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MyPronamic

Name: MyPronamic
Address: Düsseldorf, 40549, DE
Telephone: +4921153530

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Put Success on Repeat! Entrust the care of your mill to the pioneers in vertical mills with over 111 years' experience.

28/10/2026

The working surface of a PRONAMIC® grinding part is built through successive welding passes. Each pass deposits material that becomes part of the finished component, making control during production part of the quality of the supplied part.

For our PRONAMIC® grinding tires and plates, manufacturing combines automatic hardfacing with continuous production monitoring and quality testing. The selected wear-resistant material has to be applied through a controlled manufacturing process, while the finished component follows the mill’s original dimensional specifications.

For a plant evaluating replacement parts, the material specification describes one aspect of the purchase. How the component is manufactured and checked adds another: the production work behind the grinding surface that eventually reaches the mill.

21/10/2026

A scheduled mill shutdown sets a defined window for replacing grinding parts and completing the assembly work.

Replacement planning includes assessing localized wear on the roller tires and grinding plates, then selecting the working-surface specification for the abrasiveness of the feed. Our PRONAMIC® grinding parts follow the mill’s original dimensional specifications, with a choice of wear-resistant materials.

Their construction combines a tough structural steel body with a welded working surface that resists abrasion. These two functions require different material properties: toughness in the body under mechanical loading, and abrasion resistance where the feed contacts the part.

The replacement scope aligns with the shutdown schedule, with changeover hours planned around the number of components being exchanged and the available installation resources.

14/10/2026

Two grinding parts selected for the same duty can have different refurbishment options once worn.

That difference starts with their material and construction. When purchasing a replacement, its expected wear performance is one consideration. Another is whether a suitable refurbishment service exists for that type of part.

For components covered by our workshop service, we inspect the worn part to assess whether its original specifications can be restored. Those specifications include material composition and dimensional tolerances. A part belonging to an eligible material category still needs an individual assessment.

Where refurbishment is feasible, we preserve the existing base material as far as possible. Renewing the wear protection can prepare the component for another period of service while retaining material already used in its manufacture.
⟶ www.mypronamic.com

06/10/2026

A service charge expressed per kilogram and a charge per produced ton measure different aspects of the maintenance decision.

The first uses material quantity as the basis for charging. The second relates the service charge to production output.

Our plant maintenance service levels include arrangements expressed per kilogram and per produced ton. Depending on the service level, the scope may also include parts and welding services, as well as mechanical assessments and process improvements. ⟶ www.mypronamic.com

To compare refurbishment proposals, it is necessary to have clarity about the work included and the production period being assessed. A price per kilogram requires a defined material quantity, and evaluating expenditure per produced ton requires the output achieved during service.

23/09/2026

Having the right parts starts with knowing they were manufactured according to the requirements of the original grinding system.

PRONAMIC® parts are produced to specific quality and design standards, and tires and grinding plates are available for various applications and wear conditions. The material selection and component specifications reflect the grinding duty the part will undergo once installed.

Although a mill can remain in operation for many years and replacement parts are needed at different points throughout its service life, traceability and quality testing throughout production maintain a clear link between the specified part and the delivered component. ⟶ https://www.mypronamic.com/parts/

16/09/2026

The abrasiveness of the material being ground guides the choice of protective metal layer on a grinding tire. PRONAMIC® offers different hardfacing options for new parts and refurbishment, so that choice can be reviewed when a plant changes its feed material.

This layer is built up by welding. It contains hard particles called carbides that resist abrasive wear. PRONAMIC® H1 and H2 wires produce deposits containing chromium carbides; H2 also contains vanadium carbides.

When rebuilding a worn surface, wire selection depends on the metal receiving the new layer. Both wires can be applied over existing worn deposits on PRONAMIC® tires and grinding plates using LOESCHE-approved procedures, though not over bare steel castings.

The hardfacing must suit the wear caused by the feed material, and the welding procedure must be appropriate for the metal beneath it.

View our wire specifications. ⟶ https://www.mypronamic.com/parts/

09/09/2026

Large grinding components do not always need to leave the plant when their wear surfaces require refurbishment. Depending on the condition and maintenance needs, PRONAMIC® components can be refurbished either in a workshop or directly on site.

For large components, in-situ work can avoid the additional handling involved in disassembly, transport and reassembly. Workshop refurbishment remains another available route. The appropriate method depends on the circumstances of the intervention.

Both routes are available for maintenance planning. The choice depends on the component, the plant situation, and how the refurbishment work will be carried out.

02/09/2026

The welding is finished, but the checks continue.

After installing the refurbished grinding parts, our engineers can continue with process optimization. The mill returns to operation with restored grinding surfaces, while its operating parameters provide the basis for checking and adjusting process conditions.

Pressure, temperature, O₂ content, power consumption and volume flow are among the parameters used in this work. PRONAMIC® service packages can also include mechanical audits, supervision and recommendations alongside periodic hardfacing.

The post-refurbishment period is part of our service scope. Our engineers assess the condition of the grinding parts together with the operating data as the mill returns to production.

26/08/2026

What “self-shielded” means during hardfacing

PRONAMIC® H1, H2 and T2 are self-shielded flux-cored welding wires used in the manufacture and refurbishment of grinding tyres and plates for vertical mills.

As the tubular wire melts, the compounds within its core protect the molten weld metal from the surrounding atmosphere. This means that the welding process does not require an externally supplied shielding gas.

Self-shielding is one part of the welding procedure. Each wire diameter has specified current, voltage and stickout ranges, and the deposited layers form the wear-resistant surface. The alloy composition of these deposits differs between the H1, H2 and T2 wires according to their intended application.

During refurbishment, the selected wire can be deposited over an existing worn layer using the specified welding procedure, rebuilding the working surface while the component remains installed in the mill.

19/08/2026

A changing SCM supply may require a different wear-part strategy before a new spare part becomes necessary.

Changes in the type, source, or proportion of SCM can introduce different levels of abrasivity and moisture into a vertical roller mill. These properties can lead to different grinding conditions and wear patterns across grinding tires and plates.

This means wear-part planning cannot rely solely on performance recorded with the previous feed. Inspections and operating data provide the basis for assessing the wear associated with the current material mix and whether the existing wear-part specification remains appropriate.

If a change in wear behavior points towards replacement, planning ahead gives the plant time to review the material specification and prepare the correct components for the next scheduled maintenance period. The decision can then account for the materials the mill is expected to process during the next operating cycle.

Adresse

Düsseldorf
40549

Öffnungszeiten

Montag	09:00 - 17:00
Dienstag	09:00 - 17:00
Mittwoch	09:00 - 17:00
Donnerstag	09:00 - 17:00
Freitag	09:00 - 17:00

Telefon

+4921153530

Website

https://mypronamic.com/

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