[{"data":1,"prerenderedAt":725},["ShallowReactive",2],{"catalog:meta":3,"guides:page:\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fpower-unit:*":258,"guides:topics:hydraulics:\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fpower-unit:path,title,short":504,"guides:page:\u002Finjection-molding-machine-parts\u002Fhydraulics:diagram":592,"diagram:id:power-unit":594,"catalog:parts::HY-PW-03":718},{"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":476,"diagram":477,"extension":478,"faq":479,"item":492,"lastModified":493,"meta":494,"navigation":495,"order":84,"parts":496,"path":498,"seo":499,"seoTitle":500,"short":501,"stem":502,"__hash__":503},"guides\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fpower-unit.md","Hydraulic power unit of an injection molding machine",{"type":262,"value":263,"toc":462},"minimark",[264,268,273,276,281,290,294,302,306,313,317,324,328,341,345,361,364,368,387,395,399,432,436,450],[265,266,267],"p",{},"The hydraulic power unit is the part of an injection molding machine that produces the oil flow: an electric motor, a bell housing and coupling, and a hydraulic pump, mounted together on the oil tank, usually inside the machine base. Its oil goes to the valves, and from there to the cylinders and to the hydraulic plasticizing motor that turns the screw. When the motor, coupling and pump all need attention, the complete pump unit can be replaced in one piece.",[269,270,272],"h2",{"id":271},"what-a-hydraulic-power-unit-includes","What a hydraulic power unit includes",[265,274,275],{},"The numbered drawing shows the pump unit on its tank, with the pressure line to the valves and the screw drive at the back of the injection unit.",[277,278,280],"h3",{"id":279},"complete-pump-unit","Complete pump unit",[265,282,283,284,289],{},"The motor, bell housing, coupling and pump assembled on their bracket, ready to bolt onto the tank. Our ",[285,286,288],"a",{"href":287},"\u002Fparts\u002Fhy-pw-03\u002F","hydraulic power unit \u002F pump assembly"," is supplied this way, with a three-phase induction motor or a servo motor, and is listed for Haitian MA and Jupiter series machines.",[277,291,293],{"id":292},"electric-motor","Electric motor",[265,295,296,297,301],{},"The motor drives the pump either at constant speed (a three-phase induction motor) or at the speed each phase of the cycle needs (a servo motor with its drive). See the ",[285,298,300],{"href":299},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fservo-pump\u002F","servo pump system",".",[277,303,305],{"id":304},"coupling-and-bell-housing","Coupling and bell housing",[265,307,308,309,301],{},"The bell housing centers the pump on the motor flange, and the jaw coupling inside joins the two shafts and absorbs vibration. See the ",[285,310,312],{"href":311},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fpump-coupling\u002F","pump coupling",[277,314,316],{"id":315},"hydraulic-pump","Hydraulic pump",[265,318,319,320,301],{},"A vane, piston or gear pump turns the motor's rotation into oil flow for every movement of the machine. See ",[285,321,323],{"href":322},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fhydraulic-pump\u002F","hydraulic pump types",[277,325,327],{"id":326},"plasticizing-motor","Plasticizing motor",[265,329,330,331,335,336,340],{},"The low-speed, high-torque radial piston motor at the back of the injection unit is not part of the pump unit, but it is one of its main consumers: it turns the screw that melts and meters the plastic. See the ",[285,332,334],{"href":333},"\u002Finjection-molding-machine-parts\u002Finjection-unit\u002Fplasticizing-motor\u002F","plasticizing motor guide"," and the ",[285,337,339],{"href":338},"\u002Fparts\u002Fhy-pw-08\u002F","NHM plasticizing motor"," we supply.",[277,342,344],{"id":343},"oil-tank","Oil tank",[265,346,347,348,352,353,335,357,301],{},"The reservoir under the pump unit. The pump draws its oil from it through the suction filter, and all returning oil flows back into it, usually through the oil cooler. See the ",[285,349,351],{"href":350},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Foil-tank\u002F","oil tank",", the ",[285,354,356],{"href":355},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Foil-filter\u002F","oil