Boring Head Multi-Orifice Cooling for Adjustable Inserts
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Solution Overview
Problem
Conventional boring head lubrication mechanisms are inefficient due to fixed orifice positions, which fail to provide optimal cooling or lubrication across the entire cutting surface, especially when the cutting insert is removable or adjustable, leading to suboptimal liquid distribution and impact points.
Innovation Solution
The implementation of multiple orifices positioned at different heights along the cutting edge and potentially within a branching conduit system, along with grooves to guide the liquid flow, ensures uniform and optimized distribution of lubricating or cooling liquid across the cutting surface, maintaining effectiveness regardless of the insert's position.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single fixed orifice is used for liquid supply, then the device structure is simple, but the liquid distribution quality on the cutting surface deteriorates
Solution Approach 1:
The single conduit is segmented into multiple conduits, each with its own orifice positioned at different locations and angles. This segmentation allows the liquid to be distributed to multiple impact points on the cutting surface, improving cooling coverage without requiring a complex multi-component system.
Solution Approach 2:
The orifices are positioned at different heights (vertical dimension) and angles (spatial orientation) relative to the cutting surface. This multi-dimensional arrangement ensures that liquid projections from multiple orifices cover different areas of the cutting surface, transforming a single-point impact into multi-point distributed cooling.
2Adaptability or versatility
If the cutting insert is made removable and adjustable, then the adaptability improves, but the lubrication effectiveness deteriorates due to fixed orifice position
Solution Approach 1:
The liquid supply system is segmented into multiple independent conduits with orifices at different positions. When the cutting insert is moved to different locations, multiple orifices can simultaneously provide liquid projection, ensuring that at least some orifices maintain effective cooling coverage regardless of insert position.
Solution Approach 2:
The multi-orifice conduit system serves multiple functions: it provides liquid cooling for different insert positions, accommodates various cutting surface lengths, and maintains effective lubrication across different operational configurations. This universal design eliminates the need for reconfiguration when insert position changes.
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 solution enhances the distribution and pressure consistency of the lubricating or cooling liquid, ensuring optimal coverage and homogenization over the entire cutting surface, even when the insert is moved or adjusted, thereby improving the overall cooling and lubrication efficiency.
Implementation Method 1
a device for projecting a liquid onto the insert (2) formed by the cutting surface, said device comprising at least two orifices (3) positioned at different heights from said cutting edge
Implementation Method 2
lubricating or cooling liquid projected onto the insert (2) formed by the cutting surface
Implementation Method 3
lubricating or cooling liquid projected onto the insert (2) formed by the cutting surface
Data Source
Figure 1~2
AI summary
The invention relates to a drill head (1) comprising a cutting insert (2), characterized in that the drill head (1) comprises, over its thickness, at least one device for allowing the movement of a liquid, the device comprising at least two orifices (3) which are located at the surface of the drill head (1), at the level of the insert (2).