Rotating Chuck Coolant Grooves That Counter Centrifugal Flow
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Solution Overview
Problem
Existing rotating chucks with coolant groove arrangements require additional components like detachable nozzle rings, which complicate manufacturing and assembly, and do not efficiently direct coolant flow to counter centrifugal forces during machining, especially for high-temperature materials like Inconel.
Innovation Solution
A rotating chuck with a groove arrangement integrally formed along the shank-receiving bore, featuring slanted and longitudinal groove portions that define a flow path in fluid communication with both ends, eliminating the need for extra components and enhancing coolant directionality and efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a detachable nozzle ring is added to define the coolant flow path, then the coolant flow can be selectively directed for various tools, but the device complexity and manufacturing complexity increase due to additional components and assembly requirements
Solution Approach 1:
The groove arrangement that defines the coolant flow path is integrally formed with the chuck body as a unitary one-piece construction, eliminating the need for separate detachable nozzle rings while maintaining the capability to direct coolant flow appropriately for different tools
2Adaptability or versatility
If a detachable nozzle ring is added to define the coolant flow path, then the coolant flow can be selectively directed for various tools, but the manufacturing time and assembly steps increase
Solution Approach 1:
The groove arrangement is formed as an integral part of the chuck body through unitary construction, eliminating separate manufacturing and assembly steps for detachable nozzle rings, thereby reducing total manufacturing time and improving productivity
3Ease of manufacture
If coolant grooves are formed radially without slanted portions, then the manufacturing is simpler, but the coolant flow cannot effectively counter outward centrifugal forces during high-speed machining
Solution Approach 1:
The groove arrangement includes slanted groove portions that are inclined relative to the radial direction, creating an asymmetric geometry that enables the coolant flow to counter outward centrifugal forces during high-speed machining while maintaining manufacturing feasibility
4Reliability
If slanted groove portions are added to direct coolant inwardly, then the coolant can counter centrifugal forces, but the manufacturing complexity increases due to non-radial groove formation
Solution Approach 1:
The slanted groove portions are integrally formed with the chuck body in a unitary construction, allowing the complex slanted geometry to be manufactured as part of the overall chuck machining process rather than as separate components, thereby reducing total manufacturing complexity
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 simplifies manufacturing, ensures effective coolant flow that counters centrifugal forces, and allows for better cooling of tools during machining, particularly beneficial for high-temperature materials like Inconel, by integrating the groove arrangement into a unitary one-piece construction.
Implementation Method 1
the groove arrangement comprises one or more slanted groove portions opening out to, and being inwardly inclined towards, a front chuck end of the chuck... appropriately directed coolant flow which on the one hand is sufficiently inwardly directed to counter outward centrifugal forces
Implementation Method 2
The groove arrangement defines a flow path which is in fluid communication with front and rear bore ends of the shank-receiving bore... an annular inlet groove at the rear bore end... one or more slanted groove portions opening out to, and being inwardly inclined towards, the front chuck end
Data Source
Figure 1~2B
Figure 3A~3C
Figure 4
AI summary
A rotating chuck (10) includes a coolant groove arrangement (26) integrally along a shank-receiving bore (16) of the rotating chuck (10). The groove arrangement (26) defines a flow path in fluid communication with front and rear bore ends (20,22). The groove arrangement (26) includes one or more slanted groove portions (32) opening out to, and being inwardly inclined towards, a front chuck end (12) of the rotating chuck (10).