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PVC Single Screw Profile Extrusion Line Process and Machine Configuration

Views: 0     Author: Site Editor     Publish Time: 2026-08-03      Origin: Winsoar

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PVC single screw profile extrusion line is used to manufacture PVC decorative profiles, trim profiles, edge profiles and custom plastic profile products. This guide explains the process flow, main machine configuration, raw material points and quotation data needed before choosing a PVC profile production machine.

Direct answer: A PVC single screw profile extrusion line normally includes material feeding, single screw extruder, profile extrusion mould, vacuum calibration table, haul-off machine, cutting machine and downstream conveyor or stacker. It can be configured for PVC granules and prepared crushed PVC flakes or sheet-type materials, but feeding, drying, melt filtration and formula settings must be confirmed according to material flowability, moisture, recycled content and production stability.

Complete PVC single screw profile extrusion line process layout

Complete PVC Single Screw Profile Extrusion Line Layout

1. What Is a PVC Single Screw Profile Extrusion Line?

A PVC single screw profile extrusion line is a profile production system built around a single screw extruder. It is selected for PVC profile products where the profile structure, PVC formulation and raw material condition are suitable for single screw processing.

This type of line is different from a standard conical twin screw PVC window and door profile line. For each project, the buyer should confirm the profile drawing, formula, raw material form, output target, cutting length and workshop layout before final machine selection.

Project Point

Why It Matters

Machine Impact

Profile drawing

Defines profile width, wall thickness, section shape and tolerance.

Determines mould, calibration tooling, haul-off and cutting setup.

PVC formula

Controls plasticizing, melt stability and surface quality.

Affects screw design, temperature control and output stability.

Raw material form

PVC granules and crushed flakes behave differently in feeding and melting.

May require drying, forced feeding or melt filtration.

Finished length

Controls downstream cutting and collection workflow.

Affects cutter, conveyor, stacker and workshop space.

2. Raw Material: PVC Granules and Crushed PVC Flakes

The line can be configured for PVC granules and prepared crushed PVC flakes or sheet-type recycled materials. Recycled materials should be clean, reasonably dry and stable before extrusion. The real configuration depends on material flowability, moisture level, recycled content, particle size, formula stability and required product surface.

Practical note: If the buyer uses recycled crushed flakes, Winsoar should check whether drying, stable feeding, material screening or melt filtration is needed. A clear raw material photo and sample information help avoid unstable extrusion after installation.

Raw Material

Process Check

Possible Configuration

PVC granules

Normally easier to feed and control.

Standard feeding and temperature control may be enough.

Crushed PVC flakes

Check particle size, dust, moisture and formula consistency.

Drying, forced feeding or filtration may be required.

Sheet-type recycled material

Check whether material is clean, dry and stable.

Feeding design and pre-treatment should be confirmed before quotation.

3. PVC Single Screw Profile Extrusion Process

The production process starts from prepared raw material and ends with a fixed-length PVC profile. A stable process should match the extruder, mould, calibration, haul-off and cutter instead of selecting each machine separately.

Process Step

Main Equipment

Selection Point

Material feeding

Hopper, feeder or forced feeding system

Selected according to PVC granules or crushed flake material condition.

Plasticizing and extrusion

Single screw extruder

Matched with PVC formula, profile weight and output target.

Profile forming

PVC profile extrusion mould

Designed from profile drawing or sample.

Vacuum calibration

Vacuum calibration table

Controls profile shape, size, cooling and straightness.

Haul-off

Haul-off machine

Pulling speed must synchronize with extrusion output.

Fixed-length cutting

Cutting machine

Selected by profile section, wall thickness and required length.

4. Single Screw Extruder Configuration

The single screw extruder melts and plasticizes PVC material before it enters the profile mould. Screw design, barrel temperature zones, motor power and feeding method should be selected according to formula stability, material form and expected output.

Single screw extruder for PVC profile production machine

Single Screw Extruder for PVC Profile Production

  • Single screw extrusion for suitable PVC profile formulas.

