As a hot-rolling model on the market, Sany full-hydraulic single-cylinder roller SSR220AC-8 is the leader in full hydraulic technology, and the full hydraulic products only sell mechanical prices, which are highly sought after by the market. Buying full hydraulic or mechanical, each has its own advantages, it is difficult to choose, as if every purchase customer, will face such a dilemma, after all, buy equipment to win at the starting line, did not buy well, miserable. So how to choose, Xiaobian "一哥" to you to collect some of the main performance data of a domestic S brand 22-ton mechanical roller and Sany full hydraulic SSR220AC-8, do not point to help you make the right choice. (The data comes from some official tests or official platforms) Comparison of a domestic S brand 22-ton mechanical roller with Sany full hydraulic 22-ton road roller Transmission system comparison: hydraulic transmission VS mechanical transmission The importance of the transmission system as the "blood vessel" of the roller is self-evident. As a reform of the domestic road roller, the Sany hydraulic roller adopts a full hydraulic system. The transmission line is shorter than the mechanical transmission, and the parts are few. Only the pump and the motor have no impact, and the time from the execution of the command to the execution is relatively small. ▲ hydraulic transmission route ▲ mechanical transmission route The mechanical roller of the domestic S brand adopts mechanical transmission, and has complicated components such as clutch, gearbox, transmission shaft, pneumatic system, brake system, clutch system and hand brake, which is more prone to failure. Power system comparison 147KW VS 136KW In terms of the engine, Sany uses the Weichai WP6G200E331 engine with a rated power of 147 kW. The engine of a domestic brand is the Shangchai SC8D series turbocharged diesel engine with a rated power of 136KW. According to industry experts, a large engine power indicates that the power that can be supplied is large, and the reserve factor is large, such as a faster start-up time, a shorter start-up time of the vibrating wheel, and better plateau adaptability. Vibration data comparison 35Hz VS 33Hz Compaction and vibration are the most important concerns for customers, because the effect of compaction depends directly on whether there is a “returning business†or a one-off job. ▲Comparative comparison between Sany Road Roller and a domestic S brand The vibration frequency of Sany full hydraulic single steel wheel SSR220AC-8 compaction can reach 35Hz, the vibration wheel diameter is 1600mm, and the vibrating wheel rim thickness is 40mm. The vibration frequency of the domestic S brand mechanical roller is 33Hz, and the diameter of the vibration wheel is only 1550mm. It is undoubtedly lost on the starting line on the hardware. According to the test comparison of the industry, under the same road conditions, the compactness of the full hydraulic single-drive single drum compactor is 98.9%, and the domestic S brand mechanical roller is slightly lower by 0.1%-0.2%. Construction efficiency comparison 21.61 seconds vs 25.61 seconds The roller is different from other road vehicles. Its biggest feature is that it needs to be reversing back and forth, and reciprocating and rolling. Generally speaking, when the compaction water is stable for 30 meters, it needs to be reversed before and after, and the number of compaction passes back and forth more than 4 times. The front and rear reversing of Sany hydraulic roller is very simple and convenient, 0 waiting time, and the mechanical type needs to brake, step clutch, shift, loose clutch, at least 3~5 seconds, compact at 5km/h 30 Meter calculation, full hydraulic pressure 21.61 seconds each time, and the domestic S brand efficiency is about 15% lower than the full hydraulic pressure! ▲ Sany full hydraulic single steel wheel SSR220AC-8 starts soft and smooth Operating environment comparison Spacious and bright VS complex and compact The hydraulic roller cab, due to the full hydraulic transmission, there is no brakes, clutches under the feet, plus the glass on the four sides of the cab, the wide field of view, transparent and bright. ▲The operation of the full hydraulic roller is more concise and clear ▲ domestic brand mechanical roller compactor cab The mechanical roller of a certain brand has many operating parts and the cab is relatively compact. Maintenance service comparison Trinity Service VS Brand Service The Sany hydraulic single-cylinder wheel compactor SSR220AC-8 uses a high-precision diesel filter, while the rear hood can be fully opened, making the user's daily dimension more convenient. ▲ Sany full hydraulic roller adopts high precision diesel filter In terms of after-sales service, Sany's professional service team and sound service system still have certain guarantees. How to choose, Xiaobian "one brother" can only help you find data, do not make a specific analysis, but a brother still wants to suggest is, do not trust a word, you can compare several, make your correct choice, after all, everyone It’s going to make money, and the choice is right, the road will go smoothly. (This article is from Sany Heavy Industry)
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