Cable End Processing Device with Independent Drive Units
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Solution Overview
Problem
Existing devices for processing coaxial cable ends lack controllability and accuracy in separating and reconfiguring the shielding, leading to inefficiencies and inconsistencies in the machining process.
Innovation Solution
The apparatus features independent drive units for centering and cutting, a shield clamping device, and a compressed air system to expand the shielding, allowing precise control over the cutting process and reliable separation of the shielding, with the option to invert the remaining shielding for further assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If existing devices use a single drive unit for both centering and cutting operations, then the device complexity is reduced, but the controllability and accuracy of the machining process deteriorates
Solution Approach 1:
The single drive unit is segmented into two independent drive units: a first drive unit for controlling the centering device and a second drive unit for controlling the cutting body. This segmentation allows each drive unit to be optimized for its specific function, improving overall controllability and cutting accuracy while maintaining manageable device complexity through modular design.
2Manufacturing precision
If the shielding is expanded radially outward before cutting, then the cutting accuracy is improved, but the device complexity increases due to additional expansion mechanisms
Solution Approach 1:
The shielding expansion is performed as a preliminary action before the cutting operation. The expansion device radially expands the shielding to create a stable, centered position that facilitates precise cutting. By preparing the shielding in advance, the subsequent cutting operation achieves higher accuracy without requiring overly complex real-time adjustment mechanisms.
3Device complexity
If the shield clamping device is integrated with the cutting body, then the device complexity is reduced, but the flexibility and independent control capability deteriorates
Solution Approach 1:
The shield clamping device is segmented as an independent component with its own drive unit, separate from the cutting body. This allows the clamping and cutting operations to be controlled independently, providing flexibility to adjust clamping force and positioning without affecting the cutting parameters. The modular design maintains manageable complexity while enhancing adaptability.
4Manufacturing precision
If multiple drive units are used for independent control of centering and cutting, then the controllability and accuracy are improved, but the device complexity increases
Solution Approach 1:
The multiple drive units are designed with dynamic control capabilities, allowing each drive unit to operate independently and be adjusted in real-time based on process requirements. The first drive unit controls the centering device dynamically, while the second drive unit controls the cutting body separately. This dynamic independence enables high machining accuracy while the modular architecture keeps the overall system complexity manageable through standardized control interfaces.
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
This solution enhances controllability, flexibility, and accuracy in processing coaxial cable ends, ensuring reproducible results and efficient preparation for connector assembly by allowing precise control over the cutting and expansion of the shielding.
Implementation Method 1
a compressed air system to expand the shielding
Data Source
Figure 1
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AI summary
The present disclosure relates to a device for processing the end of a cable (1) comprising an inner part (3) and a shield (4) concentrically surrounding the inner part (3). The device includes a die (10) having a through-opening (10A). The device further includes a centering device (14) that is axially movable by a first drive unit (16) in the direction of the die (10) and that has an inner channel (14A). The device also includes a cutting element (12) that is axially movable by a second drive unit (17) in the direction of the die (10) and has a cutting edge (12A).