Additively Made Curved Anvil Passage for Cutting Edge Cooling
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Solution Overview
Problem
Existing cutting tools face limitations in providing effective cooling, lubrication, and chip removal due to the complexity of fluid passage geometries, particularly in applications like milling where traditional methods are difficult or impossible to implement, and require advanced drilling or blind plugging operations.
Innovation Solution
A cutting tool with an anvil featuring a curved passage extending from an inlet to an outlet, allowing for fluid to be directed towards the cutting edge, and manufactured using additive manufacturing processes to create complex shapes without the need for advanced drilling or blind plugging, enabling efficient coolant/lubrication/flushing options.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional straight passages are used in the anvil, then manufacturing is simpler, but fluid delivery to the cutting edge is less effective and geometry options are limited
Solution Approach 1:
The patent applies curvature to the fluid passage within the anvil, transforming it from a straight line to a curved path. This curved geometry enables the passage to navigate around internal obstructions and achieve complex spatial routing, improving fluid delivery effectiveness to the cutting edge while avoiding the need for advanced drilling or blind plugging operations.
2Adaptability or versatility
If passages extend along straight lines, then manufacturing is easier, but geometry options for fluid delivery are limited
Solution Approach 1:
The curved passage design provides enhanced geometry options for fluid delivery by allowing the passage to follow complex spatial paths within the anvil. This curvature enables the passage to reach outlet openings on various surfaces (top, bottom, or side) and direct fluid precisely toward the cutting edge, offering versatility that straight-line passages cannot achieve.
3Shape
If advanced drilling or blind plugging operations are used, then complex passage geometries can be achieved, but manufacturing time and cost increase
Solution Approach 1:
The curved passage is designed to be manufacturable through conventional drilling and routing operations, avoiding the need for time-consuming advanced drilling or blind plugging procedures. The curvature allows the passage to achieve complex geometry while remaining compatible with standard manufacturing processes, thereby reducing production time and cost.
4Temperature
If coolant pressure is increased to improve tool life, then cutting temperature and friction are reduced, but fluid delivery system complexity increases
Solution Approach 1:
The curved passage design optimizes fluid delivery efficiency, enabling effective coolant delivery to the cutting edge without requiring excessive system complexity. The curved geometry allows the passage to navigate within the anvil and deliver coolant under pressure directly to the cutting zone, achieving temperature reduction and friction reduction while maintaining a relatively simple fluid delivery system.
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 curved passage design enhances fluid delivery to the cutting edge, improving tool life by increasing coolant supply pressure, reducing friction and cutting temperature, and facilitating chip removal without the need for complex manufacturing steps or additional equipment.
Implementation Method 1
a curved passage extends from an inlet opening in the anvil body to an outlet opening in the anvil body
Implementation Method 2
providing fluid for cooling, lubricating, and/or flushing
Implementation Method 3
providing fluid for cooling, lubricating, and/or flushing
Data Source
Figure 1
Figure 2~4
Figure 5~8
AI summary
An anvil (21, 21', 21") for a cutting tool (23) includes an anvil body (55). A curved passage (57, 57', 57") extends from an inlet opening (59, 59', 59") in the anvil body (55) to an outlet opening (61, 61', 61a", 61b") in the anvil body. The anvil body (55) can be made by an additive manufacturing process.