Second, do not blindly follow up and pay attention to fieldwork. Before deciding to do this, we must carefully observe and analyze it.
According to the market conditions of recycled materials in the current year, in the examination stage, the process is simple in appearance, the equipment investment is small, the product is basically in short supply, and the content of technical requirements is not high. Most people can do well. At the same time, raw materials are the most familiar things around us. It can be bought anywhere, everywhere. A cursory calculation, such as how much waste can be received, how many dollars the product can be sold, to be absolutely profitable. So many people bought the equipment and launched it. Most of the friends just started to do it, mainly chemical fiber bags (PP woven bags) granulation, greenhouse film granulation, plastic bottles broken materials and so on.
Third, followed by equipment usage and processing technology
1. The equipment performance is not familiar with, there are too many problems in the process of use, such as poor temperature control (low-cost equipment does not have automatic temperature control system, all rely on experience), the product can not meet the expected requirements, the color is not good, drawing off Severe, low yield, often blocking the filter, uneven granulation, severe adhesions.
2. Unclear sorting of raw materials, incomplete cleaning, many impurities, severe broken bars, and bad color. The same raw materials, the same approach, the product is not as good as others, the price difference is very far.
3, raw material procurement issues, usually everywhere recycled plastic, when you form a batch production, the raw material can not guarantee the supply of raw materials, procurement of impurities too much, even to meet the people who pit you, buy home is a package of water, package stone.
4, sales issues: I do not know who to sell products, I do not know what the price, or even that you are expected to have such problems, and after just beginning production, it is impossible to form a batch production, small amount is not easy to sell, because the customer wants to feed generally enough Only when a car is ready for loading, 2T-3T is not easy to sell, but it is too dare to produce, fearing a backlog.
continue ink jet printer(CIJ)
Under the pressure of the ink supply pump, the ink passes through the ink pipeline from the ink tank, adjusts the pressure, viscosity and enters the spray gun. With the continuous pressure, the ink sprays out from the nozzle. When the ink passes through the nozzle, it is broken into a series of continuous, equal spacing and the same size ink droplets by the action of piezoelectric crystal, and the ink flow is sprayed. Continue to move downward and charge through the charging electrode. In the charging electrode, the ink droplets are separated from the ink line. When the ink droplet is separated from the conductive ink wire, it will instantly carry a negative charge proportional to the voltage applied by the charging electrode. By changing the voltage frequency of the charging electrode to make it the same as the breaking frequency of ink droplets, each ink droplet can be charged with a predetermined negative charge. Under the continuous pressure, the ink flow continues to move downward, passing through the middle of two deflection plates with positive and negative voltage respectively. When the charged ink droplets pass through the deflection plate, they will deflect. The degree of deflection depends on the amount of charge charged. The non-charged ink droplets do not deflect. They fly downward and flow into the recovery pipe. Finally, they return to the ink box for recycling through the recovery pipe. The charged and deflected ink droplets fall at a certain speed and angle on the object passing in front of the vertical nozzle.
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