ST252J Road Roller BuyST252JRoad Roller at Okorder

ST252J Road Roller BuyST252JRoad 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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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: Classification of rollers: The utility model is suitable for various compaction operations with the gravity action of the machine itself, so that the compacted layer is permanently deformed and compacted. It is divided into two types: steel wheel type and tyre type. Grinding wheel grinding, grinding groove structure light and kneading etc.. Light milling is the most common and is mainly used for pavement surface compaction. With mechanical or hydraulic transmission, the utility model can concentrate the compacted part of the protruding part, and has high compaction and smoothness, and is suitable for the compaction operation of the asphalt pavement. According to the layout of the axle, there are single shaft, single wheel, double shaft, double shaft, three wheel and three axle, three wheel and so on. The internal combustion engine is powered by mechanical or hydraulic transmission. General front wheel steering, good maneuverability, rear wheel drive. In order to improve the steering and rolling performance, the articulated steering structure and all wheel drive should be adopted.

Q: What are the major components of a vibratory roller?: Take a single cylinder as an example, the main components include engine, hydraulic system, steel wheel, drive axle, cab, electrical system, structural parts, etc.

Q: Strong earthquakes and small earthquakes can be used normally,: Check that the bearings of the wheel are loose

Q: How often does the roller change the engine oil? Is there a master pointing at one or two?: To see what brand of your engine, diesel, Hangzhou, Yuchai and so on domestic engine in general. From the beginning of the first factory replacement engine is the timer display 300 hours or work for three months should be replaced, at the same time to replace the filter, replacement according to the service condition and working environment and then, usually 250-550 hours. The worse the environment, the shorter the time, but less than 250 hours, as long as the oil viscosity, and through the oil traces can see the oil dipstick, metal color (oil slightly transparent), we do not recommend replacement, because it is a waste. Replace the oil and replace the filter at the same time, otherwise it will be wasted. In fact, when we go to the site service, listen to the user said, as long as life is not too busy, usually only once a year.

Q: Do we have to use rubber wheels? Is there a mandatory rule?The fine-grained AC-13 is ready to let the builders use the rubber wheel, but the builders say the rubber wheel is rarely used. Would I like to know if this is necessary?: Be sure to use a tire roller. The reasons are as follows:1, according to the current standard "asphalt pavement construction and acceptance specification" (GB 50092-1996) requirements, should use rubber wheel rolling

Q: It is feasible to build a 2 story building. The foundation is compacted by roller: Building foundation on the one hand is to bear the weight of the house, on the other hand, it is also necessary to ensure the uniform settlement of the house, otherwise the house will crack. No foundation, the house can not be built, there is no construction master dare to build.

Q: How about roller Qingdao kotai heavy industry.: Good, the price advantage, and other brands also have a function, but as long as it is mechanical or any other products, there are some deficiencies, it can not be perfect. If you want to use it or choose Qingdao Ketai, there are certain advantages at least economic cost

Q: How many grade roller are selected for the last roller compaction of subgrade filling?: Different highway grade requirements are different, general 20T total enough, if there are special requirements, the grinding of the drawings will be given

Q: What's the use of this roller? What is the difference between a roller and an ordinary roller?: This is a convex block roller, is adding a layer with a convex block device mounted on the original circular surface of the base, consisting of two semicircle. This roller is mainly used for the compactness of roadbed. In general the main base material is not easy to be smooth when compacting it will be used

Q: Why is the roller driving force facing the paver when the asphalt is laid and rolled?: It's just convenient to roll it. There is nothing special deep meaningThis must be rolled. Otherwise, how do you want the roller to go? It should be the construction site

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