SMT Pallet Identification for Faster Tape Reel Setup
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Solution Overview
Problem
The existing handling systems for components in Surface Mount Technology (SMT) systems, particularly for pallets, are inefficient and prone to errors due to the manual selection and alignment of individual tape reels and feeders, leading to increased setup time and potential mistakes during the pick-and-place process.
Innovation Solution
A method where pallets with attached identity tags are gripped and scanned by an automated Surface Mount Device (SMD) warehouse, allowing for pre-threaded and coded component tape reels to be stored and retrieved as pre-configured units, eliminating the need for manual selection and alignment, and enabling automated identification and loading of components into the pick-and-place machine.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual selection and alignment of individual tape reels and feeders is used, then flexibility in component handling is maintained, but setup time increases and errors occur
Solution Approach 1:
The patent combines multiple individual tape reels and feeders into a single integrated pallet unit with a unified identity tag. This merging allows the automated warehouse to handle and identify the entire assembly as one unit, eliminating the need for manual selection and alignment of individual components while maintaining flexibility through programmable pallet configurations.
Solution Approach 2:
The patent implements preliminary configuration where tape reels are pre-assembled onto pallets and pre-threaded with components before being stored in the automated warehouse. This preliminary action reduces setup time during production changes, as pre-configured pallets can be quickly retrieved and deployed without requiring manual assembly or alignment operations.
2Productivity
If automated gripping and scanning of pallets with identity tags is implemented, then handling efficiency improves, but system complexity increases
Solution Approach 1:
The pallets are equipped with self-identifying identity tags (such as barcodes or RFID tags) that automatically provide information to the scanning system. This self-service approach allows the pallets to identify themselves during handling operations, improving efficiency while keeping the scanning and recognition systems relatively simple and cost-effective.
Solution Approach 2:
The patent replaces manual mechanical operations of selecting and aligning individual tape reels with an automated optical or electromagnetic scanning system. The identity tags on pallets enable automatic recognition and tracking, substituting complex manual mechanical alignment processes with simpler automated detection systems that read visual or electromagnetic identifiers.
3Manufacturing precision
If pre-configured pallets with pre-threaded tape reels are used, then mounting precision improves, but device complexity increases
Solution Approach 1:
The patent implements preliminary configuration where tape reels are pre-threaded with components and pre-assembled onto pallets in the correct sequences and orientations before being stored in the automated warehouse. This preliminary action ensures that when pallets are retrieved for production, the components are already positioned for precise mounting, eliminating the need for complex real-time adjustment mechanisms during operation.
Solution Approach 2:
The patent divides the component supply system into modular pallet units, each independently configured with specific tape reel arrangements. This segmentation allows each pallet to be optimized for specific component types and mounting patterns, improving precision for different product configurations without requiring the entire system to be reconfigured, thus managing complexity through modularity.
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 approach reduces setup time, minimizes errors, and streamlines the component handling process by automating the identification and loading of pre-configured pallets, enhancing the efficiency and accuracy of the SMT system operations.
Implementation Method 1
an optical scanner adapted to scan the identity tag on the bin load unit
Data Source
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AI summary
A method in a Surface Mount Technology (SMT) system for handling a pallet, wherein said pallet is configured with an attached identity tag in a predetermined position, wherein said pallet is adapted to comprise a component tape reel, the method comprising gripping said bin load unit comprised in a bin; and optically scanning said identity tag.