[{"data":1,"prerenderedAt":800},["ShallowReactive",2],{"catalog:meta":3,"guides:page:\u002Finjection-molding-machine-parts\u002Fbarrel-screw\u002Fremoving-the-screw:*":258,"guides:topics:barrel-screw:\u002Finjection-molding-machine-parts\u002Fbarrel-screw\u002Fremoving-the-screw:path,title,short":559,"guides:page:\u002Finjection-molding-machine-parts\u002Fbarrel-screw:diagram":612,"diagram:id:injection-unit":613,"catalog:parts::MC-BC-02,MC-GMP-01":786},{"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":530,"diagram":531,"extension":532,"faq":533,"item":546,"lastModified":547,"meta":548,"navigation":549,"order":40,"parts":550,"path":553,"seo":554,"seoTitle":555,"short":556,"stem":557,"__hash__":558},"guides\u002Finjection-molding-machine-parts\u002Fbarrel-screw\u002Fremoving-the-screw.md","How to remove the screw from an injection molding machine",{"type":262,"value":263,"toc":521},"minimark",[264,268,277,282,328,332,413,417,420,423,437,445,449,475,479,499,503],[265,266,267],"p",{},"To remove the screw from an injection molding machine, heat the barrel to processing temperature, purge it empty, take off the nozzle and the barrel head, unscrew the screw tip while it is hot, release the screw from its drive, and then push or pull the screw out of the front of the barrel while supporting its weight. The exact method depends on the machine, so follow the machine manual; the steps below are the general sequence and the precautions that apply to most horizontal machines.",[265,269,270,271,276],{},"The screw is item 4 in the drawing. For what each part does, see the ",[272,273,275],"a",{"href":274},"\u002Finjection-molding-machine-parts\u002Fbarrel-screw\u002F","barrel and screw guide",".",[278,279,281],"h2",{"id":280},"before-you-start","Before you start",[283,284,285,293,299,310,316,322],"ul",{},[286,287,288,292],"li",{},[289,290,291],"strong",{},"Read the machine manual"," for the screw removal method, the tools it calls for, and the torques for refitting.",[286,294,295,298],{},[289,296,297],{},"Plan the material."," Purge out any heat-sensitive material, such as PVC or POM, with a stable purging material before you start, because it degrades while the barrel stays hot.",[286,300,301,304,305,309],{},[289,302,303],{},"Tools."," A ",[272,306,308],{"href":307},"\u002Fparts\u002Fmc-gmp-01\u002F","screw head wrench"," that matches the tip, a wrench for the nozzle flats, a torque wrench, brass brushes and scrapers, cotton rags and a cleaning rod, high-temperature anti-seize compound, and supports or V-blocks for the screw.",[286,311,312,315],{},[289,313,314],{},"Lifting."," A sling and a crane or hoist rated for the screw's weight; long screws need support at more than one point.",[286,317,318,321],{},[289,319,320],{},"Protection."," Heat-resistant gloves, a face shield and long sleeves.",[286,323,324,327],{},[289,325,326],{},"Safety."," Parts of the job need the machine powered, with heaters on and the injection unit moving in manual mode. Follow your site's lockout procedure for every step done inside the machine.",[278,329,331],{"id":330},"removing-the-screw-step-by-step","Removing the screw step by step",[333,334,335,341,347,353,364,374,380,395,401,407],"ol",{},[286,336,337,340],{},[289,338,339],{},"Heat and soak."," Bring the barrel to processing temperature and let it soak so all the