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About silicone pad for pad printer machine

something about pad printing silicone rubber

Silicone pad for pad printer machine

  1. The reason why the Silicone pad is not durable.
      ① There is no problem with pad printing silica itself. The problem is that the silica gel is not filtered well and contains impurities; or during the packaging process, the barrel or plastic bag is not cleaned during manual packaging, which makes the pad printing silica gel head not durable.
      ②It has a lot to do with the amount of silicone oil added in the silicone. The more silicone oil is added, the softer the hardness of the rubber head will be, because silicone oil will damage the weight of the silicone, resulting in insufficiency and easy aging.
      ③Silicone application manufacturers do not understand the properties of silica gel. The service life of pad printing silica gel is closely related to the size of the pattern to be printed. Many factory supervisors are afraid of trouble and are unwilling to change the plastic head according to the size of the pattern. If you are printing a large pattern, you must use a larger plastic head. If the pattern is small, you can use a small plastic head (adjust the size of the plastic head reasonably according to the size of the pattern, and the ratio of the size of the plastic head to the pattern is 3: 1).
  2. Why is the pattern not clear and incomplete during the printing process of the pad printing silicone head?
      ①When the plastic head is too hard, the printed pattern will appear incomplete, because the pattern is large and small, and the plastic head is too hard. The plastic head itself does not absorb the pattern ink on the steel plate on the plastic head, so the pattern printing will not be complete. If your pattern is small, you must use a soft plastic head to print, so that the problem can be solved.
      ②If the water content in the ink is too high, the printed pattern will be incomplete and spots will appear. It is recommended to clean the oil cup and replace with new ink or thinner.
  3. Why is the pad printing silicone not oiled?
    Any plastic head or glue should be oiled. If the customer prints large patterns and the characters are thick, they can definitely be oiled. What is not oiled is that the English letters are small. The reason is that the plastic head itself is too hard and the steel plate is not used. The ink underneath is adsorbed on the plastic head, so it is thought that it is not oiled.
  4. Why does the pad printing silicone head not drop oil?
    Plastic toys or products that have not been sprayed with paint. Two of the ten products have incomplete patterns during the pad printing process, that is, they do not fall off. This is a normal phenomenon. Because the injection molding machine is in the process of producing toys, it sprays release agent on the surface of the steel mold every time a dozen products are produced. There is a lot of release agent on the surface of the first or second product of the mold that has just been sprayed. , If this product has not been cleaned by thinner water or facial cleanser, it will happen if it is directly used for pad printing.
  5. Why should silicone oil be added to pad printing silica gel?
    Because the pad printing silica gel is in the process of making the rubber head, when the customer transfers the printing product, the size of the pattern and the hardness of the rubber head are often changed. The purpose of the silicone oil and the silicone oil is to release the viscosity of the silicone. And to change the hardness of the rubber head.

How to make silicone pad?

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