ATOS意大利PFE-41085/阿托斯PFE-41085葉片泵PFE-41085 :
阿托斯葉片泵用機(jī)械密封檢修中的幾個(gè)誤區(qū) 1.彈簧壓縮量越大密封效果越好,。其實(shí)不然,,彈簧壓縮量過大,,可導(dǎo)致摩擦副急劇磨損,瞬間燒損,,力士樂柱塞泵過度的壓縮使彈簧失去調(diào)節(jié)動(dòng)環(huán)端面的能力,,導(dǎo)致密封失效。 2.動(dòng)環(huán)密封圖越緊越好,。其實(shí)動(dòng)環(huán)密封圈過緊有害無益,。一是加劇密封圈與軸套間的磨損,過1漏,;二是增大了動(dòng)環(huán)軸向調(diào)整,、移動(dòng)的阻力,在工況變化頻繁時(shí)無法適時(shí)進(jìn)行調(diào)整,;三是彈簧過度疲勞易損壞,;四是使動(dòng)環(huán)密封圈變形,影響密封效果,。 3.靜環(huán)密封圈越緊越好,。靜環(huán)密封圈基本處于靜止?fàn)顟B(tài),相對(duì)較緊密封效果會(huì)好些,,但過緊也是有害的,。一是引起靜環(huán)密封因過度變形,影響密封效果,;二是靜環(huán)材質(zhì)以石墨居多,,一般較脆,,過度受力極易引起碎裂;三是安裝,、拆卸困難,,極易損壞靜環(huán)。 4.葉輪鎖母越緊越好,。機(jī)械密封泄漏中,,軸套與軸之間的泄漏(軸間泄漏)是比較常見的。一般認(rèn)為,,軸間泄漏就是葉輪鎖母沒鎖緊,,其實(shí)導(dǎo)致軸間泄漏的因素較多,大金柱塞泵如軸間墊失效,,偏移,,軸間內(nèi)有雜質(zhì),軸與軸套配合處有較大的形位誤差,,接觸面破壞,,軸上各部件間有間隙,軸頭螺紋過長(zhǎng)等都會(huì)導(dǎo)致軸間泄漏,。鎖母鎖緊過度只會(huì)導(dǎo)致軸間墊過早失效,,相反適度鎖緊鎖母,使軸間墊始終保持一定的壓縮彈性,,在運(yùn)轉(zhuǎn)中鎖母會(huì)自動(dòng)適時(shí)鎖緊,,使軸間始終處于良好的密封狀態(tài)。 5.新的比舊的好,。相對(duì)而言,,使用新機(jī)械密封的效果好于舊的,但新機(jī)械密封的質(zhì)量或材質(zhì)選擇不當(dāng)時(shí),,配合尺寸誤差較大會(huì)影響密封效果,;在聚合性和滲透性介質(zhì)中,靜環(huán)如無過度磨損,,還是不更換為好,。因?yàn)殪o環(huán)在靜環(huán)座中長(zhǎng)時(shí)間處于靜止?fàn)顟B(tài),使聚合物和雜質(zhì)沉積為一體,,起到了較好的密封作用。 6.拆修總比不拆好,。一旦出現(xiàn)機(jī)械密封泄漏便急于拆修,,其實(shí),有時(shí)密封并沒有損壞,,力士樂液壓泵只需調(diào)整工況或適當(dāng)調(diào)整密封就可消除泄漏,。這樣既避免浪費(fèi)又可以驗(yàn)證自己的故障判斷能力,,積累維修經(jīng)驗(yàn)提高檢修質(zhì)量。 ATOS意大利PFE-41085/阿托斯PFE-41085葉片泵PFE-41085 PFE-31016/1DT液壓葉片泵 PFE-31016/1DT葉片泵 PFE-31016/1DT PFE-31016/1DU液壓葉片泵 PFE-31016/1DU葉片泵 PFE-31016/1DU PFE-31022/1DT液壓葉片泵 PFE-31022/1DT葉片泵 PFE-31022/1DT PFE-31022/1DU液壓葉片泵 PFE-31022/1DU葉片泵 PFE-31022/1DU PFE-31022/1DW液壓葉片泵 PFE-31022/1DW葉片泵 PFE-31022/1DW PFE-31028/1DT液壓葉片泵 PFE-31028/1DT葉片泵 PFE-31028/1DT PFE-31028/1DU液壓葉片泵 PFE-31028/1DU葉片泵 PFE-31028/1DU PFE-31028/1DV液壓葉片泵 PFE-31028/1DV葉片泵 PFE-31028/1DV PFE-31036/1DT液壓葉片泵 PFE-31036/1DT葉片泵 PFE-31036/1DT PFE-31036/1DU 20液壓葉片泵 PFE-31036/1DU 20葉片泵 PFE-31036/1DU 20 PFE-31036/1DV 20液壓葉片泵 PFE-31036/1DV 20葉片泵 PFE-31036/1DV 20 PFE-31036/1DW液壓葉片泵 PFE-31036/1DW葉片泵 PFE-31036/1DW PFE-31044/1DT 20液壓葉片泵 PFE-31044/1DT 20葉片泵 PFE-31044/1DT 20
