Mold Making Services Specifications | Engineering360

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Mold Type



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	Blow Molding		Blow molding is used to form bottles and other containers from thermoplastic tubes. A mold is fitted around the outside of the tube and then the tube is heated. Air is blown into the softened tube (similar to inflating a balloon), which forces the outside of the softened tube to conform to the inside walls of the mold. Once the plastic cools, the mold is opened and the molded container is removed.
	Compression Molding		Compression molding places thermosetting resin into a steel mold. Heat and pressure is applied to soften the material, squeezing it into all parts of the mold to form the desired shape. Once the material has cooled and hardened, the newly formed object is removed from the mold.
	Die Casting		Die casting injects molten metal under pressure into hardened steel dies. The dies contain an impression of the casting together with its running, feeding, and venting systems. The dies are capable of a regular cycle and of (quickly) dissipating the heat of the metal poured into them.
	Injection Molding		Injection molding uses a piston or screw to force plastic resin through a heated tube into a mold where the plastic cools and hardens to the shape of the mold. The mold is then opened and the plastic cast removed. Injection molding includes processes such as structural foam and web molding.
	Investment Casting		Investment casting injects wax into a metal die to form patterns. These patterns are assembled in a cluster around a wax runner system. The tree of patterns is coated with 8-10 layers of a refractory material and the assembly is heated to remove the wax. The hot mold is cast and then cooled. The mold material is removed from the castings, which are then removed from the runner system.
	Lost Foam Casting		Lost foam casting (LFC) is a metal casting process that uses foam patterns. LFC uses a cavity-free mold with the pattern remaining in the mold during metal pouring. The foam pattern is replaced by molten metal, producing the casting.
	Permanent Mold Casting		Permanent mold casting pours molten metal into cast iron molds that are coated with a ceramic mold wash. Cores can be made out of metal, sand, sand shell, or other materials. When completed, the molds are opened and the castings are ejected.
	Powder Metal Molding		Powder metal molding uses heat and pressure to form precision parts and shapes. The process begins by filling a die with powder and then compacting it at room temperature to form an engineered shape like a gear. Next, this compacted shape is ejected from the press and fed through a high-temperature furnace. This process, called sintering, metallurgically fuses the particles without melting them. After sintering, there are a variety of secondary operations that can be performed.
	Pulp Molding		Also known as molded fibre, it is a process in which recycled paperboard or newsprint is processed and formed to shape.
	Rotational Molding		Rotational molding loads pre-measured plastic resin into molds that are moved to an oven where they are slowly rotated on both a vertical and horizontal axis. The melting resin sticks to the hot mold and coats each surface evenly. During the cooling cycle, the mold continues to rotate so that parts retain an even wall thickness. When the parts are cooled, they are released from the mold. The rotational speed, heating times, and cooling times are controlled throughout the entire process.
	Sand Casting		Sand casting is used to make large parts, typically from iron but also from bronze, brass, and aluminum. Molten metal is poured into a mold cavity formed out of natural or synthetic sand. Sand castings generally have a rough surface, sometimes with surface impurities and surface variations.
	Thermoforming		Thermoforming is a term used to describe two processes for making products from plastic sheets. In a vacuum-forming process, hot thermoplastic sheets are laid over a mold. A vacuum removes air, drawing the plastic into the cavities of the mold. When the plastic cools, the molded product is removed. In a pressure-forming process, compressed air is used to drive a hot plastic sheet into the cavities and depressions of a mold. Products made from thermoformed sheets include trays, refrigerator door liners, and packages.
	Transfer Molding		Transfer molding is a liquid molding process that is commonly used in the aerospace and automotive industries. Liquid is injected at a low pressure into a mold and parts must cure for several hours at room temperature before removal.
	Other		Other metal forming process.
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Services


	Services
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	Model Making		Suppliers can create models of finished products before investing in hard tooling. These models can be hand-built and used for product representation, shipping testing, and/or strength testing.
	Mold Texturing		Supplier can add textures to molds for functional or cosmetic purposes.
	Production Facilities		Suppliers offer on-site manufacturing of production quantities.
	Repair and Maintenance		Suppliers offering repair and maintenance services provide in-house or on-site repair and refurbishment services.
	Prototyping		Suppliers can quickly produce a prototype for visual or tryout inspection.
	CAD/CAM Support		Computer aided design or drafting (CAD) is used to design products quickly and accurately. Computer aided manufacturing (CAM) is used to fabricate products directly from CAD outputs.
	Design Assistance		Suppliers who provide design assistance can help with concepts, manufacturing costs, manufacturing techniques, and material considerations such as sourcing. These suppliers may also be able to assist with upgrading, redesigning, reevaluating or modernizing existing products to increase performance and/or reduce manufacturing costs.
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Industry Served



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	Aerospace		Products are used in the aerospace industry.
	Automotive		Products are used in the automotive industry.
	Electrical / Electronics		Products are used in the electrical or electronics industry. This broad category includes devices such as motor drives, motion control electronics hardware, communication and/or interface hardware, machine control modules, switches, etc.
	Food Processing		Products are designed and rated for use with food processing applications.
	Industrial		Products are used with a wide variety of general, industrial applications.
	Marine		Products are rated for marine or salt water applications.
	Medical		Products are used in medical, diagnostic, or other health-related applications.
	Military		Products are designed or rated for military or defense applications.
	Optical		Products are used in the optical industry, or with OEM optic components and systems.
	Pharmaceutical		Products are used in the pharmaceutical industry or with related applications.
	Semiconductor		Products are used in the manufacture or assembly of semiconductors.
	Other		Other unlisted, specialized, or proprietary industries or applications.
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Location



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	North America		Companies are located in the United States, Canada or Mexico.
	United States Only		Companies are located in the United States.
	Northeast US Only		Companies are located in the Northeast United States, namely Connecticut, Maine, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island and Vermont.
	Southern US Only		Companies are located in the Southern United States, namely Alabama, Arkansas, Delaware, Florida, Georgia, Kentucky, Louisiana, Maryland, Mississippi, Missouri, North Carolina, Oklahoma, South Carolina, Tennessee, Texas, Virginia, Washington D.C., and West Virginia.
	Southwest US Only		Companies are located in the Southwest United States, namely Arizona, California, Colorado, Nevada, New Mexico and Utah.
	Northwest US Only		Companies are located in the Northwest United States, namely Idaho, Montana, Oregon, Washington and Wyoming.
	Midwest US Only		Companies are located in the Midwest United States, namely Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Nebraska, North Dakota, Ohio, South Dakota and Wisconsin.
	Canada Only		Companies are located in Canada.
	South / Central America Only		Companies have facilities in South American countries such as Argentina, Brazil, or Chile; or in Central American countries such as Costa Rica, Honduras, Panama, etc.
	Europe Only		Companies are located in Europe, namely Germany, Ireland, Italy, United Kingdom, etc.
	South Asia Only		Companies are located in South Asia, namely India, Pakistan, Nepal, etc.
	Near East Only		Companies are located in the Near East, namely Egypt, Israel, Saudi Arabia, etc.
	East Asia / Pacific Only		Companies are located in East Asia, namely China, Japan, Taiwan, etc.
	Other		Other unlisted country or region.
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