[{"data":1,"prerenderedAt":773},["ShallowReactive",2],{"catalog:meta":3,"guides:page:\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fpump-coupling:*":258,"guides:topics:hydraulics:\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fpump-coupling:path,title,short":546,"guides:page:\u002Finjection-molding-machine-parts\u002Fhydraulics:diagram":635,"diagram:id:power-unit":637,"catalog:parts::HY-PW-05":766},{"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":518,"diagram":519,"extension":520,"faq":521,"item":534,"lastModified":535,"meta":536,"navigation":537,"order":79,"parts":538,"path":540,"seo":541,"seoTitle":542,"short":543,"stem":544,"__hash__":545},"guides\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fpump-coupling.md","Pump coupling and bell housing of an injection molding machine",{"type":262,"value":263,"toc":507},"minimark",[264,277,282,287,290,294,297,321,330,338,342,390,394,420,424,448,456,460,463,489],[265,266,267,268,272,273,276],"p",{},"The pump coupling and bell housing join the hydraulic pump of an injection molding machine to its electric motor. The ",[269,270,271],"strong",{},"bell housing"," is a cast adapter that bolts to the motor flange on one side and to the pump flange on the other, holding the two shafts in line. The ",[269,274,275],{},"flexible jaw coupling"," inside it connects the shafts, carries the torque, and absorbs vibration and small misalignment. On the drawing, it is the cone-shaped housing between the motor and the pump.",[278,279,281],"h2",{"id":280},"how-the-coupling-and-bell-housing-work","How the coupling and bell housing work",[283,284,286],"h3",{"id":285},"bell-housing","Bell housing",[265,288,289],{},"Each end of the bell housing has a machined spigot (register) that fits the centering diameter of the motor flange and the pilot of the pump flange. Those two fits, and the flatness of the flange faces, put the pump shaft on the same axis as the motor shaft. The bell housing also carries the weight of the pump on many machines and keeps fingers away from the rotating coupling. The bell housings we supply are cast iron or ductile iron.",[283,291,293],{"id":292},"jaw-coupling","Jaw coupling",[265,295,296],{},"The coupling has three parts:",[298,299,300,308,314],"ul",{},[301,302,303,304,307],"li",{},"a ",[269,305,306],{},"hub on the motor shaft",", fixed with a parallel key and a set screw;",[301,309,303,310,313],{},[269,311,312],{},"hub on the pump shaft",", fixed with a key or, on many pumps, an SAE spline;",[301,315,316,317,320],{},"an ",[269,318,319],{},"elastomer insert"," (the spider, often called a plum insert for its shape) that sits between the jaws of the two hubs.",[265,322,323,324,329],{},"The jaws push on the insert, which carries the torque in compression, damps shocks from pressure changes and allows a small amount of angular, parallel and axial misalignment. It is not meant to correct a misaligned assembly: that is the bell housing's job. The same type of plum coupling is used between servo motors and pumps on ",[325,326,328],"a",{"href":327},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fservo-pump\u002F","servo pump systems",".",[265,331,332,333,337],{},"See the ",[325,334,336],{"href":335},"\u002Fparts\u002Fhy-pw-05\u002F","pump coupling and bell housing"," we supply, listed for Haitian MA and Jupiter series machines.",[278,339,341],{"id":340},"signs-of-wear-or-failure","Signs of wear or failure",[298,343,344,351,357,364,375,381,387],{},[301,345,346,347,350],{},"A ",[269,348,349],{},"knock"," when the motor starts or stops, or when the pressure changes suddenly.",[301,352,353,356],{},[269,354,355],{},"Rubber dust"," or pieces of the insert inside or under the bell housing.",[301,358,359,360,363],{},"More ",[269,361,362],{},"vibration"," and noise at the bell housing than before.",[301,365,366,367,370,371,374],{},"Repeated ",[269,368,369],{},"pump shaft seal leaks"," or early pump or motor ",[269,372,373],{},"bearing failures",", which point to misalignment or axial load on the shaft.",[301,376,346,377,380],{},[269,378,379],{},"hub loose on its shaft",": worn key or keyway, worn spline, or rust from fretting.",[301,382,383,386],{},[269,384,385],{},"Cracks"," in the bell housing or loose flange bolts.",[301,388,389],{},"The motor runs but the pump delivers nothing: the insert has broken up or a hub has slipped.",[278,391,393],{"id":392},"why-couplings-and-bell-housings-wear","Why couplings and bell housings wear",[298,395,396,402,408,414],{},[301,397,398,401],{},[269,399,400],{},"Ageing of the insert"," from heat, oil mist and the number of starts and pressure changes.",[301,403,404,407],{},[269,405,406],{},"Misalignment",", from dirt or burrs on the flange faces, worn spigot fits or a non-original bell housing.",[301,409,410,413],{},[269,411,412],{},"Wrong axial position of the hubs",": if the gap is too small, the jaws or the insert push on the pump shaft and load its bearing; if it is too large, the jaws do not engage fully.",[301,415,416,419],{},[269,417,418],{},"Shock loads"," from pressure peaks and frequent starts.",[278,421,423],{"id":422},"inspecting-and-replacing-the-coupling","Inspecting and replacing the coupling",[425,426,427,430,433,436,439,442,445],"ol",{},[301,428,429],{},"Switch off and lock out the motor. On a servo motor, also wait for the drive to discharge.",[301,431,432],{},"Close the suction valve if the pump will be removed, relieve the pressure in the circuit and support the pump.",[301,434,435],{},"If