Eccentric Tool Holder Assembly for Lathe Centerline Alignment
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Solution Overview
Problem
Existing tool holders for lathes often fail to align cutting tools precisely with the lathe spindle centerline, leading to tool malfunction and reduced product quality, requiring excessive time and effort from operators.
Innovation Solution
A tool holder assembly with a cutting tool clamp machined at an eccentric centerline, allowing for precise alignment of the cutting tool's centerline with the lathe spindle centerline on the 'Y' axis, using a main body connectable to the lathe spindle and adjustable bolts for secure positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional tool holders are used in the lathe turret, then the mounting pocket can hold cutting tools, but the mounting pocket is not aligned with the lathe spindle centerline, causing poor alignment precision and tool malfunction
Solution Approach 1:
The tool holder employs an asymmetric mounting pocket design where the pocket is intentionally offset from the centerline of the tool holder body. This asymmetric configuration, combined with a movable mounting mechanism, allows the pocket to be positioned at various angles and locations to achieve precise alignment with the lathe spindle centerline while maintaining structural integrity of the tool holder.
Solution Approach 2:
The tool holder incorporates a dynamic mounting mechanism that allows the mounting pocket to move relative to the tool holder body. This mobility enables operators to adjust the pocket position and orientation to achieve precise centerline alignment, and once positioned, the pocket can be locked in place to maintain alignment during machining operations.
2Manufacturing precision
If operators manually align cutting tools with the lathe centerline using traditional methods, then tool alignment can be achieved, but it requires excessive time and effort
Solution Approach 1:
The tool holder features a pre-configured mounting pocket with integrated alignment features and a movable positioning mechanism. Before the actual machining operation, the pocket can be quickly adjusted to the correct position and locked in place using simple hand-operated mechanisms, eliminating the need for time-consuming manual alignment procedures during setup.
Solution Approach 2:
The tool holder incorporates self-aligning features such as reference surfaces, indexing mechanisms, or preset positioning elements that automatically guide the mounting pocket into the correct orientation relative to the lathe spindle centerline. This self-service capability significantly reduces the skill level and time required by operators to achieve precise alignment.
3Manufacturing precision
If standard mounting pockets are used without adjustment capability, then the tool holder structure remains simple, but the Y-axis alignment of the tool centerline cannot be shifted to match the lathe centerline
Solution Approach 1:
The tool holder is divided into distinct functional segments: a stationary body, a movable mounting pocket assembly, and a locking mechanism. This segmentation allows the mounting pocket to be independently positioned and adjusted relative to the tool holder body, enabling precise Y-axis alignment control without requiring complex adjustments to the entire tool holder structure.
Data Source
AI summary
A tool holding device for positioning a cutting tool on a centerline of a lathe is disclosed, including a cutting tool releasably attached to a cutting tool clamp. A main body is connected to the cutting tool clamp, wherein the main body being connectable to a lathe spindle. The cutting tool clamp is machined at an eccentric centerline of the main body to enable a centerline of the cutting tool to be positioned in-line with a centerline of the lathe spindle.