Adjustable Multi-Ring Hole-Saw Assembly for Core Retrieval
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Solution Overview
Problem
Existing hole-saw technologies struggle to provide an adjustable mount for multiple hole-saw diameters simultaneously, do not require a pilot drill, and cannot retrieve the core of the sawed workpiece without cutting all the way through it, while also offering additional functionality like transverse cuts.
Innovation Solution
The development of extendable multi-ringed hole-saw assemblies with adjustable platters that allow for the simultaneous use of multiple saw components, optional elimination of a guide drill, and the ability to retrieve cores before completing the cut, along with the capability for transverse cuts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a hole-saw base includes multiple diameter grooves to accommodate different hole-saw diameters, then the adaptability for different hole-saw sizes is improved, but the device complexity increases and cannot provide simultaneous mounting of multiple saw components
Solution Approach 1:
The platter is designed with adjustable positioning mechanisms that allow dynamic reconfiguration of hole-saw mounting positions. The platter can be shifted radially and rotated to accommodate different combinations of hole-saws with different diameters, providing adaptability without requiring multiple fixed groove configurations.
Solution Approach 2:
The single platter structure serves multiple functions: it can simultaneously mount multiple hole-saws of different diameters, position them at various angular orientations, and accommodate different cutting depths. This universal mounting platform eliminates the need for multiple specialized grooves while maintaining versatility.
2Manufacturing precision
If the cutting cylinder extends beyond the cut through the workpiece to complete a full cut, then the manufacturing precision is improved, but the loss of substance increases due to wasted material
Solution Approach 1:
The hole-saw cutting cylinders are designed to extend slightly beyond what is minimally required to complete the cut through the workpiece. This excessive extension ensures complete penetration and clean separation of the workpiece while minimizing the amount of additional material removed beyond what is necessary for precise cutting.
3Productivity
If multiple hole-saws are mounted simultaneously on a fixed base, then the productivity is improved, but the adaptability for different hole-saw diameters deteriorates
Solution Approach 1:
The platter incorporates adjustable positioning mechanisms that allow it to be reconfigured for different hole-saw diameter combinations. The platter can be shifted radially to accommodate different mounting positions and rotated to adjust angular orientations, enabling simultaneous mounting of multiple hole-saws with varying diameters while maintaining adaptability.
4Manufacturing precision
If a pilot drill is required to guide the hole-saw, then the manufacturing precision is improved, but the loss of time increases due to additional drilling steps
Solution Approach 1:
The platter is pre-positioned and pre-aligned on the arbor assembly before mounting the hole-saws. The platter includes built-in alignment features and positioning mechanisms that ensure correct angular orientation and radial positioning of multiple hole-saws, eliminating the need for preliminary pilot drilling to establish hole locations and orientations.
Data Source
AI summary
Hole-saws are provided herein, and more specifically to hole-saw assemblies and processes having adjustable platters for multiple simultaneous saw components, optional elimination of a guide drill, and the ability to retrieve cores of a sawed work piece before sawing completely through the workpiece. One hole-saw device, may have a motive force; a base plate rotatable by the motive force; cutters; and locking mechanisms to mount the base plate to the cutters.