[{"data":1,"prerenderedAt":779},["ShallowReactive",2],{"catalog:meta":3,"guides:page:\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fpiston-pump:*":258,"guides:topics:hydraulics:\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fpiston-pump:path,title,short":550,"guides:page:\u002Finjection-molding-machine-parts\u002Fhydraulics:diagram":639,"diagram:id:power-unit":641,"catalog:parts::HY-PW-07":770},{"categories":4,"machines":132,"zones":212,"totals":255},[5,35,59,122],{"id":6,"name":7,"slug":8,"description":9,"partCount":10,"subcategories":11},"EC","Electrical Components","electrical","Electrical systems and components for injection molding machines including heaters, thermocouples, servo motors, and controllers.",11,[12,17,22,27,31],{"id":13,"name":14,"slug":15,"partCount":16},"EC-CBC","Circuit Boards & Controllers","circuit-boards",4,{"id":18,"name":19,"slug":20,"partCount":21},"EC-CE","Connectors & Cables","connectors-cables",2,{"id":23,"name":24,"slug":25,"partCount":26},"EC-GEP","Servo Motors & Drives","servo-motors",1,{"id":28,"name":29,"slug":30,"partCount":21},"EC-HT","Heaters","heaters",{"id":32,"name":33,"slug":34,"partCount":21},"EC-SF","Safety Components","safety",{"id":36,"name":37,"slug":38,"description":39,"partCount":40,"subcategories":41},"HY","Hydraulic Components","hydraulic","Complete range of hydraulic system components including pumps, valves, motors, and pressure controls for injection molding machines.",14,[42,46,51,55],{"id":43,"name":44,"slug":45,"partCount":26},"HY-AU","Accumulators","accumulators",{"id":47,"name":48,"slug":49,"partCount":50},"HY-CV","Control Valves","control-valves",6,{"id":52,"name":53,"slug":54,"partCount":26},"HY-MO","Monitors & Gauges","monitors-gauges",{"id":56,"name":57,"slug":58,"partCount":50},"HY-PW","Pumps & Motors","pumps-motors",{"id":60,"name":61,"slug":62,"description":63,"partCount":64,"subcategories":65},"MC","Mechanical Components","mechanical","Mechanical parts and assemblies including barrels, screws, tie bars, bushings, platens, and clamping components.",42,[66,71,75,80,85,89,93,97,101,105,109,114,118],{"id":67,"name":68,"slug":69,"partCount":70},"MC-BC","Barrels & Cylinders","barrels-cylinders",5,{"id":72,"name":73,"slug":74,"partCount":16},"MC-SB","Screw Barrels & Seals","screws",{"id":76,"name":77,"slug":78,"partCount":79},"MC-TC","Tie Bars & Columns","tie-bars",7,{"id":81,"name":82,"slug":83,"partCount":84},"MC-GZ","Bushings & Guides","bushings-guides",8,{"id":86,"name":87,"slug":88,"partCount":26},"MC-PP","Platens","platens",{"id":90,"name":91,"slug":92,"partCount":70},"MC-TL","Toggle & Links","toggle-links",{"id":94,"name":95,"slug":96,"partCount":21},"MC-CC","Clamping Components","clamping",{"id":98,"name":99,"slug":100,"partCount":21},"MC-GMP","Tools & Accessories","tools-accessories",{"id":102,"name":103,"slug":104,"partCount":21},"MC-ES","End Caps & Plates","end-caps",{"id":106,"name":107,"slug":108,"partCount":26},"MC-SR","Seals & Rings","seals-rings",{"id":110,"name":111,"slug":112,"partCount":113},"MC-JM","Joints & Mounts","joints-mounts",3,{"id":115,"name":116,"slug":117,"partCount":26},"MC-SG","Safety Guards","safety-guards",{"id":119,"name":120,"slug":121,"partCount":26},"MC-CR","Clamping Mechanism","clamping-mechanism",{"id":123,"name":124,"slug":125,"description":126,"partCount":113,"subcategories":127},"O","Other Components","other","Additional components including filters, cooling systems, lubrication parts, and other auxiliary equipment.",[128],{"id":129,"name":130,"slug":131,"partCount":113},"O-TC","Filters & Cooling","filters-cooling",[133,143,161,172,180,188,194,200,205],{"id":134,"name":135,"slug":134,"series":136,"partCount":142},"haitian","Haitian International",[137,138,139,140,141],"Mars Series (MA)","Jupiter Series (JU)","Zhafir Venus Series (VE)","Zhafir Zeres Series (ZE)","Zhafir Jeres Series (JE)",68,{"id":144,"name":145,"slug":144,"series":146,"partCount":160},"yizumi","Yizumi",[147,148,149,150,151,152,153,154,155,156,157,158,159],"A6 Series","A5-EU Series","A5-N Series","SKIII Series","DP Series","D1 Series","FF Series","FF-M Series","P Series","CG-P Series","VM Series","SPET Series","LSR Series",12,{"id":162,"name":163,"slug":162,"series":164,"partCount":171},"chen-hsong","Chen Hsong",[165,166,167,168,169,170],"JETMASTER MK Series","JETMASTER SVP Series","SUPERMASTER Series","EASYMASTER Series","SPARK Series","JETMASTER C2 Series",10,{"id":173,"name":174,"slug":173,"series":175,"partCount":179},"tederic","Tederic",[176,177,178],"NEO Series","D Series (Two-Platen)","DE Series (All-Electric)",0,{"id":181,"name":182,"slug":181,"series":183,"partCount":179},"borch","Borch",[184,185,186,187],"BU Series (Two-Platen)","BS-III Series (Servo)","BE Series (All-Electric)","BM Series (Multi-color)",{"id":189,"name":190,"slug":189,"series":191,"partCount":179},"log-machine","LOG Machine",[192,193],"LOG-SE Series","LOG-EE Series (All-Electric)",{"id":195,"name":196,"slug":195,"series":197,"partCount":179},"donghua","Donghua",[198,199],"DH Series (Servo)","DH-TP Series (Two-Platen)",{"id":201,"name":202,"slug":201,"series":203,"partCount":179},"sunbun","Sunbun",[204],"Sunbun Servo Series",{"id":206,"name":207,"slug":206,"series":208,"partCount":179},"lijin","L.K. Machinery (Lijin)",[209,210,211],"POTENZA Series","FORZA Series (Two-Platen)","ELETTRICA Series (All-Electric)",[213,217,221,225,228,231,235,238,242,248,251],{"id":214,"number":26,"name":215,"role":216,"partCount":21},"clamp-cylinder","Clamping cylinder","The hydraulic cylinder behind the rear platen. It drives the crosshead that straightens the toggle links, which opens and closes the mold and builds the clamping force.",{"id":218,"number":21,"name":219,"role":220,"partCount":50},"toggle","Toggle mechanism","Links, pins and bushings between the rear and moving platens. They multiply the force of the clamping cylinder and lock the mold shut while plastic is injected.",{"id":222,"number":113,"name":223,"role":224,"partCount":113},"ejector","Ejector","A small cylinder behind the moving platen that pushes the ejector rods and plate forward to release the finished part from the mold.",{"id":78,"number":16,"name":226,"role":227,"partCount":40},"Tie bars & bushings","Four steel columns that join the platens, guide the moving platen and carry the clamping force. Tie bar nuts lock them in place; bushings guide the moving platen along them.",{"id":88,"number":70,"name":229,"role":230,"partCount":21},"Platens & mold plates","The fixed and moving platens carry the two halves of the mold; the rear platen anchors the toggle. Locating rings and clamping plates center and hold the mold.",{"id":232,"number":50,"name":233,"role":234,"partCount":50},"barrel-screw","Barrel, screw & nozzle","The screw turns inside the heated barrel to melt and mix the plastic, then moves forward to inject it through the nozzle into the mold. The screw tip and check ring stop melt from flowing back.",{"id":30,"number":79,"name":236,"role":237,"partCount":113},"Heater bands & sensors","Heater bands around the barrel and nozzle melt the plastic. Thermocouples measure each heating zone so the controller can hold the set temperature.",{"id":239,"number":84,"name":240,"role":241,"partCount":79},"injection-unit","Injection unit","Injection cylinders push the screw forward, the hydraulic (plasticizing) motor turns it, and the carriage moves the unit against the mold on its guide rails.",{"id":243,"number":244,"name":245,"role":246,"partCount":247},"hydraulics",9,"Hydraulic unit","The pump, motor, valves, accumulator, filters and oil cooler in the machine base. They supply and control the oil pressure for every movement of the machine.",16,{"id":8,"number":171,"name":249,"role":250,"partCount":244},"Electrical cabinet","The controller, I\u002FO and drive boards, servo