Warping Machine Rope Winding Constant Arc Angle
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Solution Overview
Problem
Existing rope warping machines experience inconsistent mechanical wear on the rope due to changing arc length and pressure in the pressure zone as the warp thickness increases, leading to uneven mechanical properties of the rope.
Innovation Solution
A warping machine design where the pressure drum and bobbin are mounted on the same support structure, with a rope directing mechanism that guides the rope to a receiving zone on the pressure drum before entering the pressure zone, maintaining a constant arc angle and pressure line angle to minimize mechanical wear, and the pressure drum rotates to reduce slippage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the warp thickness increases during the warping process, then the productivity and output of the warping machine improves, but the arc length and pressure in the pressure zone change causing inconsistent mechanical wear on the rope
Solution Approach 1:
The pressure drum is made translationally movably mounted with respect to the bobbin axis, allowing it to dynamically adjust its position as the warp thickness increases. This dynamic adjustment maintains a constant arc length and constant pressure in the pressure zone throughout the warping process, preventing inconsistent mechanical wear while enabling continuous high-productivity operation.
2Manufacturing precision
If the pressure drum applies constant pressure onto the rope in the pressure zone, then the winding quality improves, but the mechanical wear on the rope increases due to friction and slippage
Solution Approach 1:
The pressure drum serves as an intermediary element between the rope and the bobbin. By making the pressure drum translationally movable, it mediates the interaction forces, maintaining constant pressure for uniform winding while reducing direct friction and slippage between the rope and stationary structures, thereby minimizing mechanical wear.
3Object-affected harmful factors
If the arc length between the receiving zone and the pressure zone is maintained constant, then the mechanical wear on the rope is reduced, but the device complexity increases due to the movable mounting requirement
Solution Approach 1:
The pressure drum is made translationally movably mounted with respect to the bobbin axis, allowing it to dynamically adjust its position as the warp thickness increases. This dynamic adjustment maintains a constant arc length and constant pressure in the pressure zone, preventing inconsistent mechanical wear while enabling continuous high-productivity operation.
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 design results in more consistent and reduced mechanical wear on the rope, ensuring uniform winding and improved rope quality by maintaining constant pressure and reducing unwanted forces during the warping process.
Implementation Method 1
a pressure drum (21) with a rotational drum axis for applying pressure onto the rope in a pressure zone between the pressure drum and the bobbin
Implementation Method 2
the pressure drum rotates to reduce slippage
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
The invention relates to a warping machine (5) for a rope (13) made of a plurality of yarns, comprising a bobbin (23) with a rotational bobbin axis (R1) onto which the rope is wound, a pressure drum (21) with a rotational drum axis (R2) for applying pressure onto the rope in a pressure zone between the pressure drum and the bobbin, and a rope directing mechanism (19), wherein the rope directing mechanism is adapted to guide the rope in that it reaches a receiving zone (25) on the pressure drum where the rope comes in contact with the pressure drum (21) before reaching the pressure zone (27).