plastic is molten.",[286,342,343,346],{},[289,344,345],{},"Purge empty."," Close the hopper slide gate and run the screw until no more material comes out. Keep the heaters on.",[286,348,349,352],{},[289,350,351],{},"Retract the injection unit"," fully from the mold. On machines whose injection unit swivels, swing it out to give room at the front.",[286,354,355,358,359,363],{},[289,356,357],{},"Remove the nozzle."," Take off its heater band and thermocouple and unscrew it hot. See the ",[272,360,362],{"href":361},"\u002Finjection-molding-machine-parts\u002Fbarrel-screw\u002Fnozzle\u002F","nozzle guide",". Never stand in front of the nozzle while the barrel is heating.",[286,365,366,369,370,276],{},[289,367,368],{},"Remove the barrel head."," Support it, loosen the bolts a little at a time in a cross pattern, and lift it off. See the ",[272,371,373],{"href":372},"\u002Finjection-molding-machine-parts\u002Fbarrel-screw\u002Fbarrel-head\u002F","barrel head guide",[286,375,376,379],{},[289,377,378],{},"Expose the screw tip."," In manual mode, at low speed and pressure, inject forward until the tip stands out of the barrel.",[286,381,382,385,386,389,390,394],{},[289,383,384],{},"Remove the screw tip."," Unscrew it hot with the screw head wrench; most tips have a ",[289,387,388],{},"left-hand thread",". Slide off the check ring and the seat ring. See the ",[272,391,393],{"href":392},"\u002Finjection-molding-machine-parts\u002Fbarrel-screw\u002Fscrew-tip\u002F","screw tip guide",". On some machines it is easier to remove the tip after the screw is out, but do it before the tip cools.",[286,396,397,400],{},[289,398,399],{},"Release the drive end."," At the rear, remove the parts that hold the screw shank in the drive coupling, such as a split collar, retaining ring or keys. The design varies by machine.",[286,402,403,406],{},[289,404,405],{},"Push the screw out."," Use the injection stroke, with a pusher or extension piece if the manual calls for one, to move the screw forward out of the barrel.",[286,408,409,412],{},[289,410,411],{},"Pull it clear."," Take the weight with the sling as the screw comes out, so it does not drop onto the edge of the bore or bend. Lay it on supports spaced along its length.",[278,414,416],{"id":415},"cleaning-and-inspecting-while-the-screw-is-out","Cleaning and inspecting while the screw is out",[265,418,419],{},"Clean the screw while it is still warm, with brass brushes and scrapers, and clean the bore with cotton rags on a rod until they come out clean. Steel tools scratch the flights and the bore.",[265,421,422],{},"While everything is apart, inspect:",[283,424,425,428,431,434],{},[286,426,427],{},"The screw flights, root and drive end, and the screw's straightness.",[286,429,430],{},"The barrel bore, for scoring and uneven wear.",[286,432,433],{},"The tip, check ring and seat ring, for wear on the sealing faces.",[286,435,436],{},"The faces of the barrel head and the barrel, the nozzle and its tip.",[265,438,439,440,444],{},"Measure the screw flights and the bore to decide whether the screw, the barrel, or only the tip set needs replacing. Our guide to ",[272,441,443],{"href":442},"\u002Fblog\u002Fmeasuring-barrel-screw-wear-injection-molding\u002F","measuring barrel and screw wear"," explains how.",[278,446,448],{"id":447},"refitting-the-screw","Refitting the