What processes are required for the production of plastic water cups?

Plastic water cups are a kind of light and convenient drinking utensils. They are favored by more and more people because of their rich colors and various shapes. The following are the key processes in the production of plastic water cups.

plastic bottle

Step one: raw material preparation

The main raw material of plastic water cups is polypropylene, and auxiliary materials such as antioxidants and stabilizers need to be added. First, these raw materials need to be purchased, inspected and quality controlled to ensure that they meet production requirements.

Step Two: Injection Molding

The pre-heated polypropylene pellets are put into the injection molding machine and injected into the mold under high pressure to form. This process requires high-precision injection molding equipment and automated production lines to ensure product consistency and quality stability.

Step 3: Cooling and demoulding

After injection molding, the plastic water cup needs to be cooled and demoulded so that it can be solidified and separated from the mold. This process requires water or air cooling and the use of specialized demoulding tools to separate the products.

Step Four: Drilling and Processing

Punch holes in the bottom of the plastic water cup to make it easier to pour the drink in and out. Afterwards, the product needs to be processed, such as deburring, size adjustment, etc.

Step Five: Quality Inspection and Packaging

Conduct quality inspection on the produced plastic water cups, including inspection and testing of appearance, texture, durability and other indicators. After passing the qualification, the products are packaged for easy sales and transportation.

To sum up, the production process of plastic water cups is a relatively simple process that requires strict control. It requires the use of high-precision injection molding equipment and automated production lines to ensure the high quality and market competitiveness of the product. At the same time, attention should be paid to environmental protection and health factors during the production process to meet consumers’ requirements for safety and environmental protection. Especially when using plastic cups, you need to be careful not to over-temperature or heat them to prevent them from releasing harmful substances.


Post time: Dec-13-2023