{"title":"Overmolding","description":"\u003cdiv class=\"colmaindes\"\u003e\n\u003cp\u003eNorck, a leading digital manufacturing company, provides extremely reliable, top quality, and fast injection molding, and overmolding projects for a wide range of industries including aerospace, defense, robotics,  industrial, automotive, electronics, energy, hardware, and consumer products. Our team of highly qualified engineers and cutting-edge facilities will provide you with quality products with the quickest turnaround time at a competitive price. Whether you have high volume production projects or rapid protototyping needs, Norck can manage it with the results better than expectations.\u003c\/p\u003e\n\u003cp\u003e\u003ca title=\"GET A QUOTE\" href=\"\/en\/pages\/get-a-quote\" target=\"_blank\"\u003eClick here to get a quote\u003c\/a\u003e for your next \u003ca title=\"Injection Molding\" href=\"\/en\/collections\/injection-molding\"\u003einjection molding\u003c\/a\u003e and overmolding project.\u003c\/p\u003e\n\u003cp\u003eLet’s give you some insight how Norck achieves overmolding.\u003c\/p\u003e\n\u003ch2\u003eWhat is Overmolding?\u003c\/h2\u003e\n\u003cp\u003eIt is a plastic \u003ca title=\"Injection molding\" href=\"\/en\/collections\/injection-molding-1\"\u003einjection molding \u003c\/a\u003eprocess that combines multiple plastic \u003ca title=\"Materials\" href=\"\/en\/pages\/materials\"\u003ematerials\u003c\/a\u003e. The mold for overmolding is made from hardened steel to withstand the pressure and heat of the overmolding process. Overmolding mold is unique compared to \u003ca title=\"Insert molding\" href=\"\/en\/collections\/insert-molding\"\u003einsert molding\u003c\/a\u003e and \u003ca title=\"Injection Molding\" href=\"\/en\/collections\/injection-molding\"\u003einjection molding\u003c\/a\u003e mold. The overmolding process is used for high and medium-volume production\u003c\/p\u003e\n\u003cp\u003eOvermolding is used for several purposes, such as:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproving the grip of a component:\u003c\/li\u003e\n\u003cli\u003ePrevent vibration\u003c\/li\u003e\n\u003cli\u003eAdd sealing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat are the advantages of overmolding?\u003c\/h2\u003e\n\u003cp\u003eOvermolding offers many advantages:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA rigid connection: \u003c\/strong\u003eThe injected plastic englobes the insert, which results in a rigid connection between materials\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eAccuracy: \u003c\/strong\u003eOvermolding offers tight tolerances, around ±0.05mm.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eMore rigid threads:\u003cbr\u003e\u003c\/strong\u003eThe inserts are added to a plastic part to avoid wearing of threads in plastic material.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eNo need for fasteners: \u003c\/strong\u003eThere is no need for post-molding operations as the molded parts come off the mold and can have a mirror glass surface, mat color, or texture.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003eLow production costs: \u003c\/strong\u003e\u003c\/span\u003eThe production cost is reduced since post-machining operations are reduced or eliminated.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBut there are some disadvantages as well:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e   - \u003c\/strong\u003eLonger cycle time\u003cbr\u003e\u003cstrong\u003e   - \u003c\/strong\u003eHigher cost\u003c\/p\u003e\n\u003ch2\u003eHow is it fabricated?\u003c\/h2\u003e\n\u003cp\u003eThere are two types of overmolding:\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eI. Two Shots overmolding:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003e \u003c\/strong\u003e\u003cstrong\u003ePlastification\u003c\/strong\u003e: The plastic granules are transferred from the hopper to the mold using a rotating screw and molted using heaters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e \u003c\/strong\u003e\u003cstrong\u003e1\u003csup\u003est\u003c\/sup\u003e shot\u003c\/strong\u003e: The screw will advance to increase pressure in the injection chamber to inject the molted plastic into the mold. The two cavities are maintained close until the plastic solidifies\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e \u003c\/strong\u003e\u003cstrong\u003eDie rotation\u003c\/strong\u003e: After injecting the 1\u003csup\u003est\u003c\/sup\u003e shot, the Die is opened and rotates until the injected part meets the 2\u003csup\u003end\u003c\/sup\u003e shot cavity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e \u003c\/strong\u003e\u003cstrong\u003e2\u003csup\u003end\u003c\/sup\u003e shot\u003c\/strong\u003e: The mold is closed again, and 2\u003csup\u003end\u003c\/sup\u003e material is injected into the mold\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e \u003c\/strong\u003e\u003cstrong\u003eEjection\u003c\/strong\u003e: cc\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cdiv class=\"collection_images-inner\"\u003e\n\u003cdiv class=\"coll_images oneimgsc\"\u003e\n\u003cdiv class=\"img-col\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0574\/4679\/3277\/files\/OverMolding-1.png?v=1664876617\" alt=\"\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"collection_images-inner\"\u003e\n\u003cdiv