Dual Opposing Twisting Heads for Cable Processing
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Solution Overview
Problem
Existing twisting machines for electrical or optical lines are inefficient, as they restrict rotational speed for safety and protection, leading to prolonged twisting times and potential damage to lines.
Innovation Solution
The use of two oppositely rotating twisting heads spaced apart to grip both ends of the lines, allowing for simultaneous twisting and reducing the twisting time by approximately half while ensuring gentle handling and protection of the lines.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a single twisting head is used to rotate the lines, then the twisting process can be completed, but the twisting time is prolonged and the lines are subjected to higher mechanical stress
Solution Approach 1:
The twisting apparatus divides the single twisting function into two separate twisting heads that operate simultaneously on opposite ends of the lines. Each twisting head performs the twisting action independently, halving the overall twisting time while distributing the mechanical stress across two gentler rotational actions rather than one prolonged action.
Solution Approach 2:
Instead of rotating one end of the lines while holding the other end stationary, the invention rotates both ends of the lines in opposite directions. This inverted approach allows the lines to twist more evenly throughout their length, reducing localized stress concentrations and preventing damage to the insulation and copper strands.
2Productivity
If the rotational speed of the twisting head is increased to reduce twisting time, then productivity improves, but the lines may be damaged
Solution Approach 1:
By splitting the twisting action into two simultaneous operations at opposite ends, each twisting head operates at a lower, safer rotational speed while achieving the same overall productivity. The combined effect of both heads working in parallel reduces total twisting time without requiring excessive speed from either head, thereby preventing line damage.
Solution Approach 2:
Rotating both ends in opposite directions creates a more balanced and controlled twisting process. This allows for gentler acceleration and deceleration profiles at each end, reducing the risk of mechanical damage while maintaining efficient twisting speed. The opposing rotations naturally balance the mechanical loads on the lines.
3Productivity
If the twisting head rotates quickly to improve efficiency, then the twisting process is faster, but process safety and line protection are compromised
Solution Approach 1:
The segmentation of the twisting function into two simultaneous operations allows each twisting head to operate at moderate speeds with proper control. This divided approach maintains process safety by avoiding the need for high-speed single-head operation, while still achieving high overall efficiency through parallel processing of both line ends.
Solution Approach 2:
The inverted twisting mechanism where both ends rotate in opposite directions creates inherent process safety through balanced force distribution. This approach prevents the accumulation of excessive mechanical energy that could damage the lines, while maintaining efficient twisting throughput through coordinated dual-end operation.
Data Source
AI summary
The invention relates to a twisting apparatus (1) for twisting of electrical or optical lines (2) such as wires, cables, line bundles, optical fibers etc. in particular a cable twisting apparatus, comprising a base (5) and a twisting head (3) which can be rotated relative to the base (5), which is configured to grip the lines (2) to be twisted at their first ends, characterized in that the twisting apparatus (1) comprises a second twisting head (4) which can be rotated relative to the base (5), which is disposed opposite the first twisting head (3) and which is configured to grip the lines (2) to be twisted at their second ends opposite the first ends and that the second twisting head (3) can be rotated in the opposite direction to the second twisting head (4). The invention also relates to a method for twisting lines.