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Fine milling

New grip for old roads

Many countries are investing less money in maintaining their road network despite increasing traffic loads. The result is a growing demand for fast and economically efficient solutions that are capable of taking the edge off hazardous stretches of road. Fine milling is such a method, and is predominantly used where bumps and wheel ruts, or slippery surfaces pose an acute danger to traffic safety.

The process is a modified form of cold milling, the only difference being that the cutting tools are spaced more closely on the milling drum. The technique is called fine milling when the line spacing decreases to 8 mm or less.

The fine milling drum has a tool spacing of 6x2 mm and is fitted with 672 point-attack tools.

The aim is to produce a defined new surface texture. Although fine milling drums cannot repair any damage rooted deep in the road structure, they can create a level, non-skid surface.

A single pass is all it takes - further steps, such as paving a new surface course, are normally not necessary.

The texture produced by fine milling offers excellent grip, thus allowing the slurry seal to fully bond with the milled surface.

A WIRTGEN cold milling machine roughening the runway at Cambridge Airport, UK.

Effective milling tasks such as the application and removal of road markings.

The surface accuracy and grip of the roadway are restored in this way.

Das Feinfräsprofil bietet eine griffige Oberflächenstruktur, mit der sich die Bitumenversiegelung optimal verzahnt.

WIRTGEN Kaltfräse beim Aufrauen der Start- und Landebahn auf dem Flughafen Cambridge in Großbritannien.

Effektive Feinfräsarbeiten wie Markieren oder Demarkieren.

So werden Ebenheit und Griffigkeit der Straßendecke wieder hergestellt.

Job Reports for fine milling projects

Depending on the application, Wirtgen’s PCD milling tools offer a significantly longer service life as well as greater machine productivity and availability.

Wirtgen PCD Millling Tools

It was a classical application for super-fine milling and GMS, a specialist in this domain, once again opted to use this established technology from market leader Wirtgen.

A good grip on the TT Circuit Assen

How could contractors meet tight deadlines and avoid blocking congested roads more than necessary? Fine milling was the solution.

Super-fine milling for the World Cup in Brazil

Express rehabilitation keeps Tokyo going: Overnight, Wirtgen cold milling machines with fine milling drums give Tokyo’s traffic arteries fresh grip – almost without disrupting traffic at all.

Express rehabilitation in Tokyo

Road rehabilitation

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