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Comparison of the advantages and disadvantages of silicone extrusion products and moulded products
Some customers are not very understanding of silicone extrusion products and molded products, do not know which is the most appropriate choice. The following
Read the advantages and disadvantages of one one to do the comparison.
First of all, the mold is the silicon rubber material in the closed die cavity by heating, compression and molding for the finished product of the silicone rubber processing method.
It is usually a piece of plastic powder, first made and similar shape of the finished product, placed in the mold cavity, and then closed
The mold is pressurized, so that it is formed and cured or cured, and then the product is finished. The method is particularly suitable for the molding process of the products.
Advantages of silicone molding products:
1 can be made into any shape
2 with high accuracy, the beauty of the shape of the commodity
Disadvantages of silicone molding products:
1 usually can only do length less than 600 mm
2 long production cycle, low power
3 the production process will have many edges and scrap
4 mould cost, development cycle is long.
Second, extrusion is usually based on the type of polymer and the shape of the finished product or semi-finished products, the selection of the extruder, die and
Die, as well as the design and traction, and other appropriate auxiliary equipment, and then determine the extrusion process conditions such as screw speed, die pressure,
Material temperature, as well as the setting temperature, traction speed, etc.. In the extrusion process, the material is usually through the plastic chain, but the stereotypes do
Law is different. Semi - finished products of silicone rubber, then need to be further vulcanized.
Advantages of silicone extrusion products:
1 unlimited length
2 production cycle is short, production capacity is high
3 very few waste products
4 die cheap, easy and fast development.
Shortcomings of silicone extrusion products:
1 can be made into strips
2 the accuracy is poor, some shapes are very difficult to produce.
In short, silicone extrusion products and molded products from the cost and fast, can be used in extrusion, extrusion is generally used in silicone
Tube. Usually for very precise molding parts, mold needs to be done, the price of the cost is very high.
This paper is from Shenzhen,, id=585?
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