Cases - Nanjing Zhitian Mechanical And Electrical Co., Ltd.

Case Study: 95 Twin Screw Extruder with Cobalt-Based Tungsten Carbide Barrel Sleeve

Introduction In high-performance extrusion applications, the barrel sleeve plays a decisive role in ensuring stability, durability, and efficiency. Recently, ZHITIAN successfully delivered a cobalt-based tungsten carbide (Co-WC) barrel sleeve for a 95 twin screw extruder, adopting advanced Cold ...

How to Repair a Damaged End Face of a 177 Twin Screw Extruder Barrel? A Full Workflow and Inspection Guide

Case Background: How to Deal with Extruder Barrel End Surface Damage? A customer recently commissioned ZHITIAN to repair a 177 twin screw extruder barrel with end surface damage due to operational mishandling. The goal was to restore dimensional accuracy and sealing performance without replacing the ...

ZSK250 Twin-Screw Extruder Barrel and Screw Elements – Nitrided Steel, Fully Compatible with OEM

For high-performance twin-screw extrusion systems, the barrel and screw elements are critical components that directly affect process stability, throughput, and product quality. In this case, we provided a customized solution for a European client requiring replacement parts for a ZSK250 twin-screw ...

ZSK320 laser cladding twin screw extruder barrel

ZSK320 Barrel Upgrade: Laser-Clad Nickel-Tungsten Carbide Boosts Wear Resistance by 6x at Minimal Cost The ZSK320 extruder barrel, constructed from 45# carbon steel, features a 1-2mm laser-clad nickel-tungsten carbide (Ni-WC) coating on its inner walls, replacing traditional nitrided steel ...

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Case Study: 95 Twin Screw Extruder with Cobalt-Based Tungsten Carbide Barrel Sleeve

How to Repair a Damaged End Face of a 177 Twin Screw Extruder Barrel? A Full Workflow and Inspection Guide

ZSK250 Twin-Screw Extruder Barrel and Screw Elements – Nitrided Steel, Fully Compatible with OEM

ZSK320 laser cladding twin screw extruder barrel

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