Telescopic Coldwork Tool With Interchangeable Mandrels
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Solution Overview
Problem
Current coldwork tools require hydraulic lines and electricity, making them unsuitable for remote or cost-prohibitive applications and limiting their use to multiple mandrel styles and tight spaces.
Innovation Solution
A hand-operated coldwork tool with interchangeable mandrels that can accommodate various commercially available mandrel styles, eliminating the need for hydraulic lines or compressed air, and featuring a telescopic design for extended diameter range and compact size.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional coldwork equipment with hydraulic lines and electricity is used, then coldworking can be performed with sufficient power, but the equipment cannot be used in remote locations and requires complex infrastructure
Solution Approach 1:
The invention extracts the essential coldworking function from complex hydraulic and electrical systems, creating a standalone manual tool that delivers sufficient coldworking power through direct mechanical action without requiring external infrastructure
Solution Approach 2:
The manual coldwork tool is self-powered through direct user operation, eliminating dependence on external hydraulic lines, electricity, or compressed air systems, making it fully portable and suitable for remote locations
2Adaptability or versatility
If a single coldwork tool design is used, then the tool structure remains simple, but it cannot accommodate multiple mandrel styles
Solution Approach 1:
The coldwork tool incorporates a universal interface system with multiple adapter options that enable compatibility with various mandrel styles (threaded, grooved, smooth) while maintaining a consistent basic tool structure, achieving multi-functionality without proportionally increasing complexity
Solution Approach 2:
The tool design separates the universal tool body from interchangeable mandrel-specific components, allowing the main tool structure to remain simple while accommodating different mandrel types through modular attachments
3Adaptability or versatility
If the coldwork tool is designed for extended diameter range, then it can work with various mandrel sizes, but the tool size increases making it difficult to use in tight spaces
Solution Approach 1:
The coldwork tool employs a telescopic or extendable mechanism that allows the working diameter to be dynamically adjusted based on the specific mandrel size required, enabling the tool to maintain a compact storage size while achieving extended operational diameter range when needed
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 coldworking in remote locations and tight spaces without hydraulic lines, supporting multiple mandrel styles and reducing tool size for improved accessibility and cost-effectiveness.
Implementation Method 1
coldwork is the process of plastically deforming a metal at a temperature below its annealing point in order to increase the hardness and tensile strength of the metal
Data Source
AI summary
A coldwork tool assembly including an outer housing and an inner housing in telescopic arrangement with each other and a retaining collar configured to accommodate a plurality of mandrel configurations. One of a plurality of various mandrels is removably coupled to the inner housing using the retaining collar to secure the mandrel to the inner housing as the inner housing moves between a contracted and an expanded position relative to the outer housing.