filter",[285,358,360],{"href":359},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Foil-cooler\u002F","oil cooler",[265,362,363],{},"Large machines often have two or more pump units whose flows are combined for fast movements. When you order a part, say which unit it is for.",[269,365,367],{"id":366},"signs-of-a-power-unit-problem","Signs of a power unit problem",[369,370,371,375,378,381,384],"ul",{},[372,373,374],"li",{},"More noise or vibration from the pump unit than usual.",[372,376,377],{},"Low pressure, slow movements or longer cycles.",[372,379,380],{},"The motor or pump running hot, or the motor overload tripping.",[372,382,383],{},"Oil leaks around the pump, the suction connection or the pump flange.",[372,385,386],{},"Foam in the tank, or an oil level that keeps dropping.",[265,388,389,390,394],{},"The cause can be the pump, the coupling, the motor or the suction side. Check the oil level, the suction filter and the suction valve first, then measure the pressure at the pump outlet; our guide to ",[285,391,393],{"href":392},"\u002Fblog\u002Ftroubleshooting-hydraulic-pressure-loss\u002F","troubleshooting hydraulic pressure loss"," explains the tests. Measuring the motor current tells an electrician whether the motor itself is overloaded.",[269,396,398],{"id":397},"replacing-a-complete-pump-motor-assembly","Replacing a complete pump-motor assembly",[400,401,402,405,408,411,414,417,420,423,426,429],"ol",{},[372,403,404],{},"Switch off and lock out the motor supply. On a servo unit, wait for the drive to discharge as its manual requires.",[372,406,407],{},"Relieve the pressure in the circuit, including the accumulator through its safety block, and close the suction valve if one is fitted.",[372,409,410],{},"Disconnect the suction, pressure and drain lines, and cap them and the pump ports at once to keep dirt out.",[372,412,413],{},"Mark and disconnect the motor cables; on a servo motor also the encoder and fan connections.",[372,415,416],{},"Lift the old unit out with suitable lifting gear at its lifting points.",[372,418,419],{},"Set the new unit on its mounts, and fit a new seal on the suction connection: an air leak on the suction side causes noise and cavitation.",[372,421,422],{},"Fill the pump with clean oil; a piston pump's case must be filled through its drain port.",[372,424,425],{},"Connect the motor, open the suction valve, and check the direction of rotation against the arrow on the pump.",[372,427,428],{},"Start unloaded, bleed the air, and check for leaks and unusual noise before loading the circuit.",[372,430,431],{},"Change the filters, then check the pressures with a gauge against the machine manual.",[269,433,435],{"id":434},"what-to-send-for-a-replacement-quote","What to send for a replacement quote",[400,437,438,441,444,447],{},[372,439,440],{},"The machine brand, model, serial number and clamping force.",[372,442,443],{},"The motor nameplate: power, voltage, frequency, speed and frame size. For a servo motor, also the drive model.",[372,445,446],{},"The pump model code from its nameplate.",[372,448,449],{},"Photos of the whole unit, its bracket and mounting holes, and the suction, pressure and drain connections, with the main dimensions.",[265,451,452,453,457,458,301],{},"Then ",[285,454,456],{"href":455},"\u002Frequest-quote\u002F","request a quote",", or see how the unit fits into the rest of the ",[285,459,461],{"href":460},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002F","hydraulic system",{"title":463,"searchDepth":21,"depth":21,"links":464},"",[465,473,474,475],{"id":271,"depth":21,"text":272,"children":466},[467,468,469,470,471,472],{"id":279,"depth":113,"text":280},{"id":292,"depth":113,"text":293},{"id":304,"depth":113,"text":305},{"id":315,"depth":113,"text":316},{"id":326,"depth":113,"text":327},{"id":343,"depth":113,"text":344},{"id":366,"depth":21,"text":367},{"id":397,"depth":21,"text":398},{"id":434,"depth":21,"text":435},"What the hydraulic power unit of an injection molding machine includes (motor, coupling, pump, tank), common faults, and replacing a complete pump-motor unit.","power-unit","md",[480,483,486,489],{"question":481,"answer":482},"What is the hydraulic power unit of an injection molding machine?","It is the