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What are the methods to deal with burrs on silicone products?
标签:Silica gel
2021-11-19 17:26:43
2021-11-19 17:26:43
Silicone products belong to the rubber and plastics industry. If you choose an industry in some B2B websites, you can also find silicone products in the chemical industry. Generally speaking, silica gel can be divided into organic silica gel and inorganic silica gel according to its nature and composition. Extrusion of silica gel is more common. For example,silicone product manufacturer， the sealing ring on household rice cookers is called rice cooker silicone sealing ring. Molded silica gel is a bit more complicated and has irregular shapes, including silicone bowls, silicone ice trays, silicone cake molds, and so on.
Burr and appearance treatment is a process that every product needs to be treated, not limited to silicone products. The final product that everyone sees is not so perfect and completed in one place, but is manufactured through layers of processes. In the silicone product industry, the treatment of burrs is the most troublesome and the biggest shortcoming, which leads to worry about the self-dismantling of the mold making, the production of the product is worried about its edge rubber, and the product is bad.
The treatment of burrs can be divided into different methods and processes. Generally speaking, many manufacturers of silicone products use manual trimming. The main advantage of this method is to limit the self-disconnection of the product to the limit so that the product can automatically fall off the burr. As a result, you can trim it manually at the end. This method can only cope with a small number of situations.
How to clean up the burrs when facing some miscellaneous silicone parts and small accessories? There are a lot of miscellaneous pieces of silica gel and the size of the product is small. At this time, it is the best method for mechanical trimming. After the size is adjusted, the machine will automatically break through the burr position to knock down the burr, and it can be processed in large quantities. This efficiency is more Fast, but the only disadvantage is that the size of the machine is not controllable for manual cleaning, so the defect rate will be high, and the mold self-demolition is not good enough for the edge position, and manual repair is required.
For high-precision products with high-precision and good artistic appearance, it is necessary to refrigerate trimming to meet the requirements. The reason for frozen trimming is that at low temperatures, the thinnest part of the product will become brittle and automatically fall off the burrs according to the temperature. This method is not very commonly used for the burr treatment of silicone products, but usually many precision rubber parts, rubber seals, etc. are processed by the frozen trimming process.
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