[毕业设计精品]夹紧进给液压系统设计

A1A0A2A3A4A5A7A8A6摘要现代机械加工行业发生着深刻的结构性变化，液压系统的设计与改良已成为相关企业生存和发展的必要条件。动力装置行业作为一个传统而富有活力的行业，近十几年取得了突飞猛进的发展。在新经济时代，这一行业呈现了新的发展趋势，由此对其动力装置的质量、性能产生了新的变化。输出轴作为动力装置的主要零件，液压系统的设计与改良直接影响着其质量与性能。本文首先介绍了液压的作用和工况分析，其次确定液压缸尺寸，然后进行了工艺规程设计。A9A10A11A10A11A12A13A14A15A16A17A18A19A20A4A5A17A18A21A4A5ABSTRACTTHEMODERNMACHINEFINISHINGPROFESSIONISHAVINGTHEPROFOUNDCONSTITUTIVECHANGE,THECRAFTWORKCLOTHESDESIGNANDTHEIMPROVEMENTHASBECOMETHECORRELATIONENTERPRISESURVIVALANDTHEDEVELOPMENTESSENTIALCONDITIONTHEPOWERUNITOBTAINEDTHEDEVELOPMENTWHICHPROGRESSESBYLEAPSANDBOUNDSINTHENEWECONOMICALTIME,THISPROFESSIONHASPRESENTEDTHERECENTDEVELOPMENTTENDENCY,FROMTHISTOITSPOWERUNITQUALITYTHEPERFORMANCEHASHADTHENEWCHANGETHEOUTPUTSHAFTTOOKTHEPOWERUNITTHEMAJORPARTS,THECRAFTWORKCLOTHESDESIGNANDTHEIMPROVEMENTDIRECTLYISAFFECTINGITSQUALITYANDTHEPERFORMANCETHISARTICLEFIRSTINTRODUCEDTHEOUTPUTSHAFTFUNCTIONANDTHECRAFTANALYSIS,NEXTTHEDEFINITESEMIFINISHEDMATERIALSSIZE,THENHASCARRIEDONTHETECHNOLOGICALPROCESSDESIGN,FINALLYHASCARRIEDONTHEJIGDESIGNTOTHE70THWORKINGPROCEDUREANDTHE80THWORKINGPROCEDUREKEYWORDSTECHNICALANALYZETHETECHNICALRULESPLANMODULARDESIGNA22A23A24A25A26A27A28A29A30A31A24A25A26A271目录摘要A32A32A32A32A32A32A32A32A32A32A32A32A32A32A32A32A32A32A32A32A32A32A32A32A32A32A32A32A32A32A32A32A32A33ABSTRACTA34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A351液压传动课程设计任务书A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A3422负载与运动分析A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A3433确定液压系统主要参数A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A345A36A37A38A39A40A41A42A43A44A45A42A46A40A41A43A44A45A42A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A345A36A37A47A48A49A41A42A43A50A51A52A53A49A41A43A50A51A52A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A3454拟定液压系统原理图A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A349A54A37A38A40A55A56A57A58A59A56A57A58A59A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A349A54A37A47A60A61A41A42A62A63A62A63A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34115计算和选择液压件A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A3413A64A37A38A38A37A37A65A66A41A42A67A68A69A70A65A66A68A69A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A3413A64A37A47A65A66A71A72A73A74A65A66A72A73A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A3413A64A37A36A65A66A75A76A77A78A79A80A78A65A66A76A77A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34146验算液压系统性能A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A3418A81A37A38A82A49A62A63A42A46A83A84A62A63A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A3418A81A37A37A47A47A82A49A62A63A85A86A87A88A89A62A63A86A87A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A3421参考文献A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