motor, bell housing, coupling and pump assembly mounted on the oil tank, with the filters and cooler around it. It turns electrical power into the oil flow that drives every hydraulic movement of the machine.",{"question":484,"answer":485},"Should I replace the complete pump unit or just the pump?","If only the pump is worn and the motor, coupling and bell housing are good, replacing the pump is enough. A complete pump-motor assembly makes sense when several of its parts are worn, or when you want the unit delivered assembled on its bracket.",{"question":487,"answer":488},"Why is there a valve on the pump suction line?","Many tanks have a shut-off valve between the tank and the pump suction so the pump can be removed without draining the oil. It must be fully open before the motor starts, otherwise the pump runs without oil and is quickly damaged.",{"question":490,"answer":491},"How many pump units does an injection molding machine have?","Small and medium machines usually have one. Large machines often have two or more pump units whose flows are combined for fast movements.","unit","2026-11-01",{},true,[497],"HY-PW-03","\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fpower-unit",{"title":260,"description":476},"Hydraulic Power Unit of an Injection Molding Machine","Hydraulic power unit","injection-molding-machine-parts\u002Fhydraulics\u002Fpower-unit","8egaamGrRbkmE14H4TeSmu3gJSsrC8fLQWCY0tHF4yQ",[505,509,513,517,521,525,529,533,537,541,545,549,553,557,561,565,569,573,577,580,584,588],{"path":506,"title":507,"short":508},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fhydraulic-circuit","Hydraulic circuit of an injection molding machine","Hydraulic circuit",{"path":510,"title":511,"short":512},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fhydraulic-pump","Hydraulic pump of an injection molding machine","Hydraulic pump types",{"path":514,"title":515,"short":516},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fvane-pump","Vane pump of an injection molding machine","Vane pump",{"path":518,"title":519,"short":520},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fpiston-pump","Piston pump of an injection molding machine","Piston pump",{"path":522,"title":523,"short":524},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fgear-pump","Gear pump of an injection molding machine","Gear pump",{"path":526,"title":527,"short":528},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fservo-pump","Servo pump system of an injection molding machine","Servo pump system",{"path":530,"title":531,"short":532},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fpump-coupling","Pump coupling and bell housing of an injection molding machine","Pump coupling",{"path":534,"title":535,"short":536},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fdirectional-valve","Solenoid directional valve of an injection molding machine","Directional valve",{"path":538,"title":539,"short":540},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fproportional-valve","Proportional valve of an injection molding machine","Proportional valve",{"path":542,"title":543,"short":544},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fcartridge-valve","Cartridge valve of an injection molding machine","Cartridge valve",{"path":546,"title":547,"short":548},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fhydraulic-check-valve","Hydraulic check valve of an injection molding machine","Hydraulic check valve",{"path":550,"title":551,"short":552},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Frelief-valve","Relief valve of an injection molding machine","Relief valve",{"path":554,"title":555,"short":556},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fvalve-manifold","Valve manifold of an injection molding machine","Valve manifold",{"path":558,"title":559,"short":560},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Faccumulator","Accumulator of an injection molding machine","Accumulator",{"path":562,"title":563,"short":564},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fhydraulic-oil","Hydraulic oil for injection molding machines","Hydraulic oil",{"path":566,"title":567,"short":568},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Foil-temperature","Oil temperature