Intro
Quality control, which is carried out after each important production step, is of great importance in the process chain. Depending on the production stage (raw yarn, raw thread, finished thread), various quality criteria (linear density, strength, fibre purity, etc.) are checked and systematically recorded on the basis of strict production specifications. Only those batches that meet all criteria are released for further processing. The data collected is included in the weekly and monthly quality reports, which provide precise information about the quality level and any trends or problems.
This complex quality control process is necessary to ensure a consistently high level of quality across all batches and to comply with agreed delivery specifications, for example with customers in the automotive industry. Any quality defects cannot usually be corrected in the finished product and must therefore be identified and eliminated at an early stage.
In addition to quality control in the laboratory, AMANN therefore carries out extensive quality monitoring during production. In some cases, machines perform the monitoring function for individual quality criteria fully automatically, e.g. through thread monitors on the twisting machines or electronic thread sensors on the winding machines. In addition, quality control specialists in production continuously monitor the manufacturing conditions, thereby ensuring that there are no defects in the goods.
In addition to technological quality control, it is important to check the dyeing process to ensure that all batches of a colour are exactly the same. This requires both the experienced eye of the dyer and the use of colour measuring devices with modern testing technology.
FAQ
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Quality control ensures consistent thread performance and prevents defects. It is essential for reliable sewing processes.
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Parameters include strength, evenness, twist, and surface quality. These factors influence sewing performance.
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High-quality threads reduce machine downtime and rework. This improves overall productivity.
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Inconsistent threads can cause breakage, uneven seams, and poor appearance. This leads to production issues.
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Yes, threads undergo multiple tests during production. This ensures they meet required standards.
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Thread strength is measured under controlled tension conditions. This ensures it meets application requirements.
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Yes, continuous monitoring allows early detection of deviations. This helps prevent large-scale defects.
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Thread production is sensitive to small variations. Ongoing control ensures stable and consistent output.