A3423致谢A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A34A3424A90A91A92A93A94A95A96A97A98A99A92A93A94A9521设计任务书A100A101A102A103A104A105A96A97A106A107A94A951A108A108A109A110A109A110A109A109A110A111A112A113A114A113A111A112A114A113A1111A115A116A117A116A118A119A120A121A122A123A124A125A126A127A128A129A130A131A121A122A132A1332A134A135A136A137A138A139A140A141A142A143A144A145A146A1472A148A148A149A150A151A152A153A154A155A156A157A158A149A150A151A152A154A155A156A157A149A159A159A160A161A162A163A164A165A160A161A163A164A160A148A166A167A157A158A148A148A168A169A157A158A170A168A169A168A171A172A173A174A143A175A176A177A178A179A180A181A182A183A144A145A184A185A186A187A188A189A190A191A192A180A181A193A194A182A183A195A196A186A189A197A198A136A199A200A201A202A203A204A205A206A207A208A209A208A210A211A202A203A212A213A214A215A208A216A204A205A217A218A208A216A204A205A206A207A208A209A208A211A210A208A216A219A220A207A221A222A223A202A203A204A205A207A221A222A223A224A217A225A226A227A206A202A203A205A207A208A221A228A206007M/SA229A202A203A205A209A208A221A228A20610MM/SA229A230A231A202A203A212A20630KNA229A208A216A204A205A207A208A221A228A20602M/SA229A208A216A204A205A209A208A221A228A206002M/SA229A230A231A232A233A212A206110KNA229A234A235A206A236A237A238A239A221A228A240A241A242A238A239A243A244A237A245A246A247A237A248A249A249A250A251A252A253A254A255A237A104A0A1A2A3A107A108A4A251A252A5A6A110A237A104A0A7A8A9A33A61A61A19A10A11A12A13A14A19A10A11A12A19A113A15A16A115A17A18A118A119A20A21A118A122A22A118A23A24A25A26A27A101A125A118A54A28A29A30A31A125A32A118A113A101A16A129A33A34A118A23A24A25A26A35A36A37A118A134A38A29A30A31A125A32A118A113A39A16A136A40A41A118A136A42A43A118A141A44A23A24A45A46A35A47A48A49A50A51A52A118A149A53A55A56A29A30A31A125A32A118A113A57A16A60A51A58A118A59A62A63A64A65A66A67A155A68A69A70A71A72A73A744A75A75A76A77A78A79A80A81A82A83A79A84A76A77A78A79A81A82A83A79A76A156A85A68A86A159A87A88A59A89A90A91A92A93A94A95A96A97A98A99A69A100A102A70A103A1052A165A106A87A109A90A91A92A93A94A111A112A97A98A99A69A114A103A105A116A117A120A121A94A123A12414A87A109A90A91A92A93A94A160A126A97A172A109A90A91A92A93A1214A87A109A90A91A92A93A127A128A94A130A131A97A132A133A135A137A138A94A90A91A139A128A97A87A109A140A142A143A1444A90A91A92A93A94A145A146A147A1484A150A151A152A94A153A154A63A64A116A124A121A157A123A124A158A161A162A12812A187A641A163A164A166A167A168A166A167A188A189A169A191A170A171A192A193A194A173A174A175A176A177A174A175A178A192A193A194A179A180A180A181A182A183A184A178A195A185A186A190A196A197A198A192A193A194A199A178A186A190A200A201A202A203A204A205A206A207A208A209A210A211A212A213A214A215A216A217A218A211A212A213A21432负载与运动分析已知最大夹紧力为30KN，G2029夹紧G8845缸工作G17139G17745130FKN，液压缸的机械G6940G10587取09M，G2029G6524力13333MFKN，由G1122夹紧工作工作G18108件G5647质量G5468G4579，G2499G1209G5585G11065。