Q:What do you mean by "380/275" in the vibratory force (kN) of vibratory roller?

In the question, 275 did not give the amount of engineering units, I just guess the following is KN.

Q:How about a beginner? Drive a roller

Specifically how to paint their moving brain, is very simple. When I was 17 years old. No one taught in his invention.

Q:How to choose a second-hand roller?

Roller is an indispensable road equipment in modern road construction. It is widely used in filling and compacting operations of large scale projects such as highways, railways, airports, runways, dams and stadiums. Compared with the new machine of second-hand roller with good price, steel in the world will give you a brief introduction about, how to buy second-hand roller.First, the use of time is a key factor in determining the price of used rollersTreatment of rollers and other construction machinery, although our country does not have the same as the mandatory scrapping of the car, according to the annual use of 2000 hours to calculate, roller service life is generally 10 years. Due to the new roller, the normal use of the case, five years without heavy repair, the machine during this period generally has a good cost performance. The price of used rollers is usually depreciated by 20% in the first year, and then decreased by 5% each year to calculate the basic price. First year depreciation 20%, second year depreciation 15%, third year depreciation 10%, fourth year depreciation 5%. Fifth years after the machine parts, with normal wear and aging, plus some unpredictable factors, the probability is greatly increased when the need to overhaul the roller prices in general, because of the individual machine product phase is different, there are great differences. After 10 years, the roller, with the impact of technology and other factors, the price is generally maintained at 20% below the price of new machines.

Q:Sheepsfoot road and a distinction between what work?

Sheepsfoot do stone dam project is still alive.A main work on earth, no difference, and the effect on.

Q:BMW roller, wrong wheel, will affect the straight line?

Normally, it doesn't matter unless your machine has been damaged.The roller should completely withdraw from the rolling operation period after vibration and stop slowly to avoid the wrong wrong wheel, wheel over a cause of asphalt mixture passes and squeeze the mixture.

Q:Why can't we use the tire roller in the modified asphalt road?

This is a basic problem of asphalt is hot, tire pressure will play!! You have to cool down before you run!

Q:What's in the roller in front of the roller?

Inside is a set of eccentric mechanisms that vibrate by eccentric rotation with frequencies between 25-50HZ.

Q:I would like to ask, 18T roller layered centimeters, compaction is the most appropriate?

If it refers to single steel wheel vibratory roller, cement stabilized base or cushion construction: the maximum delamination shall not exceed 20cm.

Q:What's the BMW roller BW203AD-4?

Parameter configuration of BMW BW203AD-4 rollerOverall sizeTotal width (mm) 2135EngineDeutz models DeutzMass load parameterQuality of work with cab (kg) 13000DeutzN. A. & Cie. Otto originally founded in 1864 in Cologne DEUTZ, is now the longest history in the world, the world's leading independent manufacturer of engine. As a whole series of engine experts, DEUTZ provides power range from 25KW to 520KW water-cooled and air-cooled engine, can be widely used in engineering machinery, generators, agricultural machinery, commercial vehicles, railway locomotives and ships, and applied to various professional use.Deutz company in more than 130 countries have 9 distribution companies in the world, 9 sales offices and 16 service centers

Q:What is static roller mill and what's the difference between vibratory roller and vibratory roller?

It's the wrong place. The roller compactor is just compacting the road through the weight of the roller.