of an injection molding machine","Oil temperature",{"path":570,"title":571,"short":572},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Foil-filter","Hydraulic oil filter of an injection molding machine","Oil filter",{"path":574,"title":575,"short":576},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Foil-cooler","Oil cooler (heat exchanger) of an injection molding machine","Oil cooler",{"path":578,"title":579,"short":344},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Foil-tank","Hydraulic oil tank of an injection molding machine",{"path":581,"title":582,"short":583},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fcooling-water-manifold","Cooling water manifold of an injection molding machine","Cooling water manifold",{"path":585,"title":586,"short":587},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fpressure-gauge","Hydraulic pressure gauge of an injection molding machine","Pressure gauge",{"path":589,"title":590,"short":591},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fpressure-transducer","Pressure transducer of an injection molding machine","Pressure transducer",{"diagram":593},"hydraulic-system",{"diagram":595},{"title":596,"description":597,"base":598,"labels":607,"items":616},"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":599,"line":603,"hidden":605},[600,601,602],"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",[604],"M256 154L256 104L380 104",[606],"M410 166L526 166",[608,612],{"x":609,"y":610,"text":611},350,96,"TO VALVES",{"x":613,"y":614,"text":615},470,226,"SCREW DRIVE",[617,631,652,667,687,704],{"id":492,"name":280,"role":618,"parts":619,"marker":620,"shapes":624},"Motor, bell housing, coupling and pump supplied together on their bracket, ready to bolt onto the tank in one piece.",[497],[621,622,621,623],56,24,126,{"solid":625,"hidden":629},[626,627,628],"M52 232h246v6h-246z","M70 238h14v8h-14z","M258 238h14v8h-14z",[630],"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":632,"name":293,"role":633,"subcategory":23,"marker":634,"shapes":637},"motor","Drives the pump, either at constant speed (induction motor) or at the speed each phase of the cycle needs (servo motor).",[635,622,635,636],116,136,{"solid":638,"line":643},[639,640,641,642],"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",[644,645,646,647,648,649,650,651],"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":653,"name":305,"role":654,"parts":655,"marker":657,"shapes":660},"coupling","The bell housing centres the pump on the motor flange; the jaw coupling inside joins the two shafts and absorbs vibration.",[656],"HY-PW-05",[658,622,658,659],201,164,{"solid":661,"hidden":664},[662,663],"M176 158L226 170L226 210L176 220Z","M190 217.2L212 212.8L212 232L190 232Z",[665,666],"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":668,"name":316,"role":669,"parts":670,"marker":674,"shapes":678},"pump","Vane, piston or gear pump that turns the motor’s rotation into oil flow for every movement of the machine.",[671,672,673],"HY-PW-06","HY-PW-07","HY-PW-02",[675,622,676,677],306,285,172,{"solid":679,"line":683},[680,681,682],"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",[684,685,686],"M236 169L236 211","M276 169L276 211","M256 222L256 246",{"id":688,"name":327,"role":689,"parts":690,"marker":692,"shapes":695},"screw-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.",[691],"HY-PW-08",[693,622,693,694],552,134,{"solid":696,"hidden":702},[697,698,699,700,701],"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",[703],"M534 166a18 18 0 1 0 36 0a18 18 0 1 0 -36 0z",{"id":705,"name":344,"role":706,"subcategory":129,"marker":707,"shapes":711},"tank","Reservoir under the pump unit. The pump draws its oil from it, and all returning oil flows back into it.",[708,709,708,710],120,336,304,{"solid":712,"hidden":716},[713,714,715],"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",[717],"M44 264L304 264",[719],{"partNumber":497,"name":720,"subcategory":56,"subcategoryName":57,"shortDescription":721,"inStock":495,"zone":243,"compatibleMachines":722},"Hydraulic Power Unit \u002F Oil Pump Assembly","Complete hydraulic pump motor assembly for injection molding machine power unit.",[723,724],"Haitian MA Series","Haitian Jupiter Series",1793548983214]