G2029G5827性G17139G1774510MF，G19471力G17139G17745110FSFDFF。夹紧缸G5567进、G5567G17876G17907G5242G72611V13V007M/S，夹紧缸G5942进G17907G5242G72612V10MM/S。夹紧缸行程G726用行程G5332关G16855G14422最大250MM已知最大G2011G2078力为110KN，G2029进G13485G8845缸工作G17139G177452110FKN。由G5347MVFMTG5347G7082G2521G709G5347G7082G2521G709G1025MG252工作G18108件G5647质量VG252G5567进G6122G5567G17876G17907G5242TG252G17828动的加G17907、G1955G17907时G19400G8726得G726G5827性G17139G177451110220020002MVFMNNTG19471力G17139G17745G726G19757G6717G6842G19471力0220098392FSFNN动G6717G6842G19471力0120098196FDFNN液压缸的机械G6940G10587取09M，G2029G6524力2122440FDMFFN。进G13485G8845缸G5567进、G5567G17876G17907G5242G726111V113V02M/S，进G13485G8845缸G5942进G17907G5242G726112V002M/S，进G13485缸行程G726用行程G5332关G16855G14422最大1000MM。G13520G990G6164G16797得出液压缸在G2520工作G19466G8585的G17139G17745G159322G2521和G159322G2522。A2192A2201A221A222A223A224A225A226A227A228A229A230A231FNA225A232A230A231A233A234A230A231A235A225A232A230A231A233A234A230A231A235A236A2371FSFF0A225A23811FDFFF30000A239A24011FDMFFF0A241A2421FDFF0A241A2381FDFF0A243A244A245A246A247A248A249A250A251A237A245A246A247A2484A2192A2202A238A252A223A224A225A226A227A228A229A230A231FNA225A232A230A231A233A234A230A231A235A225A232A230A231A233A234A230A231A235A236A237FSFF392A225A2382FDFFF110196A239A240FDMFFF396A241A242FDFF196A241A238FDFF196根据液压缸在上述各阶段内的负载和运动时间，即可绘制出负载图FL和速度图L，如图21，图22所示。A253A254A255A2A0A1FLA19A3A255A2A0A1FLA1A35A36A37A253A254A255A4A5A1LA19A3A255A4A5A1LA1A35A36A35A24A6A7A8A9A10A30A11A12A13A7A8A9A1053确定液压系统主要参数31初选液压缸工作压力A14A15A16A17A18A20A21A22A23A25A26A27A28A29A31A32A33A2A0A34A40A38A39A43A44A44A37A41A37A41A35A41A35A41A46A41A46A41A44A41A47A44A41A42A45A11A48A49A50A51A52A53A43A41A54A55A37A37A54A44A35A35A54A44A46A46A56A56A44A47A44A57根据系统中夹紧油缸工作最大负载为130FKN，在工进时负载最大，在其它工况负载很小参考表31，初选液压缸的工作压力P14MPA。进给油缸工作最大负载为2110FKN，在工进时负载最大，在其它工况负载较小，参考表31，初选液压缸的工作压力P18MPA。32计算液压缸主要尺寸鉴于液压缸快进和快退速度相等，这里的液压缸可选用单活塞杆式即液压缸有（A12A2）。工进时为防止冲击现象，液压缸的回油腔应有背压，参考表机械设计手册选用有杆腔回油路直接油缸，背压可忽略不计，选此背压为P20MPA。无杆腔回油路带调速阀的系统，这时参考机械设计手册可选取背压为P205MPA。由1122MFPAPA，式（31）在式（31）中1P、2P分别为缸的工作压力、回油路背压1A、2A分别为缸的无杆腔工作面积、有杆腔工作面积F缸的工作负载M液压缸的机械效率，取09M再根据122AA，得1212MFAPP计算得夹紧油缸无杆腔工作面积12100089AM，进给油缸无杆腔工作面积2100158AM，由14ADPI得，夹紧油缸活塞直径111065DMM，进给油缸活塞直径11417DMM，由D0707D得，A58A59A60A61A62A63A64A65A66A67A60A61A62A63611D753MM，21D100MM。参考/23482001GBT，圆整后取标G1946G6980G1552，得夹紧缸11110DMM，11D80MM，进给缸1140DMM，1D100MM。由214DAPI，2224DDAPIG8726得液压缸G1016腔的G4466G19481有效面积为夹紧缸G1016腔的G4466G19481有效面积为14219510AM，242144710AM进给缸G1016腔的G4466G19481有效面积为1422153910AM，2422753610AMG13475G7828G20576，参考机械设计手册，活塞杆G5390度和G12295G4462G5627G3355G12538G2524G16213G8726。