Rotatable Log Retaining Carriage for Polygonal Lumber Cutting
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Solution Overview
Problem
Existing saw mills are limited in their ability to efficiently produce geometrically shaped lumber for products like flooring and cabinetry, requiring additional precise cutting methods that are time-consuming and costly.
Innovation Solution
A system of attachments for saw mills that allows wood to be retained and cut at an angle to the horizontal, utilizing a support carriage and engagement devices to achieve polygonal cross sections, enabling precise rotation and cutting of wood into desired shapes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional horizontal cutting on saw mills is used, then simple lumber production is efficient, but geometrically shaped lumber cannot be produced
Solution Approach 1:
The patent applies dynamics by making the support carriage rotatable to different angles and adjustable in position, allowing the same saw mill to produce both traditional lumber and geometrically shaped lumber. The carriage can be rotated to various angles (e.g., 45 degrees for diamond patterns, 60 degrees for hexagonal patterns) and adjusted along the rail, enabling versatile geometric pattern production without permanently modifying the saw mill structure.
Solution Approach 2:
The support carriage serves multiple functions: it holds the log, rotates it to desired angles, positions it along the rail, and secures it during cutting. This single multi-functional attachment enables the saw mill to produce various geometric patterns (diamonds, hexagons, octagons, etc.) in addition to traditional lumber, achieving versatility without requiring multiple specialized machines.
2Manufacturing precision
If jigsaws or precise cutting devices are used to create geometric pieces, then precise geometric shapes can be produced, but production is time-consuming and expensive
Solution Approach 1:
The patent merges the log holding function, rotation mechanism, positioning system, and securing device into a single integrated support carriage attachment. This combination allows the saw mill to perform precise geometric cutting at high speed, eliminating the need for separate operations and achieving both precision and productivity that cannot be obtained with traditional jigsaws alone.
Solution Approach 2:
The invention changes the operational parameters of the saw mill by introducing variable rotation angles and positions of the support carriage. By adjusting these parameters (angles of 45°, 60°, 90°; positions along the rail), the system can produce different geometric patterns efficiently, maintaining precision while dramatically increasing production speed compared to traditional methods.
3Shape
If wood is cut horizontally on a traditional saw mill, then cutting speed is high, but the resulting planks lack elongated geometric shapes with exposed wood grain
Solution Approach 1:
The patent introduces angular orientation as a new dimension to the traditional horizontal cutting process. By rotating the support carriage to various angles (45°, 60°, 90°) while maintaining horizontal cutting motion, the system creates elongated geometric shapes with exposed wood grain patterns. This angular dimension transforms ordinary lumber into decorative geometric pieces without sacrificing cutting efficiency.
Data Source
AI summary
The present invention discloses a system for retaining a piece of wood onto a saw mill in an orientation at an angle to the horizontal, such that horizontal cuts made to the wood result in shorter planks with full exposure of wood end grain, and further, a system for rotating a piece of wood on a saw mill in order to create lumber with specific polygonal cross sections; and methods for producing lumber from pieces of wood using said systems.