PTFE, PFA, FEP, PVDF Fluoroplastic products industry experts
Why 3D printers cannot be separated from Teflon tubes
Classification:
Industry dynamics
Author:
Teflon tube little sister
Source:
Teflon tube little sister
Release time:
2008-04-19
Visits:
With the rapid development of the times, 3D printer is a kind of rapid prototyping technology, also known as additive manufacturing, which is now setting off a revolution in the manufacturing industry, attracting all kinds of permanent cure.
Figure 1: 3D printer Source: Network
Although the failure rate of 3D printers is low, once a failure occurs, it will not only affect the printing quality, but also waste time printing materials and even damage the machine. At present, some 3D printing novices do not know what to do when they encounter nozzle blockage and no silk. 3D printers have a historic legacy of headaches, easy to plug! Many people guess that the temperature of the throat pipe is too high, because it is manufactured by adding materials, many raw materials need to be transported in the melting state of the printer head, and the transportation pipe must meet the space requirements of the printer, so now many manufacturers switch to the throat pipe with built-in Teflon. The thermal conductivity of Teflon and stainless steel is low, which can effectively reduce the temperature of the throat pipe. With Teflon throat pipe, the plug failure rate is significantly reduced, in this way, Teflon tubes have become the best choice for 3D printers. Here, Shenzhen Dankai fluorine plastic products, as the source manufacturer, will explain to you why 3D printers cannot be separated from Teflon tubes.
In 2015, the famous 3D printer manufacturer Airwolf released its first civilian-grade 3D printer. Among them, many key components use Teflon tubes. Since engineering-grade materials require high sustained temperatures, the demands on the components are high. Therefore, the 3D printer uses a Teflon tube as a feeder tube, and adds an isolated intermediate layer between the Teflon tube and the heater. In 3D printers, Teflon tubes are also widely used in the lining of extruder head tubes, mainly because:
1. Teflon will not bond with molten plastic;
2. High temperature resistance. Can be in the working temperature of 260 ℃ for a long time;
3, the friction coefficient is small, the fluidity of raw materials is good, and so on.
Why did the 3D printer choose Teflon tube? This has a great relationship with the excellent performance of Teflon tube. Teflon tube production Teflon tube little sister briefly introduces its performance:
Figure 2: Teflon tube Source: Teflon tube little sister
1. Non-stick: Teflon is inert, almost all substances are not bonded to Teflon, and very thin films also show non-adhesive properties.
2. Cold and heat resistance: Teflon has excellent heat resistance and low temperature resistance. Short time temperature resistance to 300 ℃, melting point of 327 ℃,380 ℃ does not melt, the general work can be used continuously between 240 ℃ ~ 260 ℃, with significant thermal stability, it can work at freezing temperature without embrittlement, cold resistance to 190 ℃.
3, lubricity: Teflon has a lower coefficient of friction. The friction coefficient changes when the load slides, but the value is only between 0.04 and 0.15.
4. Non-hygroscopicity: Teflon surface is not stained with water and oil, and it is not easy to be stained with solution during production operation. If there is a small amount of dirt, it can be removed by simple wiping. Short downtime saves man-hours and improves productivity.
5, corrosion resistance: Teflon is almost not subject to chemical erosion, can withstand in addition to molten alkali metal, fluoride medium and above 300 ℃ sodium hydroxide outside all strong acid (including aqua regia), strong alkali, strong oxidant, reducing agent and a variety of organic solvents, can protect parts from any kind of chemical corrosion.
6. Weather resistance: no aging, better non-aging life in plastics.
7, non-toxic: 260 ℃ within the normal environment, with physiological inertia, non-toxic can be used for medicine and food equipment.
8, insulation: very good dielectric constant, high insulation.
Teflon tube personalized needs can always contact Teflon tube sister, due to the excellent performance of Teflon, the current use is very wide, can be used for pipeline corrosion, high and low temperature resistance, corrosion resistance. Lubrication and other engineering, electronics, electrical appliances, aerospace, medical and other harsh environments.
Shenzhen dankai technology co.,ltd (ShenZhen dankai Technology co.,ltd), whose predecessor was dongguan dandi insulation material co.,ltd. fluorine plastic material factory established in 1998, is an intelligent manufacturing enterprise specializing in the research and development, production, sales and service of FEP, PFA, PTFE and other fluorine plastic tube rod sheet membrane products and other insulation materials. The company has international standards of senior R & D team and the introduction of foreign fluorine plastic products production line. Some fluoroplastic products through ISO9001, SGS, FDA certification, Huawei, Foxconn, the United States, ZTE, Intel, AirTAC and other domestic and foreign cooperation customers fully affirmed. The company's main products are: ① pipes: Ptfe PTFE pipes, Fep pipes, Pfa pipes, Pvdf pipes; ② Heat shrinkable tubes: Ptfe heat shrinkable tubes, Fep heat shrinkable tubes, Pfa heat shrinkable tubes, Pvdf heat shrinkable tubes; ③ Plate and rod films: Ptfe plate and rod films, Feep plate and rod films, PE ⑤, Pvdf plate and rod films, etc, spiral tube, spring tube, rotary cutting tube, welding rod, tee, straight, gasket, joint, cone rod, flared tube, sealing tube, braided tube, corrugated tube, etc. At the same time can be customized according to customer requirements processing production of various specifications of fluorine plastic products.
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