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Preparatory steps before starting the sheet extrusion line Pre-dry the pellets of the extruded profile and further dry if necessary. Check whether the components, water, and air systems are in a standard, safe and reliable state. The parts that need lubrication should have sufficient lubricating oil. The running part should regularly fille with lubricating oil. …

Guidelines And Precautions For The Use Of Sheet Extrusion Lines Read More »

The principle of the bottle blowing machine The blowing process of the bottle blowing machine is divided into two parts. 1. Warm-up An infrared high-temperature lamp irradiates the preform to heat and soften the preform. To maintain the shape of the bottle mouth, the preform mouth does not need to be heated, so a particular …

Blow Molding Machine丨Working Principle, Process Flow and Common Problems and Solutions in the Blow Molding Process Read More »

The density, hardness, and gloss of the plastic can be reduced or increased by appropriate methods to reduce or increase the plastic’s initial relative density, increase the hardness or increase the flexibility, and change the gloss to meet the needs of different applications. 1. How to reduce the density of plastic? Reducing plastic density refers …

The Primary Method Of Adjusting The Density, Hardness, And Gloss Of PE, PP, PVC Products Read More »

The extruder is an essential piece of equipment for plastic molding processing and pelletizing. The extruder’s everyday use can give full play to the machine’s efficiency and maintain an excellent working condition. It must carefully keep unremittingly to extend the service life of the appliance. The extruder’s primary failure is abnormal noise and abnormal vibration …

Analysis And Solution Of Common Failures Of Plastic Extruder Read More »

During the pipe extrusion process, gas needs to vent from the melt. If these gases cannot discharge in time, defects such as pores, bubbles, and surface dullness may appear on the surface or inside the pipe products, seriously affecting the physical and mechanical properties, chemical properties, and electrical properties pipe. There are 1 to 2 …

Analysis of the Causes of Material Pouring in the Pipe Extruder Read More »

A spinning machine is a machine that makes a fiber-forming polymer solution or melts from filaments. According to different fiber spinning methods, spinning machines are divided into three types: wet spinning machine, melt spinning machine, and dry spinning machine. Wet spinning machine Suitable for spinning viscose fiber, acrylic fiber, nylon, etc. The main feature is …

What Are The Types Of Spinning Machines? What Is Its Main Function? Read More »

In the plastic pipe production line, the operator’s unskilled technology and the machine operation will cause the plastic pipe to appear rough on the outer surface, jitter ring inside, uneven wall thickness, insufficient roundness and so on. Therefore, timely adjustment of plastic pipes’ production process and troubleshooting of the plastic pipe production line can improve …

Common Problems And Solutions In The Process Of PE Pipe Extrusion Read More »

PE breathable membrane is a new type of waterproof polymer material. From the manufacturing process, the technical requirements are much higher than those of general waterproof materials. Simultaneously, from the quality point of view, the breathable membrane also has the functionality that other waterproof materials do not have features. PE breathable film is a new …

Structure Characteristics And Process Flow Of PE Breathable Membrane Read More »