Swiss Machining Tool Assembly With Screw-Free Hinge Clamp
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Solution Overview
Problem
Swiss-style CNC machining tool assemblies face challenges in securely mounting and removing cutting inserts due to space limitations, with existing solutions often requiring screws that complicate access and increase manufacturing costs.
Innovation Solution
A holder with a laterally-directed, resilient hinge clamp and a holder pocket design that allows secure mounting of cutting inserts and blades without screws, using a resilient hinge clamp and a propulsion hole for easy insertion and removal, ensuring stability and cost-effectiveness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a screw mounting system is used to secure cutting inserts in Swiss-style tool assemblies, then the inserts can be firmly held in place, but the space limitations make access for removing and replacing inserts difficult and the manufacturing cost increases
Solution Approach 1:
Instead of using a screw that tightens clockwise to secure the insert, the clamp mechanism operates by applying downward pressure from above through a resilient hinge system. The clamp portion extends over the pocket side abutment surface and resiliently biases downwardly, inverting the traditional screw mounting approach and enabling secure mounting while maintaining ease of operation through lateral access
Solution Approach 2:
The resilient hinge portion automatically maintains clamping pressure on the cutting insert without requiring additional fastening elements. The clamp portion's resilient bias provides continuous securing force, eliminating the need for screws while ensuring reliable mounting and easy removal through simple lateral movement
2Reliability
If a screw mounting system is used to secure cutting inserts in Swiss-style tool assemblies, then the inserts can be firmly held in place, but the number of components and manufacturing complexity increases
Solution Approach 1:
The clamp portion, resilient hinge portion, and intermediary portion are merged into a single integrated clamp assembly that is laterally movable relative to the holder. This consolidation eliminates the need for separate screws,螺母, and other fastening components, reducing device complexity while maintaining secure mounting through the resilient clamping action
Solution Approach 2:
The screw fastening system is completely extracted from the mounting mechanism. Instead of using threaded fasteners, the design employs a screw-free clamp that secures the cutting insert through lateral movement and resilient bias, simplifying the overall structure and reducing manufacturing complexity
3Ease of manufacture
If a resilient hinge clamp is used to secure cutting inserts without screws, then manufacturing costs are reduced and access is improved, but the clamp must withstand probe impacts during machining
Solution Approach 1:
The resilient hinge portion is designed with specific material properties and geometric parameters that allow it to flex and absorb probe impacts while maintaining secure clamping force. The resilience parameter is optimized to withstand dynamic loads during machining, enabling screw-free mounting that both reduces manufacturing cost and maintains sufficient strength
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 sturdy and economical mounting method that withstands probe impacts during machining, maintaining tool assembly integrity and reducing manufacturing complexity and costs.
Implementation Method 1
the resilient hinge portion is configured to resiliently bias the clamp portion downwardly
Data Source
AI summary
A grooving or part-off tool assembly for Swiss-style machining includes a holder. The holder includes a resilient normally-closed holder clamp. In a preferred embodiment the holder clamp biases a blade holding a cutting insert against a pocket side abutment surface of a holder pocket.