WEBER Wear protection packages

For more durability and low maintenance


  • Basic

    Formulations without abrasive ingredients

    Standard applications

    High surface hardness

    Screws can be additionally coated

     

     


  • Advanced

    With a low proportion of abrasive components

    Higher wear protection against abrasion

    Good corrosion resistance

    Very high hardening depths >0.5mm

     


  • Premium

    With a high proportion of abrasive component

    Maximum wear protection due to armoured outer diameter

    Maximum wear and corrosion protection of the barrel

    Coordinated friction pairing

     


  • Special

    With a very high proportion of abrasive component

    Maximum wear protection due to armoured outer diameter

    Maximum protection against abrasion due to additional coating             

    Maximum wear and corrosion protection of the barrel

BASIC

Screw and barrel nitrided

Screws and barrels for standard applications made of nitrided steel. High surface hardnesses can be achieved by the choice of nitriding steel.

We recommend post-nitriding for regeneration above a certain wear limit to increase the service life of the screw and barrel.

Recommended for the following applications: Tubes and profiles with low filler contents. Low protection against wear.

 

ADVANCED

Screw and barrel hardened & nitrided

Screws and barrels made of high quality hot working steel. For maximum hardening depth, screws and barrels are hardened and then nitrided. Compared to nitrided steel, a higher surface hardness with good corrosion resistance can be achieved through the choice of base material. 

We recommend post-nitriding for regeneration above a certain wear limit in order to increase the service life of the screw and barrel.

Recommended for the following applications: Window profiles with high titanium dioxide content, pipes with higher filler contents or regranulate. For profiles with abrasive fillers.

 

PREMIUM

Screw armoured & nitrided, WC-bimetallic barrel 

A combination of armoured screw and tungsten carbide bimetallic barrel for maximum wear protection. By selecting the right filler material, a particularly well-matched friction pairing can be achieved. The outer diameter of the screw is thus protected against high abrasion wear.

Above a certain wear limit, we recommend regeneration by means of multi-layer build-up welding and subsequent re-nitriding.

Recommended for the following applications: Our premium solution for high demands, suitable for sheets (LVT), window profiles with regenerated granulate as well as extrudates with abrasive fillers.

 

SPECIAL

Screw armoured & WC-coated, WC-bimetallic barrel 

A combination of armoured screw and tungsten carbide bimetallic barrel for maximum wear protection. By choosing the right hardfacing material, a particularly well-matched friction pairing can be achieved. The flight surface of the screw is thus protected against high abrasion wear.

In addition, maximum wear protection is achieved on the screw flank and core. The tungsten carbide coating can be used over the entire screw length or only in certain areas.

Above a certain wear limit, we recommend regeneration by multi-layer build-up welding and subsequent recoating.

Recommended for the following applications: For special applications such as wood plastic compounds. Suitable for extrudates with a very high content of abrasive fillers, for example for the extrusion of pencils.

Structure of the tungsten carbide systems

 
Hard-facing: welding process  

Hard-facing: Bimetallic 

Hard-facing: Laser-Cladding

Hardness Depth Profile in comparison

                              

 

Systematics of wear protection

 

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    Das beweist unter anderem die neu entwickelte Bedienung OS5 – 
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How can we help?

Benefit from our expert knowledge: 
we are happy to advise you and will work with you to find a solution that perfectly fulfils your requirements. 

Talk to us. Together we can develop your solution for the future.

+49 (0) 92 61 / 4 09 - 0          infohansweberde