Guide Pad Fluid Groove Layout for Compact Rotary Cutting Tools
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Solution Overview
Problem
Existing rotary cutting tools with guide pads are complex to manufacture and have restricted diameter sizes due to their intricate design and lubricant supply systems.
Innovation Solution
A rotary cutting tool design featuring a tool shank with at least one guide pad fastened on the outer circumference, equipped with a radially external fluid groove connected to an internal fluid line through an inlet channel, allowing for efficient and direct lubricant supply.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If guide pads are supplied with lubricant via holes and grooves in the tool shank and separate caps, then the guide pads are adequately lubricated, but the rotary cutting tool becomes complex to manufacture and the diameter size is severely restricted
Solution Approach 1:
The patent merges the separate caps and multiple grooves into a single integrated fluid groove that extends around the outer circumference of the tool shank. This single groove receives lubricant at one location and distributes it to multiple guide pads through inlet channels, eliminating the need for separate caps and simplifying the overall structure while maintaining effective lubrication.
Solution Approach 2:
The single fluid groove serves multiple functions: it receives lubricant for the entire tool, distributes lubricant to multiple guide pads through inlet channels, and eliminates the need for separate caps. This multi-functional design reduces the number of components and simplifies manufacturing while ensuring adequate lubrication of all guide pads.
2Reliability
If guide pads are supplied with lubricant via holes and grooves in the tool shank and separate caps, then the guide pads are adequately lubricated, but the diameter size of the rotary cutting tool is severely restricted
Solution Approach 1:
The patent merges the separate caps and multiple grooves into a single integrated fluid groove that extends around the outer circumference of the tool shank. This single groove receives lubricant at one location and distributes it to multiple guide pads through inlet channels, eliminating the need for separate caps and simplifying the overall structure while maintaining effective lubrication.
Solution Approach 2:
The single fluid groove serves multiple functions: it receives lubricant for the entire tool, distributes lubricant to multiple guide pads through inlet channels, and eliminates the need for separate caps. This multi-functional design reduces the number of components and simplifies manufacturing while ensuring adequate lubrication of all guide pads.
3Productivity
If the fluid supply ends in the fluid groove, then the fluid is provided directly at the location where it is required, but the connection between internal fluid line and fluid groove must be precisely defined
Solution Approach 1:
The inlet channels are pre-formed as integral parts of the guide pads during the molding process. This preliminary formation ensures precise positioning and geometry of the inlet channels relative to the fluid groove, eliminating the need for subsequent assembly operations and ensuring reliable fluid connection without requiring high-precision post-manufacturing alignment.
Solution Approach 2:
The guide pads are designed to be self-contained units with built-in inlet channels that automatically align with the fluid groove. The molding process creates the inlet channels in precise positions, allowing the guide pads to self-align and connect to the lubricant supply without requiring external adjustment or high-precision assembly operations.
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
This design simplifies manufacturing, reduces complexity, and allows for a compact tool with a smaller diameter while ensuring effective and efficient lubricant supply directly to the guide pads.
Implementation Method 1
the guide pads are supplied with a lubricant that is provided via holes and grooves in the tool shank as well as via separate caps on the tool shank
Data Source
AI summary
A rotary cutting tool has a tool shank and at least one guide pad, which is fastened on the outer circumference of the tool shank and has a radially external fluid groove. The guide pad has an inlet channel, via which the fluid groove is fluidly connected to an internal fluid line in the tool shank.