Centerless Grinding Services Specifications

Help with Centerless Grinding Services specifications:

Capabilities

	Diameter
	Your choices are...
	Less than 1"		Part diameter is less than 1".
	1" - 3"		Part diameter is between 1" and 3".
	3" - 6"		Part diameter is between 3" and 6".
	Greater than 6"		Part diameter is between 6" and 48".
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Materials

	Your choices are...
	Aluminum		Aluminum is a bluish, silver-white, malleable, ductile, light, trivalent metallic element with good electrical and thermal conductivity, high reflectivity, and resistance to oxidation.
	Brass		Brass provides good strength, excellent high-temperature ductility and reasonable cold ductility, good conductivity, excellent corrosion resistance, good bearing properties and low magnetic permeability.
	Bronze		Bronze is an alloy of copper, tin, phosphorous, antimony or other materials. It usually consists of 0.5 - 10% tin and is harder, stronger, and more corrosion-resistant than brass.
	Carbide		Carbides include silicon carbide, tungsten carbide, and titanium carbide as well as other compounds of a metal (Ti, W, Cr, and Zr) or metalloid (B, Si) and carbon. Carbides have excellent wear resistance and high hot-hardness.
	Cast Iron		The term "cast iron" refers not to a single material, but to a family of materials whose major constituent is iron, with important trace amounts of carbon and silicon. Cast irons are natural composite materials whose properties are determined by their microstructures - the stable and metastable phases formed during solidification or subsequent heat treatment. The major microstructural constituents of cast irons are: the chemical and morphological forms taken by carbon, and the continuous metal matrix in which the carbon and/or carbide are dispersed.
	Ceramics		Ceramics are any of various hard, brittle, heat-resistant and corrosion-resistant materials made by shaping and then firing a nonmetallic mineral, such as clay, at a high temperature.  Industrial ceramic materials consist of oxides, carbides, nitrides, carbon and other non-metals with high melting points.  Ceramic material types include alumina / aluminum oxide (Al2O3), boron nitride (BN), cubic boron nitride (CBN), silicon nitride, zirconia, and many others.
	Composites		Composites are solid materials that are comprised of two or more substances with distinct properties. When merged, each substance retains its own characteristics while imparting beneficial properties to the entire composition. An example of a composite is a plastic material in which a fibrous framework is embedded for greater structural stability.
	Copper		Copper is a common reddish metallic element that is ductile and malleable and one of the best conductors of heat and electricity.  Copper alloys are specified for services where superior corrosion resistance, electrical conductivity and good bearing surface qualities are desired. Casting readily produces irregular and often complex external-internal contours. All copper-base alloys are easily plated, brazed, soldered and machined.
	Diamond / PCD		Synthetic diamond is produced synthetically in a high temperature, high pressure process anvil press. Diamond is a superabrasive grain with the highest known hardness and a cubic crystal structure. Diamond is used for grinding nonferrous metals, ceramics, glass, stone, and building materials. Diamond is not useful in grinding steel or ferrous alloys because carbon or diamond readily dissolves or reacts with iron.  Diamond pastes are useful in ferrous polishing or lapping applications where heat and reactivity are not a factor.  Diamond is susceptible to oxidation at higher temperatures.  Industrial diamond grades such as polycrystalline diamond (PCD) are used for very long life, and sometimes for special applications such as very high-speed cutting.
	Glass		Glass is a hard, brittle material consisting of a mixture of silicates. It is usually transparent or translucent. Glass is considered to be a cooled liquid rather than a true solid.
	Glass Ceramics		Glass ceramics are ceramics that can be fused and then molded, formed, ground or machined using conventional glass fabrication techniques.  After part fabrication, the glass ceramic's structure is transformed from an amorphous glassy state to a crystalline ceramic state. MACOR®  is widely applied glass ceramic with a fluorine rich glass composition approaching trisilicic fluorphlogopite mica (KMg3AlSi3O10F2). MACOR® is a trademarked proprietary material of Corning Corporation.  Ceran®, Ceramat®, Robax® and Zerodur® are widely applied proprietary glass ceramics from Schott Glass Corporation.
	Hardened Metals		Metals such as tool steel are hardened prior to machining.
	Nickel / Nickel Alloys		Nickel and nickel alloys include products such as Monel®, Kovar®, Invar®, Inconel®, Incoloy®, and Hastelloy®. Monel, Inconel and Incoloy are registered trademarks of Special Metals Corporation. Kovar and Invar are registered trademarks of Carpenter Technology. Hastelloy is a registered trademark of Haynes International.
	Precious Metals		Precious metals are valuable, relatively scarce, highly corrosion-resistant, and found in periods 5 and 6 of the periodic table. They include ruthenium, rhodium, palladium, silver, osmium, iridium, platinum, and gold.
	Quartz		Quartz is a form of silica, or silicon dioxide, occurring in hexagonal crystals, which are commonly colorless and transparent, but sometimes also yellow, brown, purple, green, and of other colors.
	Sapphire / Ruby		Sapphire is a high purity and density, single crystalline form of aluminum oxide, which may contain chromia, titania, yttria or other dopants.  Sapphire is usually transparent or translucent.  Sapphire ceramics are used in lasers, substrates, jewel bearings, watch crystals or other specialized, optical, wear and electronic applications. Ruby, corundum, topaz are other names for natural or synthetic sapphire.  Ruby is chromium doped sapphire used in optical filters and laser rods.
	Stainless Steel		Stainless steel is chemical and corrosion resistant and can have relatively high pressure ratings.
	Steel / Steel Alloys		Steel and steel alloys are metals for which iron is the primary constituent. This category includes carbon and cold-rolled steels, stainless steel, etc.
	Titanium		Titanium is a hard, lustrous, silvery element that is relatively abundant in the Earth's crust. It is known for its lightness, strength, and corrosion resistance. For this reason it is used widely in the aerospace industry and the medical fields (e.g., replacement joints).  When alloyed with other metals, especially steel, titanium adds strength and oxidation resistance.
	Other		Other unlisted, specialized, or proprietary material.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

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Services

	Your choices are...
	Field Machining		The vendor has the ability to travel to the worksite and perform the service, also known as on-site machining. This service is for large equipment that is impractical to move.
	CAD / CAM Support		Suppliers can receive solid-model files electronically and/or use those files for part creation. Consult the supplier for details on computer aided design (CAD) software, computer aided manufacturing (CAM) software, and support capabilities.
	Design Assistance		Supplier can assist with concepts, manufacturing costs, manufacturing techniques and material considerations. Suppliers may also be able to assist in upgrading or redesigning, re-evaluating or modernizing existing products to increase performance and/or reduce manufacturing costs.
	Just-in-Time Delivery		Suppliers have just-in-time (JIT) manufacturing capabilities of components in order to reduce need for inventory maintenance.
	Prototype Services		Suppliers can build a small quantity of representative parts for use in presentations and functional testing.
	Low Volume Production		Suppliers provide low-volume production.
	High Volume Production		Suppliers provide high-volume production.
	Other		Other unlisted, specialized, or proprietary services.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

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Location

	Your choices are...
	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.
	Near East Only		Companies are located in the Near East, namely Egypt, Israel, Saudi Arabia, etc.
	South Asia Only		Companies are located in South Asia, namely India, Pakistan, Nepal, etc.
	East Asia / Pacific Only		Companies are located in East Asia, namely China, Japan, Taiwan, etc.
	Other		Other unlisted country or region.
	Search Logic:		Products with the selected attribute will be returned as matches. Leaving or selecting "No Preference" will not limit the search criteria for this question; products with all attribute options will be returned as matches.

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