Automated Ceramic Shell Production Line for Investment Casting
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Solution Overview
Problem
The traditional ceramic shell making process in lost-wax investment casting is labor-intensive, inefficient, and environmentally unfriendly, with manual operations involving hazardous chemicals and sanding processes that pose health risks to operators.
Innovation Solution
A production line system incorporating a conveyor chain system, robotic arm, slurry coating device, sanding device, and drying device, controlled by a centralized control center, automates the coating, sanding, and drying processes, improving efficiency and reducing operator exposure to harmful substances.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual operations are used for slurry coating and sanding, then operators can directly control the process, but labor intensity is high and operators are exposed to hazardous chemicals and sand
Solution Approach 1:
The patent replaces manual mechanical operations with automated robotic systems. A robotic arm equipped with specialized end effectors performs slurry coating and sanding operations, eliminating direct operator contact with hazardous materials while maintaining precise process control through automated positioning and motion control systems
Solution Approach 2:
The patent introduces automated equipment as an intermediary between the operator and the hazardous process. The robotic system acts as a mediator that handles the dangerous tasks of mixing, coating, and sanding, while operators remotely monitor and control the process through control panels and sensors, thus protecting operators from chemical and dust exposure
2Productivity
If manual operations are used for ceramic shell making, then process flexibility is maintained, but production efficiency is low
Solution Approach 1:
The patent divides the ceramic shell making process into distinct operational segments: slurry mixing, coating, sanding, and drying. Each segment is handled by specialized automated equipment or workstations, allowing independent optimization of each process step while maintaining overall production efficiency and reducing the complexity burden on any single system
Solution Approach 2:
The robotic arm is designed with multi-functional capabilities to perform multiple operations including gripping, slurry coating, and sanding. By equipping the robotic system with interchangeable end effectors and programmable control, a single automated platform handles various process steps, improving productivity while avoiding the need for multiple separate automated systems
3Manufacturing precision
If multiple layers of ceramic material are coated manually, then uniform coating can be achieved, but the process is labor intensive and time-consuming
Solution Approach 1:
The patent implements continuous automated coating operations where the robotic arm applies multiple layers of ceramic slurry in succession without interruption. The system maintains continuous motion and coating application, eliminating the start-stop nature of manual operations, thereby achieving uniform coating thickness across multiple layers while significantly reducing total process time
Solution Approach 2:
The robotic coating system employs dynamic motion control with variable speed and positioning adjustments during the coating process. The robotic arm dynamically adapts its movement patterns to ensure uniform slurry application across complex geometries, maintaining manufacturing precision while operating at high speeds to reduce coating time
Data Source
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AI summary
The present disclosure discloses a production line for ceramic shell making and a method for ceramic shell making. The production line may include a conveyor chain system, a robotic arm, a slurry coating device, and a sanding device. The conveyor chain system may be configured to convey a batch of modules. The robotic arm may be configured to replace and remove one or more modules among the batch of modules relative to the conveyor chain system and hold the one or more modules during a plurality of subsequent operations. The robotic arm may be configured to be moveable to a plurality of positions each of which corresponds to one of a plurality of stations. The slurry coating device may be configured to coat the one or more modules in slurry. The sanding device may be configured to sand the one or more modules.