Angled Clamping Head for Grooving Tool Insert Replacement
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Solution Overview
Problem
Existing grooving tools face challenges in efficiently and precisely exchanging cutting bodies during machining operations, particularly in crowded machine mountings, due to limited accessibility and unreliable clamping mechanisms.
Innovation Solution
A tool holder design with a clamping head featuring a tightening element inclined at a small angle relative to the holder longitudinal axis, allowing for easy access and secure clamping of cutting bodies, combined with a countersunk receptacle and S-shaped separating slot for enhanced force transmission and accessibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If the tightening element is oriented perpendicular to the clamping surfaces, then the clamping force is maximized, but the accessibility for tightening becomes impossible in crowded machine mountings
Solution Approach 1:
The tightening element is oriented at an angle (15-45 degrees) relative to the holder longitudinal axis, transitioning from a perpendicular orientation to achieve both accessibility and sufficient clamping force through angular adjustment
2Ease of operation
If the tightening element is oriented at a large angle for accessibility, then the accessibility improves, but the clamping force in the normal direction becomes insufficient
Solution Approach 1:
The angle between the tightening element center axis and the holder longitudinal axis is optimized within a specific range (15-45 degrees), balancing accessibility requirements with sufficient clamping force transmission
3Ease of manufacture
If the tool holder design is simplified for easy manufacturing, then the manufacturing cost decreases, but the precision and reliability of cutting body clamping may be compromised
Solution Approach 1:
The clamping head is separated from the holder body through a separating slot, allowing independent optimization of the clamping mechanism while maintaining overall structural simplicity and manufacturing feasibility
Solution Approach 2:
The clamping claw is pre-formed as an elastic component that can be tightened against the cutting body through the angled tightening element, ensuring reliable clamping without complex assembly procedures
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Facilitates quick and secure exchange of cutting bodies without moving the tool holder, ensuring precise machining and minimizing downtime, even in tight spaces, while maintaining high clamping force and precision.
Implementation Method 1
the clamping claw is held elastically on the parent body
Implementation Method 2
by means of which the clamping claw can be tightened on the bottom bearing surface
Data Source
AI summary
A grooving tool for cutting grooves in workpieces and a grooving tool tool holder for permitting replacement of inserts and permitting inserts to be replaced without moving the tool holder with respect to the grooving tool in which the tool holder is installed.