Adjustable Cutting Tool Holder With Inclined Bore Positioning
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Solution Overview
Problem
Existing cutting tool holders for lathes are complex, time-consuming to adjust, and lack precision, especially when adjusting the cutting tool's position in the height direction, leading to reduced stability and increased production costs.
Innovation Solution
A holder design featuring a removable part with inclined bores and a locking screw, combined with an adjustment screw, allows for simple and accurate adjustment of the cutting tool's position by aligning the central axes of the parts, providing stability and ease of assembly while being cost-effective.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If multiple adjustment screws and locking screws are used to adjust the cutting tool position, then the adjustment precision can be improved, but the device complexity and adjustment time increase
Solution Approach 1:
The holder is divided into a fixed part and a removable part with distinct functions. The removable part contains the cutting tool and can be independently adjusted and locked, separating the adjustment function from the overall holder structure and reducing complexity.
Solution Approach 2:
The removable part is pre-configured with adjustment and locking features that allow for quick positioning. The inclined bore geometry is designed in advance to guide the locking screw and enable precise adjustment without requiring multiple iterative operations.
2Manufacturing precision
If multiple adjustment screws and locking screws are used to adjust the cutting tool position, then the adjustment precision can be improved, but the adjustment time increases
Solution Approach 1:
The holder is divided into a fixed part and a removable part with distinct functions. The removable part contains the cutting tool and can be independently adjusted and locked, separating the adjustment function from the overall holder structure and reducing complexity.
Solution Approach 2:
The removable part is pre-configured with adjustment and locking features that allow for quick positioning. The inclined bore geometry is designed in advance to guide the locking screw and enable precise adjustment without requiring multiple iterative operations.
3Device complexity
If fewer components are used in the holder design, then the manufacturing cost and device complexity are reduced, but the adjustment precision and options are limited
Solution Approach 1:
The locking screw is designed to move along an inclined bore, creating a dynamic adjustment mechanism. As the locking screw is tightened, it travels along the inclined surface, automatically adjusting the radial position of the removable part before locking it in place, providing both adjustment and locking functions with a single component.
Solution Approach 2:
The inclined bore changes the geometric parameter of the locking path, transforming the linear motion of the locking screw into combined radial and axial movement. This parameter change enables precise radial adjustment of the cutting tool while maintaining structural simplicity.
4Device complexity
If fewer components are used in the holder design, then the manufacturing cost and device complexity are reduced, but the stability decreases
Solution Approach 1:
The locking screw is designed to move along an inclined bore, creating a dynamic adjustment mechanism. As the locking screw is tightened, it travels along the inclined surface, automatically adjusting the radial position of the removable part before locking it in place, providing both adjustment and locking functions with a single component.
Solution Approach 2:
The inclined bore changes the geometric parameter of the locking path, transforming the linear motion of the locking screw into combined radial and axial movement. This parameter change enables precise radial adjustment of the cutting tool while maintaining structural simplicity.
Data Source
Figure 1~2c
Figure 3~4
Figure 5
AI summary
Holder (100) for cutting tool for processing of workpieces, where the holder (100) comprises a first part (110) with means (113) for holding a cutting tool (150), a second part (120) to which the first part is adapted to be fastened, a fastening element (140) adapted to fasten the first part to the second part, an adjustment element (130, 500) adapted to adjusted the position of the first part in relation to the second part. The first and second parts comprise at least a first bore (117, 126) for receiving the fastening element and a second bore (118) and a recess (118, 128) for receiving the adjustment element, where the first part further comprises an abutment surface (115) adapted to be placed onto a contact surface (122) of the second part, such that the central axes (A-A) for the first and second bores become parallel. The abutment surface of the first part and the contact surface of the second part are inclined in relation to the feeding axis (G-G) of the work piece towards the cutting tool (150).