Category: Blog

(1) Types of polyethylene There are many types of polyethylene, and there are many ways to classify them. ① According to the different polymerization pressure in the polymerization process, polyethylene is generally divided into high-pressure polyethylene, medium-pressure polyethylene, and low-pressure polyethylene. ② According to the different molecular weight of polyethylene, it can be divided into ordinary molecular weight polyethylene, high molecular weight polyethylene (HMWHDPE), ultra-high molecular weight polyethylene (UHMWPE), and low molecular weight polyethylene (LMWPE). ③ Also, metallocene polyethylene (mPE)…

What aspects should be paid attention to when hollow blow molding industrial products and structural products? In this post, you will find out. With the continuous development of blow molding technology, the application range of hollow blow molded products is becoming wider and wider. In addition to being used as packaging containers, hollow blow-molded products are also widely used in industries such as automobiles. As industrial products and structural products, most blow-molded products have complex shapes, large surface areas, clear…

Just like we said yesterday, the heating system of the accumulator dies head is divided into three parts. The first part is the temperature controller. The second part is the contactor and the third part is the heater. Contactor maintenance is very important. Yesterday, Yankang shared with you how to maintain the temperature controller. Today, Yankang Plastic Machinery will share with you about the contactor maintenance. The working condition of the heating system contactor and motor contactors has a little difference. Because of…

Today Yankang will show you the inverter maintenance of blow molding machine. And it turns out that this method is very effective. 1.Environmental Conditions 1)Temperature. Permissible ambient temperature is -10-40. Attention: the lifetime of the inverter will be lengthened in lower environmental temperatures (ideal temperature is 20-30). 2)Humidity. Permissible ambient humidity should below 90%(No water condensation phenomenon). Attention: if the ambient temperature drops suddenly will appear water condensation phenomenon easily. At the moment if only carries on drying for parts…

The main influencing factors and control methods in the blow molding process are the focus of this article. In the blow molding process of the parison, the factors that affect the molding process of the parison mainly include the temperature of the parison, the inflation pressure, the blowing speed, the inflation ratio, and the temperature of the blow mold. (1) Parison temperature The temperature of the parison directly affects the stability of the shape of the parison, the surface finish…

This article will focus on the 5 factors affecting the quality of the extrusion blow molding parison. The parison is a semi-finished tangible plastic body used in blow molding or other processing processes, generally in a tubular form. Extrusion blow molding is first to manufacture parisons, whose quality has a great influence on the performance and appearance of products. This article will focus on the factors affecting the quality of the extrusion blow molding parison. In general, the main factors…

The heating system of the accumulator dies head is divided into three parts. The first part is the temperature controller. The second part is the contactor and the third part is the heater. Today, Yankang Plastic Machinery first shares with you about the temperature controller maintenance. In recent years, the heating system of super size blow molding machine has some changes by adopting a PLC temperature module instead of the temperature controller and adopting solid state relay instead of the…

Ongoing maintenance is essential to improving operation efficiency, output, and quality of the product. In addition, it will prolong the time intervals of machine overhaul and reduce the overall operating cost of the blow molding machine. Maintenance has been ongoing from manufacture through installation and testing. Today, Yankang Plastic Machinery will share with you how to maintain the extruder of the blow molding machine. 1) Daily maintenance Daily maintenance usually completed in the starting period. do not take the running work…

The regular maintenance of the extrusion blow molding machine is to better exert the performance of the blow molding machine and produce better plastic blow molding products. Today, the editor of Yankang wants to share with you what are the regular maintenance items for plastic blow molding machines. The maintenance of the plastic blow molding machine is divided into regular maintenance and daily maintenance. Regular maintenance is the maintenance work for the entire plastic extrusion blow molding machine equipment after…

Parting surface of the blow mold is our topic today. Generally speaking, molds are composed of two parts: movable mold and fixed mold (or male mold and female mold). (More information: design requirements of extrusion blow mold) The parting surface of the blow mold refers to the part that the two can contact when they are closed. It is also the dividing surface that divides the workpiece or mold part into mold volume blocks. The design of the parting surface…