screw",[333,450,451,454,457,460,463,466,469,472],{},[286,452,453],{},"Clean the bore, the screw, the drive coupling and all sealing faces. No plastic or debris may stay on them.",[286,455,456],{},"Lubricate the drive end only if the manual says to.",[286,458,459],{},"Support the screw on the sling and slide it into the barrel, at the barrel temperature the manual specifies, keeping it level so the flights do not catch on the edge of the bore.",[286,461,462],{},"Engage the drive end in its spline or key, and refit the coupling parts.",[286,464,465],{},"Fit the seat ring, check ring and screw tip as a matched set, with anti-seize on the thread only, and tighten the tip to the torque in the manual.",[286,467,468],{},"Refit the barrel head with clean faces, tightening the bolts in sequence to the specified torque.",[286,470,471],{},"Refit the nozzle, heater bands and thermocouples.",[286,473,474],{},"Heat the barrel to temperature and let it soak before turning the screw. Start the screw slowly, check the barrel head and nozzle for leaks, and purge before production.",[278,476,478],{"id":477},"common-mistakes","Common mistakes",[283,480,481,484,487,490,493,496],{},[286,482,483],{},"Turning or injecting before the barrel has soaked, which can break the tip or twist the screw.",[286,485,486],{},"Forcing a tip with a left-hand thread the wrong way.",[286,488,489],{},"Scraping the screw or the bore with steel tools.",[286,491,492],{},"Lifting a long screw at one point, which can bend it.",[286,494,495],{},"Leaving plastic on the sealing faces, so the barrel head or the tip leaks.",[286,497,498],{},"Reusing a worn or mismatched tip, ring and seat set.",[278,500,502],{"id":501},"what-to-send-for-replacement-parts","What to send for replacement parts",[265,504,505,506,510,511,515,516,520],{},"If the inspection shows wear, send the measurements and photos with your request. The ",[272,507,509],{"href":508},"\u002Finjection-molding-machine-parts\u002Fbarrel-screw\u002Fscrew\u002F","screw guide"," lists what to send for a new screw, and the screw tip page what to send for a tip set. We supply ",[272,512,514],{"href":513},"\u002Fparts\u002Fmc-bc-02\u002F","injection screws"," and the screw head wrenches listed above. ",[272,517,519],{"href":518},"\u002Frequest-quote\u002F","Request a quote"," with the details.",{"title":522,"searchDepth":21,"depth":21,"links":523},"",[524,525,526,527,528,529],{"id":280,"depth":21,"text":281},{"id":330,"depth":21,"text":331},{"id":415,"depth":21,"text":416},{"id":447,"depth":21,"text":448},{"id":477,"depth":21,"text":478},{"id":501,"depth":21,"text":502},"How to remove the screw from an injection molding machine, step by step: preparation, nozzle, barrel head and screw tip removal, pulling the screw and refitting.",null,"md",[534,537,540,543],{"question":535,"answer":536},"Should the barrel be hot when removing the screw?","Yes. Heat the barrel to processing temperature and let it soak, then purge it empty. The nozzle, barrel head and screw tip come off only while the plastic is molten, and a screw pulled from a cold barrel can tear the flights and score the bore.",{"question":538,"answer":539},"Do I need to remove the barrel to take out the screw?","On most horizontal machines, no: the screw comes out of the front of the barrel once the nozzle, barrel head and screw tip