the number of jobs becomes too great resulting in complicated job processing preparation
Solution Approach 1:
The patent divides the production plan into multiple production periods and selects only the jobs for the current production period to be processed by the production management computer. This segmentation approach allows the system to handle a manageable subset of jobs at a time while still executing the overall production plan, thereby reducing processing complexity without sacrificing productivity.
Solution Approach 2:
Instead of processing all jobs from the production plan, the system performs partial action by only obtaining and preparing jobs for the current production period. This partial processing approach is sufficient for immediate production needs while avoiding the complexity of preparing all future jobs, thus resolving the contradiction between complete plan execution and processing complexity.
2Loss of time
If the production management computer prepares processing for all jobs, then all future production can be planned, but the load on the production management computer becomes excessive
Solution Approach 1:
The patent segments the production plan by production period and limits job preparation to only the current period. This temporal segmentation reduces the computational load on the production management computer while still enabling effective planning for immediate production, avoiding the excessive load that would result from preparing all future jobs simultaneously.
Solution Approach 2:
The system performs preliminary action by preparing jobs for the current production period in advance, which is sufficient for immediate production needs. This limited preliminary preparation avoids the excessive computational load that would result from preparing all future jobs, while still providing adequate advance planning for current production activities.
Data Source
AI summary
A component mounting system includes a component mounter group, a storage container, a loader, a host computer, and a production management computer. The host computer prepares jobs for each product based on a production plan for producing multiple types of products in which predetermined various types of components are mounted on a mounting target and sets a job in the jobs so prepared that satisfies a specified determination condition as a determined job. The production management computer shares the determined job with the host computer, makes a processing preparation for the determined job and thereafter causes the loader to unload and/or load component supply devices based on the results of the processing preparation for the determined job.