Router Jointing Tool With Templates for Fast Precise Setup
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Solution Overview
Problem
Existing woodworking tools face challenges in achieving precise and repeatable joint creation without significant setup time, particularly with routers, due to difficulties in accurately orienting workpieces relative to the router's center of rotation and compromising throughput.
Innovation Solution
A portable tool system with interlocking top and bottom plates, articulating joints, and bi-directional templates that allow for quick setup and precise alignment of workpieces, enabling high throughput and versatile joint creation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a vertical milling machine is used to remove material in a controlled manner, then manufacturing precision is improved, but device complexity and portability are worsened
Solution Approach 1:
The system is divided into separate modular components: a router plate assembly, a table assembly, and a workpiece holder assembly. Each component can be independently adjusted and positioned, allowing the complex functionality of a milling machine to be achieved through simple, portable segments rather than a single heavy machine.
Solution Approach 2:
A router is used as an intermediary tool between the operator and the workpiece, enabling precise material removal through guided motion rather than direct machine control. The router acts as a mediator that translates simple manual or guided movements into precise cutting actions.
2Productivity
If a router is moved quickly over a workpiece to increase throughput, then productivity is improved, but manufacturing precision is worsened
Solution Approach 1:
Jigs and templates are prepared in advance with precise geometries and positioning features. These pre-fabricated guides establish the exact path and orientation needed for accurate joint creation, allowing the router to move quickly while maintaining precision through the predetermined guide paths.
Solution Approach 2:
Jigs and templates serve as intermediary elements between the router and the workpiece, controlling the router's motion path and ensuring accurate joint creation. These mediators translate the router's rapid movement into precise cutting patterns without requiring slow manual positioning.
3Manufacturing precision
If rigid attachments and worm drives are added to control linear motion for improved precision, then manufacturing precision is improved, but productivity is worsened
Solution Approach 1:
The positioning system uses separate, modular components (table assembly, router plate assembly, workpiece holder) that can be independently adjusted and quickly reconfigured. This segmentation eliminates the need for complex integrated mechanisms like worm drives, allowing rapid setup changes while maintaining precision through individual component alignment.
Solution Approach 2:
The system employs dynamic, easily adjustable positioning mechanisms rather than fixed rigid attachments. The table and router plate can be quickly repositioned and reoriented to accommodate different joint types, providing both precision and speed through flexible, adaptive positioning rather than static, time-consuming adjustments.
Data Source
AI summary
An apparatus is described that is suitable for mounting in a variety of orientations and for forming a variety of woodworking joints at a high throughput. The apparatus is directed to a tool that couples with a power tool to either plunge into or cross feed through a workpiece. The apparatus is particularly well suited for forming biscuit dado, dado, mortise, tenon, floating tenon, dowel, bridle, half lap, tongue, and groove joints, without requiring significant tool changes.