Machinery Fence Support for Beaded Face Frame Notching
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Solution Overview
Problem
Existing methods for producing beaded face frames require precise miter cutting and notching of molding pieces, which can be time-consuming and labor-intensive, especially when using separate bead molding or beaded stock, as they demand exact alignment and cutting of beads to fit together perfectly.
Innovation Solution
A machinery fence support system with a rotary bit having a symmetric trapezoidal profile is used, allowing for precise notching of workpieces with a linear motion mechanism that facilitates perpendicular motion, enabling efficient cutting of notches matching the profile of the rotary bit for beaded face frames.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If separate bead molding is applied to interior edges of completed face frames, then beaded face frames can be produced, but the process requires time-consuming miter cutting and notching with exact alignment
Solution Approach 1:
The bead molding is applied to the interior edges of the face frame before the frame is assembled and before the notching operation. This preliminary application of bead molding eliminates the need for subsequent notching and miter cutting of bead pieces, significantly reducing manufacturing time and complexity while maintaining the desired aesthetic appearance
Solution Approach 2:
The invention extracts the bead molding application step from the traditional sequence and performs it on the complete face frame structure rather than on individual pieces that would later need to be joined. This reordering removes the complex notching and miter cutting operations entirely, as the bead is applied to the finished frame geometry
2Adaptability or versatility
If beaded stock pieces are assembled to create beaded face frames, then the frames can be constructed, but precise notching and miter cutting of beads is required for alignment
Solution Approach 1:
The face frame is fully assembled before bead molding is applied to the interior edges. This preliminary assembly eliminates the need for precise notching and miter cutting of bead pieces, as the bead is molded directly onto the completed frame structure, thereby reducing manufacturing precision requirements while maintaining assembly versatility
Solution Approach 2:
The invention merges the face frame assembly operation with the bead molding operation by applying the bead to the assembled frame rather than assembling pre-beaded pieces. This combination eliminates the need for precise alignment and notching of multiple bead components, simplifying the manufacturing process while preserving the ability to create various face frame configurations
Data Source
AI summary
In one example, a machinery fence support system comprises a worktable having a recess therein and a cutting element protruding upwardly from the worktable. The system has a track which is slidably received within the recess of the worktable. A bracket connected to the track; and a sacrificial fence is adjustably connected to the bracket. A track system is connected to the sacrificial fence and a stop assembly connected to the track system. The track slides within the recess of the worktable such that the sacrificial fence passes over the cutting element such that a beaded face frame feature is cut into a workpiece.