  • Feeding configuration adjusted for granules or prepared crushed flakes.

  • Stable melt pressure before the profile extrusion mould.

5. PVC Profile Mould and Vacuum Calibration

The mould forms the required PVC profile cross-section, such as decorative profiles, edge profiles, trim profiles and custom plastic profiles. The vacuum calibration table then cools and shapes the profile so the size and straightness remain stable during continuous production.

PVC profile extrusion mould for custom profile section

PVC Profile Extrusion Mould

Vacuum calibration table for PVC single screw profile line

Vacuum Calibration Table for PVC Profile Forming

Configuration note: Mould and calibration design must follow the profile drawing. A larger extruder cannot correct poor mould design, insufficient calibration length or unstable cooling.

6. Haul-off and Cutting Machine

The haul-off machine pulls the calibrated PVC profile at a synchronized speed. Stable traction helps prevent deformation, bending or unstable profile size. The cutting machine cuts profiles to the required length, and the downstream conveyor or stacker can be arranged according to packing workflow.

Haul-off machine for PVC profile extrusion line

Haul-off Machine for PVC Profile Extrusion

Cutting machine for PVC single screw profile production

Cutting Machine for PVC Profile Production

Downstream Unit

Function

Selection Point

Haul-off machine

Pulls the profile continuously after calibration.

Traction force and speed must match output and profile shape.

Cutting machine

Cuts PVC profiles to fixed length.

Cutting method depends on wall thickness and profile section.

Conveyor or stacker

Collects profiles after cutting.

Selected by finished length, output and packing method.

7. Watch the PVC Single Screw Profile Line Video

The video shows the PVC single screw profile production machine and helps buyers review the extruder, moulding, calibration, haul-off and cutting process before confirming the quotation data. Watch the running video here: PVC Single Screw Profile Extrusion Line video.

8. Information Needed Before Quotation

To recommend a correct PVC single screw profile extrusion line, Winsoar needs project data rather than only a machine name. The most useful information includes:

  • PVC profile drawing or sample photo.

  • Profile width, thickness, section shape and weight per meter.

  • PVC formula, raw material form and recycled content.

  • Whether the material is PVC granules, crushed PVC flakes or sheet-type material.

  • Moisture condition, feeding condition and whether melt filtration is required.

  • Target output, cutting length, voltage and workshop layout.

  • Delivery country or destination port for packaging and shipment planning.

For the complete machine page, visit PVC Single Screw Profile Extrusion Line. For standard PVC window and door profile projects, compare with PVC Profile Extrusion Line. For broader equipment categories, see Plastic Profile and Board Production Line, Profile Production Line and PVC and WPC Profile Production Line.

Related extruder pages include Single Screw Extruder, Twin Screw Extruder and Conical Twin Screw Extruder. For a broader process reference, read PVC WPC profile extrusion line process and machine configuration and PVC profile extrusion line machine configuration.

FAQ

Can this PVC profile extrusion line process crushed PVC flakes?

Yes, it can be configured for prepared crushed PVC flakes or sheet-type recycled materials, but the material must be checked for flowability, moisture, dust, recycled content and formula stability. Feeding, drying and melt filtration may need adjustment.

Is this line the same as a conical twin screw PVC profile line?

No. This is a single screw PVC profile line for suitable formulas and profile structures. Standard PVC window and door profile projects may require a different extrusion configuration, so the final choice should be confirmed by product drawing and formula.

What products can be made by a PVC single screw profile extrusion line?

It can be used for PVC decorative profiles, edge profiles, trim profiles and custom plastic profile products when the material and product structure match single screw extrusion.

What information should be sent for quotation?

Please send the profile drawing or sample, product size, PVC formula, raw material form, recycled content, output target, cutting length, voltage, workshop layout and delivery destination.

Need a PVC Single Screw Profile Line Proposal?

Send Winsoar your PVC profile drawing, formula, raw material condition, target output, cutting length, voltage and workshop layout. We will recommend a suitable extrusion line configuration for your PVC profile project.

Contact Winsoar for PVC profile production machine selection

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