Wire Tensioning Assembly With Feedback Carriage for Precise Bending
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Solution Overview
Problem
Existing wire unreeling systems in electrical winding formation face issues with maintaining a constant speed and dynamic movement, leading to inertial problems and difficulties in positioning and bending operations.
Innovation Solution
An assembly with a guide pulley on a carriage translated by an actuator, controlled by a management unit to adjust the motion of the wire based on detected dynamic behavior, ensuring constant tension and optimal positioning for cutting and bending.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If elastic guide means are used to contain inertial problems during wire unreeling, then the wire positioning is improved, but the inertial problems are not eliminated
Solution Approach 1:
A guide pulley is introduced as an intermediary element between the wire spool and the bending station. The pulley is mounted on a movable carriage that can translate along a guide, acting as a mediator to absorb and manage inertial effects during wire unreeling and positioning operations.
Solution Approach 2:
The guide pulley is mounted on a movable carriage that can translate along a guide, transforming the static guide means into a dynamic system. This allows the guide pulley to move with the wire feed, dynamically adjusting to speed variations and eliminating inertial problems while maintaining wire positioning stability.
2Adaptability or versatility
If the wire is unreeled at variable speed to follow predefined motion rules, then the bending and cutting operations are enabled, but inertial problems occur due to non-constant speed
Solution Approach 1:
The system implements feedback control where the carriage movement is controlled based on the actual wire feed speed and position. Sensors detect wire parameters and adjust the carriage motion accordingly, ensuring the wire is unreeled at the appropriate speed while maintaining stability and complying with bending operation requirements.
Solution Approach 2:
The guide pulley on the movable carriage creates a dynamic unreeling system that can adapt speed in real-time. The carriage translates along the guide at variable speeds controlled by feedback from wire position sensors, enabling both motion rule compliance and unreeling stability.
3Quantity of substance
If a heavy spool is used to supply wire, then sufficient wire length is available, but it is difficult to confer dynamic movement that follows the rule of motion steadily
Solution Approach 1:
The guide pulley on the movable carriage acts as an intermediary between the heavy spool and the wire feed system. This mediator allows the heavy spool to rotate steadily while the carriage handles the dynamic movement requirements, separating the wire supply function from the motion control function.
Solution Approach 2:
The system decouples the static spool from the dynamic wire feed by introducing a movable carriage with guide pulley. The spool can remain stationary and heavy for adequate wire supply, while the carriage dynamically translates along the guide to provide the necessary motion, making the heavy spool easy to operate.
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 assembly maintains wire tension and positioning, preventing jams and ensuring precise bending by reconciling irregular motion with constant speed unreeling, providing a dynamic buffer and efficient wire formation.
Implementation Method 1
at least one guide pulley is interposed between said spool and said means and is pivoted on a carriage
Implementation Method 2
a carriage which can translate along a respective guide by virtue of the action of an actuator
Implementation Method 3
the rule of motion of said carriage along said guide being defined in feedback by said unit as a function of the rule of motion of said wire within said bending and sizing means
Data Source
AI summary
An assembly for tensioning wires for forming components of electrical windings, which comprises at least one spool of wire arranged upstream of bending means, and at least one guide pulley that rotates on a carriage which translates along a respective guide by an actuator, the guide pulley being configured to redirect the wire originating from the spool; and a control and management unit designed to monitor dragging of the wire toward the bending means, so as to detect the dynamic behavior with which the wire moves. The control and management unit commands the actuator, in order to move the carriage along the guide with a rule of motion defined in feedback as a function of the dynamic behavior of the wire that has been detected by the control and management unit, so as to maintain the wire under tension.