根据计算出的液压缸的G4622G4556，可G1284算出液压缸在工作G5502G10627中各阶段的压力、G8981G18339和G2163率，如表32和表33所G2027，由此绘制的液压缸工况图如图31，图32所示A68A69A70A71A72A73A74A7431A75A76A77A78A79A80A81A82A83A84A77A78A79A807A85A86A70A71A72A73A74A7432A873A882A85A86A89A90A91A92A93A94A95A96A97A98A99A100A101A102A103A104A105A106A107A108A109A110F0/NA111A112A113A114A110P2/MPAA115A112A113A114A110P1/MPAA116A117A118A119QA120103/M3/SA116A117A121A122P/KWA123A124A125A126A127A115A1280A1280352A128121QAAVA104A10533333037440095A12810221/PFPAA12QAVA127A129A12805A12803129A12823QAVA130A131A132A133A134A135A136A137A138A139A132A133A134A1358A1403A1413A142A143A89A90A91A92A93A94A95A96A97A98A99A100A101A102A103A115A144A106A107A108A109A110F0/NA111A112A113A114A110P2/MPAA115A112A113A114A110P1/MPAA116A117A118A119QA120103/M3/SA116A117A121A122P/KWA123A124A125A126A127A115A145A1464355600055A128A128022112FPAPAA121QAAV1PPQA147A14844021PPP05PMPA034A128A128A149A14821778031157049A107A1151224400795603124502211FPAPA12QAV1PPQA127A129A145A14643556000578A128A12802112FPAPA23QAV1PPQA147128A128A149A14821778105151575A150A151A152A153A154A155A156A157A158A159A160A161A162A163A155A157A164A165A166A167A168A169A170A171A172A173A168A174A175A176A177A178A179A180A181A182A183A184A185A186A174A187A188A182A183A184A18594拟定液压系统原理图41选择基本回路411选择调速回路由图31可知，机床液压系统功率与运动速度，工作负载为阻力负载且工作中变化小，故可选用进口节流调速回路。由于系统选用节流调速方式，系统必然为开式循环系统。412选择油源形式从工况图可以清楚看出，在工作中两个液压缸要求油源提供快进、快退行程的低压大流量和工进行程的高压小流量的油液。夹紧系统中最大流量与最小流量之比MAXMINQ/Q0352/031291125，而在进给系统中最大流量与最小流量之比MAXMINQ/Q157/031506。在工作前可根据加工需要夹紧和进给最大行程可以随时调节。根据该机床工作原理，则系统两个油缸可公用一个泵，为此可选用限压式变量泵或叶片泵作为油源。且两者都能实现系统功能，从要求压力较高、系统效率、经济适用的角度来看，最后确定选用双作用叶片泵方案。413选择快速运动和换向回路考虑系统流量较大，系统中选用电磁换向阀换向回路，G6523G2058进油方向选用G989G1313G3247G17902电液换向阀，G6523G2058液压缸选用G989G1313G3247G17902电液换向阀，G3926图41G6164G12046。A18941A190A191A192A193A194A195A196A197A198A199A192A193A194A19510414选择速度换接回路系统由快进G17728为工进时，为G1955G4581速度换G6521时的液压G1926G1999，选用行程阀G6523G2058的换G6521回路。为G1114给进给缸快退G2469出G1461G2507，由于最大行程可以随时调节，则需要G16786G13634一个行程开G1863。为G1114G1427于进给缸动作G4448G6116后系统能G14270动为夹紧缸G2469出快退G1461G5699，在进给缸G7061G16786G13634一个压力G13499电G3132。G3926图42G6164G12046。A189A200A201A202415选择进油调压回路在双缸G2045用一个双作用叶片泵供油，根据G7424机床工作原理和工作G2454G6980可知两个油缸G993G7171G2528时进行工作且两个油缸G6164需要的供油压力G993G2528。需要G16786G13634G12628G2345的调压，G2375在夹紧系统中G16786G13634一个调压阀调节压力。G3926图43G6164G12046。A18943A190A191A192A193A194A195A196A197A198A199A192A193A194A1951142组成液压系统G4570G990G19766选出的液压G3534G7424回路G13464G2524在一G17227，G5194经G1474G6925和G4448G2904，G4613可G5483G2052G4448G6984的液压系统工作原理图，G3926图44G6164G12046。在图44中，为G1114G18003G1825机床夹紧工作G1584G8502后，夹紧油缸回路中G7092G8873G1457G6357夹紧力，图中在夹紧缸G7061G9167G13634G1114G15000能G3132。