The benefits and drawbacks of plastic injection moulding

The benefits of Plastic injection moulding include rapid production speed, high efficiency, automatic operation, a wide range of design options, simple shapes with tiny sizes and accurate dimensions, easy product updates, complex shapes, and others. Additionally appropriate for large-scale manufacturing, complex-shaped items, and other moulding and injection processing industries.

Factors affecting the effectiveness of injection moulding

1. Injection pressure

The need for injection pressure arises from the need to balance the resistance in the melt flow process, or, conversely, the need to eliminate the pressure of the injection machine from the flow process in order to ensure the smooth operation of the filling environment;

2. Injection duration

An appropriate injection time promotes the melt's optimal filling, and the ear is crucial to enhancing the product's surface quality and lowering dimensional tolerance

3. Injection temperature

If the temperature is too low, the plasticization of molten materials is poor, which affects the quality of forming parts and makes processing more difficult; the injection temperature must be maintained within the range of M; The raw material is easily decomposed at high temperatures;

The benefits of the injection moulding method

1. The wall thickness distribution of the billet can be precisely controlled using an injection mold, resulting in a more uniform wall thickness in the container and preventing the phenomena of corner thinning that is common in goods made by general blow moulding . The mouth size is exact, the weight of the product can be regulated to within 0.1g, the thread accuracy can be controlled to within 100M, and the fine neck product moulding precision is good.

2, The obtained products do not require E times of processing and do not have joints, reducing the time required for dressing the items

3. The injection-molded blank may completely fill the blow moulding mold with no waste, which lowers the amount of forming material waste

4, The items can have a smooth surface, no scratches, and clear surface text and pattern

5, cost-effective small-batch production is possible

6. Numerous applications for different plastics

7, High level of automation, multiple production modes, and high output effectiveness.

Difficulties with the injection moulding technique

1. When moulding a product, two sets of molds-one each for injection and blow moulding - as well as a valve hollow core mold, are required; the injection mold must be able to endure high pressure, and the cost of the plastic injection moulding machine is considerable.

2. The injection blank takes a lot of cooling and shaping time after being blown into the injection mold, which increases the length of the product's entire moulding cycle and reduces productivity

3. The plastic injection moulding blank has high internal stress and is susceptible to uneven cooling during mold transformation. When making huge, complex-shaped items, stress cracking is a common occurrence.

4. The operators have greater operation capabilities.

Conclusion

The advantages of plastic injection moulding are numerous, including its effectiveness and excellent repeatability. However, it's all too simple to make a costly error that delays production for several weeks. A reliable manufacturing partner can be useful in this situation.

When you connect with the Best Precision tool, our team of professional molds manufacturer can help you through the entire production process and respond to any inquiries you have regarding the benefits and drawbacks of plastic injection moulding.