Woodworking Machine Digital Readout and Pivotable Guide Plate System
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Solution Overview
Problem
Existing woodworking machines lack the versatility and precision to fabricate precisely fitting dovetail and other joints without the aid of templates or manufactured patterns, limiting their ability to accommodate various wood thicknesses and joint configurations.
Innovation Solution
A woodworking machine with a movable carrier, mounting plate assembly, and digital sensing system that allows for precise positioning and cutting of joints, accommodating various wood thicknesses and joint configurations, including dovetail, mortise, and tenon cuts, without the need for templates, using a sliding and pivotable guide plate system and digital readout for accurate alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If templates or manufactured patterns are used to cut joints, then manufacturing precision is improved, but device complexity and cost increase
Solution Approach 1:
The patent extracts the template dependency from the joint cutting process by implementing a digital readout system that directly measures and controls the cutting parameters. The digital readout device replaces the need for physical templates and manufactured patterns, allowing precise joint cutting without external reference tools.
Solution Approach 2:
The patent replaces the mechanical template-based positioning system with a digital measurement and control system. The digital readout device electronically measures workpiece dimensions and automatically adjusts cutting parameters, substituting the mechanical template system with an electronic control system that achieves higher precision without additional complexity.
2Adaptability or versatility
If a fixed cutting angle system is used, then device complexity is reduced, but adaptability to various joint configurations is limited
Solution Approach 1:
The patent implements a dynamic positioning system where the cutting tool can be adjusted to various angles and positions based on real-time digital readout measurements. The system transitions from a fixed cutting angle configuration to a dynamically adjustable system that adapts to different joint types and workpiece dimensions through electronic control.
Solution Approach 2:
The patent enables parameter changes in cutting angles and positions through digital control. The digital readout system allows operators to modify cutting parameters such as angle and position based on measured workpiece dimensions, enabling the system to adapt to various joint configurations by changing control parameters rather than requiring physical reconfiguration.
3Measurement precision
If manual positioning methods are used, then device complexity is reduced, but measurement precision and cutting accuracy deteriorate
Solution Approach 1:
The patent implements a feedback mechanism where the digital readout device continuously measures the actual position and dimensions of the workpiece and provides real-time information to adjust the cutting tool positioning. This closed-loop feedback system ensures high measurement precision and cutting accuracy by constantly monitoring and correcting positioning deviations.
Solution Approach 2:
The patent replaces manual positioning methods with an automated digital readout and control system. The digital readout device electronically measures workpiece dimensions and positions, substituting manual measurement and positioning with electronic sensing and automated adjustment, thereby improving precision without requiring complex mechanical positioning mechanisms.
Data Source
AI summary
A wood working machine is described that includes a mounting plate assembly for supporting a cutting tool, the mounting plate assembly including a base plate, first and second spaced apart intermediate plates on the base plate, and first and second guide plate elements pivotally supported on respective first and second intermediate plates, and a cutting tool support plate slidably disposed between the first and second guide plate elements, the guide plate elements including means defined therein for positioning each of the guide plate elements at selected angular intervals with respect to the respective first and second intermediate plates, whereby the cutting tool support plate is slidably movable on the base plate between the guide plate elements at a prescribed angle. The mounting plate assembly may include laser sources providing crossed laser beams for accurately positioning the tool bit of the cutting tool near a work piece, and light sources for illuminating the tool bit. A digital sensor may be included for precise positioning of the work piece held beneath the base plate on a movable carrier. Work holding fixtures such as a mortising plate or multiangle work holder may be optionally attached to the moveable carrier to hold the work piece in alternative ways.