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Cavitation is a common problem in injection molding
by：Vowin Rapid Prototyping
2023-02-15
The so-called cavitation refers to the fact that the material in the injection mold is solidified from the surface, and the entire volume in the mold is relatively insufficient, thus forming a hole in a vacuum state. It usually appears on the thickness of the product and the injection material. Transparent products have cavitation problems. Cavitation occasions for opaque products are unobstructed and should not be seen inside the product. Since the cavitation caused by water and volatiles generally spreads to all parts of the product, the shape of the cavitation is generally small.
1. What is the cause of cavitation in injection molded products?
1. Insufficient pressure in the injection mold
2. There is moisture and volatility in the material
3. The thickness of the injection molding product is too large and uneven
Two: What are the solutions to cavitation of injection molding products?
1. Increase the injection pressure of injection molding and prolong the holding time. Since the moisture and volatility of the plastic are separated, the plastic material must be completely dry, and the temperature of the heating cylinder can be reduced.
2. The injection port and the gate can be enlarged appropriately.
3. Eliminate excessive thickness of the product.
Three: due to different materials
1. Cavitation and other problems are prone to occur in the case of thick crystalline materials and products.
Four: Precautions
1. It is better to cool slowly after taking out the injection molded product.
stainless steel CNC turning Parts are required in the manufacture of almost every product and CNC Machining Aluminum Parts OUR SERVICE is one of the most common machines.
As manufacturers we are determined to be the very best in OUR SERVICE, regardless of the size, pedigree or inclinations of our competitors.
The team of engineers and developers at Shenzhen Vowin Model Design CO.,LTD are the best in their own way and we promise to provide timely service to our esteemed clients.
Shenzhen Vowin Model Design CO.,LTD sells rapid prototyping supplier and yet their focus on operational excellence and mastery of distributed manufacturing facilities Prototype factory has made them the dominant player in the space.
We attach a great importance to domestic market and knows the importance factors of manufacturing OUR SERVICE, such as producing methods, etc.
1. What is the cause of cavitation in injection molded products?
1. Insufficient pressure in the injection mold
2. There is moisture and volatility in the material
3. The thickness of the injection molding product is too large and uneven
Two: What are the solutions to cavitation of injection molding products?
1. Increase the injection pressure of injection molding and prolong the holding time. Since the moisture and volatility of the plastic are separated, the plastic material must be completely dry, and the temperature of the heating cylinder can be reduced.
2. The injection port and the gate can be enlarged appropriately.
3. Eliminate excessive thickness of the product.
Three: due to different materials
1. Cavitation and other problems are prone to occur in the case of thick crystalline materials and products.
Four: Precautions
1. It is better to cool slowly after taking out the injection molded product.
stainless steel CNC turning Parts are required in the manufacture of almost every product and CNC Machining Aluminum Parts OUR SERVICE is one of the most common machines.
As manufacturers we are determined to be the very best in OUR SERVICE, regardless of the size, pedigree or inclinations of our competitors.
The team of engineers and developers at Shenzhen Vowin Model Design CO.,LTD are the best in their own way and we promise to provide timely service to our esteemed clients.
Shenzhen Vowin Model Design CO.,LTD sells rapid prototyping supplier and yet their focus on operational excellence and mastery of distributed manufacturing facilities Prototype factory has made them the dominant player in the space.
We attach a great importance to domestic market and knows the importance factors of manufacturing OUR SERVICE, such as producing methods, etc.
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