Feeder Exchange Management in SMT Mounting Systems
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Solution Overview
Problem
In mounting systems, the existing technologies do not efficiently manage feeder exchanges, particularly during production schedules with multiple types of boards and component shortages, leading to inefficiencies in the changeover process.
Innovation Solution
A management device and method that includes a management control section to acquire the number of feeder exchanges due to component shortages within a predetermined period, setting the number of installation sections for exchange in the buffer installation section, and using the remaining sections for changeover processes, ensuring appropriate resource allocation and efficient feeder exchange.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the feeder is exchanged only at the timing of exchanging the feeder in the mounting installation section, then the mounting system operates with a simple exchange mechanism, but the production efficiency decreases due to insufficient preparation time for changeover processes
Solution Approach 1:
The patent applies preliminary action by performing feeder exchange operations in advance. The mobile work device exchanges feeders in the buffer installation section before the mounting installation section actually needs them, so that when a changeover is required, the new feeders are already prepared and available, reducing the actual changeover time and improving productivity
Solution Approach 2:
The patent segments the installation section into a mounting installation section and a buffer installation section. This segmentation allows independent management of active and standby feeders, enabling the buffer section to prepare feeders in advance while the mounting section continues operation, thus resolving the contradiction between simple exchange mechanisms and production efficiency
2Productivity
If the buffer installation section is used for pre-serving process of changeover, then the changeover process is optimized, but the number of installation sections for exchange may be insufficient
Solution Approach 1:
The management device monitors the number of feeders exchanged due to component shortages and uses this feedback information to dynamically adjust and determine the appropriate number of installation sections required for exchange operations, ensuring that sufficient sections are allocated while optimizing buffer usage for changeover processes
Solution Approach 2:
The system dynamically adjusts the allocation of installation sections between exchange operations and changeover preparation based on actual production needs. The management device determines the number of sections for exchange based on monitored exchange frequencies, allowing the buffer installation section to be flexibly used for pre-serving changeover when capacity permits, thus improving changeover efficiency while maintaining reliability
Data Source
AI summary
A management device includes a management control section configured to acquire the number of exchanges of the feeder which is exchanged due to component shortage within a predetermined period in a mounting installation section from which a mounting section is able to pick up a component, set the number of installation sections for exchange to be used for exchange of the feeder in a buffer installation section from which the mounting section is not able to pick up the component based on the acquired number of exchanges, and use the buffer installation section of the number of installation sections for changeover, which is based on the remaining number excluding the number of installation sections for exchange, in a pre-serving process of a changeover process of the feeder.