Magnetic Braking Device for Conductor Speed Control

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Solution Overview

Problem

Existing conductor braking devices are unsuitable for loose cable storage units, often resulting in loop formation due to slow response times and complex constructions, and lack selective braking capabilities.

Innovation Solution

A device with a braking element and contact pressure element arranged to move relative to each other, allowing for adjustable braking force through a positioning apparatus, featuring a ceramic braking element and a magnetic braking device for contactless operation, enabling precise control over the conductor's speed.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Force

If a disc brake with pivoting arm control is used, then braking force can be applied to the conductor, but the device construction becomes complicated and response time increases

Engineering Contradiction:
Improvebraking forceVSAvoiddevice construction
Core Design Contradiction:
ForceVSDevice complexity

Solution Approach 1:

The patent replaces the complex mechanical pivoting arm control system with a magnetic braking mechanism. The magnetic brake uses magnetic fields to apply braking force directly to the conductor without requiring mechanical linkages, pivoting arms, or complex adjustment mechanisms. This substitution of mechanical control with magnetic field interaction resolves the contradiction by maintaining braking force capability while dramatically simplifying the device construction and improving response time.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Force

If the conductor is deflected and bent multiple times to use existing brake, then braking can be achieved, but the device becomes more complex and material is consumed

Engineering Contradiction:
Improvebraking forceVSAvoidconductor material
Core Design Contradiction:
ForceVSLoss of substance

Solution Approach 1:

The magnetic braking system replaces the need for mechanical deflection and bending of the conductor. Instead of routing the conductor through multiple bends to engage with a traditional brake, the magnetic brake applies braking force directly to the conductor in its natural linear path using magnetic field interaction. This eliminates unnecessary conductor manipulation, reduces material consumption, and simplifies the overall device structure while maintaining effective braking capability.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

3Force

If a brake roller driven in braking direction is used, then braking can be applied, but the roller must be configured to work against wire run during feeding

Engineering Contradiction:
Improvebraking forceVSAvoidroller configuration
Core Design Contradiction:
ForceVSDevice complexity

Solution Approach 1:

The patent replaces the driven brake roller system with a magnetic braking mechanism. The magnetic brake applies retarding force through magnetic field interaction without requiring a mechanically driven roller that must be configured to work against the wire run direction. This substitution eliminates the complexity of roller drive mechanisms, bearing configurations, and directional working requirements, while providing smooth and controllable braking force application.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

4Force

If conventional braking devices are used with loose cable storage units, then braking can be attempted, but loop formation occurs due to slow response time

Engineering Contradiction:
Improvebraking forceVSAvoidresponse time
Core Design Contradiction:
ForceVSLoss of time

Solution Approach 1:

The magnetic braking system replaces conventional mechanical braking devices with a field-based braking mechanism. Magnetic fields can be activated and adjusted instantaneously without mechanical inertia or linkage delays, providing extremely fast response time. This rapid response capability prevents loop formation by applying braking force immediately when needed, while the adjustable magnetic field strength ensures appropriate braking force is applied for different conductor types and speeds.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

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

The device provides a simple, efficient, and material-conserving solution for braking conductors, preventing loop formation by allowing precise control over the braking force and reducing mechanical wear, while maintaining a compact design.

Implementation Method 1

a magnetic braking device (270) for contactless operative connection with the braking element (10) in an activated state

Methodology Applied
Scientific EffectMagnetic braking: Magnetic Field

Data Source

PatentUS11780702B2Device and method for braking a conductor
Publication Date: 2023.10.10 SCHLEUNIGER AG
  • US11780702B2 patent drawing
  • US11780702B2 patent drawing
  • US11780702B2 patent drawing

AI summary

A device (100) for braking a conductor. The device (100) comprises a braking element (10), which is able to be put into an operative connection with a conductor guided in a conveying direction of the device (100), and a contact pressure element (20) which is able to put into an operative connection with the conductor guided in the device (100). The contact pressure element (20) is arranged opposite the braking element (10) and the elements are movable relative to one another. The contact pressure element (20) is arranged on a brake lever (30) mounted in a pivotable manner on a pivot pin (31). Furthermore, a method for braking the conductor and to a cable processing machine having the device (100) are also disclosed.