D814H Road Roller Buy D814H Road Roller at Okorder

D814H Road Roller Buy D814H Road Roller at Okorder

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 1 unit

Supply Capability:: 300 unit/month

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Why choose us?

1 sincre

CNBM International is a state company, now is one of the largest state-owned group cooperation in China! All the equipment such as tower cranes, produced by CNBM are compliant with the national level quality.

2 professional

Our engineers will at your services 24hours to solve all your tower crane installation and other questions. Our goal is to provide the best professional services.

3 quality

CNBM International’s tower crane have strict quality control, only the best quality products can pass the test.

4speed

We have professional sales team to guarantee your reply within 12hours to save your precious time.

5 After sales

If the tower crane has any problems, we will solve your problems in first time.

Inquies FAQ

My dearest friend, if you want to buy our tower cranes, please tell us the following parameters. And we will make the most suitable project for!

1. Building height or tower crane working height.

2. Max load capacity and tip load capacity.

3. Span or jib length

4. Other Special requirements

Q:What's that round thing in front of the roller? emergency: Steel wheel.31 roller (SSR200AC-8, SSR220AC-8) for hydraulic type, but it uses the country's three high-power engines, and start without impact, the engine without instantaneous fuel consumption.

Q:flat rammer and small-sized roller? Can be used to compaction, how to distinguish between ah?: The following is the analysis of these equipments for you:Roller: both compacted asphalt and cohesive soil can be used.Flat rammer: sand granular media, such as sand, asphalt (with sprinkler device).Impact rammer: sticky soil, requiring high pressure and solid occasionsDifference between compacting equipment:The roller is compacted by its own weight and exciting force, and the roller is in line with the ground compaction medium.

Q:Roller operation method: The rolling action of 2 DD-110 amplitude and frequency selection of road roller mainly depends on the pressure wheel line pressure, different pressure line selection, and with the paving layer with stone strength and compacted should reach the bearing capacity and. Table 1 shows the strength of the stone and the required line pressure of the roller. Table 2 shows the required line pressure values for several main materials. Because the DD-110 roller has dual frequency 8 amplitude, greatly broaden the scope of its use in the work, can work in a variety of ways, i.e. a variety of line pressure, and pressure line can pass through the table 3 provides data and combined with the formula (1) to calculate the pressure machine under the condition of the road line pressure. The conversion of DD-110 operation mode is quite simple and quick, and the reasonable selection of visual material properties, compaction thickness and other indexes (Tables 1 and 2), therefore, has a wide range of application.

Q:slow pressing, high frequency and low amplitude". How do you understand the low amplitude behind it? Thank you: Low amplitude is the amplitude of the theory of vibratory amplitude level, a greater impact on the basis of asphalt road, because the base layer has good compaction, the compaction is to improve asphalt surface layer compaction, compaction and does not affect the base layer damage, so the compaction of high frequency and low amplitude only.

Q:How to use a loader to rebuild a roller and use an old 50F loader to rebuild a roller, would like to see the special view: If you want to change into a single steel wheel compactor, there may be hope, but the compaction capacity will be insufficient. If you change the vibratory roller, the rear frame will move more, and the life expectancy is also difficult to say. The final engines may be the engine, the rear axle, the cab, the tank, and so on.

Q:What's the width of the 12 ton roller?: According to the operating weight divided into micro (1 tons); small (1-6 tons); medium (6-10 tons), heavy (10-14 tons); super heavy (16 tons) pressing wheel distinction: single steel wheel and double steel wheel, three wheel, tire according to the compaction principle: vibratory and static effect of impact roller, roller, roller combination at present commonly used in Engineering: single.

Q:When the asphalt surface is rolled, why should the driving wheel of the roller be geared to the paver?: When paving asphalt surface, rollers usually use steel rollers, steel rollers are compacted without leaving traces (Che Zhe). The driving wheel of the roller is toward the paver, that is, the power wheel faces the asphalt concrete, the material is out of order and the direction is not compacted. In this way, the driving wheel can not form the wave shape because the power is insufficient, and the asphalt concrete is pushed forwards and forwards, so that the smoothness of the surface layer is more easily controlled. At present, most rollers are driven by two wheels.

Q:The impact roller has high production efficiency: 3. compaction influence depth can be as high as 5 meters, effective compaction depth of 1 meters.

Q:Where is the driving wheel of the steel roller?: The driving wheel of steel wheel roller is divided into front and back drive,Different roller, see how to choose.

Q:How many tonnage vibratory rollers are heavy?: The eccentric block vibrator is mounted on the grinding wheel shaft, and is driven by mechanical or hydraulic transmission, and a suspension mechanism and a vibration proof measure are arranged between the vibration wheel and the frame. Some tire vibratory rollers also use frequency adjustable vibrators. The basic technical parameters of vibratory roller for heavy machine, vibration force and bus pressure (static pressure and dynamic pressure and). The machine weight range is from 1.5 to 18 tons. The utility model has wide application range and is suitable for various compaction operations. The utility model has the advantages of large compacting thickness, good effect and high productivity.The country did not give strict standards, but the industry generally recognized more than 12t vibratory roller for heavy-duty roller.

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