Machining Cartridge with Intersecting Surfaces for Reversible Positioning
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Solution Overview
Problem
Existing cutting insert positioning systems for machining tools require complex and time-consuming procedures to adjust the position of cartridges, as they cannot be easily reversed once displaced beyond a predetermined position, leading to operator inefficiency, especially when multiple cartridges are involved.
Innovation Solution
A cartridge design with a clamping hole and intersecting surfaces that allows for easy adjustment and reversal of the cartridge position using a positioning screw, eliminating the need to completely unscrew the clamping screw, and incorporating a wedge with oblique surfaces for precise displacement along a central longitudinal axis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the cartridge is displaced beyond a predetermined position using the positioning screw, then the cutting insert position can be adjusted, but the cartridge cannot be displaced in the opposite direction without completely unscrewing the clamping screw and positioning screw
Solution Approach 1:
The invention inverts the traditional clamping mechanism by making the clamping screw adjustable in position along its axis. Instead of the screw being fixed and requiring complete unscrewing to release the cartridge, the screw can be moved to different positions including a released position where it no longer engages with the cartridge. This allows the cartridge to be displaced in either direction by simply moving the positioning screw without needing to completely unscrew either component.
2Reliability
If the clamping screw is made fixed to secure the cartridge, then the cartridge is firmly clamped, but the adjustment procedure becomes complex and time-consuming when multiple cartridges need to be adjusted
Solution Approach 1:
The invention transforms the static clamping screw into a dynamic component that can be adjusted along its axis. The clamping screw includes a positioning mechanism that allows it to be moved between a clamped position (where it secures the cartridge firmly) and a released position (where it allows cartridge movement). This dynamic capability enables rapid adjustment of multiple cartridges without compromising clamping stability, significantly improving operator efficiency.
3Manufacturing precision
If the positioning screw is used to displace the cartridge along the central longitudinal axis, then precise positioning is achieved, but the operation becomes difficult when the cartridge needs to be repositioned in the opposite direction
Solution Approach 1:
The invention segments the positioning function by separating the clamping function (performed by the adjustable clamping screw) from the positioning function (performed by the positioning screw). The clamping screw can be independently moved to a released position, allowing the positioning screw to move the cartridge in either direction along the central longitudinal axis without restriction. This segmentation enables precise positioning while maintaining ease of repositioning.
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
Facilitates simple and efficient adjustment of cutting inserts on machining tools, reducing operator time and improving precision by allowing the cartridge to be easily returned to its predetermined position without requiring complete unscrewing of the clamping screw.
Implementation Method 1
couple the cartridge with a wedge having, as the cartridge, an oblique surface so that when the wedge is displaced in a first direction, the cartridge and thus the cutting insert mounted onto which is displaced in a second direction perpendicular to the first direction
Data Source
AI summary
A cartridge for positioning a cutting insert onto a machining tool has a central longitudinal axis, along which the cutting insert is configured to be positioned and an end wall for supporting the cartridge. The end wall defines a first surface extending beyond the end wall and transversally to the central longitudinal axis. The cartridge includes a rear wall for supporting the cartridge against the machining tool and defining a second surface extending beyond the rear wall and a front clamping wall having a clamping hole. The clamping hole extends along a clamping direction and is configured to receive a clamping screw for clamping the cartridge onto the machining tool, wherein the clamping direction is arranged to intersect the first and second surfaces.