Textile Machine Roving Winding Sleeve Replacement
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Solution Overview
Problem
Textile machines face productivity issues due to interruptions during roving production, such as tearing or clogging, which require reconnecting partially wound roving, leading to time-consuming processes and reduced productivity.
Innovation Solution
Implement a method where sensors detect interruptions, such as no roving production or winding issues, and initiate a sleeve changing process, stopping relevant devices, and restarting with an empty tube to prevent joining of new roving with partially wound roving, ensuring continuous operation by winding onto an empty sleeve.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If roving production is interrupted due to tearing or clogging, then the quality of roving is maintained by stopping production, but productivity decreases due to time-consuming reconnection processes
Solution Approach 1:
The sensor system continuously monitors the roving production process and detects interruptions (tearing or clogging) before they affect quality. By detecting issues early and automatically initiating the sleeve changing process, the system prevents defective roving production while minimizing downtime, thus maintaining both quality and productivity
2Productivity
If sensors and automatic sleeve changing system are implemented, then productivity is improved by reducing downtime, but device complexity increases
Solution Approach 1:
The system implements self-service through automatic detection and response. The sensor system automatically detects interruptions and triggers the sleeve changing process without human intervention. The control unit coordinates the entire process automatically, reducing the need for complex manual operations and operators, thus improving productivity while keeping the added complexity manageable through automation rather than manual procedures
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 approach minimizes downtime by quickly replacing partially spooled tubes with empty ones, allowing for seamless resumption of roving production and maintaining high productivity, with the entire process typically completed within 60 seconds.
Implementation Method 1
a sensor system that is designed to monitor whether a roving is being produced from the consolidating means and/or whether the roving is being wound onto the sleeve
Data Source
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AI summary
The invention relates to a method for operating a textile machine which is used to produce rovings (2). During a normal operation, a fiber composite (4) is supplied to at least one strengthening means of the textile machine, and a roving (2) which has a protective twist is produced from the composite fiber (4) using the strengthening means. The roving (2) is wound onto a reel (6) after leaving the strengthening means and by means of a winding device (5) arranged downstream of the strengthening means in a transport direction (T) of the roving (2). A sensor system (9) is used to monitor whether a roving (2) has been produced by the strengthening means and/or whether the roving (2) produced by the strengthening means has been wound onto the reel (6). According to the invention, if the sensor system (9) detects that the strengthening means has not produce a roving (2) or the roving (2) produced by the strengthening means has not been wound onto the reel (6), the normal operation is then interrupted; the reel (6), which has already been partly wound with a roving (2) by means of the winding device (5) before the normal operation was interrupted, is replaced with an empty reel (6) as part of a sleeve replacement process; a starting process is carried out in which a roving (2) produced by the strengthening means after the strengthening means is started up is brought into contact with the empty reel (6); and the roving (2) produced by the strengthening means after the starting process is wound onto the reel (6) and the normal operation is continued. The invention additionally relates to a textile machine for producing rovings (2).