Electromagnetic Brake Reel Support System
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Solution Overview
Problem
The existing systems for mounting and managing reels of stamping tape in stamping machines are impractical due to the weight and cost of the reels, making them difficult to install and risking damage, especially when they have a mass of up to 300 kg.
Innovation Solution
A support system for reels of stamping tape in an unwinder module, featuring two flanges with axes of rotation, slide-mounted cheeks with notches, and electromagnetic braking means to securely mount and control the reel's rotation, allowing for easy installation and efficient braking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional mounting systems are used for heavy reels, then the reel can be mounted, but the mounting process is difficult and time-consuming due to the weight of up to 300 kg
Solution Approach 1:
The patent employs a trolley-based support system that acts as a mobile platform to counterbalance and support the heavy reel weight during mounting operations. The trolley with wheels allows the operator to easily maneuver and position the heavy reel without direct manual lifting, effectively counteracting the gravitational force on the 300 kg reel and reducing the physical effort and time required for mounting.
2Reliability
If traditional braking systems are used for heavy reels, then the reel can be braked, but the system is complex and difficult to control due to the reel's mass and inertia
Solution Approach 1:
The patent replaces traditional mechanical braking systems with an electromagnetic brake that utilizes magnetic fields to generate braking force. This electromagnetic braking mechanism provides more precise and reliable control over the heavy reel's rotation, overcoming the challenges posed by the reel's mass and inertia while simplifying the overall braking system architecture compared to complex mechanical arrangements.
3Reliability
If the reel is permanently braked to guarantee optimum strip tension, then the strip tension is maintained, but the reel cannot easily follow accelerations and decelerations due to its mass and inertia
Solution Approach 1:
The patent implements a dynamic braking system where the electromagnetic brake's braking force can be dynamically adjusted in real-time based on the reel's operational state. This allows the system to maintain optimal strip tension during steady operation while quickly adapting to acceleration and deceleration phases, enabling the heavy reel to respond flexibly to speed changes without compromising tension control.
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 solution simplifies the mounting process, reduces loading time, and ensures reliable operation by providing a stable and controlled braking mechanism for the reels, addressing the challenges of weight and cost associated with heavy reels.
Implementation Method 1
the braking means comprise an electromagnetic brake
Data Source
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AI summary
The invention relates to a system for supporting a rotatably mounted roll (2) of web to be stamped, comprising two flanges (9, 9') secured to the shaft of the roll (2, 2') and each having a rotational axis; two bases (7, 7') mounted on a slide rail (3), each comprising at least one upwardly oriented slot (10, 10') for receiving the shaft of each flange (9, 9'); and braking means (13) for cooperating with, and slowing down, a rotation of the roll (2).