Manufacturing Cell Layout With Localized Warehouse Item Supply
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Solution Overview
Problem
Existing manufacturing systems face inefficiencies in supplying items to workstations due to limitations in robot movement and interference with human operators, as well as the need for centralized warehouse synchronization, which can lead to increased distances and reduced productivity.
Innovation Solution
A partially automated manufacturing cell is integrated with an automated warehouse, where a robot supplies items to workstations arranged around it, with a shared frame design that minimizes interference and allows for localized storage and retrieval, using radial, axial, or vertical conveyors to manage item distribution, and enabling the robot to rotate and move within a limited space.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If a centralized warehouse is used to supply items to workstations, then item storage capacity is improved, but the distance between warehouse and workstations increases and synchronization complexity increases
Solution Approach 1:
The centralized warehouse is segmented into multiple decentralized automated storage units distributed around the workstations. Each storage unit is positioned close to specific workstations, reducing the distance for item retrieval while maintaining adequate storage capacity through the collective network of distributed units.
Solution Approach 2:
The storage system transitions from a single centralized location to a three-dimensional distributed network of storage units positioned at multiple locations around the workstations. This spatial redistribution reduces linear distance while preserving total storage volume through vertical and radial arrangement.
2Adaptability or versatility
If a robot moves freely to supply items to workstations, then flexibility in item supply is improved, but interference with human operators increases
Solution Approach 1:
The robot is extracted from the shared workspace with human operators and placed within an enclosed automated warehouse structure. This separation eliminates physical interference and safety concerns while the robot maintains flexibility in supplying items through automated retrieval and delivery mechanisms that operate independently of human presence.
Solution Approach 2:
An automated conveyor or transfer mechanism serves as an intermediary between the robot in the warehouse and the workstations. This mediator handles the physical transfer of items, allowing the robot to operate freely within the warehouse while minimizing direct interaction with human operators at the workstations.
3Reliability
If the robot operates in a limited space within the manufacturing cell, then safety is improved, but the robot's movement range is reduced
Solution Approach 1:
The robot's operational space is segmented into distinct zones: a confined warehouse area for storage and retrieval, and a delivery area near workstations. The robot operates safely within the confined warehouse boundaries and uses automated transfer mechanisms for item delivery, effectively extending its functional range without compromising safety through physical boundaries.
Data Source
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AI summary
Provided is a partially automated manufacturing cell (10). The manufacturing cell (10) includes a robot (12) and workstations (14,16, 18) which are arranged around the robot (12). The robot (12) is configured to supply items (20, 22, 24) to the workstations (14, 16, 18).