drives, contactors and safety switches that run and protect the machine.",{"id":252,"number":10,"name":253,"role":254,"partCount":21},"feet","Machine feet","Leveling bolts and anti-vibration pads under the machine base that keep the machine level and stop vibration spreading to the floor.",{"parts":256,"subcategories":257},70,23,{"id":259,"title":260,"body":261,"description":522,"diagram":523,"extension":524,"faq":525,"item":538,"lastModified":539,"meta":540,"navigation":541,"order":16,"parts":542,"path":544,"seo":545,"seoTitle":546,"short":547,"stem":548,"__hash__":549},"guides\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fpiston-pump.md","Piston pump of an injection molding machine",{"type":262,"value":263,"toc":511},"minimark",[264,273,278,301,304,308,311,325,328,332,339,343,360,387,391,411,415,463,467,485,489],[265,266,267,268,272],"p",{},"A piston pump on an injection molding machine is usually a ",[269,270,271],"strong",{},"variable-displacement axial piston pump",": pistons in a rotating cylinder block stroke against a tilted swashplate, and the swashplate angle sets how much oil the pump delivers. Because it reduces its own flow when the machine needs less, it wastes less energy than a fixed pump whose surplus oil goes back to the tank over a valve. The Yuken A and ARL1 series are common examples.",[274,275,277],"h2",{"id":276},"how-an-axial-piston-pump-works","How an axial piston pump works",[265,279,280,281,284,285,288,289,292,293,296,297,300],{},"The drive shaft turns a ",[269,282,283],{},"cylinder block"," holding a ring of ",[269,286,287],{},"pistons",". Each piston ends in a ",[269,290,291],{},"shoe"," that slides on the ",[269,294,295],{},"swashplate",", a plate set at an angle to the shaft. As the block turns, the tilt makes each piston move out of its bore for half a revolution, drawing oil in through the suction port of the ",[269,298,299],{},"valve plate",", and back in for the other half, pushing the oil out through the pressure port.",[265,302,303],{},"The stroke of the pistons depends on the swashplate angle. A large angle gives a long stroke and full flow; as the angle approaches zero, the flow approaches zero. A spring holds the swashplate at its largest angle, and a control piston, fed by the pump's control valve, pushes it back to reduce the flow.",[274,305,307],{"id":306},"pump-controls","Pump controls",[265,309,310],{},"The control valve mounted on the side of the pump decides when the swashplate moves:",[312,313,314,322],"ul",{},[315,316,317,318,321],"li",{},"A ",[269,319,320],{},"pressure compensator"," keeps full flow until the outlet pressure reaches its setting, then reduces the displacement so the pump delivers only what is needed to hold that pressure. During hold pressure and cooling it delivers almost no flow.",[315,323,324],{},"Other controls add a remote pressure setting, two pressure levels switched by a solenoid, or electro-hydraulic control of both pressure and flow from the machine controller.",[265,326,327],{},"Pumps of the same size with different controls are not interchangeable, so the control is always part of the model code.",[274,329,331],{"id":330},"the-case-drain","The case drain",[265,333,334,335,338],{},"Some oil leaks past the pistons, shoes and valve plate on purpose: it lubricates them and carries heat away. It collects in the pump housing and returns to the tank through a separate ",[269,336,337],{},"case drain"," line. Pump makers generally require this line to run to the tank on its own, ending below the oil level, without filters or valves that could restrict it, and the housing must be filled with oil before the first start. A restricted case drain raises the pressure in the housing and can push out the shaft seal.",[274,340,342],{"id":341},"the-piston-pumps-we-supply","The piston pumps we supply",[265,344,345,346,351,352,355,356,359],{},"Our ",[347,348,350],"a",{"href":349},"\u002Fparts\u002Fhy-pw-07\u002F","piston pump"," listing covers the ",[269,353,354],{},"Yuken A series",", from A10 to A145, and the smaller ",[269,357,358],{},"ARL1"," pumps (6 to 16 cm³\u002Frev in our list, rated to 7 MPa), together with the AR16 and AR22. They are listed for Haitian MA and Jupiter series and Chen Hsong SM series machines.",[265,361,362,363,366,367,370,371,374,375,378,379,382,383,386],{},"In a Yuken A code such as ",[269,364,365],{},"A56-F-R-01-C-S-K-32",", ",[269,368,369],{},"A56"," is the series and the maximum displacement in cm³\u002Frev, ",[269,372,373],{},"F"," is flange mounting (",[269,376,377],{},"L"," is foot mounting), ",[269,380,381],{},"R"," is the direction of rotation, ",[269,384,385],{},"01"," is the control type, the next letter gives the pressure adjustment range, and the remaining characters give options and the design number. Copy the full code from the nameplate when you order.",[274,388,390],{"id":389},"signs-of-wear-or-failure","Signs of wear or failure",[312,392,393,396,399,402,405,408],{},[315,394,395],{},"Pressure that hunts or will not settle, or a pump that does not reduce its flow during hold (control fault).",[315,397,398],{},"Slower movements at the same settings.",[315,400,401],{},"A louder whine, rattle or vibration.",[315,403,404],{},"The housing running hotter than usual, and more oil coming out of the case drain.",[315,406,407],{},"Oil leaking at the shaft seal.",[315,409,410],{},"Metal particles in the suction filter or on the drain plug magnet.",[274,412,414],{"id":413},"why-piston-pumps-fail","Why piston pumps fail",[312,416,417,428,434,440,446,452],{},[315,418,419,422,423,427],{},[269,420,421],{},"Dirty oil."," The clearances between pistons and bores, shoes and swashplate, and cylinder block and valve plate are small. Particles score them quickly, and fine dirt makes the control valve stick. Piston pumps are less tolerant of dirty oil than vane or gear pumps; see the ",[347,424,426],{"href":425},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Foil-filter\u002F","oil filter",".",[315,429,430,433],{},[269,431,432],{},"Dry start."," A housing that was not filled with oil damages the shoes and bearings soon after start-up.",[315,435,436,439],{},[269,437,438],{},"Restricted case drain."," Pressure in the housing damages the shaft seal and the shoes.",[315,441,442,445],{},[269,443,444],{},"Cavitation."," A blocked suction filter, low oil level or cold oil starves the pistons.",[315,447,448,451],{},[269,449,450],{},"Overheated oil."," Thin oil leaks more and lubricates the shoes less.",[315,453,454,457,458,462],{},[269,455,456],{},"Misalignment."," A worn ",[347,459,461],{"href":460},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fpump-coupling\u002F","pump coupling"," loads the shaft bearings.",[274,464,466],{"id":465},"inspecting-repairing-and-replacing","Inspecting, repairing and replacing",[468,469,470,473,476,479,482],"ol",{},[315,471,472],{},"Check the outlet pressure with a calibrated gauge and compare it with the setting in the machine manual.",[315,474,475],{},"Measure the case drain flow under load with a flow meter or a measuring container, following the pump maker's procedure. Compare it with the maker's limit or with a figure recorded when the pump was new.",[315,477,478],{},"A worn pump can be rebuilt by a hydraulic workshop: pistons and shoes, cylinder block, valve plate, swashplate, bearings and seals.",[315,480,481],{},"When fitting a new or rebuilt pump, fill the housing with clean oil through the highest drain port, connect the case drain directly to the tank, check the direction of rotation and start it unloaded.",[315,483,484],{},"Set the pressure control to the values in the machine manual, and change the filters.",[274,486,488],{"id":487},"what-to-send-for-a-replacement-quote","What to send for a replacement quote",[265,490,491,492,496,497,501,502,506,507,427],{},"The