Tag Archives: screw barrel engineering work

How to Setting and Alignment Twin Screw Barrel ( Parallel and Conical)?

Here explains how do setting up and alignment twin screw barrel on the twin screw extruder equipment. HUACHEN tells key point to operate. Continue reading

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What is Bimetallic Screw Barrel?

Discusses alloy or bimetallic treatment screw barrel. HUACHEN help you to select right bimetallic treatment. And how it can be applied. Continue reading

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Clearance Between Conical Screw Barrel Affects PVC Profiles Quality

It says that good PVC profile quality also requires attention to clearance between screw and barrel. Four working clearances and principles. Continue reading

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Is Your Plastic Product Requiring Nitrided Or Bimetallic Screw?

This article discusses nitrided steel screws, bimetallic screws, and screw treatment methods. Difference between nitrided and bimetallic screws Continue reading

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How To Solve PVC Pipe Surface Black Lines Problem?

PVC pipe profile with black lines clouding on surfaces is correlated with conical twin screws. HUACHEN discusses the causes and solutions Continue reading

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How To Solve Black Lines On Rigid And Semi Rigid UPVC Products

HUACHEN has found some solutions to UPVC product black lines in production and installation of rigid PVC screws… Continue reading

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What Makes Your PVC Profiles So Brittle?

In this article, we introduce reasons rigid PVC profiles brittle and give solutions from fillers, formulations, stabilisers, lubes… Continue reading

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PVC Profiles With Bubbles, Cracks, And Pockmarks: How To Fix Them?

Introduce PVC profiles with bubbles, cracks, and pockmarks problems. Main reasons, provide effective solutions, extruder barrel venting port Continue reading

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Screw Barrel For PVC Processing: FAQ and Solutions

Tell common problems with conical twin screw design high filling calcium powder use in PVC product processing. solution to extend screw life Continue reading

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