are off and the drive end is released. Some machines are designed for the barrel and screw to come off together; the machine manual says which.",{"question":541,"answer":542},"What tool is used to remove the screw tip?","A screw head wrench with prongs that match the tip's design. Most screw tips have a left-hand thread, so check the direction before applying force.",{"question":544,"answer":545},"What should be inspected while the screw is out?","The screw flights and straightness, the barrel bore, the screw tip, check ring and seat ring, the barrel head faces and the nozzle. Measuring the screw and the bore shows whether the clearance is still acceptable.","screw","2026-11-01",{},true,[551,552],"MC-GMP-01","MC-BC-02","\u002Finjection-molding-machine-parts\u002Fbarrel-screw\u002Fremoving-the-screw",{"title":260,"description":530},"How to Remove the Screw from an Injection Molding Machine","Removing the screw","injection-molding-machine-parts\u002Fbarrel-screw\u002Fremoving-the-screw","A9dF7VkM0IV1tj-ChyxODtMZKp72dR--cD7VFND913k",[560,564,568,572,576,580,584,588,592,596,600,604,608],{"path":561,"title":562,"short":563},"\u002Finjection-molding-machine-parts\u002Fbarrel-screw\u002Fscrew","Injection molding screw: parts, zones and types","Screw",{"path":565,"title":566,"short":567},"\u002Finjection-molding-machine-parts\u002Fbarrel-screw\u002Fbarrel","Injection molding machine barrel: construction, zones and wear","Barrel",{"path":569,"title":570,"short":571},"\u002Finjection-molding-machine-parts\u002Fbarrel-screw\u002Fcheck-ring","Check ring (non-return valve) of an injection molding screw","Check ring",{"path":573,"title":574,"short":575},"\u002Finjection-molding-machine-parts\u002Fbarrel-screw\u002Fscrew-tip","Screw tip of an injection molding machine: types and removal","Screw tip",{"path":577,"title":578,"short":579},"\u002Finjection-molding-machine-parts\u002Fbarrel-screw\u002Fnozzle","Injection molding machine nozzle: tip, size and design","Nozzle",{"path":581,"title":582,"short":583},"\u002Finjection-molding-machine-parts\u002Fbarrel-screw\u002Fshut-off-nozzle","Shut-off nozzle for injection molding: types and uses","Shut-off nozzle",{"path":585,"title":586,"short":587},"\u002Finjection-molding-machine-parts\u002Fbarrel-screw\u002Fnozzle-filter","Injection molding nozzle filter: types, use and cleaning","Nozzle filter",{"path":589,"title":590,"short":591},"\u002Finjection-molding-machine-parts\u002Fbarrel-screw\u002Fbarrel-head","Barrel head (front flange) of an injection molding machine","Barrel head",{"path":593,"title":594,"short":595},"\u002Finjection-molding-machine-parts\u002Fbarrel-screw\u002Fhopper-and-feed-throat","Hopper and feed throat of an injection molding machine","Hopper and feed throat",{"path":597,"title":598,"short":599},"\u002Finjection-molding-machine-parts\u002Fbarrel-screw\u002Fbimetallic-barrel","Bimetallic barrel and screw for injection molding machines","Bimetallic barrel",{"path":601,"title":602,"short":603},"\u002Finjection-molding-machine-parts\u002Fbarrel-screw\u002Fl-d-ratio","Screw L\u002FD ratio and compression ratio in injection molding","L\u002FD ratio",{"path":605,"title":606,"short":607},"\u002Finjection-molding-machine-parts\u002Fbarrel-screw\u002Fback-pressure","Back pressure in injection molding: what it does and how to set it","Back