full model code from the nameplate, including the control type, plus the machine model and serial number and photos of the pump, its control valve, shaft, flange and ports. For the differences with other types, see ",[347,493,495],{"href":494},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fhydraulic-pump\u002F","hydraulic pump types"," and ",[347,498,500],{"href":499},"\u002Fblog\u002Fvane-pump-vs-piston-pump-injection-molding\u002F","vane pump vs piston pump",". Then ",[347,503,505],{"href":504},"\u002Frequest-quote\u002F","request a quote",". For the rest of the circuit, see the ",[347,508,510],{"href":509},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002F","hydraulic system guide",{"title":512,"searchDepth":21,"depth":21,"links":513},"",[514,515,516,517,518,519,520,521],{"id":276,"depth":21,"text":277},{"id":306,"depth":21,"text":307},{"id":330,"depth":21,"text":331},{"id":341,"depth":21,"text":342},{"id":389,"depth":21,"text":390},{"id":413,"depth":21,"text":414},{"id":465,"depth":21,"text":466},{"id":487,"depth":21,"text":488},"How the variable axial piston pump of an injection molding machine works: pressure control, case drain, Yuken A and ARL1 codes, signs of wear and replacement.","power-unit","md",[526,529,532,535],{"question":527,"answer":528},"What is the advantage of a variable piston pump on an injection molding machine?","It delivers only the flow the machine needs. When the pressure reaches the set value, the pump reduces its displacement instead of sending surplus oil over a relief valve, which saves energy and heats the oil less than a fixed pump.",{"question":530,"answer":531},"Why does a piston pump have a case drain?","A small amount of oil leaks past the pistons and the valve plate to lubricate them and collects in the pump housing. The case drain line returns it to the tank; if the line is restricted, pressure builds in the housing and can damage the shaft seal and the pump.",{"question":533,"answer":534},"How do I check a piston pump for wear?","Compare the outlet pressure with the setting, and measure the case drain flow under load. A case drain flow that has grown compared with a new pump shows internal wear; the pump maker gives the acceptable limit.",{"question":536,"answer":537},"What does A56 mean in a Yuken pump code?","In the Yuken A series, the number after the A is the maximum displacement in cm³ per revolution, so an A56 delivers up to about 56 cm³ each revolution. The letters and numbers that follow give the mounting, direction of rotation, control type and pressure range.","pump","2026-11-01",{},true,[543],"HY-PW-07","\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fpiston-pump",{"title":260,"description":522},"Piston Pump for Injection Molding Machines: Function, Faults","Piston pump","injection-molding-machine-parts\u002Fhydraulics\u002Fpiston-pump","no-1j--RSQ3pEs62OjxMphOIJMK3IkrHAIXIlucgBUc",[551,555,559,563,567,571,575,579,583,587,591,595,599,603,607,611,615,619,623,627,631,635],{"path":552,"title":553,"short":554},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fhydraulic-circuit","Hydraulic circuit of an injection molding machine","Hydraulic circuit",{"path":556,"title":557,"short":558},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fhydraulic-pump","Hydraulic pump of an injection molding machine","Hydraulic pump types",{"path":560,"title":561,"short":562},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fvane-pump","Vane pump of an injection molding machine","Vane pump",{"path":564,"title":565,"short":566},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fgear-pump","Gear pump of an injection molding machine","Gear pump",{"path":568,"title":569,"short":570},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fservo-pump","Servo pump system of an injection molding machine","Servo pump system",{"path":572,"title":573,"short":574},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fpump-coupling","Pump