Faceting Jig with Indexed Angle Selector for Precision Grinding
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Solution Overview
Problem
Current faceting machines are expensive, limited in size, and restrictive for artists and hobbyists, making them inaccessible and prone to injury due to the need for manual operation on stand-alone flat grinders, which limits precision and quality.
Innovation Solution
A faceting jig with an independent base, adjustable armature, and interchangeable angle selectors that allow precise and repeatable setting of facet angles, enabling use with any flat grinder and facilitating movement over its surface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If artists and hobbyists use stand-alone flat grinders to work objects by hand, then they can avoid the high cost of faceting machines, but the precision, detail and quality of the work are limited and safety risks increase
Solution Approach 1:
The faceting device is segmented into separate functional components: a base for stability, a mast for vertical support, an armature for holding the object, and an angle selection mechanism. This segmentation allows each component to be optimized independently while maintaining overall precision, enabling affordable construction from individual parts rather than requiring an expensive integrated machine.
Solution Approach 2:
The patent introduces a faceting jig as an intermediary device that bridges the gap between simple hand-grinding and expensive automated faceting machines. This jig provides the precision angle-setting capabilities of professional equipment while being affordable and compatible with existing stand-alone grinders, thus mediating between cost constraints and precision requirements.
2Manufacturing precision
If current faceting machines are used, then precise manipulation of the object is achieved, but the expense is compounded if the artist already owns a stand-alone flat grinder
Solution Approach 1:
The faceting jig is designed to be universally compatible with any stand-alone flat grinder, allowing artists to use their existing equipment. The device performs multiple functions: it provides precise angle setting, holds the object securely, and guides the faceting process, thereby replacing the need for expensive dedicated faceting machines while working with affordable general-purpose grinders.
3Manufacturing precision
If current faceting machines are used, then precise faceting is achieved, but the size of the object that can be ground is limited to relatively small pieces
Solution Approach 1:
The armature is designed with adjustable height and length capabilities, allowing dynamic adaptation to different object sizes. The angle selection body can be repositioned along the armature to accommodate various facet angles and object dimensions, enabling the same device to handle both small and large objects with consistent precision.
4Adaptability or versatility
If a faceting device allows free movement over the grinder surface, then versatility is improved, but stability may be compromised
Solution Approach 1:
The device is divided into a stable base that remains fixed on the grinder surface and a movable upper assembly containing the armature and angle selection mechanism. This segmentation allows the base to provide stability while the upper portions can be adjusted and repositioned for different faceting operations, achieving both stability and versatility.
Data Source
AI summary
One embodiment of a device for positioning an object to be ground independent of the grinding tool having an armature shaft for holding an object, mounted by means of an armature and armature collar and attached to a mast, which is attached to a base. The armature shaft is used to position the object to be ground at a face angle determined by the combination of the vertical positioner length of the armature relative to the surface of the independent grinding tool. The rotational angle of the object to the grinding tool is set and can be repeated as needed by the indexed angle selector and the keyed receiver.