pressure",{"path":609,"title":610,"short":611},"\u002Finjection-molding-machine-parts\u002Fbarrel-screw\u002Fshot-size","Shot size calculation for injection molding machines","Shot size calculation",{"diagram":239},{"diagram":614},{"title":615,"description":616,"base":617,"labels":628,"items":639},"Parts of the injection unit","Section through an injection unit: nozzle, barrel front flange, barrel, screw with its feed, compression and metering zones, screw tip and check ring, heater bands, hopper throat and injection cylinder, numbered.",{"solid":618,"line":620},[619],"M470 118h14v104h-14z",[621,622,623,624,625,626,627],"M484 124L520 124","M484 216L520 216","M142 212L466 212","M142 207L142 217","M240 207L240 217","M340 207L340 217","M466 207L466 217",[629,633,636],{"x":630,"y":631,"text":632},191,228,"METERING",{"x":634,"y":631,"text":635},290,"COMPRESSION",{"x":637,"y":631,"text":638},403,"FEED",[640,655,672,687,716,729,753,766],{"id":641,"name":579,"role":642,"parts":643,"marker":645,"shapes":649},"nozzle","Screws into the front of the barrel and seals against the mold’s sprue bushing. The melt passes through it on every shot.",[644],"MC-BC-07",[646,647,646,648],52,24,156,{"solid":650,"hidden":653},[651,652],"M32 166L50 158L50 182L32 174Z","M52 156h36a2 2 0 0 1 2 2v24a2 2 0 0 1 -2 2h-36a2 2 0 0 1 -2 -2v-24a2 2 0 0 1 2 -2z",[654],"M34 170L88 170",{"id":656,"name":657,"role":658,"parts":659,"marker":661,"shapes":664},"front-flange","Barrel front flange","Also called the front head or end cap. It closes the front of the barrel and holds the nozzle.",[660],"MC-BC-08",[662,647,662,663],98,144,{"solid":665,"line":667,"hidden":670},[666],"M90 144h16a2 2 0 0 1 2 2v48a2 2 0 0 1 -2 2h-16a2 2 0 0 1 -2 -2v-48a2 2 0 0 1 2 -2z",[668,669],"M95.5 151a2.5 2.5 0 1 0 5 0a2.5 2.5 0 1 0 -5 0z","M95.5 189a2.5 2.5 0 1 0 5 0a2.5 2.5 0 1 0 -5 0z",[671],"M90 170L108 170",{"id":673,"name":567,"role":674,"parts":675,"marker":678,"shapes":681},"barrel","Thick steel tube the screw turns in. Bimetallic barrels have a hard alloy lining that resists wear from glass-filled and abrasive plastics.",[676,677],"MC-BC-01","MC-SB-01",[679,647,679,680],188,146,{"solid":682,"line":684},[683],"M108 146h362v48h-362z",[685,686],"M108 156L470 156","M108 184L470 184",{"id":546,"name":563,"role":688,"parts":689,"marker":690,"shapes":695},"Melts and meters the plastic. Its flights are deep in the feed zone, get shallower through the compression zone and stay shallow in the metering zone.",[552],[691,692,693,694],230,336,232,178,{"solid":696,"line":699},[697,698],"M142 162L240 162L340 166L486 166L486 174L340 174L240 178L142 178Z","M488 162h30a2 2 0 0 1 2 2v12a2 2 0 0 1 -2 2h-30a2 2 0 0 1 -2 -2v-12a2 2 0 0 1 2 -2z",[700,701,702,703,704,705,706,707,708,709,710,711,712,713,714,715],"M148 157L156 183","M168 157L176 183","M188 157L196 183","M208 157L216 183","M228 157L236 183","M248 157L256 183","M268 157L276 183","M288 157L296 183","M308 157L316 183","M328 157L336 183","M348 157L356 183","M368 157L376 183","M388 157L396 183","M408 157L416 183","M428 157L436 183","M448 157L456 183",{"id":717,"name":718,"role":719,"marker":720,"shapes":724},"screw-tip","Screw tip and check ring","A non-return valve on the front of the screw. The ring lets melt pass while the screw turns and seals when it injects, so the shot does not flow