Asynchronous Cable Assembly Transport for Higher Station Utilization
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Solution Overview
Problem
Existing systems for assembling electrical cables have limited production capacity due to synchronous movement of workpiece carriers, leading to underutilization of processing stations with shorter processing times and rigid spacing, which restricts flexibility and efficiency.
Innovation Solution
An asynchronous and pitch-free transport device is implemented, allowing for flexible arrangement of processing stations and independent movement of workpiece carriers, enabling simultaneous processing at multiple stations and optimizing space utilization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If synchronous movement of workpiece carriers is used, then the system structure is simple and rigid, but the production capacity is limited and processing stations with shorter processing times are underutilized
Solution Approach 1:
The patent applies the dynamics principle by transitioning from synchronous to asynchronous movement of workpiece carriers. Each carrier can now be moved independently at different speeds and at different times, allowing the system to adapt dynamically to varying processing times at different stations. This resolves the contradiction by enabling higher productivity through flexible scheduling while managing complexity through modular control architecture.
Solution Approach 2:
The patent segments the transport system into independently controllable workpiece carriers, each capable of autonomous movement. This segmentation allows different carriers to be processed at different stages simultaneously, eliminating the bottleneck caused by synchronous movement and maximizing the utilization of processing stations with varying processing times.
2Adaptability or versatility
If fixed pitch transport is used, then the spacing of processing stations is rigidly fixed, but the adaptability and space utilization are reduced
Solution Approach 1:
The patent implements dynamic positioning of workpiece carriers, allowing them to be moved to any location along the transport path without being constrained by a fixed pitch. This enables flexible arrangement of processing stations according to actual production needs and optimizes space utilization, while the modular transport device manages complexity through standardized components.
3Productivity
If multiple processing stations with different processing times are used, then the functional capability is enhanced, but the cycle time is determined by the longest processing station causing underutilization
Solution Approach 1:
The patent applies preliminary action by allowing workpiece carriers to undergo processing at different stations simultaneously rather than waiting in sequence. Carriers can be prepared and moved to different processing stations in advance, enabling parallel processing and eliminating idle waiting time caused by the longest processing station.
Solution Approach 2:
The asynchronous transport system ensures continuous useful action by keeping all processing stations actively engaged at all times. Workpiece carriers are continuously moved between stations without idle periods, maximizing the utilization efficiency of each processing station and eliminating the time loss associated with synchronous cycle waiting.
Data Source
AI summary
A module (2) for a system (1) for assembling electric cables (19) includes a machine base (5) on which at least one processing station (22) for processing electric cables is mountable, and an asynchronous and pitch-free transport device (7) configured to transport at least one of the electric cables to and/or away from the at least one processing station.