Universal Cutting Tool Cartridge for Insert Depth Adaptability
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Solution Overview
Problem
Conventional cutting tools require multiple cartridges for varying depths of cut and lack controlled positioning of cutting inserts, leading to misalignment and wear during machining.
Innovation Solution
A cutting tool with a universal pocket in each cartridge that can retain various cutting inserts of different depths, featuring a shoulder, recess, and planar surfaces for precise positioning and wear reduction, along with a cutting chip control portion to direct chips and secure the insert via brazing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional cutting tool cartridges are used for each specific depth of cut, then the cutting insert position can be fixed, but numerous cartridges are required and manufacturing cost increases
Solution Approach 1:
The cutting tool cartridge is designed with a universal pocket structure that can accommodate cutting inserts of various depths of cut. The pocket includes a shoulder and a recess formed between the shoulder and a substantially planar surface, creating a standardized interface that positively locates different inserts. This single universal cartridge design replaces the need for multiple specialized cartridges, achieving versatility without increasing device complexity
Solution Approach 2:
The pocket structure is segmented into distinct functional elements: a shoulder portion and a recess portion. The shoulder provides a reference surface for positioning, while the recess accommodates the cutting insert at the correct depth. This segmentation allows the universal pocket to adapt to various insert depths through the combination of these standardized geometric features
2Manufacturing precision
If conventional cutting tool cartridges are used without positive location features, then manufacturing is simpler, but the cutting insert position is not controllable resulting in misalignment
Solution Approach 1:
The pocket structure is pre-configured with the shoulder and recess features during cartridge manufacturing. These features establish the correct position and orientation of the cutting insert before the brazing process begins. The preliminary geometric constraints ensure that when the insert is placed in the pocket, it is automatically positioned with the required precision, eliminating misalignment issues without requiring complex manufacturing processes
Solution Approach 2:
The shoulder and recess structure acts as an intermediary element between the cutting insert and the cartridge body. This intermediate geometric feature provides positive location and alignment, mediating the connection between the insert and the tool holder. The intermediary structure ensures precise positioning while maintaining a relatively simple overall cartridge design
3Productivity
If multiple specialized cartridges are used for different depths of cut, then each cartridge can be optimized for its specific function, but inventory cost and tool complexity increase
Solution Approach 1:
A single universal cartridge design with standardized pocket features (shoulder and recess) can perform multiple functions by accommodating different cutting inserts. This eliminates the need to maintain inventory of numerous specialized cartridge types, reducing the quantity of different components while maintaining the ability to optimize machining for various depths of cut through insert selection rather than cartridge replacement
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
Enables economical and easy manufacturing of cartridges with enhanced insert retention and alignment, reducing wear and misalignment issues, thus improving machining quality and tool longevity.
Implementation Method 1
the position of the cutting insert is not controllable during a brazing of the cutting insert to the cutting tool cartridge
Data Source
AI summary
A cutting tool including an annular cutter body having at least one V-shaped pocket formed therein and a cutting tool cartridge configured to be received in the at least one pocket of the cutter body. The cutting tool cartridge including a main body. The main body includes a cutting head having a cutting chip control portion and a pocket configured to receive a cutting insert.