Curved Surface Machining with Angled Tool and Rotating Holder Support
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Solution Overview
Problem
Existing end machining devices for planar surfaces often produce surfaces with unwanted concave or convex curving, and cannot consistently produce surfaces with curvature in a single direction, limiting their application.
Innovation Solution
A device with a rotatable work piece holder support and multiple work piece holders that can be driven independently or collectively, allowing for angular adjustment of the tool and work piece axes to produce either concave or convex curvature on multiple work pieces using a single tool.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a single tool is used for end machining of planar surfaces with parallel rotational axes, then the machining process is simple, but the resulting surface has unwanted concave or convex curving and cannot achieve consistent curvature in a single direction
Solution Approach 1:
The patent applies asymmetry by orienting the tool axis at an angle (inclination angle) relative to the work piece axis, rather than maintaining parallel axes. This asymmetric angular adjustment between the rotational axes enables consistent production of surfaces with curvature in a single direction (either exclusively concave or exclusively convex), resolving the issue of unwanted mixed curvature while maintaining controlled device complexity through adjustable angular positioning.
2Productivity
If the tool axis is positioned at an angle relative to the work piece axis, then consistent concave or convex curvature can be produced, but only a single work piece can be machined at a time
Solution Approach 1:
The patent applies segmentation by dividing the work piece handling system into multiple independently rotatable work piece holders mounted on a common support structure. Each work piece holder can be individually positioned and rotated, allowing multiple work pieces to be machined simultaneously by the single angularly adjusted tool, thereby increasing productivity while maintaining ease of operation through modular, independent control of each holder.
Solution Approach 2:
The patent merges multiple work piece holders onto a single rotatable support structure that can be collectively rotated to bring different work pieces into the machining position. This combining approach allows one tool to efficiently machine multiple work pieces sequentially or simultaneously, improving productivity while the unified support structure simplifies angular adjustment control compared to managing multiple separate positioning systems.
3Productivity
If multiple work piece holders are provided on a rotatable support, then multiple work pieces can be machined simultaneously with one tool, but the device complexity increases
Solution Approach 1:
The patent applies universality by designing the rotatable work piece holder support as a multi-functional platform that simultaneously performs multiple functions: holding multiple work pieces, rotating each work piece individually, and collectively rotating the entire support to position different work pieces for machining. This universal structure enables simultaneous machining of multiple work pieces with one tool while consolidating control mechanisms, thereby improving productivity without proportionally increasing device complexity.
Data Source
AI summary
A device for producing a curved surface (2) of a work piece (1) includes a tool (3) and a tool holder for receiving the tool (3), the tool holder being drivable for rotation about a tool axis (4). At least one work piece holder accommodates a work piece (1). The work piece holder is drivable for rotation about a work piece axis (5). The tool axis (4) and the work piece axis (5) are positionable at an angle relative to one another. The tool axis (4) and the work piece axis (5) are positionable at an angle relative to one another. A work piece holder support (6) receives a plurality of work piece holders, the work piece holders being rotatably drivable relative to the work piece holder support (6). The work piece holder support (6) is rotatably drivable about a work piece holder support axis (7), so that based on superposed rotations of work piece holders and work piece holder support (6) and the rotating tool, the surface (2) of each work piece (1) is curved after end machining, depending on an inclination angle.