[{"data":1,"prerenderedAt":467},["ShallowReactive",2],{"catalog:meta":3,"catalog:part:mc-gmp-01":258,"diagram:part:mc-gmp-01":340,"guides:links:parts:MC-GMP-01":441,"blog:related:3:maintenance tool,maintenance tools,screw head tool,screw head wrench (3-prong \u002F 4-prong \u002F 6-prong),screw wrench":454},{"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,{"part":259,"category":300,"zone":315,"related":316},{"partNumber":260,"name":261,"slug":262,"category":60,"subcategory":98,"categoryName":61,"subcategoryName":263,"shortDescription":264,"description":265,"specifications":266,"variants":273,"compatibleMachines":286,"images":290,"tags":291,"relatedParts":295,"inStock":298,"featured":299},"MC-GMP-01","Screw Head Wrench (3-Prong \u002F 4-Prong \u002F 6-Prong)","screw-head-wrench","Maintenance Tools","Specialist screw head wrench for removing injection molding machine screw heads.","Specialist screw head wrench for removing and installing injection molding machine screw tips (check ring assembly). Available in 3-prong, 4-prong, and 6-prong configurations to fit different screw head designs.",[267,270],{"name":268,"value":269},"Type","Screw Head Wrench",{"name":271,"value":272},"Material","45# \u002F CR-V Steel",[274,278,282],{"sku":275,"type":276,"description":277},"MC-GMP-01-3P","3-Prong","Standard 3-prong screw head wrench",{"sku":279,"type":280,"description":281},"MC-GMP-01-4P","4-Prong","4-prong screw head wrench",{"sku":283,"type":284,"description":285},"MC-GMP-01-6P","6-Prong","6-prong screw head wrench",[287,288,289],"Haitian MA Series","Haitian MA II Series","Yizumi A5 Series",[],[292,293,294],"screw wrench","screw head tool","maintenance tool",[296,297],"MC-GMP-02","MC-BC-01",true,false,{"id":60,"name":61,"slug":62,"description":63,"partCount":64,"subcategories":301},[302,303,304,305,306,307,308,309,310,311,312,313,314],{"id":67,"name":68,"slug":69,"partCount":70},{"id":72,"name":73,"slug":74,"partCount":16},{"id":76,"name":77,"slug":78,"partCount":79},{"id":81,"name":82,"slug":83,"partCount":84},{"id":86,"name":87,"slug":88,"partCount":26},{"id":90,"name":91,"slug":92,"partCount":70},{"id":94,"name":95,"slug":96,"partCount":21},{"id":98,"name":99,"slug":100,"partCount":21},{"id":102,"name":103,"slug":104,"partCount":21},{"id":106,"name":107,"slug":108,"partCount":26},{"id":110,"name":111,"slug":112,"partCount":113},{"id":115,"name":116,"slug":117,"partCount":26},{"id":119,"name":120,"slug":121,"partCount":26},{"id":232,"number":50,"name":233,"role":234},[317,323,329,334],{"partNumber":296,"name":318,"subcategory":98,"subcategoryName":263,"shortDescription":319,"image":320,"inStock":298,"zone":30,"compatibleMachines":321},"Barrel Heating Band Removal Tool","Specialized tool for removing and installing heater bands on injection molding machine barrels.","\u002Fpart-images\u002FMC\u002FMC-GMP-02\u002Fe3443cd0-195f-44da-a410-8e85809efc0a.png",[287,322],"Various injection molding machines",{"partNumber":297,"name":324,"subcategory":67,"subcategoryName":68,"shortDescription":325,"image":326,"inStock":298,"zone":232,"compatibleMachines":327},"Bimetallic Barrel & Screw Assembly","High-quality bimetallic barrel and screw assembly for plastic injection molding machines.","\u002Fpart-images\u002FMC\u002FMC-BC-01\u002FMC-BC-02\u002Ffront.jpg",[287,288,328,289],"Haitian Jupiter Series",{"partNumber":330,"name":331,"subcategory":67,"subcategoryName":68,"shortDescription":332,"image":326,"inStock":298,"zone":232,"compatibleMachines":333},"MC-BC-02","Injection Screw","Replacement injection screw for injection molding machine plasticizing unit.",[287,288],{"partNumber":335,"name":336,"subcategory":67,"subcategoryName":68,"shortDescription":337,"image":338,"inStock":298,"zone":239,"compatibleMachines":339},"MC-BC-06","Injection Cylinder","Injection hydraulic cylinder for injection molding machine injection unit.","\u002Fpart-images\u002FMC\u002FMC-BC-06\u002F90T.jpg",[287,288],{"diagram":341,"items":440},{"title":342,"description":343,"base":344,"labels":349,"items":354},"Service tools for the barrel and screw","A screw head wrench lined up with the screw tip and check ring on the front of a screw, and a heater band removal tool on a heater band around a barrel, seen end on, numbered.",{"solid":345,"line":347},[346],"M428 