Metallization Machine for Small 3D Objects
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Solution Overview
Problem
Current metallization methods for small three-dimensional objects are inefficient, requiring high energy for vacuum creation, limiting production flexibility and continuity, and necessitating manual operation and storage due to the need for simultaneous processing of multiple objects and lengthy vacuum establishment.
Innovation Solution
A machine and method utilizing a continuous, fully automated process with a sputtering technique, featuring a prechamber and loading/unloading chamber for reduced energy consumption and faster cycle times, combined with airless painting and UV drying for primer application and curing, allowing for single-object processing and flexible production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple objects are simultaneously introduced into the metallization chamber, then productivity is improved, but device complexity and energy consumption increase
Solution Approach 1:
The metallization system is divided into multiple independent chambers (first chamber for primer application, second chamber for metallization). This segmentation allows separate vacuum cycles for each chamber, reducing the total energy required compared to creating vacuum for one large chamber containing all objects.
Solution Approach 2:
The system enables continuous processing where objects are transferred from the first chamber to the second chamber without breaking the overall production flow. While one chamber is under vacuum, the other can be prepared or loaded, maintaining continuous productive action.
2Productivity
If multiple objects are simultaneously introduced into the metallization chamber, then productivity is improved, but production flexibility deteriorates
Solution Approach 1:
By dividing the process into separate chambers, the system can process objects in smaller batches or individually through the sequence, allowing flexible modulation of production volume without requiring a single large-chamber vacuum cycle.
Solution Approach 2:
The system allows dynamic adjustment of production parameters by controlling the transfer rate and batch size between chambers, enabling flexible response to varying production demands while maintaining efficient processing.
3Ease of operation
If manual operation and storage spaces are used, then ease of operation is maintained, but device complexity and space requirements increase
Solution Approach 1:
The system incorporates automated transfer mechanisms and vacuum control systems that perform operations independently, reducing the need for manual intervention and extensive storage spaces while maintaining operational simplicity through standardized procedures.
4Manufacturing precision
If lengthy vacuum establishment is required, then manufacturing precision is ensured, but productivity deteriorates
Solution Approach 1:
The vacuum process is segmented into separate chambers that can be evacuated independently and in parallel. This reduces the total time required to achieve proper vacuum conditions for all objects while maintaining the quality standards required for precise metallization.
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
Enables efficient, automated, and flexible metallization of small three-dimensional objects with reduced energy use and minimal operator intervention, achieving precise control over the metallization and coating processes.
Implementation Method 1
This technique is carried out through ejection of atoms, ions or molecular fragments from a solid material, referred to as target, bombarded with a beam of energetic particles, generally a plasma of ions. The ion plasma hits the target that, due to collision, releases atoms and particles that will recondense on the surfaces of the object that is wished to be coated.
Implementation Method 2
downstream of the painting station a UV drying station is provided for curing of the primer
Data Source
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AI summary
A machine for metallization of three-dimensional objects of small sizes comprising a feeding device (2) to supply a succession of objects to be metallized (20), a metallizing device (3) comprising a main sputtering chamber (31) in a condition of permanent vacuum and a loading and unloading chamber (30) for a single object that can be switched between a vacuum condition and an ambient-pressure condition and is operatively connected to the sputtering chamber (31), an unloading device (4) for the sequence of metallized objects (21), which is operatively placed downstream of the metallizing device (3), and a painting station (10, 14) of the airless type, operatively disposed downstream of the feeding device (2) and upstream of the unloading device (4).