HDD Lid Separation Using Gap-Sensing Blade Alignment
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Solution Overview
Problem
Current methods for decommissioning hard disk drives (HDDs) fail to adequately ensure data security, maintain a verifiable chain of custody, minimize environmental contamination, and promote recyclability, while meeting regulatory requirements for destruction and recycling.
Innovation Solution
An apparatus and method for disassembling HDDs into separate material streams using an automated disassembly process that separates components like covers, motors, magnets, and platter assemblies without grinding or shredding, ensuring data security and enabling efficient recycling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If HDDs are destroyed by grinding or shredding, then data security is achieved, but environmental contamination increases and recyclability is reduced
Solution Approach 1:
The disassembly apparatus divides the HDD into multiple separate components (platters, housing, circuit board, motor, magnets) through automated mechanical separation. This segmentation allows each component to be collected in separate bins, enabling targeted recycling while ensuring platters are isolated for secure data destruction, thus resolving the contradiction between data security and environmental protection.
2Reliability
If HDDs are destroyed by grinding or shredding, then data security is achieved, but recyclability is reduced
Solution Approach 1:
By automatically separating the HDD into distinct components, the apparatus enables each part to be recycled through appropriate channels. The platters are isolated for secure destruction, while other components like housing, motors, and magnets are collected separately for material recovery, thus maintaining recyclability while ensuring data security.
Solution Approach 2:
The system selectively discards the platters (which contain sensitive data) for secure destruction while recovering and separating other valuable components for recycling. This selective discarding and recovery process ensures data security is maintained while maximizing the recyclability of non-sensitive components.
3Ease of manufacture
If manual disassembly is used, then component separation for recycling is achieved, but productivity is reduced and chain of custody verification is difficult
Solution Approach 1:
The disassembly apparatus is self-contained and automated, performing all separation functions without requiring manual intervention. The system automatically feeds HDDs, separates components using mechanical means, and collects them in designated bins, thereby high productivity while ensuring consistent component separation for recycling.
Solution Approach 2:
The apparatus incorporates sensors and control systems that monitor the disassembly process, track component separation, and verify chain of custody. This feedback mechanism ensures accurate component separation for recycling while maintaining productivity through automated control and tracking.
4Productivity
If automated disassembly is implemented, then productivity is improved, but device complexity increases
Solution Approach 1:
The disassembly apparatus is designed as a multi-functional integrated system that performs feeding, separation, collection, and tracking functions within a single automated platform. This universal design achieves high productivity while managing complexity by consolidating multiple functions into one coordinated apparatus rather than requiring separate systems for each function.
Data Source
AI summary
An apparatus for separating components of a hard disk drive includes a separating blade mounted on a blade mount and a sensor to detect a gap or seam between a hard disk drive lid and housing. The separating blade defines a bevel edge that can be aligned with the gap or seam. The alignment of the separating blade to the gap is in response to a signal generated by the sensor. In certain instances, the sensor is a laser. Opposing drive rollers are configured to contact a hard disk drive for movement of the hard disk drive into the separating blade.