190a42 42 0 1 0 84 0a42 42 0 1 0 -84 0z",[348],"M454 190a16 16 0 1 0 32 0a16 16 0 1 0 -32 0z",[350],{"x":351,"y":352,"text":353},470,286,"BARREL END VIEW",[355,372,388,407,423],{"id":356,"name":357,"role":358,"parts":359,"marker":360,"shapes":364},"screw-wrench","Screw head wrench","Fits over the screw tip so it can be unscrewed from the screw or tightened without damage. Made with 3, 4 or 6 prongs to match the tip.",[260],[361,362,361,363],47,24,110,{"solid":365},[366,367,368,369,370,371],"M44 110h6a4 4 0 0 1 4 4v152a4 4 0 0 1 -4 4h-6a4 4 0 0 1 -4 -4v-152a4 4 0 0 1 4 -4z","M54 180h14v20h-14z","M72 170h52a4 4 0 0 1 4 4v32a4 4 0 0 1 -4 4h-52a4 4 0 0 1 -4 -4v-32a4 4 0 0 1 4 -4z","M128 172h20v7h-20z","M128 186.5h20v7h-20z","M128 201h20v7h-20z",{"id":373,"name":374,"role":375,"marker":376,"shapes":380},"screw-tip","Screw tip and check ring","The non-return valve at the front of the screw. It is taken off for cleaning and when the check ring wears.",[377,362,378,379],176,182,174,{"solid":381,"hidden":385},[382,383,384],"M150 190L170 174L206 174L206 206L170 206Z","M208 166h12a2 2 0 0 1 2 2v44a2 2 0 0 1 -2 2h-12a2 2 0 0 1 -2 -2v-44a2 2 0 0 1 2 -2z","M222 170h10v40h-10z",[386,387],"M170 182L206 182","M170 198L206 198",{"id":389,"name":390,"role":391,"parts":392,"marker":393,"shapes":396},"screw","Screw","The injection screw, pulled forward out of the barrel to reach the tip.",[330],[394,362,394,395],296,168,{"solid":397,"line":399},[398],"M234 168h124a2 2 0 0 1 2 2v40a2 2 0 0 1 -2 2h-124a2 2 0 0 1 -2 -2v-40a2 2 0 0 1 2 -2z",[400,401,402,403,404,405,406],"M244 169L256 211","M261 169L273 211","M278 169L290 211","M295 169L307 211","M312 169L324 211","M329 169L341 211","M346 169L358 211",{"id":408,"name":409,"role":410,"subcategory":28,"marker":411,"shapes":415},"heater-band","Heater band","A band clamped around the barrel by a bolt through its two lugs. Ceramic bands crack if they are forced or bent off the barrel.",[412,413,414,413],616,190,526,{"solid":416,"line":421},[417,418,419,420],"M478 134.6A56 56 0 1 1 462 134.6L462 146.7A44 44 0 1 0 478 146.7Z","M450 116h12v20h-12z","M478 116h12v20h-12z","M464 246h12a2 2 0 0 1 2 2v10a2 2 0 0 1 -2 2h-12a2 2 0 0 1 -2 -2v-10a2 2 0 0 1 2 -2z",[422],"M444 126L496 126",{"id":424,"name":425,"role":426,"parts":427,"marker":428,"shapes":432},"band-tool","Heater band removal tool","Used to take heater bands off the barrel and fit them again without damaging the ceramic, the leads or the thermocouple connections.",[296],[429,362,430,431],520,492,60,{"solid":433,"line":438},[434,435,436,437],"M440 100h4a2 2 0 0 1 2 2v28a2 2 0 0 1 -2 2h-4a2 2 0 0 1 -2 -2v-28a2 2 0 0 1 2 -2z","M496 100h4a2 2 0 0 1 2 2v28a2 2 0 0 1 -2 2h-4a2 2 0 0 1 -2 -2v-28a2 2 0 0 1 2 -2z","M436 90h68a2 2 0 0 1 2 2v8a2 2 0 0 1 -2 2h-68a2 2 0 0 1 -2 -2v-8a2 2 0 0 1 2 -2z","M451 56h38a3 3 0 0 1 3 3v2a3 3 0 0 1 -3 3h-38a3 3 0 0 1 -3 -3v-2a3 3 0 0 1 3 -3z",[439],"M470 90L470 64",[356],[442,446,450],{"to":443,"label":444,"description":445},"\u002Finjection-molding-machine-parts\u002Fbarrel-screw\u002Fcheck-ring\u002F","Check ring","What the check ring (non-return valve) on an injection molding screw does, how it opens and seals, the signs of a worn ring, and how to replace it.",{"to":447,"label":448,"description":449},"\u002Finjection-molding-machine-parts\u002Fbarrel-screw\u002Fscrew-tip\u002F","Screw tip","What the screw tip of an injection molding machine does, ring, ball and free-flow tip types, signs of wear, and how to remove and refit a screw tip safely.",{"to":451,"label":452,"description":453},"\u002Finjection-molding-machine-parts\u002Fbarrel-screw\u002Fremoving-the-screw\u002F","Removing the screw","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.",[455],{"title":456,"path":457,"description":458,"date":459,"category":460,"tags":461},"Complete Maintenance Checklist for Haitian MA Series Injection Molding Machines","\u002Fblog\u002Fhaitian-ma-maintenance-checklist","A comprehensive maintenance guide covering daily, weekly, monthly, and annual inspections for Haitian MA Series injection molding machines. Keep your machine running at peak performance.","2026-03-15","Maintenance",[462,463,464,465,466],"Haitian","MA Series","maintenance","checklist","preventive maintenance",1793548980683]