阿托斯葉片泵PFE-41085/現(xiàn)貨ATOS葉片泵 PFE-31044/1DU 20液壓葉片泵 PFE-31044/1DU 20葉片泵 PFE-31044/1DU 20 PFE-31044/1DV 20液壓葉片泵 PFE-31044/1DV 20葉片泵 PFE-31044/1DV 20 PFE-32028/3DT 20液壓葉片泵 PFE-32028/3DT 20葉片泵 PFE-32028/3DT 20 PFE-32028/3DV 20液壓葉片泵 PFE-32028/3DV 20葉片泵 PFE-32028/3DV 20 PFE-32036/3DT液壓葉片泵 PFE-32036/3DT葉片泵 PFE-32036/3DT PFE-41037/1DU 20液壓葉片泵 PFE-41037/1DU 20葉片泵 PFE-41037/1DU 20 PFE-41045/1DT液壓葉片泵 PFE-41045/1DT葉片泵 PFE-41045/1DT PFE-41045/1DU 20液壓葉片泵 PFE-41045/1DU 20葉片泵 PFE-41045/1DU 20 PFE-41045/1DW 20液壓葉片泵 PFE-41045/1DW 20葉片泵 PFE-41045/1DW 20 PFE-41056/1DT液壓葉片泵 PFE-41056/1DT葉片泵 PFE-41056/1DT PFE-41056/1DU 20液壓葉片泵 PFE-41056/1DU 20葉片泵 PFE-41056/1DU 20 PFE-41056/1DV 20液壓葉片泵 PFE-41056/1DV 20葉片泵 PFE-41056/1DV 20 PFE-41056/1DW 20液壓葉片泵 PFE-41056/1DW 20葉片泵 PFE-41056/1DW 20 PFE-41070/1DT液壓葉片泵 PFE-41070/1DT葉片泵 PFE-41070/1DT PFE-41070/1DV 20液壓葉片泵 PFE-41070/1DV 20葉片泵 PFE-41070/1DV 20 PFE-41070/2DT 20液壓葉片泵 PFE-41070/2DT 20葉片泵 PFE-41070/2DT 20 PFE-41070/2DV 20液壓葉片泵 PFE-41070/2DV 20葉片泵 PFE-41070/2DV 20 PFE-41085/1DT 20液壓葉片泵 PFE-41085/1DT 20葉片泵 PFE-41085/1DT 20 PFE-41085/1DW 20液壓葉片泵 PFE-41085/1DW 20葉片泵 PFE-41085/1DW 20 PFE-42045/3DW 20液壓葉片泵 PFE-42045/3DW 20葉片泵 PFE-42045/3DW 20 PFE-42056/3DU 20液壓葉片泵 PFE-42056/3DU 20葉片泵 PFE-42056/3DU 20 PFE-42070/3DT 20 ATOS液壓葉片泵 PFE-42070/3DT 20葉片泵 PFE-42070/3DT 20 PFE-42070/3DU ATOS液壓葉片泵 PFE-42070/3DU葉片泵 PFE-42070/3DU PFE-42070/3DW 20液壓葉片泵 PFE-42070/3DW 20葉片泵 PFE-42070/3DW 20 PFE-42070/7DV ATOS液壓葉片泵 PFE-42070/7DV葉片泵 PFE-42070/7DV PFE-51090/1DT 23液壓葉片泵 PFE-51090/1DT 23葉片泵 PFE-51090/1DT 23 PFE-51090/1DU液壓葉片泵 PFE-51090/1DU葉片泵 PFE-51090/1DU PFE-51110/1DT 23液壓葉片泵 PFE-51110/1DT 23葉片泵 PFE-51110/1DT 23 PFE-51110/1DU 23液壓葉片泵 PFE-51110/1DU 23葉片泵 PFE-51110/1DU 23 PFE-51110/3DT 23液壓葉片泵 PFE-51110/3DT 23葉片泵 PFE-51110/3DT 23 PFE-51129/1DT液壓葉片泵 PFE-51129/1DT ATOS葉片泵 PFE-51129/1DT PFE-51150/1DT液壓葉片泵 PFE-51150/1DT葉片泵 PFE-51150/1DT PFE-51150/3DV液壓葉片泵 PFE-51150/3DVATOS葉片泵 PFE-51150/3DV PFE-52090/3DT 31液壓葉片泵 PFE-52090/3DT 31葉片泵 PFE-52090/3DT 31 PFE-52110/3DT 31液壓葉片泵 PFE-52110/3DT 31葉片泵 PFE-52110/3DT 31 PFED-43029/016/1DWO 20液壓葉片泵 PFED-43029/016/1DWO 20葉片泵 PFED-43029/016/1DWO 20 PFED-43029/016/1SWO液壓葉片泵 PFED-43029/016/1SWO葉片泵 PFED-43029/016/1SWO PFED-43029/028/1DVO 20 ATOS液壓葉片泵 PFED-43029/028/1DVO 20葉片泵 PFED-43029/028/1DVO 20 ATOS意大利PFE-41085/阿托斯PFE-41085葉片泵PFE-41085
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