coupling and bell housing of an injection molding machine","Pump coupling",{"path":576,"title":577,"short":578},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fpower-unit","Hydraulic power unit of an injection molding machine","Hydraulic power unit",{"path":580,"title":581,"short":582},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fdirectional-valve","Solenoid directional valve of an injection molding machine","Directional valve",{"path":584,"title":585,"short":586},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fproportional-valve","Proportional valve of an injection molding machine","Proportional valve",{"path":588,"title":589,"short":590},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fcartridge-valve","Cartridge valve of an injection molding machine","Cartridge valve",{"path":592,"title":593,"short":594},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fhydraulic-check-valve","Hydraulic check valve of an injection molding machine","Hydraulic check valve",{"path":596,"title":597,"short":598},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Frelief-valve","Relief valve of an injection molding machine","Relief valve",{"path":600,"title":601,"short":602},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fvalve-manifold","Valve manifold of an injection molding machine","Valve manifold",{"path":604,"title":605,"short":606},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Faccumulator","Accumulator of an injection molding machine","Accumulator",{"path":608,"title":609,"short":610},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fhydraulic-oil","Hydraulic oil for injection molding machines","Hydraulic oil",{"path":612,"title":613,"short":614},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Foil-temperature","Oil temperature of an injection molding machine","Oil temperature",{"path":616,"title":617,"short":618},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Foil-filter","Hydraulic oil filter of an injection molding machine","Oil filter",{"path":620,"title":621,"short":622},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Foil-cooler","Oil cooler (heat exchanger) of an injection molding machine","Oil cooler",{"path":624,"title":625,"short":626},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Foil-tank","Hydraulic oil tank of an injection molding machine","Oil tank",{"path":628,"title":629,"short":630},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fcooling-water-manifold","Cooling water manifold of an injection molding machine","Cooling water manifold",{"path":632,"title":633,"short":634},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fpressure-gauge","Hydraulic pressure gauge of an injection molding machine","Pressure gauge",{"path":636,"title":637,"short":638},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fpressure-transducer","Pressure transducer of an injection molding machine","Pressure transducer",{"diagram":640},"hydraulic-system",{"diagram":642},{"title":643,"description":644,"base":645,"labels":654,"items":663},"Parts of a hydraulic power unit","Line drawing of a hydraulic pump unit on its oil tank, and the hydraulic motor that turns the screw at the back of the injection unit, numbered.",{"solid":646,"line":650,"hidden":652},[647,648,649],"M404 152h72v28h-72z","M434 132h22v20h-22z","M479 136h34a3 3 0 0 1 3 3v54a3 3 0 0 1 -3 3h-34a3 3 0 0 1 -3 -3v-54a3 3 0 0 1 3 -3z",[651],"M256 154L256 104L380 104",[653],"M410 166L526 166",[655,659],{"x":656,"y":657,"text":658},350,96,"TO VALVES",{"x":660,"y":661,"text":662},470,226,"SCREW DRIVE",[664,681,703,719,738,756],{"id":665,"name":666,"role":667,"parts":668,"marker":670,"shapes":674},"unit","Complete pump unit","Motor, bell housing, coupling and pump supplied together on their bracket, ready to bolt onto the tank in one