目前國內(nèi)生產(chǎn)的400馬力冷再生機，可以對瀝青路面灰土路基進行冷再生作業(yè)，還可以當路拌機用。國外主流廠家早已不再生產(chǎn)類似功率的專用路拌機，取而代之的是路面冷再生機，除了路面路基冷再生施工，其使用范圍還包括了傳統(tǒng)的路拌機應用范圍，而且施工效率大大高于傳統(tǒng)的路拌機。對照國外的經(jīng)驗，功率為400馬力的小冷再生機(相對600馬力的冷再生機》，將會逐步代替國內(nèi)的傳統(tǒng)后置路拌機。冷再生機比傳統(tǒng)的后罡轉(zhuǎn)子路拌機施工質(zhì)量穩(wěn)定，這得益于冷再生機的結(jié)構(gòu)特點（銑刨轉(zhuǎn)子在兩橋中間)，但國內(nèi)生產(chǎn)的大多數(shù)400馬力冷再生機與后墨轉(zhuǎn)子路拌相比，工作速度卻不占優(yōu)勢。生產(chǎn)的WR2100L路面冷再生機，在實際應用中，利用可換擋的雙轉(zhuǎn)速轉(zhuǎn)子，有著普通路拌無法比擬的優(yōu)勢，工作時可以速度更快,拌和效果可調(diào)，混合料可以打的更細。

The 400 horsepower cold regeneration machine currently produced in China can perform cold regeneration operations on asphalt pavement and lime soil subgrade, and can also be used as a road mixer. Mainstream foreign manufacturers no longer produce specialized road mixers with similar power, but have replaced them with road surface cold recycling machines. In addition to road surface and roadbed cold recycling construction, their scope of use also includes the application range of traditional road mixers, and the construction efficiency is much higher than that of traditional road mixers. Comparing with foreign experience, a small cold regeneration machine with a power of 400 horsepower (compared to a cold regeneration machine with a power of 600 horsepower) will gradually replace the traditional rear mounted road mixer in China. The construction quality of the cold regeneration machine is more stable than that of the traditional rear rotor road mixer, thanks to the structural characteristics of the cold regeneration machine (the milling rotor is in the middle of the two bridges). However, most domestically produced 400 horsepower cold regeneration machines do not have an advantage in working speed compared to the rear ink rotor road mixer. The WR2100L road cold regeneration machine produced has advantages in practical applications that ordinary road mixers cannot compare to, utilizing a shift able dual speed rotor. It can work at a faster speed, with adjustable mixing effects, and the mixture can be made finer.

國內(nèi)的路拌機拌和轉(zhuǎn)子的轉(zhuǎn)速往往只有一種，如果有廠家說轉(zhuǎn)速可調(diào)，那是調(diào)整液壓泵的輸出排量，通過減小泵的排量來降低轉(zhuǎn)子轉(zhuǎn)速，實際同時也降低了輸出功率，降低了機器的工作效率，沒有實際意義，所以沒有操作司機會降低轉(zhuǎn)子轉(zhuǎn)速干活。還有廠家說行走有兩個擋，這和轉(zhuǎn)子工作擋是兩個概念，目前國內(nèi)所有廠家生產(chǎn)的路拌機都有兩個行走工作擋。生產(chǎn)的WR210OL瀝青路面冷再生機銑刨有兩個轉(zhuǎn)子工作擋，兩擋轉(zhuǎn)速各有一個轉(zhuǎn)速，這兩個轉(zhuǎn)速是全功率的雙轉(zhuǎn)速。在實際應用中，許多用戶已體會到雙轉(zhuǎn)速的優(yōu)點來。舉兩個實際例子。

There is often only one type of speed for the mixing rotor of domestic road mixers. If a manufacturer claims that the speed is adjustable, it is to adjust the output displacement of the hydraulic pump and reduce the rotor speed by reducing the pump displacement. In fact, it also reduces the output power and reduces the efficiency of the machine, which has no practical significance. Therefore, without operating the driver, the rotor speed will be reduced to work. Some manufacturers also say that there are two gears for walking, which is a different concept from the rotor working gear. Currently, all road mixers produced by domestic manufacturers have two walking working gears. The WR210OL asphalt pavement cold recycling machine produced has two rotor working gears, each with a maximum speed. These two speeds are full power dual speeds. In practical applications, many users have realized the advantages of dual speed. Give two practical examples.

在灰土拌和實際應用中，機主一般都是采用一檔工作，機器有勁，工作速度快，損耗還小，工作速度明顯比路拌要快很多。

In the practical application of lime soil mixing, the machine owner generally uses first gear operation. The machine is powerful, operates at a fast speed, and has low losses. The working speed is significantly faster than road mixing.

在冷再生機的本行—―瀝青路面冷再生施工中，也可靈活選擇工作檔位，工作面較硬時，用一檔，明顯比其它400馬力冷再生機速度更快，破碎粒度也能達到要求，若工作面較軟，用二檔，高轉(zhuǎn)速，可以將成品料打得很細，比其它400馬力冷再生機破碎料度更小。靈活的應用，全在現(xiàn)場掌握。轉(zhuǎn)子轉(zhuǎn)速增加檔位，整機的成本增加了，但帶來的效益卻遠遠高于增加的成本。在研發(fā)各型機器時，一直把機器性能放在首位，而將成本放在次要的位置上，在機器技術(shù)性能上做國內(nèi)的先行者。

In the field of cold recycling machine - asphalt pavement cold recycling construction, the working gear can also be flexibly selected. When the working surface is hard, using the first gear is significantly faster than other 400 horsepower cold recycling machines, and the crushing particle size can also meet the requirements. If the working surface is soft, using the second gear and high speed can finely crush the finished material, which is smaller than the crushing particle size of other 400 horsepower cold recycling machines. Flexible applications can be mastered on-site. The increase in rotor speed and gear increases the cost of the entire machine, but the benefits it brings far exceed the increased cost. When developing various types of machines, we have always prioritized machine performance and placed cost in a secondary position, leading the way in terms of machine technical performance in China.

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