Introduction of extrusion process of silicone extruder

The extrusion process of silicone extruder is also a very complex process. Let's take the production of tires by silicone extruder as an example. At a specific low temperature, in the process of making tires, the extrusion molding method used makes the silicone rubber dissolve, dissolve, and then extrude through the die mouth of the die to form the shape required by the process. This is a difficult process to operate. It not only requires the silicone extruder to be checked before operation, but also requires the operator to have rich experience. It requires the combination of technology and experience to complete this process.

In the production process of the silicone rubber extruder, it must be noted that the extruder needs to apply a certain pressure at the inlet to ensure the stability of product production. Therefore, relevant methods must be used to control the temperature. Mold temperature machine cooling is a good way to reduce the temperature. Another point is that because there is no vulcanization, the rubber after molding is relatively soft. This time, it needs to be vulcanized in the curing oven.

After the silicone products are extruded by the extruder, they are suspended in the air and pass through the pre high-temperature vulcanization oven to achieve pre vulcanization and rapid setting; Then fully vulcanized through the back oven, which solved the production and quality problems that could not be solved by the traditional silicone rubber extrusion vulcanization process; If the extruded vulcanized thin-wall tube is very round and complete, there is no deformation; Extruded vulcanized large-diameter silicone tube and thick wall tube, without any indentation on the surface; Extruding and vulcanizing various special-shaped silicone strips with complex cross-sectional shapes; The size and shape are guaranteed to be very beautiful. For all kinds of soft and hard silicone rubber with a hardness of 30 degrees to 70 degrees, it can ensure excellent extrusion vulcanization effect; The inner and outer layers of the drying channel are stainless steel; Excellent thermal insulation performance, long thermal insulation time, energy saving, neat and beautiful, and no pollution to products; Special quartz heating tube is used, with high temperature and radiation interactive utilization, short vulcanization time and high thermal efficiency; When the drying channel reaches the set temperature, it will automatically switch to constant temperature control. At this time, the heater in one zone will be automatically turned off to save electric energy; It can be used to produce silicone tube, silicone strip, profiled strip, foam tube, etc. The production vulcanization time is short, the production efficiency is high, and the output per hour is about 60-180kg; The operation is very convenient.