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    自動上料攪拌車的發動機的磨合方式有哪些呢?
    來源:http://www.jifengmenye.com/ 日期:2022-05-09
    自動上料攪拌車是工地施工常見的設備之一,那么自動上料攪拌車的發動機的磨合方式有哪些呢?下面為大家介紹一下。
    Automatic loading mixer is one of the common equipment in site construction. What are the running in methods of the engine of automatic loading mixer? Let's introduce it to you.
    1.冷磨合
    1. Cold running in
    冷磨合可以分成無壓縮磨合和壓縮磨合兩個步驟,無壓縮冷磨合時,要拆下噴油器;壓縮冷磨合時則需要裝上噴油器或者控制減壓結構。
    Cold running in can be divided into two steps: non compression running in and compression running in. When non compression cold running in, remove the fuel injector; During compression cold running in, the fuel injector or pressure reducing structure shall be installed.
    冷磨合時,要以外力帶動自動上料攪拌車發動機運轉,整個過程不能有柴油供給,而且要隨時觀察機油壓力,檢查氣門室內有沒有潤滑油流動,同時水溫要控制在40℃,注意各部位有沒有異常響聲,如果有的話,要立即停機檢查,排除故障。冷磨合后要放出磨合油,清洗整個的潤滑油管路系統。
    During cold running in, the engine of the automatic feeding mixer truck shall be driven by external force. There shall be no diesel supply in the whole process. In addition, the oil pressure shall be observed at any time to check whether there is lubricating oil flow in the valve chamber. At the same time, the water temperature shall be controlled at 40 ℃, and pay attention to whether there is abnormal sound in all parts. If there is any, stop the machine immediately for inspection and troubleshooting. After cold running in, drain the running in oil and clean the whole lubricating oil pipeline system.
    2.無負荷熱磨合
    2. No load thermal running in
    向自動上料攪拌車發動機油底殼加入足量的清潔磨合油,檢查調整氣門間隙和供油提前角,排出燃油系統中的空氣,然后啟動發動機,在冷卻系統水溫達到40℃以上時,提高發動機轉速,并隨時注意發動機各缸的運轉情況。
    Add enough clean running in oil to the engine oil pan of the automatic feeding mixer truck, check and adjust the valve clearance and oil supply advance angle, discharge the air in the fuel system, then start the engine, increase the engine speed when the water temperature of the cooling system reaches above 40 ℃, and pay attention to the operation of each cylinder of the engine at any time.
    3.負荷熱磨合
    3. Load thermal running in
    穩定發動機轉速,慢慢增加負荷,持續運轉一個半小時,檢查各部位是否有漏油、漏水、漏氣等現象,水溫、油壓是否正常,自動上料攪拌車發動機是否有異響或者異常。如果有及時熄火進行排查。自動上料攪拌車發動機熱磨合完畢后,應再次檢查調整氣門間隙,待發動機溫度降低后,按規定力矩緊固氣缸蓋螺母。
    Stabilize the engine speed, slowly increase the load, continue to operate for one and a half hours, check whether there is oil leakage, water leakage, air leakage and other phenomena at all parts, whether the water temperature and oil pressure are normal, and whether the engine of the automatic feeding mixer truck has abnormal noise or abnormality. If there is, shut down the engine in time for troubleshooting. After the hot running in of the engine of the automatic feeding mixer truck is completed, the valve clearance shall be checked and adjusted again. After the engine temperature is reduced, tighten the cylinder head nut according to the specified torque.
    4.優化調整
    4. Optimization and adjustment
    保證柴油機正確的配氣相位,定期檢查氣門間隙,測量時要注意順著搖臂方向插入厚薄規,只有正確調整氣門間隙才能使氣缸內限度的充滿新鮮空氣、排出廢氣,并且減少氣門積碳。
    Ensure the correct valve timing of the diesel engine, regularly check the valve clearance, and pay attention to inserting a thickness gauge along the rocker arm during measurement. Only by correctly adjusting the valve clearance can the cylinder be filled with fresh air, exhaust gas and reduce valve carbon deposition.
    磨合期對于確保車輛運轉狀態,延長車輛使用壽命,排除故障隱患是非常重要的一個時期,尤其是負荷很大的自動上料攪拌車,如果在磨合期內直接進行正常作業,很容易導致車輛各組件因為磨合不到位而出現各種故障,影響車輛的運轉,所以在磨合期內一定不要滿負荷運作,避免車輛受損。
    The running in period is a very important period for ensuring the running state of the vehicle, prolonging the service life of the vehicle and eliminating hidden troubles, especially for the automatic feeding mixer with large load. If the normal operation is carried out directly during the running in period, it is easy to lead to various faults of various components of the vehicle due to poor running in, affecting the operation of the vehicle. Therefore, it is necessary not to operate at full load during the running in period to avoid damage to the vehicle.
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