1. Look at the production process.High-quality screws need to go through multiple heat treatment processes, such as: quenching and tempering, tempering, qualitative, nitriding, etc., in order to meet the requirements of the screw. 2. Look at the R&D capabilities of the manufacturer. Companies wi... Read More
Today, let’s talk about parallel twin screws and how to choose parallel twin screws. Next, let’s take a look down with the editor and let’s understand. The spiral surface of the parallel twin screw is usually spray-welded with a unique formula of double alloy, which can effectively extend the servic... Read More
Repair of the barrel The inner surface of the barrel is harder than the screw, and its damage comes later than the screw. The scrap of the barrel is the increase in the inner diameter due to time wear. Its repair method is as follows: 1. For the barrel with increased diameter due to wear, if there i... Read More
The combined working quality of the two parts of screw and barrel has an important influence on the plasticization of materials, the quality of products and the production efficiency. Their work quality is related to the manufacturing accuracy and assembly clearance of the two parts. When the two pa... Read More
1. Check out the debris in the plastic guess. Generally speaking, there is no debris in the fresh plastic purchased originally, but through transportation, weighing, drying, color mixing, especially the addition of recycled materials, it may be mixed with debris. It is as small as metal scraps, as l... Read More