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Tarpaulins are already an integral part of our lives today. Whether it's traditional advertising banners on buildings or various activities, tents, covers, truck tarpaulins, building components or awnings: these products can be welded using Zhengzhou Liudu equipment.
Features of tarpaulin:
1, there are many varieties of tarpaulin, first of all, talk about pure cotton canvas tarpaulin, it is a kind of pure cotton fabric.
Its characteristics: good waterproof performance, good breathability, strong tensile force, the service life is generally about 5 to 10 years. Mainly used for grain. Tobacco canopy cover. Disadvantages, poor corrosion resistance.
2. PVC coating plastic cloth:
(1): Waterproof
(2): Anti-corrosion
(3): Fire prevention is also called "three anti-cloth". Mainly used in automobiles. envio. Comboio. porta. oil field. Draft pipe, etc. The price is lower than pure cotton tarpaulin, which has good waterproofness, corrosion resistance and good flame retardant performance. Disadvantages, strength difference (relative).
3, PE tarpaulin: also known as plastic tarpaulin: it is lighter than other tarpaulins, low price, good waterproof performance. Disadvantages, poor strength, short service life.
4, silicone tarpaulin: good silicone cloth, with the advantages of the above several tarpaulins (waterproof. strong. Breathable. anti-corrosion).
The price is moderate, the weight is about 500 grams per square meter, and the application is widespread.
Tarpaulin welding is generally divided into two methods, one is a High Frequency Plastic Welding Machine, and the other is a hot air welding machine.
High Frequency Welding Machine
1. The use of vacuum electron tube, the output power is stable and reliable.
2. Highly sensitive spark overcurrent protection circuit. It can effectively cut off the main engine damaged by the high current output and suppress the spark.
3. It is equipped with a high frequency stabilizer and a high frequency shielding device to reduce the high frequency interference.
4. Stepless adjustment of the head stroke, special mechanical pedal mechanism pressure up to 400KGS.
5. According to the processing needs, the pneumatic pressurization method can be selected to reduce the working intensity and improve the quality of the voltage products.
6. Stepless temperature regulation heating system, so that the work efficiency is higher.
7. Four-corner horizontal adjustment, simple and time-saving mold adjustment.
8. High Frequency Pvc Fabric Welding Machine Automatic overcurrent protection system, increase the service life of vacuum tube, protect the mold.
9.4kw40.68MHz。 5—12kw27.12MHz international standard industrial band.