Reiloy Screws

Reiloy Screws

Master production challenges with ease.

Screws that suit the application and withstand even the most wear-intensive plastics for a long time.

1.
Arrange a consultation

2.
You obtain a screw that suits your requirements.

3.
Master production challenges with ease.

Arrange a consultation

Screws should match your goals

Are you unsure which screw you need to order to:

  • prolong the life of your plasticizing unit?
  • achieve the quality that exceeds customer expectations?
  • process a new wear-resistant raw material?

Something to look forward to

Highlights of your Reiloy screw

Best wear protection

To ensure you get the best wear protection, we produce our hard alloys inhouse. We work closely together with machine and raw material manufacturers, and with universities.

Top product quality

We optimize the design of plasticizing units, select the most suitable materials pairings, and support you to obtain the best economic efficiency and functionality for your new design.

Maximum productivity

  • Screw geometries matched to the application
  • Perfect cylinder/screw combinations
  • Long maintenance intervals

Large sizes

We manufacture screws to lengths up to 9 meters.

ReiMix-HS

A mixing effect improved by up to a factor of 3 compared to a spiral shear section: With the optional mixing element ReiMix-HS you can perfect the quality of your melt.

Our expertise

We turn your requirements into a screw

We have over 50 years of experience in manufacturing screws that combine geometry, wear protection, and the right material pairing. Over this time we have assisted countless extrusion and injection-molding machine manufacturers and producers to reach their production targets. We are pleased to advise you and we may even surprise you with an unexpected and interesting price/performance ratio.

Suitable
alloys

Based on inhouse development and production

Alloys

Maximum wear protection

Using a specially developed armoring process

Screws

High-quality finish machining

With our state-of-the-art machining centers

Benefits

Together with our cooperation partners, we develop wear protection according to the latest technological findings.

Reiloy screws compact

Key data at a glance

Design: Ready for installation according to your drawing or Reiloy geometry design
Screw diameter: 40 – 300 mm
Length: max. 9,000 mm
Surface treatment: plasma-nitrided, gas-nitrided, hard chrome-plated or PVD-coated
Select a screw Select alloy
Geometries and possible combinations
  • 3-zone screws
  • multi-start augers
  • Barrier screws
  • Degassing screws
  • Twin screws
Service
Technical Support : Process Engineering Support
Components
Design consulting and optimization

You need know-how about your extrusion process? Take advantage of our design consulting and optimization for screws and barrels - for all brands and applications.

Learn more

After Sales Service : Maintenance
Components
Screw and barrel cleaning

Screws and barrels have to withstand extreme loads in the extrusion process every day.

Reiloy Screws Portfolio

From Smart to Premium

Your Options

Your requirements for the service life and cost-effectiveness of your plasticizing unit are what determines which screw is the right one for you. We guide you step by step to the best solution in a consultation.

Smart

Advanced

Premium

For use in standard applications.

The ideal solution for all applications that place no special demands on wear protection.

For longer
service life.

For higher wear protection requirements: Our Advanced Solutions are the perfect equipment for almost all production requirements.

For maximum performance and service life.

For all those who expect and need something more: Our premium solutions are best suited when specially wear-intensive raw materials are used.

What would you like to produce?

Choose the right screw

Smart
Smart

For standard applications

Screws with high surface hardness

technical data
Screw < Ø 50 34CrAlNi7-10 (1.8550)
nitrided
Screws > = Ø 50 34CrAlNi7-10 (1.8550)
nitrided

Depending on the application, screws can receive additional treatment, e.g., nitrided, chrome-plated, or PVD-coated.
These are recommendations; as required, some raw materials may need alternative treatment.

Advanced
Advanced

For plastics with low filler content

Plated version for high resistance to abrasive wear on flight surfaces. Corrosion and abrasion-resistant substrates depending on the application.

technical data
Screws < Ø 50 X 153CrMoV12 (1.2379)
through-hardened
Screws > = Ø 50 31CrMoV9 (1.8519)
R331

Depending on the application, screws can receive additional treatment, e.g., nitrided, chrome-plated, or PVD-coated.
These are recommendations; as required, some raw materials may need alternative treatment.

Premium
Premium

For plastics with filler content of >30%

Maximum resistance to abrasive, corrosive and adhesive wear. Plated version to protect the complete flight surface. Suitable for applications to withstand extreme wear conditions.

technical data
Screw < Ø 50 PM-HIP
through-hardened
Screws > = Ø 50 38CrMo16 (1.2316)
or 31CrMoV9 (1.8519)
R341

Depending on the application, screws can receive additional treatment, e.g., nitrided, chrome-plated, or PVD-coated.
These are recommendations; as required, some raw materials may need alternative treatment.

Select
Select

For special applications

We offer special alloys for the production of complex products, such as PTFE, PFS, FEP.

Optional Features

ReiMix-HS

You can optimize the mixing effect of your screw by combining it with a ReiMix-HS mixing element. The mixing element can be used for injection molding and for extrusion.

  • A mixing effect enhanced by a factor up to 3 compared to a spiral shear section
  • Streamlined design
    • no dead zones
    • short dwell time
    • low pressure consumption
    • small temperature increase
  • Homogeneous melt
    • no streaking or cloud formation
    • excellent color mixing
    • excellent mixing effect with different polymers

Mastering production challenges with ease

How to benefit from Reiloy Screws

The problem

Why you should not accept wear

Insufficient wear protection can become a serious problem. Loss of material on screws and barrels causes internal leakage and fluctuations in the process. This have a negative impact on product properties. In the worst case, wear and tear can even lead to production downtime, jeopardizing your profitability.

Increase productive times

Save costs with excellent alloys

The wide range of alloys on the market can be confusing. Our experts guide you through the options and cooperate with you to find the alloy that is best suited for your production.

Smart

Nitriding steel: High surface hardness

Surface hardness at room temperature 900 – 1.100 HV5
Main alloy component Cr, Al, Ni
Structural description Nitride-rich edge zone

Advanced

R331: High resistance to wear

Hardness at room temperature min. 56 HRc
Main alloy component Vanadium carbides, Cr
Structural description Vanadium carbide reinforced
martensitic iron-based alloy
Screws up to 70 mm diameter Design also available in through hardened tool steel

Premium

R341: High resistance to wear

Hardness at room temperature min. 56 HRc
Main alloy component Vanadium carbides, Cr
Structural description Vanadium carbide reinforced martensitic iron-based alloy
Screws up to 70 mm diameter Design also available in through hardened PM-HIP tool steel

Select

RS12: Highest corrosion protection with good wear resistance - even at high temperatures

Hardness at room temperature min. 45 HRc
Main alloy component Cr, W
Structural description Cobalt-based alloy with tungsten mouth
Chromium mixed carbides

Our promise

You can rely on

Personal consultation
Top wear protection
Optimized material pairings
On time delivery
Geometries matched to the requirement
Serial production according to customer drawings
Ideal cost-benefit ratio
Consistent quality according to DIN EN ISO 9001:2015
Reifenhäuser lines
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Blown film lines
Nonwoven lines
Flat film lines