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Nanjing Lesun Screw Co., Ltd.
Nanjing Lesun Screw Co., Ltd.
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UPCOMING EVENTS

Latest news

2025 09.27
Advancing Twin-Screw Extrusion Forward - Lesun Screw at K 2025
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27 Sep 2025
Advancing Twin-Screw Extrusion Forward - Lesun Screw at K 2025 Advancing Twin-Screw Extrusion Forward - Lesun Screw at K 2025
22 Jul 2025
Lesun Screw: The Reliable Partner Supporting Quality and Efficiency in Nylon Modification Lesun Screw: The Reliable Partner Supporting Quality and Efficiency in Nylon Modification
17 Jul 2025
Precision and Performance: Extruder Barrel Solutions by Lesun Screw Precision and Performance: Extruder Barrel Solutions by Lesun Screw
09 Jul 2025
Lesun Screw: High-Performance Screw Elements and OEM Components for Twin-Screw Extruders Lesun Screw: High-Performance Screw Elements and OEM Components for Twin-Screw Extruders
08 Jul 2025
Precision Screw Elements for Optimal Twin-Screw Extrusion by Lesun Screw Precision Screw Elements for Optimal Twin-Screw Extrusion by Lesun Screw
26 Jun 2025
Industry Deep Dive | Nylon Modification & High-Performance Processing Technology Seminar Industry Deep Dive | Nylon Modification & High-Performance Processing Technology Seminar
20 Jun 2025
Nanjing Lesun Screw: Precision Components for Advanced Twin-Screw Extrusion Solutions Nanjing Lesun Screw: Precision Components for Advanced Twin-Screw Extrusion Solutions
04 Apr 2022
Disassembly Sequence of Extruder Screw and Barrel
Disassembly Sequence of Extruder Screw and Barrel
When disassembling the extruder screw, special tools should be used and heavy hammer is not allowed. The specific disassembly steps are as follows:1. Disassemble the nozzle of the extruder screw and ...
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01 Apr 2022
What Are the Requirements of Extruder Screw?
What Are the Requirements of Extruder Screw?
1. The extruder screw should be made of alloy steel with small thermal deformation, wear resistance and corrosion resistance. Its common material is 38CrMoAlA alloy steel or 40Cr steel. Its repair ...
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04 Mar 2022
Measures to Strengthen the Wear and Corrosion Resistance of Screw Barrel
Measures to Strengthen the Wear and Corrosion Resistance of Screw Barrel
According to foreign data reports, one of the problems often encountered in extrusion and injection molding of plastic products is the rapid wear and corrosion of screw barrel. In many cases, the scre...
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01 Mar 2022
The Cutting Performance of the Screw Barrel is Good
The Cutting Performance of the Screw Barrel is Good
Ⅰ. The molding process of the extruder screw barrelFirst of all, it is necessary to add granular or powdered plastic into the extruder barrel, and the plastic is melted by the rotation of the ...
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26 Jan 2022
The Screw Barrel Needs Regular Cleaning to Ensure Its Functions
The Screw Barrel Needs Regular Cleaning to Ensure Its Functions
1. Working characteristics of extruder screw barrel(1) The screw speed can be achieved for stepless pressure and speed control configuration.(2) The linear guide rail injection can replace guide ...
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19 Jan 2022
Causes of Screw Barrel Problems and Treatment Methods
Causes of Screw Barrel Problems and Treatment Methods
1. Problems with the extruder screw barrel is probably caused by the following reasons:(1) A large amount of regrind is added to the plastic.(2) The screw barrel is coated with glue, and the plastic ...
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12 Jan 2022
Repair and Strengthening Process Steps of Screw
Repair and Strengthening Process Steps of Screw
The repair and strengthening process of the extruder screw is as follows:1. Surface cleaning of the extruder screwBefore spraying the screw, you should clean up the plastic attachments on the surface ...
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05 Jan 2022
What Are the Cleaning Methods for the Screw?
What Are the Cleaning Methods for the Screw?
The extruder screw can be cleaned by the normal replacement method or by using special detergent, the former method will consume a lot of resin.1. Water cleaning of the extruder screwUsing a small ...
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29 Dec 2021
Common Materials and Strength Calculation of Screw Barrel
Common Materials and Strength Calculation of Screw Barrel
I. Extruder screw material1. Requirements for materialsIt can be seen from the extrusion process that the extruder screw works under high temperature, certain corrosion, strong wear and high torque. ...
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22 Dec 2021
What is the Principle of Barrel Screw Repair?
What is the Principle of Barrel Screw Repair?
Screw and barrel are two important parts. One is a slender threaded rod, and the other is a small and long hole. Their machining and heat treatment processes are complex, and it is difficult to ensure...
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