Cutting Tool Clamping Assembly for Faster Tool Exchange
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Solution Overview
Problem
Existing cutting tool clamping mechanisms are intricate to assemble and manipulate, leading to excessive tool exchange times and reduced productivity.
Innovation Solution
A clamping assembly that allows for quick and convenient assembly and tightening, utilizing a clamping element that moves radially and axially via a fixation element, with channels in the tool bodies to facilitate axial coupling through frictional contact and elastic deformation, requiring minimal components and space.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing clamping mechanisms are used, then the cutting tool bodies can be clamped together, but the assembly process becomes intricate and time-consuming
Solution Approach 1:
The clamping mechanism is segmented into distinct functional elements: a clamping element with clamping surfaces, abutment surfaces on the tool bodies, and a fixation element. This segmentation allows each component to perform its specific function independently, simplifying the overall assembly process while maintaining reliable clamping.
Solution Approach 2:
The invention extracts the essential clamping function from complex existing mechanisms, retaining only the necessary elements: clamping surfaces for force transmission, abutment surfaces for guidance, and a fixation element for securing. This extraction eliminates unnecessary complexity while preserving clamping reliability.
2Reliability
If existing clamping mechanisms are used, then the cutting tool bodies can be coupled, but the number of component parts increases and assembly becomes complicated
Solution Approach 1:
The clamping element combines multiple functions into a single component: it provides clamping surfaces for force transmission, abutment surfaces for radial guidance, and serves as the interface for the fixation element. This merging reduces the total number of components while maintaining coupling reliability.
Solution Approach 2:
The clamping element is designed as a multi-functional component that performs radial clamping, axial positioning, and force transmission simultaneously. This universality eliminates the need for separate components for each function, simplifying the overall assembly while ensuring reliable coupling.
3Force
If the clamping element moves radially inward towards the axial centre, then axial frictional contact increases and pulls bodies together, but the axial space required increases
Solution Approach 1:
The invention utilizes radial movement of the clamping element to generate axial clamping force through the inclined abutment surfaces. By converting radial displacement into axial force via the angled surfaces, the mechanism achieves strong clamping without requiring significant axial space, effectively using another dimension (radial) to solve the axial space constraint.
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
The solution provides a robust and reliable coupling mechanism that minimizes assembly time, ensuring efficient tool exchange and stable cutting performance.
Implementation Method 1
the clamping element is advanced axially which in turn increases the frictional contact between at least one respective abutment surface (at each body) and respective clamping surfaces (at the clamping element)
Implementation Method 2
the axial displacement of the clamping element by actuation of the fixation element, and the associated frictional contact between the surfaces of the clamping element and the bodies being coupled, provides elastic deformation of the clamping element and an associated increase in the strength and reliability of the couple during cutting
Data Source
Figure 1
Figure 2a~2b
Figure 3a~3f
AI summary
A cutting tool part assembly (10) for a cutting tool. The assembly comprises a body (11) forming an axially forward part of the cutting tool attachable to a cutting head (12) via a clamping element (13) and a fixation element (14). A guide surface (23) provided at the body or cutting head extends in both a radial and an axial direction to support movement of the clamping element in both the radial and axial directions via actuation of the fixation element to force and clamp together axially the head and body.