REXROTH電磁比例閥0811106033
4WE6D 6X/OFEW230N9K4/B12
R978901404 4WE6T6X/EG24N9K4
R978901416 4WE10R3X/CW110N9K4/V
R978901417 4WE6D6X/EG24N9K4/B10V
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R978901536 4WE6G6X/EG42N9K4
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R978901831 4WE6J6X/EW110N9K4/B12
R978901837 4WE6C6X/EG24NK4/B08
R978901839 4WE10C3X/CG24N9K4/V
R978901905 4WE6GA6X/EG24N9K4/B08
R978901906 4WE6D6X/OEW110N9K4

R978901918 4WE6GA6X/EW110N9K4/V
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R978901995 4WE10EB3X/CG24N9K4/V
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R978902002 4WE6M6X/EW24N9K4
六通換向閥主要由閥體、密封組件、凸輪、閥桿、手柄和閥蓋等零部件組成(圖1)。閥門由手柄驅動，通過手柄帶動閥桿與凸輪旋轉，凸輪具有定位驅動與鎖定密封組件的開啟與關閉功能。手柄逆時針旋轉，兩組密封組件分別在凸輪的作用下關閉下端的兩個通道，上端的兩個通道分別與管道裝置的進口相通。反之，上端的兩個通道關閉，下端兩個通道與管道裝置的進口相通，實現(xiàn)了不停車換向。
1上閥蓋 2手柄 3閥桿 4凸輪 5密封組件 6閥蓋 7閥體
(1)六通閥的閥體由隔板分成兩腔，每腔都有3個通道，中間為進油口，兩端為出油口。閥體為碳鋼板焊結構，體積小，質量輕，結構緊湊，提高了材料的利用率，縮短了周期，降低了成本。密封面堆焊不銹鋼，防銹耐腐蝕，密封面經過精加工后拋光研磨，表面粗糙度Ra≤0.8μm。
(2)六通閥有兩組密封組件。每組密封組件(圖2)由閥瓣、密封圈、調整塊、調節(jié)螺釘、夾板和螺栓組成。閥瓣為碳鋼板焊件，設有加強筋，即增加閥瓣強度又起導向作用，保證每組閥瓣間的同軸度。閥瓣上鑲嵌聚氨脂橡膠圈，該材料具有耐油、耐磨損、穩(wěn)定、密封良好和壽命長的特點。在凸輪的作用下，密封圈的球面與閥體密封面相接觸產生擠壓彈性變形，達到密封。調整塊和調節(jié)螺釘在兩組密封組件不能同步到位時可起調整作用，確保各通道密封同步到位。
密封組件
密封組件
1夾板 2螺栓 3調整塊 4閥瓣 5密封圈 6調整螺釘
(3)閥桿與閥體隔板和上閥蓋間的軸向密封采用O形圈。
(4)閥體隔板及上閥蓋軸孔部位鑲有銅套，可減小與O形圈間的摩擦力矩，密封組件開啟與關閉靈活，操作力矩小。
(5)上閥蓋設有指示牌及限位螺釘，閥桿上安裝指針，明確指示各通道的接通狀況，易于操作。
R978900636 4WE6D6X/EW110NK4
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REXROTH電磁比例閥0811106033