Proven compaction technology
VÖGELE supplies screeds with a variety of compacting systems: the suffix “V” is for screeds with the "vibrators” compacting system, whilst “TV” means an additional tamper and “TP1” and “TP2” stand for high-compaction screeds with one or two pressure bars. This is how the specialist satisfies its customers’ individual requirements. So it is that some of the screeds for the SUPER pavers of the Mini and Compact classes and the VF and VR screeds for North America are equipped only with vibrators, whilst other markets use mainly the TV variant, i.e. a screed with vibrators and tamper.
Screeds with hydraulic tamper stroke adjustment
The tamper actively tamps the mix under the screed plate, therefore ensuring that the layer of asphalt is precompacted to a significant degree. A correctly-set tamper is of key importance for the compaction result and for the floating behaviour of screeds. As it is a complex process to adjust the tamper stroke mechanically, it is often not adjusted at all, which is why VÖGELE developed the hydraulic tamper stroke adjustment system. This system enables paver operators to set the ideal tamper stroke for the task in question quite simply at the touch of a button: on the latest screeds, the touch of a button on the paver operator’s console switches to a 4 mm or an 8 mm stroke.
Pressure bars for a compaction performance of up to 98%
Pressure bars driven by pulsed-flow hydraulics are the core of High Compaction Technology. This is the technology which enables screeds of the TP1, TP2 and TP2 Plus variants to achieve the greatest possible compaction performance. The highest-performing screeds are the AB 500 TP2 Plus and the AB 600 TP2 Plus. These are used mainly on the InLine Pave train. During the rehabilitation process, the binder course and the surface course are paved one immediately after the other. In this case, the high compaction screeds compact the binder course at values of up to 98% – without rolling.