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Topic: Vacuum casting

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	Vacuum casting - Wikipedia, the free encyclopedia
		Vacuum casting is a means of casting small metal parts or jewelry that have fine detail or for casting various plastic materials.
		The liquid to be cast will be driven into the mold by atmospheric pressure, while the vacuum will also remove trapped air that would otherwise impede the free flow of the liquid casting material.
		Vacuum casting is applied as an alternative to centrifugal casting of metals which is used in similar situations.
	en.wikipedia.org /wiki/Vacuum_casting (125 words)

	Vacuum casting proves ideal for robot casing: News from MCP Tooling Technologies
		Vacuum casting resins from MCP Equipment achieved the speed of turnaround plus the translucent properties required to build the prototype models of Cybot, the new build-up robot available via a fortnightly magazine.
		Amalgam's Prototyping Manager, Mike Harvey, explains, "By using vacuum casting to produce the prototypes, we were able to offer the client the speed of turnaround they wanted and something which for all intents and purposes had the looks and functionality of the production item.
		The beauty of vacuum casting is that once you have a silicone mould of the final part design, you can produce prototypes in a variety of colours and in materials with a variety of properties.
	www.engineeringtalk.com /news/mcp/mcp106.html (599 words)

	App Solutions \| Electrolux Case Study
		Vacuum cleaners and their accessories are among the most common items in our everyday life, and like all domestic appliances they should perform their function reliably.
		At the same time as the design and construction of the individual vacuum cleaner components, work had to start on the construction of a functional model to be used in the design analysis of noise level, filtering efficiency, performance and handling.
		Prototypes were made of all the plastic parts of the Clario vacuum cleaner, including the upper and lower shells, controls, handle, switches, cable roller, trim for the microfilter screens, and catches.
	www.3dsystems.com /appsolutions/casestudies/atwork_electrolux.asp (794 words)

	Steam Casting 1
		I believe that the expensive high volume casters may actually use the force of a vacuum to cast the metal, but the small vacuum casters that are under $1,000.00 do not use the force of vacuum to actually cast the metal.
		I believe that it is not the force vacuum that actually casts the metal in to the mold, but the force of suction that does the casting.
		Pressure casting is used in large companies for casting what I call industrial metals--metals like high tech alloys and metals like magnesium, so I will not discuss this method much.
	www.frii.com /~dnorris/steamcast1.html (2212 words)

	TCT News - archive issues articles
		A variety of vacuum casting resins were then used to achieve the various individual component requirements.
		MCP 2111, a resin that replicates the appearance and properties of rubber, was used to cast the corner mouldings and the feet, which needed to grip smooth surfaces such as aircraft wings.
		Because PDG made the decision to vacuum cast from the outset of the project, the company was able to design in certain features, which would have been prohibitively expensive to injection mould, for example the large undercut on the top of the remote unit.
	www.time-compression.com /x/guideArchiveArticle.html?id=6675 (468 words)

	MCP Vacuum casting system
		Vacuum castings are precise replicas of the patterns, dimensionally accurate without blemishes, with all profiles and textures faithfully reproduced.
		After casting the resin, the mould is moved to the heating chamber for two to four hours to cure the urethane part.
		Vacuum casting is an alternative technique for the production of prototype castings which mimic injection moulded parts such as ABS, PP, PMMA, PA and different grades of rubber.
	www.mec.cf.ac.uk /services?view=vacuum_casting&style=plain (512 words)

	Aurora Metals - Vacuum Die Casting
		The vacuum casting process was originated and developed by Aurora Metals Division over 45 years ago for casting of high strength, corrosion resistant aluminum bronzes.
		The sprue opening is submerged below the surface of the molten metal and the vacuum is drawn within the receiver, creating a pressure differential between the die cavity and the molten metal in the crucible.
		By controlling the vacuum, the pressure differential between the die cavity and the molten metal can be varied allowing for differential fill rates necessitated by part design and gating requirements.
	www.aurorametals.com /vd.htm (383 words)

