Ring Spinning Frame Programming Apparatus for Slub Profile Control
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Solution Overview
Problem
Existing ring spinning frame systems require manual and error-prone programming to produce yarns with complex slub profiles and sequences, leading to inconsistencies in yarn quality and aesthetic characteristics.
Innovation Solution
An automated operating and programming apparatus with electronic interfaces for designing and programming slub profiles and sequences, converting these into speed instructions for the drawing and twisting devices to achieve precise control over yarn count and twist variations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If manual programming is used to control slub profiles, then the system is simple to operate, but programming errors increase and precision decreases
Solution Approach 1:
The patent replaces manual mechanical programming with an automated computer-controlled system. The drawing roller speeds are automatically adjusted based on pre-programmed slub profiles, eliminating manual intervention and its associated errors while maintaining precision through digital control mechanisms.
Solution Approach 2:
The system enables self-service programming through automated calculation of drawing roller speeds based on desired slub profiles. The control device automatically determines the speed variations needed to achieve target count variations, reducing the need for complex manual programming while improving precision.
2Adaptability or versatility
If complex slub profiles are programmed manually, then versatility increases, but error probability increases
Solution Approach 1:
The control device incorporates feedback mechanisms that automatically adjust drawing roller speeds based on real-time monitoring of yarn count. This closed-loop control ensures that complex slub profiles are executed with high reliability, automatically correcting deviations without manual intervention.
Solution Approach 2:
The patent replaces error-prone manual programming with automated computer control that can handle complex slub profiles reliably. The system stores and executes digital programs for various slub patterns, eliminating human error while maintaining full versatility in profile design.
3Manufacturing precision
If automated control is implemented for yarn count variation, then manufacturing precision improves, but device complexity increases
Solution Approach 1:
The control system is segmented into modular components: a programming interface for defining slub profiles, a calculation unit for determining roller speeds, and execution mechanisms for adjusting drawing rollers. This segmentation manages complexity by dividing the control function into independent, manageable modules.
Solution Approach 2:
The control device serves multiple functions: it programs slub profiles, calculates optimal drawing speeds, monitors yarn count in real-time, and adjusts roller speeds automatically. This multi-functionality consolidates what would otherwise require multiple separate devices into a single integrated system.
Data Source
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AI summary
An apparatus for operating and programming a ring spinning frame, comprises an actuation device (50), to activate the driving means depending on the speed instructions, and an electronic programming device (60) which can be programmed to set the progress of the count and/or twist along the length of a yarn. The electronic programming device (60) comprises a first interface (62) suitable for designing the profile of a slub and conversion means (90) suitable for converting the parameters of the profile of the designed slub into speed instructions for the actuation device.