Interchangeable Feed Gears for Adjustable Spindle Speed
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional positive feed tools require complete disassembly of the gear head to change the feed rate, which is cumbersome and can affect the tool's life, and adding extra gears increases weight, size, and complexity while being expensive.
Innovation Solution
The design incorporates interchangeable feed gears with different numbers of teeth that can be swapped without disassembling the gear head, allowing for adjustable feed rates using a differential feed gear mechanism within the tool's housing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional gear head disassembly is performed to change feed rate, then feed rate adjustment is achieved, but tool assembly time increases and tool life is affected
Solution Approach 1:
The gear head is segmented into modular components, with the feed gear positioned in an accessible location that can be independently removed and replaced. This segmentation allows the feed gear to be changed without disassembling the entire gear head, reducing assembly time and preserving tool life while maintaining feed rate adjustability.
2Adaptability or versatility
If additional gears are added to the gear head to provide multiple feed rates, then feed rate options increase, but tool weight and size increase
Solution Approach 1:
A single feed gear position is designed to accommodate multiple different feed gear components, each with different tooth configurations for different feed rates. This universal mounting position allows the tool to provide multiple feed rate options without adding multiple permanent gears, thereby avoiding increased weight and size while maintaining versatility.
3Adaptability or versatility
If additional gears are added to the gear head to provide multiple feed rates, then feed rate options increase, but device complexity increases
Solution Approach 1:
The gear head is segmented into modular components, with the feed gear positioned in an accessible location that can be independently removed and replaced. This segmentation allows the feed gear to be changed without disassembling the entire gear head, reducing assembly time and preserving tool life while maintaining feed rate adjustability.
Solution Approach 2:
The system transitions from a static, fixed-gear configuration to a dynamic, interchangeable-gear system. The feed gear can be dynamically changed based on operational requirements, allowing the gear head to adapt to different feed rate needs without permanently incorporating multiple gears, thereby reducing overall device complexity.
4Adaptability or versatility
If conventional gear head disassembly is performed to change feed gear, then feed rate adjustment is achieved, but manufacturing cost increases
Solution Approach 1:
The gear head is segmented into modular components, with the feed gear positioned in an accessible location that can be independently removed and replaced. This segmentation allows the feed gear to be changed without disassembling the entire gear head, reducing assembly time and preserving tool life while maintaining feed rate adjustability.
Solution Approach 2:
The system transitions from a static, fixed-gear configuration to a dynamic, interchangeable-gear system. The feed gear can be dynamically changed based on operational requirements, allowing the gear head to adapt to different feed rate needs without permanently incorporating multiple gears, thereby reducing overall device complexity.
Data Source
AI summary
A positive feed tool that includes a spindle that is axially moved along a feed path to perform work on a workpiece. The tool includes a gear head with a plurality of gears configured to rotate and axially move the spindle. The gear head is designed to change the changing gears within the gear head to change feed rates on the spindle. The gears can be interchanged without a complete disassembly of the gear head.