Plastic extrusion granulator machine has four characteristics and maintenance points

In plastic extrusion molding equipment, the plastic extrusion granulator machine is usually called the main machine, and its matching follow-up equipment plastic extrusion molding machine is called the auxiliary machine. After more than 100 years of development, plastic extruders have been derived from the original single-screw twin-screw, multi-screw, and even screwless and other models.

First. The following characteristics of plastic extrusion granulator machines

1. Modularity and specialization

Plastic extrusion granulator machine modular production can be applied to the special requirements of different customers, can shorten the research and development cycle of new products, and strive to get more market share; and specialized products can be extruded into the various systems of the equipment, modular components, reasonable arrangements for fixed production, to carry out multi-party procurement, which is very useful to ensure the quality of the whole period, reduce costs and accelerate capital turnover.

2. High efficiency and versatility

The high efficiency of the plastic granulator is reflected in various aspects such as high output, low energy consumption and low manufacturing costs. In terms of function, the twin-screw plastic pelletizer has not only been applied to the extrusion of polymer materials and mixing production and processing but its application areas have also been expanded to food, feed, electronics, building materials, packaging, paper and pulp, ceramics and various fields.

3. Large-scale and precision

The large-scale plastic extrusion and granulation machine can effectively reduce production costs, which is particularly advantageous in large twin-screw plastic units, pipe extrusion units and other aspects. In China's key construction services required for major technical equipment, large-scale ethylene project supporting one of the three major equipment of large plastic extrusion granulator machine set long-term reliance on imports, so we must accelerate the localization process to meet the needs of the development of the petrochemical industry.

4. Intelligent and networked

Developed countries of the plastic pelletizing machine have been widely used modern electronic and computer control technology, the overall extrusion process parameters such as melt pressure and temperature, the body temperature of each section, the main screw and feeding screw speed, feeding volume, the ratio of various raw materials, motor current-voltage and other parameters to carry out online detection, and the use of microcomputer closed-loop control. This is very useful to ensure the stability of the process conditions and to improve the accuracy of the product.

Second, the plastic extrusion granulator machine maintenance methods

1. first of all, the plastic extrusion granulator machine should be placed in a ventilated position to ensure that the motor work heat dissipation, effectively extending its life; the machine should be kept well grounded.

2. regular maintenance check tool screws, brand new machine after 1 hour of use, with tools to tighten the dynamic knife, fixed knife screws, to strengthen the blade and knife frame between the fixed; should be regularly filled with lubricant bearings to ensure lubrication between the bearings; to ensure the sharpness of the cutter, should always check the tool to ensure its sharpness, to reduce unnecessary damage caused by the knife blade blunt lack of other components; regular maintenance check whether the belt Loose, timely tightening.

3. restart - before the second start, should clean up the remaining debris in the machine room, to reduce the start resistance. The inertia cover and pulley cover should be opened regularly to clean up the ash outlet under the flange, as the powder discharged from the crusher chamber enters the rotor bearing.

4. Replacement of parts - When replacing knives, the clearance between the moving knife and the fixed knife is 0.8MM for crushers above 20HP and 0.5MM for crushers below 20HP. The thinner the recycled material is, the larger the clearance can be.

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