back.",[721,692,722,723],122,128,183,{"solid":725},[726,727,728],"M110 170L122 163L132 163L132 177L122 177Z","M125 157h8a1 1 0 0 1 1 1v24a1 1 0 0 1 -1 1h-8a1 1 0 0 1 -1 -1v-24a1 1 0 0 1 1 -1z","M134 159h8v22h-8z",{"id":730,"name":731,"role":732,"subcategory":28,"marker":733,"shapes":737},"heater-bands","Heater bands","Bands around the barrel and nozzle that heat the plastic to its processing temperature, each zone controlled by its own thermocouple.",[734,647,735,736],330,313,138,{"solid":738},[739,740,741,742,743,744,745,746,747,748,749,750,751,752],"M152 138h22a2 2 0 0 1 2 2v4a2 2 0 0 1 -2 2h-22a2 2 0 0 1 -2 -2v-4a2 2 0 0 1 2 -2z","M152 194h22a2 2 0 0 1 2 2v4a2 2 0 0 1 -2 2h-22a2 2 0 0 1 -2 -2v-4a2 2 0 0 1 2 -2z","M202 138h22a2 2 0 0 1 2 2v4a2 2 0 0 1 -2 2h-22a2 2 0 0 1 -2 -2v-4a2 2 0 0 1 2 -2z","M202 194h22a2 2 0 0 1 2 2v4a2 2 0 0 1 -2 2h-22a2 2 0 0 1 -2 -2v-4a2 2 0 0 1 2 -2z","M252 138h22a2 2 0 0 1 2 2v4a2 2 0 0 1 -2 2h-22a2 2 0 0 1 -2 -2v-4a2 2 0 0 1 2 -2z","M252 194h22a2 2 0 0 1 2 2v4a2 2 0 0 1 -2 2h-22a2 2 0 0 1 -2 -2v-4a2 2 0 0 1 2 -2z","M302 138h22a2 2 0 0 1 2 2v4a2 2 0 0 1 -2 2h-22a2 2 0 0 1 -2 -2v-4a2 2 0 0 1 2 -2z","M302 194h22a2 2 0 0 1 2 2v4a2 2 0 0 1 -2 2h-22a2 2 0 0 1 -2 -2v-4a2 2 0 0 1 2 -2z","M352 138h22a2 2 0 0 1 2 2v4a2 2 0 0 1 -2 2h-22a2 2 0 0 1 -2 -2v-4a2 2 0 0 1 2 -2z","M352 194h22a2 2 0 0 1 2 2v4a2 2 0 0 1 -2 2h-22a2 2 0 0 1 -2 -2v-4a2 2 0 0 1 2 -2z","M402 138h22a2 2 0 0 1 2 2v4a2 2 0 0 1 -2 2h-22a2 2 0 0 1 -2 -2v-4a2 2 0 0 1 2 -2z","M402 194h22a2 2 0 0 1 2 2v4a2 2 0 0 1 -2 2h-22a2 2 0 0 1 -2 -2v-4a2 2 0 0 1 2 -2z","M58 150h20a2 2 0 0 1 2 2v2a2 2 0 0 1 -2 2h-20a2 2 0 0 1 -2 -2v-2a2 2 0 0 1 2 -2z","M58 184h20a2 2 0 0 1 2 2v2a2 2 0 0 1 -2 2h-20a2 2 0 0 1 -2 -2v-2a2 2 0 0 1 2 -2z",{"id":754,"name":595,"role":755,"marker":756,"shapes":759},"feed-throat","Pellets drop from the hopper through the feed throat into the screw. The throat is usually water-cooled so the pellets do not melt and stick before the screw.",[757,647,757,758],446,62,{"solid":760,"hidden":763},[761,762],"M410 62L482 62L462 110L430 110Z","M434 110h24v36h-24z",[764,765],"M434 146L434 156","M458 146L458 156",{"id":767,"name":768,"role":769,"parts":770,"subcategory":72,"marker":772,"shapes":776},"injection-cylinder","Injection cylinder","Hydraulic cylinder that drives the screw forward to inject and holds pressure while the part sets. Its seals are wear parts.",[771],"MC-BC-06",[773,647,774,775],556,560,132,{"solid":777,"hidden":783},[778,779,780,781,782],"M520 128h8v84h-8z","M528 132h62v76h-62z","M590 128h8v84h-8z","M540 124h10v8h-10z","M570 124h10v8h-10z",[784,785],"M548 136h10v68h-10z","M528 170L548 170",[787,794],{"partNumber":552,"name":788,"subcategory":67,"subcategoryName":68,"shortDescription":789,"image":790,"inStock":549,"zone":232,"compatibleMachines":791},"Injection Screw","Replacement injection screw for injection molding machine plasticizing unit.","\u002Fpart-images\u002FMC\u002FMC-BC-01\u002FMC-BC-02\u002Ffront.jpg",[792,793],"Haitian MA Series","Haitian MA II Series",{"partNumber":551,"name":795,"subcategory":98,"subcategoryName":796,"shortDescription":797,"inStock":549,"zone":232,"compatibleMachines":798},"Screw Head Wrench (3-Prong \u002F 4-Prong \u002F 6-Prong)","Maintenance Tools","Specialist screw head wrench for removing injection molding machine screw heads.",[792,793,799],"Yizumi A5 Series",1793548981349]