Tape Mounting Detection System for SMT Feeders
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Solution Overview
Problem
In tape feeders adopting a splicing-less method, there is a risk of tape feeding defects due to forgotten barcode verification, incorrect tape loading, or accidental loading on wrong feeders, leading to erroneous mounting and potential supply issues.
Innovation Solution
A tape erroneous mounting detection system is implemented, comprising sensors, a reader for identification information, and a memory to store verification data, which determines correct tape placement and updates presence information, and detects erroneous mounting by correlating sensor outputs with set positions, alerting operators to prevent defects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If barcode verification is performed manually, then tape mounting accuracy is improved, but operation time increases and operator workload increases
Solution Approach 1:
The system enables self-service verification by automatically reading barcodes and comparing tape information with feeder requirements without operator intervention. The automatic verification unit reads the barcode on the tape reel, extracts identification information, and autonomously determines whether the tape is correctly mounted on the appropriate feeder.
Solution Approach 2:
The patent replaces manual mechanical verification operations with an automated optical and electronic system. Barcode readers, information extraction units, and automatic verification mechanisms substitute for manual visual inspection and decision-making processes.
2Manufacturing precision
If manual tape loading is performed, then tape placement accuracy is improved, but operation complexity increases
Solution Approach 1:
The system provides immediate feedback by comparing the barcode information of the mounted tape with the required tape information for each feeder. The verification unit determines correctness and can provide signals to indicate proper or incorrect mounting, guiding operators and preventing erroneous operations.
Solution Approach 2:
The patent introduces an intermediary verification system between the operator and the mounting process. The barcode reader and information extraction unit act as mediators that automatically check tape identification and communicate verification results, reducing the cognitive load and complexity for operators.
3Productivity
If automatic loading is implemented, then productivity is improved, but error detection capability deteriorates
Solution Approach 1:
The system performs preliminary verification by reading and validating barcode information before the tape is fully mounted or before automatic loading commences. This preliminary check ensures that only correctly identified tapes are loaded, preventing errors from occurring in the first place.
Solution Approach 2:
The verification system provides continuous feedback during and after the automatic loading process, monitoring whether the mounted tape matches the expected identification information. This feedback mechanism maintains reliability by detecting and alerting operators to any mounting errors that occur during high-speed automatic operations.
Data Source
AI summary
A tape erroneous mounting detection system includes sensors provided to the plurality of tape feeders, a reader configured to read identification information from a recording part which is provided to a reel, and a memory part configured to store part verification information. The tape erroneous mounting detection system also includes a part verification part configured to determine whether or not the tape is mounted on the tape feeder at the set position, and to perform verification updating processing, and a tape erroneous mounting detection part configured to perform erroneous mounting detection processing where the tape erroneous mounting detection part identifies the tape feeder on which the tape is mounted based on the tape presence or absence information and the output from the sensor, and the tape erroneous mounting detection part detects that the tape mounted on the tape feeder is erroneously mounted.