Interviews
Zenit+ from Loepfe offers superior clearing for core yarns
19 Aug '15
2 min read
During yarn clearing, which eliminates yarn faults, faults in core yarns have to be detected very reliable for which the optical yarn clearer Zenit+ from Loepfe, offers a superior method for this application.
According to a Loepfe press release, stretch fabrics are becoming more and more popular in clothing industry as they have a better fit and retain their shapes, when elastic yarns are used.
The so-called core yarns, which are used for stretch fabrics, are a challenge for the textile industry in terms of clearing yarn faults.
“One of the typical faults is the so-called strip-back which happens due to a slippage between the inner elasthane filament and the staple fibre and so the core is not completely covered with cotton fibres,” it said.
“As elasthane and cotton have different characteristics during dyeing, these faults can become visible in the end product,” Loepfe explained.
The yarn clearer Zenit+ with the optional LabPack is able to identify these faults very reliably as it utilises an optical method to identify thin and thick faults during winding.
The detection of dark foreign fibres is also realised with an optical method and an additional triboelectric sensor detects synthetic foreign matter like polypropylene originating from packaging material.
Due to its optical method, the Zenit+ guarantees a fast and reliable detection of typical yarn faults, which gives it an advantage compared to capacitive yarn clearers, which basically detect only the overall mass of the yarn.
“The Zenit+ can also monitor the splicing joints resulting in yarns with only perfect splicing joints, as the yarn clearer monitors every single splicing joint and classifies them,” it informed.
“The classification enables the monitoring of the splicing process itself, and thereby identifies splicers, which are permanently producing non-optimal splice joints,” the company observed.
According to a Loepfe press release, stretch fabrics are becoming more and more popular in clothing industry as they have a better fit and retain their shapes, when elastic yarns are used.
The so-called core yarns, which are used for stretch fabrics, are a challenge for the textile industry in terms of clearing yarn faults.
“One of the typical faults is the so-called strip-back which happens due to a slippage between the inner elasthane filament and the staple fibre and so the core is not completely covered with cotton fibres,” it said.
“As elasthane and cotton have different characteristics during dyeing, these faults can become visible in the end product,” Loepfe explained.
The yarn clearer Zenit+ with the optional LabPack is able to identify these faults very reliably as it utilises an optical method to identify thin and thick faults during winding.
The detection of dark foreign fibres is also realised with an optical method and an additional triboelectric sensor detects synthetic foreign matter like polypropylene originating from packaging material.
Due to its optical method, the Zenit+ guarantees a fast and reliable detection of typical yarn faults, which gives it an advantage compared to capacitive yarn clearers, which basically detect only the overall mass of the yarn.
“The Zenit+ can also monitor the splicing joints resulting in yarns with only perfect splicing joints, as the yarn clearer monitors every single splicing joint and classifies them,” it informed.
“The classification enables the monitoring of the splicing process itself, and thereby identifies splicers, which are permanently producing non-optimal splice joints,” the company observed.
Fibre2Fashion News Desk – India
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