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In the early stage of the epidemic, as an important material for epidemic prevention-medical masks, a lot of shortages inevitably appeared. However, in just over a month, China's mask output has not only achieved self-sufficiency, but can also be exported to support the epidemic prevention work of countries around the world. Behind this, not only has the kinetic energy of China's strong industrial system cooperation, but also an unknown reason is the production technology of melt-blown cloth and the innovation of the process technology of the melt-blown machine spinneret!
The core part of the main machine of the melt-blown production equipment is the spinneret (spinneret), which has many spinneret holes for the melt to pass through. Its production and processing are crucial, which is related to the production efficiency and quality of the melt-blown cloth , Which in turn affects the protective performance of the mask. There are hundreds of small holes on the spinneret of the melt-blowing machine, and the hole diameter is very small, usually 0.2-0.3mm. It takes more than ten hours just to discharge perforation, not to mention polishing these small holes.
The principle of melt blown
At present, the domestic production of melt-blown cloth production equipment has been achieved in China, but the production of core components such as spinnerets still depends on the supply of foreign manufacturers. In extraordinary times, it has become very important to provide melt-blown cloth production equipment manufacturers with a spinneret that can meet the needs of medical surgical masks and the production of other highly protective masks such as KN95 and KN99.
The diameter of the spinneret holes on the spinneret is 0.2-0.3 mm. If the protection requirements of the high-blown mask melt-blown layer are to be met, the finer the wire sprayed through the holes in the melt-blown cloth spinneret, the better. Anoyi Intelligent has made technical transformations with its own technical force to deal with the problems of poor surface roughness, low dimensional consistency, and non-round hole shape in the hole processing of ordinary EDM small hole processing machine tools, ensuring high processing. The requirements of position accuracy and high dimensional accuracy provide customers with high-quality and customizable solutions for processing spinneret holes.
The micro-hole processing machine tool is used to process the melt-blown spinneret die. Compared with the ordinary small-hole machine, the minimum processing aperture is 0.26mm, the copper tube electrode is expensive, and the supply is tight. The micro-hole processing machine tool uses ordinary copper wire with a diameter of 0.15 mm. The pore diameter can reach 0.20 mm, the electrode wire is cheap and easy to purchase, the quality of the processed micropores is high, no post-processing processes such as squeezing and grinding are required after processing, and the produced spinnerette has smooth silk output without clogging, softer fibers and melt-blown cloth protection It has higher performance and solves the high-quality processing problem of the core material of the mask melt-blown spinneret.
Posted By Leila
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TAIZHOU HUANGYAN AOXU MOULD TECHNOLOGY CO., LTD.