	Vacuum Machines - Kingsley North
		Vacuum assist casting can also be used on this unit with regular solid wall flasks.
		When casting the machine creates a vacuum at one end of the flask, which pulls the air and gases from the mold so that the molten metal flows quickly to every opening.
		Larger flasks can be cast with this machine than with the centrifugal machine (although it is not possible to specify exact sizes, as the amount of metal to be cast, the shape of the cavity, etc., will all affect the size).
	www.kingsleynorth.com /skshop/products.php?catID=274 (340 words)

	page3a
		Vacuum casting is a process that allows the user to evaluate moulding designs without committing to the delays and expense of production tooling.
		Rigid and flexible RIM moulded and cast components are extensively used in exterior and interior automotive applications, housings for computers, copiers, typewriters and electronic equipment, domestic appliances, office furniture and sporting goods.
		The molten wax is then poured into the mould, under vacuum, and then passed to the foundry for investment casting in the normal way.
	ourworld.compuserve.com /homepages/timerapid/page3.htm (1092 words)

	Vacuum Induction Melting and Casting
		Vacuum induction melting was originally developed for processing of specialised and exotic alloys and is consequently becoming more commonplace as these advanced materials are increasingly employed.
		The molten metal may be poured/cast either under vacuum or inert gas environments.
		Metals and alloys that have a high affinity for gases, in particular nitrogen and oxygen are often melted/refined in vacuum induction furnaces to prevent contamination/reaction with these gases.
	www.azom.com /details.asp?ArticleID=1505 (296 words)

	Find Vacuum Casting
		The vacuum casting process was originated and developed by Aurora Metals Division over 45 years ago for casting...
		Vacuum casting is a process that allows the user to evaluate moulding designs without...
		A process is described which associates continuous casting and vacuum refining in order to continuously project the cast product into the air.The process is used to cast 33 mm diameter uranium...
	cleaning.4happyhomes.com /cleaning/vacuum-casting.html (452 words)

	Vacuum Casting (Site not responding. Last check: 2007-10-10)
		Vacuum investing and casting table with casting pad in place, another piece of US kit with it's source proudly displayed.
		Fridge compressor takes nearly 3 minutes to pull 27 inches of vacuum so is not really man enough for the job.
		Shopping list - well a kiln for sure, the smallest Neycraft unit looks nice and a bigger vacuum pump after that, still baulking at the cost of 3cfm pumps from jewellers suppliers though - suspect air conditioning/ refrigeration companies are a better bet.
	www.agatehouse.co.uk /vaccast.htm (430 words)

	Vacuum casting materials have excellent HDT values: News from MCP Tooling Technologies (Site not responding. Last check: 2007-10-10)
		Vacuum casting resins with excellent HDT properties plus the ability to pigment resins to match all pantone or RAL colours are now available to produce complex plastics prototypes.
		MCP 2185 vacuum casting resins Vacuum casting materials have excellent HDT values New vacuum casting resins with excellent HDT properties plus the ability to pigment resins to match all pantone or RAL colours are now available to produce complex plastics prototypes.
		New vacuum casting resins with excellent HDT properties plus the ability to pigment resins to match all pantone or RAL colours are now available from MCP Tooling Technologies.
	www.manufacturingtalk.com /news/mcp/mcp105.html (448 words)

	MCP Group - Cti MCP Vacuum Casting
		Castings Technology International (Cti) has invested in a new high capacity vacuum casting machine to speed the production of wax patterns for investment casting.
		Unlike conventional vacuum casting where both mixing and filling of the mould are undertaken at the same vacuum levels, the VarioVac Module incorporates two totally separate vacuum chambers.
		The ability to use the same unit to cast parts and prototypes in wax, PU resins and alloys demonstrates the true versatility of MCP's new generation Vacuum Casters.
	www.mcp-group.com /rpt/rptnews_32.htm (449 words)

	Casting
		The vacuum casting complex is designed for precise vacuum casting in jewelry.
		The optimal solution for art casting, casting of sophisticated industrial items out of non-ferrous metals.
		The mini vacuum casting complex is designed for precise vacuum casting in jewelry.
	www.enginex.dir.bg /casting.htm (195 words)