A18944A203A201A196A197A204A205A202A201A206A197A207A205A208A201A209A210A211A212A213A214A215A216A207A205A200A201A213A214A207A205A217A201A218A219A207A205A220A201A213A214A207A205A221A201A218A219A207A205A222A201A223A193A224A225A205A226A201A227A228A207A205A203A229A201A230A231A232A205A203A203A201A233A216A207A205A203A202A201A197A234A235A213A232A205A203A208A201A196A236A233A216A207A190A191A192A193A194A195A196A197A198A199A192A193A194A19512A237A200A201A203A238A239A240A199A241A242A243A237A244A245A246A247A248A249A250A251A252A253A254A255A42A0A1A7A2A3A4A255A42A0A1A32A5A6A31A5A6A37A5A6A29A5A6A46A5A49A5A33A34A8A33A34A9A33A38A33A39A10A11A12A13A14A40A15A16A17A86A18A87A18A88A18A88A18A10A11A19A20A21A22A23A20A24A25A26A8A87A18A14A27A12A13A14A21A28A30A35A36A53A41A8A87A18A14A27A12A43A14A21A22A23A20A24A25A26A9A87A18A14A27A12A13A44A21A22A23A20A24A25A26A45A88A18A88A18A10A11A12A13A44A21A28A30A35A36A53A41A9A86A18A88A18A88A18A47A48A50A51A52A54A55A56A57A58A59A60A61A62135计算和选择液压件51确定液压泵的规格511计算液压泵的最大工作压力由G159322G2521和G159323G2522可知，进给缸在工进时工作压力最大，最大工作压力为P180MPA，G3926在调速阀进口节流调速回路中，选G2474进油路G990的G5647压力G6451G3845P06MPA，考虑G2052压力G13499电G3132的可G19764动作要求压G5058PE05MPA，则泵的最高工作压力G1284G12651为由式G3G3G3G3G3G3G3G3G3G3G3G3G3G311PEPPPP式G70851G709在式G70851G709中1PPG252最高工作压力G31PG252最大工作压力G3PG252G5647压力G6451G3845G3EPG252动作要求压G50581180060591PEPPPPMPAMPA512计算液压泵的流量由G159323G2522和G159323G2523可知，油源向进给缸G17767G1849的最大流量为157G104103M3/S，G14521G2474回路G8856G9443系G6980K11，由式G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3PQKQ式G70852G709G3式G70852G709中G3G3G3G3G3G3G3G3G3G3PQG252缸最大的流量G3KG252回路G8856G9443系G6980QG252G17767G1849的最大流量。G3则泵提供油缸最大的流量为G313311115710/1036/MINPQKQMSL考虑G2052G9334流阀的最小G12295定流量为3L/MIN，则泵的G5647流量1066/MINPQL，根据以G990压力和流量的G6980G1552G7609G19417G1147G2709G7691G7424，最后确定选G247424136PVRG3423叶片泵，G6502量为136/PQMLR。G14521G2474液压泵的G4493G12227效率为09V，则G5415泵的G17728速980/MINPNR时G726液压泵的实G19481G17767出流量为G72613698009/1000/MIN11995/MINPQLL。52确定电动机功率由G159323G2522和G159323G2523可知，进给油缸工进时G17767G1849功率最大，G17837时液压泵最A63A64A65A66A67A68A69A70A71A72A65A66A67A6814大工作压力为7956MPA，G14521G2474液压泵G5647效率P081，由式G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3PPPPQP式G70853G709式G708G24G16G22G709中G3G3G3G3G3G3G3G3G3G3G3PG252电动机功率，G3PPG252工作压力，G3PQG252工作流量，PG252液压泵G5647效率。G3G17837时液压泵的G20549动电动机功率为7956119951996008PPPPQPKWKW，根据此G6980G1552G7609G19417G1147G2709G7691G7424，选用G16280G7696G11468的Y200L2G2526G3423电动机，G1866G20081定功率为22KW，G20081定G17728速为970R/MIN。53确定其它元件及辅件531确定阀类元件及辅件根据系统的最高工作压力和G17902G17819G2520阀G12879G1815G1226G2462G17753G1226的实G19481流量，G7609G19417G1147G2709G7691G7424，选出的阀G12879G1815G1226和G17753G1226G16280G7696G3926G1593251G6164G2027。A63A64A65A66A67A68A69A70A71A72A65A66A67A6815A735A741A75A76A77A78A79A80A81A82A83A84A85A89A90A91A92A93A94A95A96A97A98A99A100A101Q/L/MINA102A103A104A85A105A106A100A101QN/L/MINA105A106A107A108PN/MPAA105A106A107A109PN/MPA1A110A111A112A113A114A115A116PV2R41361199514A1162A117A118A119250310AQFEC300140143AA120A121A122A123A124A125A126A127A1192504WE16HJ503002505BA120A121A122A123A124A125A126A127A119454WE10HJ201604A128A129A11920AXQF3E10L00750163）G5567G17876G9381G2500G5567G17876G7114，在进油路上，油液G17902G17819G2345G2533阀10、G11017液G6454G2533阀7、G11017液G6454G2533阀10的流量G18129为2323/MINL，G9994后进G1849液压缸G7389G7450G14120。