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An Analysis of the Process and Technology Development of Preform Mould Blowing
Edit:Taizhou Huangyan Yige Machinery Co., Ltd.   UpDate:2019-11-20

First, the preform (embryo) is irradiated with an infrared high-temperature lamp, and the preform (embryo) body part of the preform (embryo) is heated to soften. In order to maintain the shape of the bottle mouth, the preform (embryo) mouth generally does not need to be heated. Therefore, a certain cooling device is required for the cooling operation.

If the bottle is blow-molded, this stage is to place the pre-heated preform (preform) into the already-made blow mold, inflate it with high pressure, and blow-draw the preform (preform) into the required bottle.

Technological development:

Beverage companies have two major needs for bottle blowing equipment. One is that due to the continuous rise in the price of plastic raw materials, beverage companies need to think about how to reduce packaging costs to maximize profits. They need to use advanced bottle blowing equipment to produce lighter weight. Bottles; as the mall changes with each passing day, it is necessary for beverage manufacturers to respond flexibly to the shorter and shorter life cycle of drinks. Corresponding to this is the increasingly frequent product update problem in the production of PET bottles. During the production process, Need to reduce the time to replace the mold to a low point. These two major needs pose a big problem for the supplier of blow molding equipment.

Closed loop technology refers to the process of integrating the process parameters of the line verification into the process control system of the stretch blow molding machine to form a closed, automatic control and automatic adjustment combined production cycle. Intelligent machine control technology aims to improve the quality assurance system of the blow molding machine. Through the use of the AgrPETWallplus monitoring system, various data such as bottle wall thickness are monitored.

During work, the data deviating from the system's rated value will be immediately identified, and this information will be transmitted to the control system of the preform heating unit of the blow molding machine in time. The control system will quickly reflect and independently control each heating lamp in the heating furnace. Rating. Therefore, even if the data of each bottle is different, the quality of the bottle produced by the injection mold factory is still stable and reliable under the condition that the initially set process parameters remain unchanged.