	[Ganoksin] Firescale Prevention During Vacuum Casting - An Inexpensive Method
		The method of preventing firescale during the casting process consists of preventing oxygen from reaching the metal while it is cooled in the investment mold.
		The casting was not pickled and does not need to be pickled before polishing it.
		The cooling of the casting flask will take longer due to the fact it is inclosed in the cover flask.
	www.ganoksin.com /borisat/nenam/vacuum-casting-firescale-prevention.htm (798 words)

	Find Vacuum Casting Pumps
		Mount the vacuum casting table on a bench of a height convenient for the easy manipulation of flasks...
		In case single Vacuum pumps (liquid ring pumps, rotary vane pumps) are not suited for a certain process due to their pumping speed and / or their ultimate vacuum, a combination with twin lobe pumps can be used.
		Recent improvements in vacuum processing have broadened the technology`s use in the chemical process industries, running the gamut from vacuum distillation and evaporation, degassing, freeze...
	cleaning.4happyhomes.com /cleaning/vacuum-casting-pumps.html (509 words)

	Chicago Vacuum Casting
		Visit our investment casting benefits page to learn more about the benefits of investment casting, or contact Chicago Vacuum Casting at 773-545-1050 to discuss whether investment casting is right for your application.
		The investment casting method was largely ignored as an industrial process for the fabrication of parts until the demand for rapidly finished parts during World War II created the need for "near net-shape" components that could readily be put into their final form.
		Chicago Vacuum produces castings with an exceptionally smooth finish, typical dimension accuracy of +/-.005” and the capabilities of holding as close as +/-.003” when required.
	www.chicagovac.com /process.htm (504 words)

	Chicago Vacuum Casting
		Chicago Vacuum Casting may be your answer for a quality investment cast, metal casting when your die-casting, powdered metal part, or plastic injection part doesn’t have the adequate strength you require.
		We may be your answer when your sand casting is full of porosity due to trapped gas, or your weldment/fabrication may be cost prohibitive.
		Chicago Vacuum Casting may be able to solve your rust problems with a stainless steel investment cast metal casting.
	www.chicagovac.com /metalcasting.htm (136 words)

	TCE - Centrifugal Vacuum Casting Machine for investment casting
		The machine is suited to produce precision casting of jewellery alloys, dental alloys, industrial alloys, containing gold, silver, platinum, palladium, steel, nickel, CrCo (Chrome-Cobalt), copper, titanium and other reactive elements, with lost-wax investment casting system.
		The casting cycle begins with alloy melting under protective gas or vacuum and the following casting into the flask by centrifugal force.
		Before heating is possible to set a number of gas washing procedures to purge the chamber with vacuum and inert gas flow.
	www.topcast.it /eng/TCE.htm (271 words)

	Aircraft Vacuum Pump \| Electrolux Vacuum \| Hoover Rating Vacuum \| Vacuum Casting (Site not responding. Last check: 2007-10-10)
		Even though we're experts choosing the most appropriate hoover vacuum part sites can be difficult.
		Doing thorough research on and sourcing quality links is time consuming when looking for information on electrolux vacuum bag and select the best web sites from all those available for you to visit.
		Choosing the most appropriate vacuum cleaner buyer guide links and resources is a major undertaking.
	ajqc.info /aircraft-vacuum-pump.htm (238 words)

	Casting vacuum casting
		It is our pleasure to help you to run across the advantageous deals for vacuum casting and anything joined to vacuum casting.
		We have searched everywhere on the Internet in search of the most original ideas for vacuum casting and finalized our results on this summary site that list the websites that offer the most for money when shopping for vacuum casting.
		As the web expands and grows vacuum casting websites become better at supplying the exact help and advice you are looking for Among the great advantages in using electronic commerce by the vacuum casting shop fronts have on real-world stores vacuum casting businesses is that the expenses of doing business is less.
	www.go-seekit.com /casting/vacuum-casting.htm (203 words)

