Gear-Reduced Tool Holder for Multi-Angle Machining
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Solution Overview
Problem
Existing machining processes require multiple tool changes due to differing angles of attack and operations, leading to longer tooling times and inefficiencies.
Innovation Solution
A tool system with a gear mechanism that reduces the rotating movement from a driven tool receptacle to a tool-proximal shank, allowing for precise adjustment and reuse of cutting inserts across different machining steps, including a gear reduction of 50:1 to 1000:1, self-locking transmission, and alignment changes of cutting edges.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple tool changes are performed for different machining operations, then different angles of attack and operations can be achieved, but tooling time increases and productivity decreases
Solution Approach 1:
The tool holder is made dynamically adjustable through a gear mechanism that allows rotation of the insert seat. This enables the same tool holder to adapt to different machining operations by changing the orientation of the cutting insert, eliminating the need for multiple static tool changes and thereby improving productivity while maintaining versatility
2Measurement precision
If a gear mechanism with high reduction ratio is used, then positioning accuracy is improved and self-locking is achieved, but device complexity increases
Solution Approach 1:
A gear mechanism serves as an intermediary between the drive unit and the insert seat. This intermediary component translates the drive rotation into precise, reduced-motion rotation of the insert seat, achieving high positioning accuracy and self-locking while keeping the overall system manageable through a single well-designed transmission stage
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
Enables efficient use of a single tool for multiple machining operations, reducing tool changes and maintaining positioning accuracy, while suppressing undesirable twisting and play, thus enhancing machining efficiency and flexibility.
Implementation Method 1
a gear mechanism disposed between the machine-proximal shank and the tool-proximal shank, which is configured to transmit by way of a reduction to the tool-proximal shank a rotating movement transmitted by the means
Implementation Method 2
Self-locking of the transmission is provided or at least facilitated by the gear reduction
Data Source
AI summary
A tool system includes a machine-proximal shank configured to be introduced into a driven tool receptacle and containing a device for transferring a rotating movement to be picked up from the driven tool receptacle. A tool-proximal shank is configured as a tool holder or to have a tool holder releasably connected thereto. A gear mechanism disposed between the machine-proximal shank and the tool-proximal shank is configured to transfer a rotating movement transmitted by the device in a reduced manner to the tool-proximal shank. At least one insert seat configured on the tool holder for receiving an interchangeable cutting insert is provided on an end face of the tool holder extending transversely to a longitudinal axis of the tool holder. A method for machining a workpiece is also provided.