Component Web Tool Scheduling for Assembly Line Throughput
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Solution Overview
Problem
Existing assembly lines with multiple tools arranged in series face throughput limitations due to the need for all tools to adapt to the slowest processing time, leading to inefficient use of resources and reduced overall throughput.
Innovation Solution
An apparatus and method that allows tools to operate in multiple processing areas with shared partial paths, where the number of tools is less than the number of machining locations, enabling efficient utilization of tools by allowing them to work on partial paths rather than complete rows, and utilizing a control unit to synchronize and optimize tool operation based on component web movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple tools are arranged in series in traditional assembly lines, then each tool can process complete rows of components, but the overall throughput is limited because all tools must adapt to the slowest processing time
Solution Approach 1:
The patent divides the component web processing into multiple partial paths, where each tool is assigned to process specific partial paths rather than complete rows. This segmentation allows tools with different processing speeds to work independently on different segments, eliminating the bottleneck effect where all tools must wait for the slowest tool. The component web is split into first, second, and third partial paths that can be processed in parallel by different tools.
Solution Approach 2:
The patent implements a dynamic control system that can flexibly assign and reassign partial paths to different tools based on their current status and processing capabilities. The control unit dynamically coordinates the movement of the component web and the operation of multiple tools, allowing the system to adapt to varying processing speeds and optimize throughput in real-time.
2Productivity
If tools are assigned to process complete rows, then each tool has a dedicated workload, but the number of tools required increases when more machining locations need to be served
Solution Approach 1:
The patent makes tools universal by enabling them to process multiple different partial paths rather than being dedicated to a single complete row. Each tool can be dynamically assigned to different partial paths (first, second, or third partial paths) depending on the current processing needs and tool availability. This multi-functionality reduces the total number of tools required while maintaining high processing capacity.
Solution Approach 2:
The control system dynamically reconfigures the assignment of partial paths to tools based on real-time conditions. Instead of static tool-row assignments, the system can flexibly redistribute workloads, allowing a smaller number of tools to handle varying processing demands across multiple partial paths efficiently.
3Ease of operation
If all tools operate simultaneously on complete rows, then resource utilization appears high, but idle time occurs when tools wait for the slowest processor
Solution Approach 1:
By segmenting the processing into independent partial paths, the patent eliminates the synchronized waiting that occurs in traditional complete-row processing. Each tool processes its assigned partial path at its own optimal speed without being constrained by the slowest tool in the system. This segmentation transforms the system from a synchronized bottleneck to independent parallel operations.
Solution Approach 2:
The patent ensures continuous useful action by preventing idle waiting time. Since each tool works independently on its assigned partial path, tools remain continuously productive without stopping to wait for other tools. The control unit coordinates component web movement to ensure each tool has continuous access to components on its assigned partial paths.
Data Source
AI summary
Apparatuses and methods for operating at least two tools in a first and at least a second processing area, wherein in each processing area a number of machining locations is assigned to the tool by which first components carried by a component web are conveyed along a track through the first and the at least second processing area, wherein the total number of tools in the apparatus is less than the number of machining locations in each processing area, wherein the track comprises a number of partial paths corresponding to the number of machining locations, wherein the tool of each processing area is adapted such as to couple respective second components to respective first components at each associated machining location in its processing area, and wherein the apparatus comprises a control unit adapted to operate in response to a conveying movement of the component web along the track.