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http://www.pntec.de :: Thema anzeigen - Compaction quality of road roller
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Kein Icon composite wood flooring originating Blocks happywork 0 Mi Sep 06, 2017 6:48 am
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BeitragVerfasst am: Mo Nov 14, 2016 6:01 am    Titel: Kein Icon Compaction quality of road roller Antworten mit Zitat

Mechanical transmission of single-drum vibratory roller vibrating wheel only because the vibration is driven wheel, the compaction process due to the slip of the follower wheel will have the phenomenon of soil and surface cracks. The vibrating steel wheel of full hydraulic single drum vibratory roller is both the driving wheel and the vibrating wheel. In the compaction construction, the vibrating steel wheel is rotating state, which solves the problem of folds and soil problems in the process of soil compaction.
The higher the distribution quality of the vibration wheel, the more favorable the compaction. The vibrating wheel distribution quality of the whole hydraulic vibratory roller is usually about 60% of the working quality of the whole machine (up to 55% for small tonnage roller and 67% for large tonnage roller). In order to satisfy the driving performance requirement, Distribution Quality of Vibrating Wheels
For the whole work of about 50% of the quality. For example, the vibratory wheel has a distribution mass of about 9 t for a mechanically driven vibratory roller with a working mass of 18 t and a vibratory wheel with a mass of 14 t for a fully hydraulic double drive vibratory roller (assuming a 64% 9t, so the working quality of 18t mechanical drive vibratory roller compaction effect is only equivalent to the quality of work for the 14t full hydraulic drive vibratory roller.
Compaction speed
Mechanical transmission vibratory roller traveling speed can only achieve a variable speed, and full hydraulic transmission vibratory roller can realize stepless speed change, the operator can according to the characteristics of the soil and the thickness of the exhibition layer to select the appropriate compaction speed, is conducive to progressive pressure Real effects and efficiency.
Drive performance
Mechanical drive vibratory roller can only achieve single-wheel drive, and full hydraulic drive vibratory roller can realize front and rear wheel drive, so the whole hydraulic drive vibratory roller drive performance and anti-slip performance are better than mechanical transmission vibratory roller.
Maneuvering comfort
The operation of hydraulic single-drum vibratory roller is very light and concise, and it is relatively stable at the start and stop. The mechanical driving system is complicated in operation sequence and labor intensity, and the roller has bigger impact in starting and stopping, Speed ??can only achieve a step speed, poor handling comfort. When the speed of the roller to change the need to disengage the clutch after the shift operation, when the engine speed will have a great change, resulting in vibration of the hydraulic pump flow changes, which will cause a great impact on the vibration system, mechanical transmission Single-drum vibratory roller can not shift in the vibration, and hydraulic single-drum vibratory roller in the vibration can be free to shift. Of course, it is rare that the roller needs shift in driving.
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