Rotational Table Load Separation for Compact Assembly
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Solution Overview
Problem
Conventional production apparatuses for mechanical and electronic components require a robust rotational table to endure loads during processes like press-fit, leading to increased size and cost, and are not optimized for simplification and cost reduction.
Innovation Solution
A production apparatus with a rotational table that intermittently rotates and is supported by holding/transfer units and loading portions, allowing processes to be performed on processing tables without the rotational table bearing the load, enabling size reduction and simplification while efficiently assembling and processing components using a jig.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the rotational table is made robust to endure loads during press-fit processes, then the reliability and load-bearing capability are improved, but the size and manufacturing cost increase
Solution Approach 1:
The system is divided into two functional parts: the rotational table main body which provides positioning and rotation functions, and separate processing tables that provide load-bearing surfaces for processes like press-fit. This segmentation allows the rotational table to remain lightweight while processes are performed on dedicated processing tables that can support the required loads.
Solution Approach 2:
Processing tables act as intermediary elements between the rotational table and the processing units. The processing tables are positioned on the rotational table during rotation but provide a separate load-bearing surface, so the rotational table itself does not need to endure the full load of processing operations.
2Reliability
If the rotational table is made robust to endure loads, then the reliability of load-bearing processes is improved, but the manufacturing cost increases
Solution Approach 1:
By separating the rotational function from the load-bearing function into different components (rotational table main body vs. processing tables), each component can be manufactured optimally for its specific purpose, reducing overall manufacturing cost while maintaining process reliability.
Solution Approach 2:
The processing tables serve multiple functions: they provide load-bearing surfaces for processing operations, act as transfer surfaces for moving components between stages, and can be easily replaced or adjusted. This multi-functionality reduces the need for an overly robust rotational table structure.
3Device complexity
If processes are performed on the rotational table, then the integration and simplicity of the apparatus structure are improved, but the size and cost increase due to load-bearing requirements
Solution Approach 1:
The apparatus is segmented into the rotational table main body for positioning/rotation and separate processing tables for load-bearing operations. This maintains structural integration at the system level while allowing individual components to be optimized for their specific functions, avoiding the need for an oversized rotational table.
Data Source
AI summary
A production apparatus for producing a component assembly by sequentially performing predetermined processes in a plurality of processing areas (A1 to A6) arranged in a ring formation and then, by separating a jig. The apparatus includes a rotational table main body (20), a plurality of holding/transfer units (30) rotatable integrally with the rotational table main body and capable of holding an object and transferring the same onto processing tables in the plurality of processing areas, a plurality of loading portions (40) provided on the rotational table main body corresponding to the plurality of holding/transfer units and capable of loading the jig, and a plurality of processing units (60 to 110) provided for performing predetermined processes in the plurality of processing areas.