Automated Inspection Workcell Using Robotic Manipulator
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Solution Overview
Problem
Conventional part inspection methods are manual, error-prone, and require transporting parts between different locations, leading to increased delays and costs.
Innovation Solution
A compact, scalable, and modular automated inspection workcell using a 6-DOF robotic manipulator to transport parts between inspection stations, including high-fidelity laser scanners and hardness testers, within a hexagonal configuration, allowing for centralized and efficient inspection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual inspection methods are used with hand gauges and optical comparators, then inspection can be performed at different locations, but inspection time increases significantly and errors increase
Solution Approach 1:
Multiple inspection stations (laser scanner, hardness tester, roughness tester) are merged into a single integrated workcell, allowing all inspections to be performed at one location rather than transporting parts between separate facilities. This consolidation eliminates transportation time and enables automated sequential inspection.
Solution Approach 2:
The robotic manipulator performs automated part handling and transportation between inspection stations without human intervention. The system serves itself by automatically loading parts onto the robot, transporting them through the inspection sequence, and placing them in the output rack, eliminating manual labor time.
2Ease of manufacture
If manual inspection is performed at different locations, then flexibility in inspection placement is maintained, but transportation requirements increase delays and costs
Solution Approach 1:
All inspection functions are merged into one centralized workcell location, eliminating the need to transport parts between multiple separate inspection locations. The robotic manipulator moves parts only within the compact workcell environment, reducing transportation time and costs while maintaining inspection capability.
Solution Approach 2:
The single workcell location provides universal access to all inspection functions (laser scanning, hardness testing, roughness measurement) through the robotic manipulator, replacing the need for multiple separate inspection locations and their associated transportation requirements.
3Productivity
If automated inspection stations are implemented, then inspection speed increases, but system complexity increases
Solution Approach 1:
The automated inspection system is segmented into discrete, modular inspection stations (laser scanner, hardness tester, roughness tester), each performing a specific function. The robotic manipulator sequentially transports parts between these segmented stations, managing complexity through functional decomposition while maintaining high throughput.
Solution Approach 2:
The robotic manipulator serves as an intermediary that coordinates between multiple automated inspection stations, managing the flow of parts through the system. This intermediary component simplifies the overall system architecture by providing a single automated handling mechanism that interfaces with all inspection stations.
Data Source
AI summary
An inspection workcell includes an equipment rack for securing one or more part trays comprising inspection parts, one or more inspection stations for inspecting the inspection parts, and a robotic manipulator for transporting the one or more part trays from the equipment rack to the one or more inspection stations.