SZT30 CheapLight Road Roller Buy SZT30 Light Road Roller at Okorder

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Product Name: SZT30 Light Road Roller

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SZT30 CheapLight Road Roller Buy SZT30 Light Road Roller at Okorder


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state-owned company

fortune 500 company

AAcustom


 

SZT30 CheapLight Road Roller Buy SZT30 Light Road Roller at Okorder

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.






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Q:How big is the 20 ton bottle?
20 tons of roller storage battery should be 2 12V120A, and I hope to be helpful to you.
Q:What is the cause of soil cracking when subgrade is pressed by subgrade?
When the moisture content of backfill material is too large, cracking occurs in the course of pressing, and it will become loess when it is serious. The optimum moisture content of backfill is between 9% and 11%.
Q:The working principle of roller
The working principle of the roller is as follows:1 、 roller is a method of using mechanical weight and vibration to repeatedly load the compacted material to overcome the cohesion and internal friction between the materials.2, to exclude its internal gas and water, forcing the particles between the displacement, wedge close each other, increase the density, so that it reaches a certain degree of compaction and integrity of the operating machinery.
Q:Why should we use the rubber tyred roller in the construction of the asphalt pavement?
Initial pressure is generally used by steel wheel rollers, but there will be a phenomenon of passing, that is, the front of the roller mixture is subjected to lateral movement of pressure, and may cause cracks after compaction. Also useful for the initial pressure of the rubber wheel, but because the initial temperature is higher, the mixture easily adhere to the tire, and the traces are not easy to remove, so there is a lot of opportunities for the rubber wheel to re pressure.I think there are two main advantages of rubber wheels:1., rubber wheel compaction is a kind of kneading type compaction, compaction effect is good, and can remove the steel wheel compaction generated small cracks;2., the rubber wheel compaction will make the mixture of asphalt, mineral powder, fine aggregate and other forms of adhesive floating, so that the upper surface more closely, waterproof better.The disadvantage or non applicability of a rubber tyred roller:
Q:Is there any difference between vibratory roller and vibratory roller?
It's the same rollerCompacting capacity of vibratory roller = mechanical weight + exciting force (vibratory force of vibratory wheel mechanical vibration)Compared to the previous self weight roller, the volume and weight have been reduced, but the compaction effect has been improved obviously.
Q:What is the difference between 18t roller and vibratory roller? What's their respective function?
Your problem is not comprehensive. If it is a vibratory roller, it will be divided into double and single steel wheels. Single steel wheels are used in earthwork and Macadam foundations. Double steel wheels are used on asphalt
Q:Why should not be modified asphalt mixture roller compaction, and dense asphalt mixture should be used tire roller compound pressure?
For dense bituminous mixture aggregate due to small and continuous gradation, the tyre roller has the rubbing function makes the compaction layer of particles without destroying and interlocked, uniform and compact.
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:Roller clutch does not move, hang not into gear, what is the problem?
Should be the electronic control gear bar, the pressure is not enough, or power cylinder problems, clutch failure in place, the control sensor will not give the gear signal, of course, can not hang professional roller
Q:What do you mean by "380/275" in the vibratory force (kN) of vibratory roller?
It means "to".The range of exciting force is between 380 and 275.

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