在G3250油路上，油液G17902G17819G2345G2533阀5、液G6523G2345G2533阀2和G11017液G6454G2533阀1流量G18129为985/MINL，G17832G3250油箱。在进油路上由式（61）G5647的压力损失为2222323232323230350505125160160VP001210010500105MPA0033MPAG8504值G17751G4579，G3252G8504液压G8905的G20549动G11017动G7438的G2163G10587G7171G17287G3827的。在G3250油路由式（61）上G5647的压力损失为222109109109050350516040160VP00023002600023MPA00306MPAG16825值G4579于表32液压缸的G3250油G14120压力P205MPA，G1306由于G7438G5214夹紧缸系统中G1926G1999G5468G4579，G1889G2454G13783表G24G21中的速度数据则不G1262G5445G2721系统G4445全。612进给缸系统的验算A213A214A215A216A217A218A219A220A221A222A215A216A217A21820（1）G5567进G5567进G7114，液压缸G17902G17819G11017液G6454G2533阀连G6521。在进油路上，油液G17902G17819G2345G2533阀14、G17902G17819G11017液G6454G2533阀2、G1889G17902G17819G11017液G6454G2533阀3A、G17902G17819G1120G1313G1120G17902G11017G11925G6454G2533阀7的流量G18129为11995/MINL，G9994后进G1849液压缸无G7450G14120。在进油路上，压力G5647损失失222211995119951199511995035050505125160300160VP03220281008028MPA0963MPAG8504值不大，G1889G2454G13783表52中的速度数据，不G1262G3838G5445G2721G6564G1391液压缸所G19668压力和速度。在G3250油路上，无G14120G7450中油液G17902G17819G17902G17819G2345G2533阀3A流量为24496/MINL，流G1849G3250油箱。在G3250油路上，压力损失为22449605033300VPMPAG8504值不大，G1889G2454G13783表52中的速度数据，不G1262G3838G5445G2721G6564G1391液压缸所G19668压力和速度（2）工进夹紧G17819程，在进油路上，油液G17902G17819G2345G2533阀14、G17902G17819G11017液G6454G2533阀2、G1889G17902G17819G11017液G6454G2533阀3A的流量G18129为G7171186/MINL、G16855速阀8进G1849液压缸无G7450G14120，在G16855速阀8G3800的压力损失为05MPA。在G3250油路上，油液G17902G17819G11017液G6454G2533阀3AG17832G3250油箱。G14521G5585G11065管路的沿程压力损失和局部压力损失，则在进油路上G5647的压力损失为222186186186035050505125160300VP00077000680001905MPA05164MPAG8504值G11065大于估计值05MPAG1306G3534本相G12538。在G3250油路上G5647的压力损失为23798050008300VPMPAG16825值G5506G11065大于液压缸的G3250油G14120压力P20MPA，可G16277G8504值G994G2033算G7114选取的G13984压值G3534本相G12538。按表33的G1856式G18337G7044计算液压缸的工作压力为4610221/12244000087536100FPAAMPAA223A224A225A226A227A228A229A230A231A232A233A234A235A23621G8504值G994表33数值G5468G6521G17829。G13783G15397G2052压力G13499G11017G3132的可G19764动作G16213G8726压差PE05MPA，G6937G9334流阀12的G16855压1PAPG5224为11796051640589764PAVEPPPPMPAG8504值G7171G16855整G9334流阀12的G16855整压力的G1039G16213G2454G13783数据。（3）G5567G17876G9381G2500G5567G17876G7114，在进油路上，油液G17902G17819G2345G2533阀14、G11017液G6454G2533阀2、G11017液G6454G2533阀3A的流量G18129为11995/MINL，G9994后进G1849液压缸G7389G7450G14120。在G3250油路上，油液G17902G17819G2345G2533阀9和G11017液G6454G2533阀3A流量G18129为587/MINL，G17832G3250油箱。在进油路上为G5647的压力损失2221199511995119950350505068125160300VPMPAG8504值G17840G4579于估计值，G3252G8504液压G8905的G20549动G11017动G7438的G2163G10587G7171G17287G3827的。在G3250油路上G5647的压力损失为2225875875870350