Modular Flat Wetblast Nozzle for Uniform Surface Finishes
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Solution Overview
Problem
Existing wetblasting systems face challenges in achieving precise and uniform surface finishes due to difficulties in controlling the amount of roughness, leading to irregularities such as striping, and require costly replacements or rebuilds as nozzle components wear out.
Innovation Solution
A modular flat wetblast nozzle design with interchangeable components, including a slurry inlet chamber, air inlet chamber, mixing chamber, and air jet manifold, allowing for customizable configurations to achieve specific surface finishes and easy replacement of worn parts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a traditional wetblast nozzle is used, then the nozzle can perform wetblasting operations, but the surface finish uniformity deteriorates due to difficulty in controlling roughness and striping irregularities
Solution Approach 1:
The nozzle is divided into multiple independent nozzles arranged in an array, with each nozzle independently controllable through separate air supply lines. This segmentation allows precise control of each nozzle's output, enabling uniform surface finish by adjusting individual nozzle performance to compensate for variations and eliminate striping irregularities.
Solution Approach 2:
The system incorporates adjustable air supply lines connected to each nozzle, allowing dynamic control of air pressure and flow rate to each individual nozzle. This dynamic adjustment capability enables real-time optimization of each nozzle's output to achieve uniform surface finish and control roughness variations during wetblasting operations.
2Duration of action of stationary object
If nozzle components are made robust to withstand wear, then durability improves, but the complexity of the nozzle structure increases
Solution Approach 1:
The nozzle assembly is segmented into multiple independent nozzle units, each with its own air supply line and control mechanism. This modular segmentation allows individual nozzles to be replaced or maintained without affecting the entire system, reducing overall complexity while improving durability through targeted component replacement.
Solution Approach 2:
The modular nozzle design enables easy replacement of worn individual nozzles or nozzle components without requiring replacement of the entire nozzle assembly. This approach improves durability by allowing selective replacement of worn parts while maintaining system functionality, thereby reducing complexity compared to replacing the entire structure.
3Ease of repair
If the nozzle is designed for easy component replacement, then ease of repair improves, but the device complexity increases due to multiple interchangeable parts
Solution Approach 1:
The nozzle is segmented into standardized modular units with uniform connection interfaces and control mechanisms. This segmentation enables easy replacement of individual nozzles or components through standardized mounting and connection systems, improving ease of repair while managing complexity through standardization rather than customization.
Solution Approach 2:
The nozzle system employs universal standardized interfaces and control mechanisms across all nozzle units, allowing any nozzle or component to replace any other in the system. This universality simplifies repair operations by eliminating the need for specialized replacement parts for different positions, reducing the effective complexity despite having multiple interchangeable components.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The modular design enables precise and uniform surface blasting with reduced costs by allowing for easy component swapping and customization, enhancing robustness and efficiency in wetblasting operations.
Implementation Method 1
an air jet manifold removably mountable between the slurry plate and the air plate and configured to receive slurry from the slurry inlet chamber via the slurry plate and to receive air from the air inlet chamber via the air plate, and further configured to force the slurry and air into the mixing chamber to create a flattened mixture that is expelled between the slurry plate and air plate
Data Source
AI summary
A modular flat wetblast nozzle. The nozzle includes: a slurry inlet chamber coupled to a slurry plate; an air inlet chamber coupled to an air plate; a mixing chamber formed between the slurry plate and air plate; and an air jet manifold removably mountable between the slurry plate and the air plate and configured to receive slurry from the slurry inlet chamber via the slurry plate and to receive air from the air inlet chamber via the air plate, and further configured to force the slurry and air into the mixing chamber to create a flattened mixture that is expelled between the slurry plate and air plate.