Silicon Cooling Arm Assembly Mechanism for Cryogenic Targets
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Solution Overview
Problem
The assembly of silicon cooling arms and aluminum sleeves in inertial confinement fusion experiments is manually performed, leading to inconsistent force application, reduced accuracy, and potential damage to the silicon cooling arm.
Innovation Solution
An automated assembly method using a mechanism comprising a strut stop, coaxial connector, rotary table, and connecting shaft, which allows for precise alignment and force distribution across the secondary bifurcated clamping arms, ensuring consistent force application and minimizing damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If manual assembly is used for silicon cooling arm and aluminum sleeve, then operation flexibility is maintained, but installation accuracy deteriorates and cannot meet experimental requirements
Solution Approach 1:
A specialized assembly device is introduced as an intermediary between the manual operator and the silicon cooling arm components. This device includes positioning structures, clamping mechanisms, and alignment guides that mediate the assembly process, ensuring precise installation accuracy of within 1 μm while reducing direct manual handling of fragile components.
2Object-affected harmful factors
If manual assembly is used, then device complexity is reduced, but force consistency deteriorates and causes surface damage to silicon cooling arm
Solution Approach 1:
The assembly device incorporates force control mechanisms that regulate and standardize the assembly forces applied to the silicon cooling arm. By controlling parameters such as clamping force, insertion force, and positioning force within specific ranges, the device prevents surface damage while maintaining consistent force distribution across all clamping points.
Solution Approach 2:
The assembly device is divided into multiple independent functional modules including separate positioning mechanisms, clamping units, and alignment systems. Each module independently controls a specific aspect of the assembly process, allowing precise force distribution across multiple clamping arms without requiring excessive overall device complexity.
3Productivity
If manual assembly is used, then ease of operation is maintained, but productivity deteriorates and efficiency is insufficient for experimental requirements
Solution Approach 1:
The assembly device incorporates self-positioning and self-alignment mechanisms that automatically adjust components during the assembly process. The device guides the silicon cooling arm components into correct positions without requiring complex manual alignment operations, thereby improving productivity while maintaining operational simplicity.
Data Source
AI summary
An assembly method for a silicon cooling arm that connects a cool source to an aluminum sleeve of a cryogenic target includes a bulb of a strut (2) preset in an arc-shaped groove (5-3) of a rotary table (5). Additionally, a first section (3-1) of a connecting shaft (3) is inserted into a center insertion hole (5-2) of the rotary table (5). A second section of the connecting shaft (3) is attached to an upper surface of a disk body (5-1). A coaxial connector (4) and a strut stop (1) are sheathed on the connecting shaft (3). A recessing (2-2) of the strut (2) is fitted onto a boss (1-2) of the groove in the strut stop (1). Finally, a fifth section (3-5) of the connecting shaft (3) is inserted into a hollow part in a hollow disk body (1-1) of the strut stop (1).