• How to measure screw and barrel wear

    Every plastics processor should include routine inspections of plasticized components in their maintenance plan. The use of worn-out components can cause many problems, including reduced throughput, increased energy use, and even equipment damage. Th...

  • What is the working principle of a twin screw extruder

    The extruder is an important piece of equipment for plastic processing, and it cannot do without threaded elements in use. Let us understand the principle of the twin-screw extruder and the classification of threaded components. The principle of twin...

  • What are the classification and types of screws

    Usually the screw can be divided into ordinary type, gradual type, mutation type, mixing type, separation type, split type and various barrier type, pin type, DIS open split type and exhaust type, etc.; the number of screw heads can be single. Or bec...

  • Analysis and troubleshooting of screw failure of injection machine

    Failure analysis and troubleshooting of screw not advancing in position during injection (1) The injection pressure is too low, the injection pressure should be increased appropriately; (2) The amount of feed is too much, so the amount of feed should...

  • Causes of problems with screw barrels and some treatment methods

    There are probably several reasons: 1. Too much regrind is added to the plastic. 2. The screw and barrel are covered with glue-the plastic wraps the screw and rotates together. 3. The screw and the barrel are worn out, or the abrasion of the rubber r...

  • Common faults and solutions for extruders

    There are about eleven common faults in the extruder. The following describes these eleven faults and troubleshooting methods in detail: 1. The temperature rise of the main motor bearing is too high:   1. Reason:    (1) The bearing is poorly lubricat...

  • What is the screw machine used for What is the role of the screw machine

    1. The screw compressor is composed of a pair of parallel and intermeshing female and male screws. It is the most widely used type of rotary compressor. There are two types of single-screw and twin-screw. Generally speaking, the screw compressor refe...

  • What is a double alloy barrel?

    The bi-alloy material tube is made of a composite of two alloy materials. The barrel body is formed by machining and heat treatment of steel-based alloy; the inner wall alloy layer is made of nickel-based, iron-based, and cobalt-based alloys under pr...