the bell housing has an inspection opening, look at the insert through it. Otherwise remove the pump from the bell housing.",[301,437,438],{},"Inspect the insert for cracks, hardening and missing pieces, the hub jaws for wear, and the keys, keyways and splines for play.",[301,440,441],{},"Fit the hubs with their keys, set the gap between the hubs to the coupling maker's value, and secure the set screws.",[301,443,444],{},"Clean the flange faces and spigots, refit the pump, and tighten the bolts evenly in a cross pattern to the torque in the machine manual.",[301,446,447],{},"Turn the shaft by hand if you can, then run the pump and listen for knocking or vibration.",[265,449,450,451,455],{},"Fit a new insert every time the pump or motor is replaced. When fitting a new pump, see ",[325,452,454],{"href":453},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fhydraulic-pump\u002F","hydraulic pump types"," for the start-up steps.",[278,457,459],{"id":458},"what-to-measure-for-a-replacement-quote","What to measure for a replacement quote",[265,461,462],{},"Because the bell housing and coupling must match both the motor and the pump, send:",[425,464,465,471,477,483],{},[301,466,467,470],{},[269,468,469],{},"Motor side:"," the motor model or frame size, the flange centering diameter, bolt circle and number of holes, and the shaft diameter, length and key size.",[301,472,473,476],{},[269,474,475],{},"Pump side:"," the pump model code, the flange type (2-bolt or 4-bolt) and pilot diameter, and the shaft: key or spline, diameter, and for a spline the number of teeth.",[301,478,479,482],{},[269,480,481],{},"Assembly:"," the overall length of the bell housing, or the distance between the motor flange face and the pump flange face.",[301,484,485,488],{},[269,486,487],{},"Coupling:"," any size marked on the hubs, and photos of the hubs and the insert.",[265,490,491,492,496,497,501,502,506],{},"Add the machine model and serial number, then ",[325,493,495],{"href":494},"\u002Frequest-quote\u002F","request a quote",". For the complete pump-motor assembly, see the ",[325,498,500],{"href":499},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fpower-unit\u002F","hydraulic power unit",". The ",[325,503,505],{"href":504},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002F","hydraulic system guide"," shows the other parts of the circuit.",{"title":508,"searchDepth":21,"depth":21,"links":509},"",[510,514,515,516,517],{"id":280,"depth":21,"text":281,"children":511},[512,513],{"id":285,"depth":113,"text":286},{"id":292,"depth":113,"text":293},{"id":340,"depth":21,"text":341},{"id":392,"depth":21,"text":393},{"id":422,"depth":21,"text":423},{"id":458,"depth":21,"text":459},"What the pump coupling and bell housing do between the motor and pump of an injection molding machine, signs of wear, replacement steps and what to measure.","power-unit","md",[522,525,528,531],{"question":523,"answer":524},"What does the bell housing do on a hydraulic pump?","It bolts the pump to the motor flange and keeps the pump shaft centered on the motor shaft. The coupling inside then only has to carry the torque and absorb small misalignment.",{"question":526,"answer":527},"How do I know if the pump coupling is worn?","A knock when the motor starts or the pressure changes, rubber dust in or under the bell housing, more vibration at the pump and repeated pump shaft seal leaks are the typical signs. Inspect the elastomer insert and the jaws of both hubs.",{"question":529,"answer":530},"Should the coupling insert be replaced when changing the pump?","Yes, it is good practice. The insert has aged with the old pump, it costs little, and a new one lets the new pump start without play.",{"question":532,"answer":533},"What is a plum coupling?","It is a common name for a jaw coupling whose elastomer insert is shaped like a plum blossom. The insert sits between the jaws of the motor hub and the pump hub and carries the torque between them.","coupling","2026-10-31",{},true,[539],"HY-PW-05","\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fpump-coupling",{"title":260,"description":518},"Pump Coupling and Bell Housing: Function, Wear, Alignment","Pump coupling","injection-molding-machine-parts\u002Fhydraulics\u002Fpump-coupling","_MxJj4Doq2ad2yd6R_EnwIiB41HV-NXe9ZG7-y7YCow",[547,551,555,559,563,567,571,575,579,583,587,591,595,599,603,607,611,615,619,623,627,631],{"path":548,"title":549,"short":550},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fhydraulic-circuit","Hydraulic circuit of an injection molding machine","Hydraulic circuit",{"path":552,"title":553,"short":554},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fhydraulic-pump","Hydraulic pump of an injection molding machine","Hydraulic pump types",{"path":556,"title":557,"short":558},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fvane-pump","Vane pump of an injection molding machine","Vane pump",{"path":560,"title":561,"short":562},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fpiston-pump","Piston pump of an injection molding machine","Piston 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\u002Fpower-unit","Hydraulic power unit of an injection molding machine","Hydraulic power unit",{"path":576,"title":577,"short":578},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fdirectional-valve","Solenoid directional valve of an injection molding machine","Directional valve",{"path":580,"title":581,"short":582},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fproportional-valve","Proportional