VENTED SCREW BARREL

Vishwakarma Plast is a trusted Vented Screw & Barrel Manufacturer and Supplier in Ahmedabad, Gujarat, India, specializing in precision-engineered screw and barrel solutions for plastic extrusion and polymer processing applications. We manufacture Vented Screw & Barrel Sets designed to help remove moisture, trapped air, and volatile gases from processing polymers during extrusion.

We supply Vented Screw & Barrel Sets across India and export our products to customers in global markets. Our vented screw barrel solutions can be customized according to the machine, polymer material, production process, and specific processing requirements.

Vented Screw & Barrel Set

A Vented Screw & Barrel Set is specially designed with a venting section in the barrel to facilitate the removal of moisture, air, and volatile components generated during polymer processing. The screw generally incorporates a two-stage screw design, with each stage developed to perform specific functions during the extrusion process.

The venting section allows unwanted gases and moisture to escape from the polymer melt before the material reaches the final metering and extrusion stage. This can help improve material processing consistency and reduce defects associated with trapped moisture and volatile gases.

The position of the vent in the barrel is an important part of the design, but equally important is the proper design and coordination of both screw stages. Vishwakarma Plast develops vented screw and barrel solutions according to the customer’s material, machine, processing conditions, and application requirements.

Two-Stage Vented Screw Design

The performance of a vented screw barrel depends significantly on the correct design of its two processing stages. The first stage is designed to convey, melt, and prepare the polymer, while the second stage provides controlled conveying and metering after the venting process.

Proper coordination between the screw stages and vent location helps maintain stable processing and supports effective removal of unwanted moisture and volatile gases.

At Vishwakarma Plast, we understand that vent location, screw design, material characteristics, and processing requirements must work together to achieve reliable extrusion performance. Therefore, we manufacture customized vented screw and barrel sets based on the customer’s application.

Benefits of Vented Screw & Barrel

A properly designed Vented Screw & Barrel Set can provide several benefits during polymer extrusion, including:

  • Helps remove moisture from processing polymers
  • Facilitates the removal of volatile gases
  • Helps reduce bubbles and voids in extruded products
  • Supports improved product surface quality
  • Helps reduce processing-related defects
  • Supports consistent polymer processing
  • Helps minimize issues related to trapped air and moisture
  • Suitable for different plastic extrusion applications
  • Customized two-stage screw design according to application requirements

Vented Screw Barrel for Plastic Extrusion

During the extrusion of certain plastics, moisture and volatile components can create processing problems and affect the quality of the finished product. A Vented Screw Barrel provides a dedicated venting section that allows these unwanted components to escape during processing.

This makes vented screw and barrel systems particularly useful for applications where moisture removal and volatile-gas control are important for achieving consistent extrusion quality.

Our Serving Applications

Vishwakarma Plast proudly serves a wide range of Applications with high-performance screw barrel solutions designed for durability, precision, and efficiency.

INJECTION APPLICATIONS

AUTOMOTIVE PRODUCTS

ELECTRONICS & ELECTRICAL PRODUCTS

HOUSEHOLD PRODUCTS

FURNITURE PRODUCTS

COSMETIC PRODUCTS

INDUSTRIAL PRODUCTS

COLLAPSIBLE TUBE PLANTS

SPORTING GOODS

Our Serving Applications

Vishwakarma Plast proudly serves a wide range of Applications with high-performance screw barrel solutions designed for durability, precision, and efficiency.

INJECTION APPLICATIONS

AUTOMOTIVE PRODUCTS

ELECTRONICS & ELECTRICAL PRODUCTS

HOUSEHOLD PRODUCTS

FURNITURE PRODUCTS

COSMETIC PRODUCTS

INDUSTRIAL PRODUCTS

COLLAPSIBLE TUBE PLANTS

SPORTING GOODS

EXTRUSION APPLICATIONS

MONO & MULTILAYER BLOWN FILM

SUTLI PLANT

SHEETS & PROFILE PLANT

BOX STRAPPING PLANT

MONO/MULTI FILAMENT YARN

PVC PIPE PLANT

HDPE PIPE PLANT

THERMOFORMING PLANT

RUBBER COLD/HOT FEED PLANT

CABLE PLANT

COMPOUNDING PLANT

MASTERBATCH PLANT

RAFFIA WOVEN SACKS PLANT

RECYCLING PLANT

PENCIL PLANT

FOOD PROCESSING PLANT

BLOW MOULDING APPLICATIONS

CONTAINER

BOTTLE PLANT

DRUM PLANT

TANK PLANT

TECHNICAL SPECIFICATIONS

Screw & Barrel Size Range

Screw Diameter: 18 mm to 300 mm
Length: Up to 5000 mm

Base Materials

EN41B , D2, M2, H13, 17.4PH, AISI 4340, AISI 4140

Surface Treatments

• Gas Nitriding
• Ion Nitriding
• Vacuum Hardening
• Chrome Plating
• Through Hardening
• Bimetallic Alloy Coating

Nitriding Specifications

Nitriding Layer Depth: 0.4 to 0.5 mm
Nitriding Surface Hardness: 62 to 65 HRC

Bimetallic Coating Specifications

Coating Layer Thickness: 1.5 to 2 mm
Coating Hardness: 65 to 68 HRC

Bimetallic Alloy Materials

• Bimetallic Alloy Materials
• WC (Tungsten Carbide)
• Ni (Nickel)
• B (Boron)
• Cr (Chromium)

FEATURES OF INJECTION SCREW BARREL SET

WHY CHOOSE VISHWAKARMA PLAST?

Advanced Manufacturing Facility

Experienced Engineering Team

Premium Quality Raw Materials

Strict Quality Control Process

Customized Screw Barrel Solutions

Competitive Pricing

Timely Delivery Across India

Exporting to worldwide markets

Office Location

B-21, Akshardham Industrial Estate,
Near Ramol Over Bridge, Opp. Panchratna Industrial Estate,Vatva, Ahmedabad - 382445, Gujarat, India

Call Us Now

+91-72020-74499
+91-99785-26038
+91-97241-52020

Email Address

Info@vishwakarmaplast.com
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