Composite Hydraulic Tool Head for Lower Weight and High Strength
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Solution Overview
Problem
Conventional hydraulic crimping and cutting tools are often heavy due to their steel composition, which affects their usability and efficiency, as they lack lightweight yet durable alternatives.
Innovation Solution
The use of lightweight, high-strength materials such as titanium, titanium alloys, and carbon fibers in the construction of tool heads and inserts, which are strategically oriented to absorb stress and enhance the tool's performance, reducing weight while maintaining strength.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If steel composition is used in tool heads, then strength and durability are ensured, but tool weight increases significantly
Solution Approach 1:
The patent applies composite materials by combining carbon fiber reinforced polymer (CFRP) with metal inserts. The CFRP provides lightweight structure while metal inserts (made of steel, titanium, or other metals) provide localized strength and durability at critical stress points. This composite approach resolves the contradiction by achieving both weight reduction and maintained strength through material combination rather than using solid steel throughout.
Solution Approach 2:
The patent implements local quality by placing metal inserts only at specific locations where strength is critically needed, such as at stress concentration points, jaw interfaces, and mounting areas. The majority of the tool head structure uses lightweight CFRP material. This localized application of heavy material resolves the contradiction by providing strength only where necessary while maintaining overall lightweight construction.
2Weight of moving object
If lightweight materials like carbon fiber and titanium are used, then tool weight is reduced, but manufacturing complexity increases
Solution Approach 1:
The patent applies segmentation by dividing the tool head into multiple components: a CFRP body structure and separate metal inserts. These segments are manufactured independently using appropriate processes (composite molding for the body, machining or forging for inserts) and then assembled together. This segmentation resolves the manufacturing complexity issue by allowing each component to be optimized and produced separately using established industrial processes.
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 implementation of these materials results in a significant reduction in tool weight while maintaining or exceeding the strength and durability required for crimping and cutting operations, enhancing the tool's overall performance and usability.
Implementation Method 1
aligning fibers of carbon fiber in the direction of the stress field so that at least 75 percent of the fibers are oriented in the direction of the stress field
Implementation Method 2
curing a composite matrix around the fibers to form the jaw head
Data Source
AI summary
Embodiments of the disclosure provide a tool head for a hydraulic tool. The tool head includes a variety of lightweight, high-strength materials, such as titanium, titanium alloys, and carbon fibers. The tool head can be configured as a cutting, crimping, or pressing tool head.