extruder<\/a> has also been refined and standardized to meet the requirements of different plastic products. Modular production can adapt to the special requirements of different users, shorten the research and development cycle of new products, and strive for greater market share. Specialized production can arrange fixed-point production and even global procurement for each system module component of extrusion molding equipment. It is very beneficial to ensure the quality of the entire period, reduce costs, and accelerate the turnover of funds.
\n3. Intelligent and networked
\nExtruders in developed countries have generally adopted modern electronic and computer control technologies. Process parameters such as melt pressure and temperature, various body temperatures, main and feed screw speeds, and feed rates for the entire extrusion process The ratio of the raw materials, the current and voltage of the motor and other parameters are detected online, and the closed-loop control of the microcomputer is adopted. Some companies have adopted online remote monitoring, diagnosis, and control to perform network control of extrusion molding lines. This is extremely advantageous for ensuring the stability of the process conditions and improving the accuracy of the product.
\n4. Customization
\nIn order to adapt to the requirements of new materials and new processes, new or special extruders continue to emerge. Such as three-screw extruder and planetary multi-screw, screwless extruder, reactive extruder, two-color extruder, foaming extruder.<\/p>\n","protected":false},"excerpt":{"rendered":"1. Extruder develops in the direction of large scale, high speed, and high efficiency Extruders with a screw diameter of 200-250mm are common abroad, and special extruders with a screw diameter of more than 400mm are not uncommon. Increasing the screw diameter can increase the productivity of the extruder. When the screw diameter is doubled, the production capacity of the extruder can be increased several times. In foreign countries, high-speed and ultra-high-speed extruders with a rotational speed of 300r\/min or more are used, which greatly increase the production capacity of the extruder. However, problems such as poor plasticization are caused by the increase in rotational speed, and many new types of screws have emerged, such as separation type, mixing type, barrier type, flow distribution type, and combination type. The aspect ratio of the screw also progresses from 20:1 to 36:1, and some as high as 43:1. 2. Modular The ancillary equipment of the extruder has also been refined and standardized to meet the requirements of different plastic products. Modular production can adapt to the special requirements of different users, shorten the research and development cycle of new products, and strive for greater market share. Specialized production can arrange fixed-point production… <\/p>\n","protected":false},"author":1,"featured_media":820,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-835","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-extrusion-blog"],"acf":[],"yoast_head":"\n
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<\/p>\n