piece.",[669],"HY-PW-03",[671,672,671,673],56,24,126,{"solid":675,"hidden":679},[676,677,678],"M52 232h246v6h-246z","M70 238h14v8h-14z","M258 238h14v8h-14z",[680],"M44 126h256a6 6 0 0 1 6 6v104a6 6 0 0 1 -6 6h-256a6 6 0 0 1 -6 -6v-104a6 6 0 0 1 6 -6z",{"id":682,"name":683,"role":684,"subcategory":23,"marker":685,"shapes":688},"motor","Electric motor","Drives the pump, either at constant speed (induction motor) or at the speed each phase of the cycle needs (servo motor).",[686,672,686,687],116,136,{"solid":689,"line":694},[690,691,692,693],"M48 160h4a4 4 0 0 1 4 4v50a4 4 0 0 1 -4 4h-4a4 4 0 0 1 -4 -4v-50a4 4 0 0 1 4 -4z","M64 150h104a8 8 0 0 1 8 8v60a8 8 0 0 1 -8 8h-104a8 8 0 0 1 -8 -8v-60a8 8 0 0 1 8 -8z","M98 136h36a2 2 0 0 1 2 2v10a2 2 0 0 1 -2 2h-36a2 2 0 0 1 -2 -2v-10a2 2 0 0 1 2 -2z","M64 226h104v6h-104z",[695,696,697,698,699,700,701,702],"M70 158L70 218","M83 158L83 218","M96 158L96 218","M109 158L109 218","M122 158L122 218","M135 158L135 218","M148 158L148 218","M161 158L161 218",{"id":704,"name":705,"role":706,"parts":707,"marker":709,"shapes":712},"coupling","Coupling and bell housing","The bell housing centres the pump on the motor flange; the jaw coupling inside joins the two shafts and absorbs vibration.",[708],"HY-PW-05",[710,672,710,711],201,164,{"solid":713,"hidden":716},[714,715],"M176 158L226 170L226 210L176 220Z","M190 217.2L212 212.8L212 232L190 232Z",[717,718],"M190 177h22a2 2 0 0 1 2 2v22a2 2 0 0 1 -2 2h-22a2 2 0 0 1 -2 -2v-22a2 2 0 0 1 2 -2z","M201 177L201 203",{"id":538,"name":720,"role":721,"parts":722,"marker":725,"shapes":729},"Hydraulic pump","Vane, piston or gear pump that turns the motor’s rotation into oil flow for every movement of the machine.",[723,543,724],"HY-PW-06","HY-PW-02",[726,672,727,728],306,285,172,{"solid":730,"line":734},[731,732,733],"M230 168h52a4 4 0 0 1 4 4v36a4 4 0 0 1 -4 4h-52a4 4 0 0 1 -4 -4v-36a4 4 0 0 1 4 -4z","M247 154h18a1 1 0 0 1 1 1v12a1 1 0 0 1 -1 1h-18a1 1 0 0 1 -1 -1v-12a1 1 0 0 1 1 -1z","M247 212h18a1 1 0 0 1 1 1v8a1 1 0 0 1 -1 1h-18a1 1 0 0 1 -1 -1v-8a1 1 0 0 1 1 -1z",[735,736,737],"M236 169L236 211","M276 169L276 211","M256 222L256 246",{"id":739,"name":740,"role":741,"parts":742,"marker":744,"shapes":747},"screw-motor","Plasticizing motor","Low-speed, high-torque radial piston motor at the back of the injection unit. It turns the screw that melts and meters the plastic.",[743],"HY-PW-08",[745,672,745,746],552,134,{"solid":748,"hidden":754},[749,750,751,752,753],"M518 126h6a2 2 0 0 1 2 2v76a2 2 0 0 1 -2 2h-6a2 2 0 0 1 -2 -2v-76a2 2 0 0 1 2 -2z","M534 134h36a8 8 0 0 1 8 8v48a8 8 0 0 1 -8 8h-36a8 8 0 0 1 -8 -8v-48a8 8 0 0 1 8 -8z","M581 146h14a3 3 0 0 1 3 3v34a3 3 0 0 1 -3 3h-14a3 3 0 0 1 -3 -3v-34a3 3 0 0 1 3 -3z","M599 152h6a1 1 0 0 1 1 1v6a1 1 0 0 1 -1 1h-6a1 1 0 0 1 -1 -1v-6a1 1 0 0 1 1 -1z","M599 176h6a1 1 0 0 1 1 1v6a1 1 0 0 1 -1 1h-6a1 1 0 0 1 -1 -1v-6a1 1 0 0 1 1 -1z",[755],"M534 166a18 18 0 1 0 36 0a18 18 0 1 0 -36 0z",{"id":757,"name":626,"role":758,"subcategory":129,"marker":759,"shapes":763},"tank","Reservoir under the pump unit. The pump draws its oil from it, and all returning oil flows back into it.",[760,761,760,762],120,336,304,{"solid":764,"hidden":768},[765,766,767],"M39 246h338a3 3 0 0 1 3 3v52a3 3 0 0 1 -3 3h-338a3 3 0 0 1 -3 -3v-52a3 3 0 0 1 3 -3z","M341 238h16a1 1 0 0 1 1 1v6a1 1 0 0 1 -1 1h-16a1 1 0 0 1 -1 -1v-6a1 1 0 0 1 1 -1z","M315 258h4a3 3 0 0 1 3 3v26a3 3 0 0 1 -3 3h-4a3 3 0 0 1 -3 -3v-26a3 3 0 0 1 3 -3z",[769],"M44 264L304 264",[771],{"partNumber":543,"name":772,"subcategory":56,"subcategoryName":57,"shortDescription":773,"image":774,"inStock":541,"zone":243,"compatibleMachines":775},"Hydraulic Piston Pump","Variable displacement hydraulic piston pump for high-pressure injection molding machine applications.","\u002Fpart-images\u002FHY\u002FHY-PW-07\u002FYUKEN Piston Pump\u002FWechatIMG807.jpg",[776,777,778],"Haitian MA Series","Haitian Jupiter Series","Chen Hsong SM Series",1793548983057]