Ammann's Pneumatic Tyre Rollers or PTR's their most popular worldwide model, with many units working across the globe, particularly in up and coming countries where the need for roads and other asphalt surfaces is constantly growing.
Tayside Contracts, a commercially based local authority contracting organisation provide catering, cleaning, roads maintenance, vehicle maintenance and winter maintenance throughout the Tayside area of Scotland. They have recently added another Ammann APH240 PTR to their fleet of current Ammann compaction machines, provided by Ness Plant of Kinross.
Ness Plant's sales representative, Graham Fletcher told us how Tayside decided to expand their range of Ammann's because of the quality and reliability of their current machines, particularly the PTRs. They also praised the help and support offered by Ness Plant, making it an easy decision to stay with Ammann. A prime example of this is the way that A&Y and Ness Plant worked together in ensuring the machine was delivered within the deadline, meaning it was out working and earning money as soon as possible.
How Does the PTR Work?
Simply put, the pneumatic roller kneads the hot mix asphalt, working each of the oscillating tires into the asphalt mat. Not only does this achieve denser compaction, but it also drives the bigger aggregate in the mix down, and brings the fine aggregate to the top, actually sealing the asphalt better to eliminate voids and preventing water intrusion. Hence why its often described in terms of kneading dough.
Many contractors use PTR's as the kneading effect also brings the oil up to the surface. It gives it that really nice, rich, black finish, which is what many like to see.
Fields of Application
Overview of Features
This sale is an important one for Ammann and Ness Plant, which shows the growth of Ammann machines across Scotland. For further details on any of the Ammann range please Contact Us