	Vacuum Casting, Vacuum Casting Resins (Site not responding. Last check: 2007-10-10)
		Polyurethane Vacuum casting resin components produced from silicone mould tooling is an economical way of producing near production parts for exhibitions, market research, batch prototyping or in some instances low volume production.
		CRDM has an extensive range of Vacuum Casting Resins designed to emulate most thermoplastics in look, feel, and physical properties such as high heat resistance, flame retardant and UV stability.
		The Vacuum Casting system is perfect for projects requiring 1-300 parts where budgets are tight and lead times short.
	www.crdm.co.uk /services_vac_casting.htm (176 words)

	Seminar explains vacuum casting process: News from MCP Tooling Technologies
		In answer to strong demand for places at last week's event, vacuum casting specialist MCP Tooling Technologies is to hold a second vacuum casting seminar on Thursday 20th November 2003.
		The strong demand for places at last week's seminar presented by vacuum casting specialist MCP Tooling Technologies has led to the company offering a second vacuum casting seminar which will be held on Thursday 20th November.
		This second vacuum casting event (on 20th November) will follow the company's seminar on the theory and practice of manufacturing with benchtop injection moulders, to be held on Wednesday 19th November.
	www.engineeringtalk.com /news/mcp/mcp114.html (319 words)

	TCT News - archive issues articles
		A further advantage, casting in silicone moulds with the nylon casting equipment enables the most complex of nylon parts to be produced in a cycle time of only 6 minutes, even with internal undercuts.
		The equipment operates on the principals of standard vacuum casting machines with a PLC controller, together with a purpose designed nylon module, to control all casting parameters to produce exact prototypes and pre-series runs in Nylon PA6.
		The maximum size of mould which can be used in the nylon vacuum casting machine is 750 mm H x 900 mm W x 750 mm D. The maximum casting capacity of the MCP Nylon Casting Module is 5kg.
	www.time-compression.com /x/guideArchiveArticle.html?id=6564 (750 words)

	VACUUM CASTING (Site not responding. Last check: 2007-10-10)
		Vacuum casting lead times are a bit longer than with 3D printing technology but the result is astounding.
		The new plant will increase Materialise's Polyurethane vacuum casting capacity by 50% giving us the capability to produce over 45000 high quality vacuum cast parts per year.
		The new facility makes Materialise the biggest single supplier of vacuum castings in Europe.
	www.materialise.com /prototypingsolutions/vacuum_ENG.html (200 words)

	VC - Vacuum Casting Service from ARPTECH
		VC (Vacuum Casting) is widely used process in rapid prototyping industry, typically used for making 20 to 40 pieces of functional prototypes out of broad range of polyurethanes and other polymers available.
		Now these mould cavities are used to cast large variety of polyurethane or epoxy materials available.
		acuum Cast parts are not identical to an injection molded parts, because the conditions and method of manufacture are different.
	www.arptech.com.au /services/vcsrv.htm (408 words)

	Neutec Casting Machines - Lacy West Jewellery Tools and Supplies
		Whether you cast hundreds of flasks a week or just a few, it's the quality of the casts that counts.
		Neutec has a casting machine that will suit the needs of any size casting operation, from a small one-person shop to a large manufacturing factory.
		With the same casting capacity and cycle times as the J-10b, the more powerful J-15 can process sprues and buttons or alloys into casting grain 60% faster.
	www.lacywest.com /neutec.htm (552 words)

	Vacuum casting machine features ultra-fast casting speed and simple maintenance
		Topcast Engineering TVC vacuum casting machine offers new features for a wide range of metal alloys: Ultra fast speed, simple and fast maintenance, cheap graphite crucible, low inert gas consumption, fully programmable.
		(PRWEB) May 29, 2004 -- Vacuum casting machines for the lost-wax casting of metal alloy are today widely used in fields like rapid prototyping, jewellery, protesys and dental application, aircraft engine parts.
		Following suggestions from real users, Topcast Engineering TVC vacuum casting machine offers new features for a wide range of metal alloys.
	www.prweb.com /releases/2004/5/prwebxml129636.php (378 words)

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