Solid Face Door CNC Carving for Design Flexibility
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Solution Overview
Problem
Existing door manufacturing methods, such as stamped metal and multiple-piece construction, are costly and time-consuming, with design limitations and quality control issues due to the complexity of materials and tools required.
Innovation Solution
A door with a solid flat face having a design carved into it using computer-aided machinery, such as a CNC milling machine, to emulate traditional techniques like multiple-piece construction, allowing for flexible design options and efficient manufacturing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If stamped metal or vinyl exterior is used, then design patterns can be formed on the door face, but design limitations and high tooling costs occur
Solution Approach 1:
The patent uses computer-aided design software to create digital copies of desired door designs, which are then transferred to a CNC milling machine. This eliminates the need for physical tooling molds while maintaining design accuracy, allowing unlimited design variations without additional tooling costs.
Solution Approach 2:
The patent replaces traditional mechanical stamping tools with a computer-controlled numerical milling machine. The CNC system uses computer-generated toolpaths to carve designs into the door material, substituting complex mechanical tooling with programmable mechanical motion, thereby reducing tooling complexity and enabling design flexibility.
2Ease of manufacture
If multiple-piece construction is used, then traditional door styles can be achieved, but fabrication time and assembly complexity increase
Solution Approach 1:
The patent merges multiple door components (frames, rails, stiles, panels) into a single solid piece of material. The CNC milling machine carves all the necessary structural features and decorative designs directly into this one piece, eliminating the need to fabricate and assemble multiple separate components, thereby reducing fabrication time and complexity.
Solution Approach 2:
The patent performs all carving and design work while the door material is still in a solid, stable state before final assembly. The CNC machine prepares the entire door face and structural features in advance, so that when the door is assembled, all components are already pre-formed and ready, eliminating time-consuming on-site fabrication and assembly work.
3Manufacturing precision
If multiple-piece construction is used, then door components can be fabricated, but quality control issues and tolerance variations increase
Solution Approach 1:
The patent combines multiple door components into a single integrated piece fabricated by CNC milling. This eliminates the interfaces and joints between separate components, removing the primary source of tolerance variations and quality control issues. The single-piece construction ensures consistent dimensions and alignment throughout the entire door.
Solution Approach 2:
The patent replaces manual or semi-manual fabrication and assembly processes with computer-controlled numerical milling. The CNC system precisely controls toolpaths, feed rates, and depths of cut to achieve tight tolerances consistently. This automated precision manufacturing eliminates the variability inherent in manual fabrication and assembly of multiple pieces.
Data Source
AI summary
Embodiments of a carved solid face door and methods of fabrication are disclosed herein. In one embodiment, a carved solid face door includes a solid base having a substantially flat face and an opposing rear surface, wherein the face has a design carved into at least one section of the face that emulates the appearance of a multiple-piece construction including at least one of a frame, a rail, a stile, a molding, a trim, a plurality of planks, or a panel. Optionally, a backing may be coupled to the solid base. Optionally, the solid base may comprise a plurality of horizontal sections.