class=\"coll_images oneimgsc\"\u003e\n\u003cdiv class=\"img-col\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0574\/4679\/3277\/files\/OverMolding-2.png?v=1664876651\" alt=\"\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"collection_images-inner\"\u003e\n\u003cdiv class=\"coll_images oneimgsc\"\u003e\n\u003cdiv class=\"img-col\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0574\/4679\/3277\/files\/OverMolding-3_3f2a9631-4e6c-4d22-a302-1f54b40c7be1.png?v=1664876740\" alt=\"\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eII. Co-injection molding (2k\/3k injection molding):\u003c\/strong\u003e\u003c\/p\u003e\n\u003col data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cstrong data-mce-fragment=\"1\"\u003e \u003c\/strong\u003e\u003cstrong data-mce-fragment=\"1\"\u003ePlastification\u003c\/strong\u003e: The plastic granules are transferred from both hoppers to the mold using a rotating screw and molted using heaters.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cstrong data-mce-fragment=\"1\"\u003e \u003c\/strong\u003e\u003cstrong data-mce-fragment=\"1\"\u003e1\u003csup data-mce-fragment=\"1\"\u003eST\u003c\/sup\u003e material injection: \u003c\/strong\u003eThe first material is injected after closing the mold.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cstrong data-mce-fragment=\"1\"\u003e \u003c\/strong\u003e\u003cstrong data-mce-fragment=\"1\"\u003e2\u003csup data-mce-fragment=\"1\"\u003end\u003c\/sup\u003e material injection: \u003c\/strong\u003eThe second material is injected without opening the mold.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cstrong data-mce-fragment=\"1\"\u003e \u003c\/strong\u003e\u003cstrong data-mce-fragment=\"1\"\u003eEjection\u003c\/strong\u003e: After the molted plastic solidifies using a cooling circuit, the Die is opened, and the part is ejected via ejector pins. The screws will retreat to prepare for the next injection.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cdiv class=\"collection_images-inner\"\u003e\n\u003cdiv class=\"coll_images oneimgsc\"\u003e\n\u003cdiv class=\"img-col\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0574\/4679\/3277\/files\/OverMolding-4.png?v=1664877301\" alt=\"\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"collection_images-inner\"\u003e\n\u003cdiv class=\"coll_images oneimgsc\"\u003e\n\u003cdiv class=\"img-col\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0574\/4679\/3277\/files\/OverMolding-5.png?v=1664877331\" alt=\"\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eObtaining a fully functional part might require extra processing for features that can’t be made with the overmolding process, such as taping. The designed part should follow Overmolding and overmolding design guidelines.\u003c\/p\u003e\n\u003ch2\u003eWhy Norck?\u003c\/h2\u003e\n\u003cp\u003eNorck, \u003cstrong\u003ea leading manufacturing company driven by technology, high quality data and artificial intelligence, \u003c\/strong\u003efocuses on manufacturing excellent quality of \u003cstrong\u003esheet metal parts, custom parts and components, a wide range of 3D printed parts and moldings\u003c\/strong\u003e. It is a single source for a wide of range of companies around the world for their need of sheet metal fabrication, CNC machining, 3D printing, and molding. \u003c\/p\u003e\n\u003cp\u003eBesides its own production capacity, Norck’s ability access to a huge amount of manufacturing capacity of its top quality partners across Europe and the U.S allows it to provide its customers with low and high volume production, rapid prototyping and a wide range of manufacturing services from sheet metal fabrication to 3D printing.\u003c\/p\u003e\n\u003cp\u003eNorck’s data-driven AI approach to manufacturing maximizes its overall product and service quality, while minimizing the overall cost of its parts and services. This leads to high quality products, better inventory programs for our customers worldwide, better visibility for supply chain management.\u003c\/p\u003e\n\u003cp\u003eNorck’s team of manufacturing engineers, mechnical engineers, quality engineers, supply chain engineers, industrial designers, artificial intelligence engineers, data scientists, and software application developers work in a unique and coherent way to provide your company with high quality manufacturing parts and services, better design for manufacturability and all driven by data and artificial intelligence.\u003c\/p\u003e\n\u003cp\u003eAs a single source for all your manufacturing needs, \u003cstrong\u003eNorck minimizes your overhead cost, diversifies your supply chain, improves your parts’ design for manufacturability, significantly improves the quality of services and parts you outsource, minimizes suppliers’ risks, improves your purchasing power, and provides the goods and services with a philosophy of just in time\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","products":[],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/4679\/3277\/collections\/Norck_logo_for_collection_a5175add-6d70-4a5d-bcf2-8bc1e49f28c0.png?v=1718495845","url":"https:\/\/portugues.norck.com\/en\/collections\/overmolding.oembed","provider":"NORCK","version":"1.0","type":"link"}