How many tons are there in the maximum roller?
At present, some provinces in China have been forced to use more than 25t heavy-duty tire rollers in the bidding of expressways, which should be paid special attention to when purchasing.The roller main technical parameters including work quality, vibration force, vibration frequency, amplitude, climbing ability, diesel engine model and power, roller quality equivalent work normally with the exciting force is greater, the vibration frequency and amplitude range is more series, climbing ability is stronger, the power of diesel engine the bigger is better, but it is important to note that with a smaller turning radius as well, so you can bring more convenience for construction in the process of storage and transportation, steering.
Static roller selection should also consider the large tonnage products, especially for the construction of the user only static roller, in order to improve the construction efficiency and compaction quality, the tonnage is best not less than 15t, after adding sand weight after weight should be more than 18t.Because of the existence of elastic deformation during the rolling process, the tire roller can play a role in kneading the compacted material, and can make the asphalt and other paving materials sealed and reduce the leakage of the pavement under the rain. According to the requirements of the new national standard "construction and acceptance of asphalt pavement" in our country, it is necessary to popularize and apply the large tonnage tire roller to re load asphalt composite paving.
There are more than 30 heavy duty roller rollers, such as XP302.Press machine road normally rolling efficiency and the compaction effect is proportional to its mass, so for higher grade, compaction material is complicated and the construction cycle is short of the road should be considered roller of large tonnage, construction equipment and large tonnage roller is the construction unit of the project bidding must be available, so in general should consider buying weight above 14T, the exciting force of more than 260kN wheel drive single drum vibratory roller. But it is not the exciting force of the bigger the better, because the exciting force will lead to segregation of surface layer, loose aggregate crushing and grading materials, not only reduce the compaction quality, but also can cause premature fatigue of drivers and machine parts damage, experience has shown that effective excitation maximum should not exceed 400kN.
