Flat steel market leading quality and thoroughly, the result of surviving for ev
March 2010 ~ April, China Textile Machinery Association standards for quality centers in the form of voluntary participation by enterprises, many enterprises within the industry production of flat products, the quality program working real situation. Thoroughly in the quality of this work in the industry, were tested in Shanghai, Chongqing, Liaoning, Shanxi, Shandong, Henan, Jiangsu, Zhejiang and other 15 enterprises in 15 batches of products to test models of flat programs are PG1-4254 type. Thoroughly test the quality of physical quality standards was 86.6%, of which 8 enterprises to achieve the total entry time pass rate of 100% level, four items of business to achieve the total pass rate of 99% second level. Thoroughly work the industry to get some valuable first-hand information, but also the future direction of the ring market has played a positive role in guiding.
Quality ring platform for promoting the healthy development of the industry sources
With the development of market economy, China's textile machinery industry has made rapid development. The face of spinning technology has improved continuously and the species gradually increased downstream business professionals with complementary pieces of plane program quality requirements have become more sophisticated. Although in recent years, Jiangsu Province organized a 4 flat steel production enterprises in the province led the supervision and inspection, but since 1996, the standard center program has not been organized on a national quality inspection plane, flat ring of quality mixed market phenomenon. To understand the current industry leading flat steel producers in the quality status, to get more quality information, to better promote the healthy development of textile machinery industry, and also to the ring plane this year, the industry standard to provide data support the amendment, we conducted this times the quality inspection work.
Thoroughly test the quality of the textile industry based on standard FZ/T92018-2001 "flat steel collar" requirements, on the surface hardness of the ring plane, internal diameter, bottom diameter size, diameter roundness, flatness of the top, bottom of the top face parallelism, appearance, seven projects have been tested. Upon examination, most of the testing companies can meet the requirement. (See table below)
The quality and thoroughly test results showing the new features, mainly as follows: the products quality pass rate decreased than before; a number of high-profile businesses to continue to maintain a high level of product quality, product quality has reached the standard eligibility requirements specified , and the total items of 100% pass rate times the level; Jiangsu province, leading manufacturer of steel flat product quality has made significant progress. Shows two consecutive years since 2007 in Jiangsu Province of quality supervision and spot checks to promote awareness of enterprises, strengthen the quality control over the overall level of product quality is much higher than previous years.
Quality awareness of urgent need to strengthen the industry standard amendments
Thoroughly tested in this quality, we found that although domestic manufacturers of the products of ring quality consciousness and ring items times the total pass rate is increasing, but between products of different companies still exist between the quality of small-scale enterprise quality awareness weak, these problems mainly in the following three aspects:
The first products of varying quality, individual enterprises ring flatness top, bottom diameter size, diameter size, surface hardness exceeding technical requirements of indicator there are still serious. Industry standards require that: the top ring flatness of not more than 0.08 mm, the test sample in the top flatness up to 0.25 mm, exceeding three times; industry standard specifies the type of bottom diameter size 54.0-0.19 mm, the test samples in three batches of samples exceeded the target; industry standard indicators provides the surface hardness of not less than 81.5HRA. The test samples far exceeded the measured data of the project are five batches of samples, the lowest low over 74.0HRA, which need to rise to the relevant enterprises attach great importance.
Second, there is a sluggish current industry standards, some of the current technology can not meet the technical requirements of the increasing performance requirements of spinning the yarn, so the ring is only made to meet the standards can not completely meet the mills on the high-speed, low hairiness, long Life's production requirements.
We are currently working on revising the new industry standard, if the new standard for random testing, the pass rate will lower the level of quality thoroughly. Thus increasing the sampling ring plane, improve the quality of machine is still long way to go.
Third, some smaller companies still have a weak awareness of product quality, lack of product testing methods, product quality can not be guaranteed. With the development of market economy, the steel industry, the emergence of new leading manufacturer, from several national professional manufacturer to the current dozens of manufacturers. Since most new businesses are small businesses, and some even composed of only a dozen small workshops, a lack of processing capacity, there is no full-time quality control personnel, there is no corresponding detection methods, relying on the experience of production, the quality of their products situation is not clear on low price marketing tool to sell products to the textile machinery market has brought confusion and shock. Lack of proper quality assurance and service capabilities, has destroyed the market environment, but also seriously damages the interests of consumers.
The sample for the main problems identified, we have launched rapid response mechanism, timely notification of the relevant enterprises, hoping to arouse great attention, according to standards for rectification. At the same time the quality of the real situation in the better quality companies, we also increased efforts to promote recognition. In the future, China Textile Machinery Association Standard Quality Centre will continue to track the quality of the products, and actively help enterprises to improve product quality, and promote the overall quality of the textile machinery industry level. The textile machinery manufacturing enterprises should strictly and effectively control the product quality, improve the process of spinning yarn quality and effectiveness as its constant goal to pursue. We hope that manufacturers are aware of its existence a number of deficiencies, and further enhanced and improved product quality and quality awareness.
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