Segmented Turning Assembly for Gap-Free Woodturning
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Solution Overview
Problem
Current woodturning methods face challenges in designing and fabricating segmented turning blanks, requiring precise calculations and calibration to avoid gaps, and are limited to producing specific objects, lacking versatility in forming objects with varying internal and external diameters.
Innovation Solution
A uniform turning assembly comprising interchangeable isosceles prism block segments, arranged to form regular polygons, allowing for the creation of multiple turning blanks with adjustable diameters, and optional segment spacers for expanded blanks, enabling the formation of a wide range of objects with minimal gaps and improved structural integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional segmented turning blanks are fabricated using precise calculations and calibrated machines, then manufacturing precision is improved, but device complexity and fabrication difficulty increase
Solution Approach 1:
The turning blank is divided into multiple modular segments that can be independently fabricated and then assembled. Each segment is a standardized isosceles prism with specific geometric features that enable precise assembly. This segmentation allows for simplified individual segment fabrication while achieving high overall precision through the modular assembly approach, directly resolving the contradiction between manufacturing precision and fabrication complexity.
Solution Approach 2:
The patent creates universal segment modules that can be used to construct various turning blanks of different sizes and configurations. The standardized isosceles prism segments with specific features (outer face, inner face, side faces, top and bottom surfaces) serve multiple purposes and can be assembled in different arrangements. This universality reduces fabrication complexity by reusing the same segment design across multiple applications while maintaining high manufacturing precision.
2Manufacturing precision
If turning blanks are designed for specific objects with fixed dimensions, then manufacturing precision is improved, but adaptability decreases
Solution Approach 1:
The patent enables dynamic reconfiguration of turning blanks by allowing segments to be assembled in different arrangements and configurations. The modular segment system permits easy adjustment of blank dimensions, shapes, and characteristics by changing the number, arrangement, or orientation of segments. This dynamic adaptability maintains dimensional precision while providing flexibility for creating various objects with different internal and external diameters.
Solution Approach 2:
By dividing the turning blank into standardized segments, the system allows for flexible reassembly into different configurations. The same set of precision-fabricated segments can be arranged to create multiple turning blanks with varying dimensions, enabling a single precision-fabricated segment set to produce various objects while maintaining manufacturing precision across all configurations.
3Reliability
If multiple individual segments are fabricated with tight tolerances, then reliability is improved, but productivity decreases
Solution Approach 1:
The segments are pre-fabricated as standardized isosceles prisms with all necessary geometric features and tolerances already built in during manufacturing. This preliminary action of creating precision segments in advance allows for quick assembly without requiring complex on-site adjustments or calibration, thereby maintaining structural integrity while improving overall productivity through streamlined assembly processes.
Solution Approach 2:
The universal segment design allows for repeated use of the same fabrication templates and procedures across multiple segment productions. Once the standardized segment geometry is established, additional segments can be fabricated using the same proven process, maintaining reliability through consistency while improving productivity through process standardization and repeatability.
Data Source
AI summary
A turning assembly used to form at least a portion of a turned object comprises a plurality of prism block segments. The outer face includes a width that is greater than a width of the inner face. A radial central axis extends between and is perpendicular to the outer face and the inner face and has a length greater than the width of the inner face. A first set of block segments is arranged in a side-to-side orientation to form a first turning blank with the outer faces generally forming a regular polygon. A second set of block segments is arranged in a side-to-side orientation to form a second turning blank with the outer faces generally forming a regular polygon. The first turning blank is coupled to the second turning blank to form a coupled turning blank that is formed into the portion of the turned object.