Injection Molded Plastics/

Insert Molding

Insert molding is a plastic injection molding process in which an insert, such as an object or component, is placed into the mold cavity and then injected with molten plastic that is thus molded around the insert. Insert molding is a more effective alternative to the assembly of discrete parts by means of soldering, adhesives or fasteners.
insert molding
insert molding
insert molding
insert molding
GSH Industries is a manufacturer of injection molded plastics such as insert molding. Serving a wide range of industries such as automotive, consumer, electrical & more with custom injection molding. Visit our website today for more information on our insert molded parts. Our experience with insert moldings has allowed us to position ourselves into the next century, looking to the future.
http://www.gshindustries.com | Email This Company | Phone: 440-238-3009, 866-536-9346
15242 Foltz Industrial Parkway   Cleveland, OH 44149


insert molding
insert molding
insert molding
ISO 9001:2000 certified injection molding company with complete, cutting-edge capabilities for small intricate molded plastic components to large parts (1500 tons). We specialize in insert injection molding and others. We also offer full product development, testing and prototyping, plus stocking programs. Our quality engineers have experience working with many different plastic applications.
http://www.totalqualityplastics.com | Email This Company | Phone: 888-335-9769
198 North Harrison Street    North Prairie, WI 53153


insert molding
insert molding
insert molding
insert molding
With over 30 years of experience, All-State Plastics has specialized in injection molding, mold making, insert molding and machining. On top of our numerous capabilities, our customer service is unbeatable. We have the know-how you need and we continue fine tuning to surpass our high standards for customer service and manufacturing insert injection molding. We are armed with expanded visions.
http://www.allstateplastics.net | Email This Company | Phone: 800-544-0370
15352 Proctor Ave.      City of Industry, CA 91745

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insert molding
insert molding
insert molding
Xcentric Mold & Engineering makes buying custom plastic injection molded parts more convenient than ever. ISO 9001:2008 certified, we are leaders in rapid prototype & rapid injection molding with low cost production. No matter what kind of part you need, no matter how complicated, we`ll put it in your hands faster. Our molding expertise means no geometry limits for quality parts done right.
http://www.xcentricmold.com | Email This Company | Phone: 586-598-4636
25190 Terra Industrial Dr.   Chesterfield, MI 48051
 
Industry Information

Insert Molding

Some benefits of plastic insert molding include: lower costs, since multiple tasks are being done at once both labor and assembly time is saved; greater durability, the plastic resins mold to the insert more securely than other joining methods; and lighter components, plastic resin weighs less than metal connectors which would typically have joined the components. Insert molding serves industries such as electronics, medical, military, industrial, automotive, aerospace, food processing, commercial, residential, cosmetic and construction. Typical insert injection molding applications include cable embedded electronics, medical devices, printers, thermostats, aerosol nozzles, electrical plugs, screwdrivers, needle hubs, bifurcations and threaded fasteners. Materials used during the insert molding process includes polystyrene, polyvinyl chloride, polyethylene, polypropylene, thermoplastic elastomers and many more engineering plastics.

Insert molding is done through an injection molding machine. On the top of the machine is a hopper, through which the plastic granules enter the barrel of the machine. In the barrel, the plastic granules are heated until they become molten plastic. A reciprocating screw inside of the barrel carries the plastic granules into the mold cavity by way of a nozzle. The nozzle leads directly into the mold cavity. The mold is attached to a moveable platen so that it can push into and pull back from the mold cavity. An insert, which can be metal or plastic, is placed into the mold cavity just before molding. The molten plastic is then injected into the cavity through the nozzle and molds around the insert piece. Once the plastic has cooled, the mold is opened and the newly joined components are removed. Two types of bonding occur during insert molding; mechanical and molecular. Molecular bonding takes place by either shrinking the encapsulating plastic resin around the insert as it cools or surrounding the irregularities on the insert’s surface by the plastic resin. Mechanical bonding, however, only takes place when the insert’s material is the same as or very similar to the plastic resin. In addition there are three types of insert molding: low volume, 100-1000 parts that the operator inserts all at once; medium volume, 1000-10,000 parts that the operator loads in multiples and is aided by a loading device; and high volume, 100,000 parts or more that are loaded automatically.

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