valve of an injection molding machine","Proportional valve",{"path":584,"title":585,"short":586},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fcartridge-valve","Cartridge valve of an injection molding machine","Cartridge valve",{"path":588,"title":589,"short":590},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fhydraulic-check-valve","Hydraulic check valve of an injection molding machine","Hydraulic check valve",{"path":592,"title":593,"short":594},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Frelief-valve","Relief valve of an injection molding machine","Relief valve",{"path":596,"title":597,"short":598},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fvalve-manifold","Valve manifold of an injection molding machine","Valve manifold",{"path":600,"title":601,"short":602},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Faccumulator","Accumulator of an injection molding machine","Accumulator",{"path":604,"title":605,"short":606},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fhydraulic-oil","Hydraulic oil for injection molding machines","Hydraulic oil",{"path":608,"title":609,"short":610},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Foil-temperature","Oil temperature of an injection molding machine","Oil temperature",{"path":612,"title":613,"short":614},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Foil-filter","Hydraulic oil filter of an injection molding machine","Oil filter",{"path":616,"title":617,"short":618},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Foil-cooler","Oil cooler (heat exchanger) of an injection molding machine","Oil cooler",{"path":620,"title":621,"short":622},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Foil-tank","Hydraulic oil tank of an injection molding machine","Oil tank",{"path":624,"title":625,"short":626},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fcooling-water-manifold","Cooling water manifold of an injection molding machine","Cooling water manifold",{"path":628,"title":629,"short":630},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fpressure-gauge","Hydraulic pressure gauge of an injection molding machine","Pressure gauge",{"path":632,"title":633,"short":634},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fpressure-transducer","Pressure transducer of an injection molding machine","Pressure transducer",{"diagram":636},"hydraulic-system",{"diagram":638},{"title":639,"description":640,"base":641,"labels":650,"items":659},"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":642,"line":646,"hidden":648},[643,644,645],"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",[647],"M256 154L256 104L380 104",[649],"M410 166L526 166",[651,655],{"x":652,"y":653,"text":654},350,96,"TO VALVES",{"x":656,"y":657,"text":658},470,226,"SCREW DRIVE",[660,677,699,713,734,752],{"id":661,"name":662,"role":663,"parts":664,"marker":666,"shapes":670},"unit","Complete pump unit","Motor, bell housing, coupling and pump supplied together on their bracket, ready to bolt onto the tank in one piece.",[665],"HY-PW-03",[667,668,667,669],56,24,126,{"solid":671,"hidden":675},[672,673,674],"M52 232h246v6h-246z","M70 238h14v8h-14z","M258 238h14v8h-14z",[676],"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":678,"name":679,"role":680,"subcategory":23,"marker":681,"shapes":684},"motor","Electric motor","Drives the pump, either at constant speed (induction motor) or at the speed each phase of the cycle needs (servo motor).",[682,668,682,683],116,136,{"solid":685,"line":690},[686,687,688,689],"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",[691,692,693,694,695,696,697,698],"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":534,"name":700,"role":701,"parts":702,"marker":703,"shapes":706},"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.",[539],[704,668,704,705],201,164,{"solid":707,"hidden":710},[708,709],"M176 158L226 170L226 210L176 220Z","M190 217.2L212 212.8L212 232L190 232Z",[711,712],"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":714,"name":715,"role":716,"parts":717,"marker":721,"shapes":725},"pump","Hydraulic pump","Vane, piston or gear pump that turns the motor’s rotation into oil flow for every movement of the machine.",[718,719,720],"HY-PW-06","HY-PW-07","HY-PW-02",[722,668,723,724],306,285,172,{"solid":726,"line":730},[727,728,729],"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",[731,732,733],"M236 169L236 211","M276 169L276 211","M256 222L256 246",{"id":735,"name":736,"role":737,"parts":738,"marker":740,"shapes":743},"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.",[739],"HY-PW-08",[741,668,741,742],552,134,{"solid":744,"hidden":750},[745,746,747,748,749],"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",[751],"M534 166a18 18 0 1 0 36 0a18 18 0 1 0 -36 0z",{"id":753,"name":622,"role":754,"subcategory":129,"marker":755,"shapes":759},"tank","Reservoir under the pump unit. The pump draws its oil from it, and all returning oil flows back into it.",[756,757,756,758],120,336,304,{"solid":760,"hidden":764},[761,762,763],"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",[765],"M44 264L304 264",[767],{"partNumber":539,"name":768,"subcategory":56,"subcategoryName":57,"shortDescription":769,"inStock":537,"zone":243,"compatibleMachines":770},"Pump Coupling & Bell Housing","Pump coupling and bell housing adapter for injection molding machine hydraulic pump drives.",[771,772],"Haitian MA Series","Haitian Jupiter Series",1793548983151]