Variable Length Blade Tip Mold for Wind Turbine Manufacturing
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Solution Overview
Problem
The existing methods for manufacturing wind turbine rotor blades require multiple molds for different blade lengths, which are costly and time-intensive, making it inefficient to tailor blades for varying wind conditions at specific locations.
Innovation Solution
A variable length blade tip mold with a standard tip mold section and a variable length joint mold section allows for the production of tip assemblies with a standard tip portion and a customizable joint portion, enabling the creation of blades of optimal length without the need for multiple molds.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If multiple molds are used for different blade lengths, then manufacturing precision for various blade sizes is improved, but device complexity and manufacturing cost increase
Solution Approach 1:
The blade tip mold is designed with a variable extension mechanism that allows a single mold to produce multiple blade lengths. The mold includes a base section and an extendable section that can be adjusted to different positions, enabling one universal mold to replace multiple specialized molds for different blade sizes.
Solution Approach 2:
The mold incorporates a dynamic extension mechanism where the second mold section can be positioned at different locations along the blade length. This dynamic adjustability allows the mold to adapt to various blade length requirements while maintaining manufacturing precision through controlled positioning.
2Manufacturing precision
If multiple molds are used for different blade lengths, then manufacturing precision for various blade sizes is improved, but manufacturing time and cost increase
Solution Approach 1:
A single universal mold with variable extension capability replaces the need for multiple specialized molds, significantly reducing the time required to produce different blade lengths. The mold can be reconfigured for different blade sizes without requiring complete mold changes or extensive setup time.
Solution Approach 2:
The mold is divided into a base mold section and an extendable mold section that can be independently positioned. This segmentation allows flexible configuration for different blade lengths while maintaining a compact, manageable mold structure that is quick to set up and operate.
3Adaptability or versatility
If customized blade lengths are produced, then adaptability to different wind conditions is improved, but manufacturing complexity increases
Solution Approach 1:
The mold features a dynamic extension mechanism where the second mold section can be positioned at different locations along the blade length axis. This dynamic capability enables customization for various wind conditions while using a relatively simple base structure that can be adapted through positioning rather than complete redesign.
Solution Approach 2:
The mold design adds one degree of freedom along the blade length dimension, allowing the extendable section to move axially. This single-dimensional adjustment provides extensive customization capability without requiring complex multi-dimensional changes to the overall mold structure.
Data Source
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AI summary
Variable length blade tip molds 10 include standard tip mold sections 15 having a tapered profile and variable length joint mold sections 18 having first ends 12 and second ends 13 with a constant cross section, wherein the variable length blade tip molds 10 can each produce a plurality of tip assemblies 110 of various lengths.