Abrasive Backing
Backing is one of the most critical components and it is often overlooked. It has to be strong enough to retain grain from wearing too early but not too strong to cause glazing on the surface of the disc. The most widely used are X weight cotton, poly-cotton and polyester backings. Each of these backings has its own advantages and disadvantages. If you would like additional information on how it affects flap disc performance, please don’t hesitate to contact us.
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Grain Type
The grain type is dependent on your application. Most common grain used is Zirconium, due to its price to performance ratio and because it works well on all types of metals. We use abrasive material made with Hi-Tech self sharpening zirconium grain. Other commonly used grains are Aluminum Oxide, Ceramic and Silicon Carbide. Lately, non–woven material is also used for finishing discs.
Resin
Resin is used to bond the grain to the abrasive backing. Usually there are two coats of resin but in some cases a third coat is added with agents to improve performance, for cooler grinding and reduced loading and glazing of abrasive surfaces.
Abrasive Material Quality
Abrasive materials might look and feel the same, but actually using them tells another story. The most visible difference is in coarser grits (36, 40, 50 and sometimes 60 GRIT). The ratio between removed material to disc loss is too low or simply the disc is not performing to its specifications. Quantity of quality grain varies by manufacturer, and so too does the price. There are no performance guarantees; different materials perform identically and sometimes even identical materials perform differently. German manufacturers are leaders in abrasive material manufacturing and they are known for consistent quality. To make sure you are buying the right product, make sure to ask your flap disc supplier about its abrasive material manufacturer and the type of material used. Check with your supplier regularly, as samples could perform differently than product shipments.
The Complete Anvil Buyer's Guide
Professional veterans of blacksmithing and hobbyists alike can benefit from enhancing their education on anvil uses, types, and parts with our Centaur Forge complete anvil buyer's guide.
Use this guide to help make clear any parts or functions of the anvil that may be unknown to you, and reference it as you browse our selection of modern, multi-purpose, and specialized anvils.
Anvil Uses
Though some anvils are made for multi-purpose use, many of them have one or more specialized parts for custom use by professionals in different smithing fields.
Farrier Smithing
The farrier combines his or her veterinary knowledge with highly specialized smithing skills that include:
- Forging metal horseshoes
- Adapting metal horseshoes to particular uses
- Adjust metal horseshoes to fit horses of various sizes and breeds
Farriers take advantage of turning cams on their anvils to help create the sharp radii of horseshoes and make fine adjustments to curvature easier.
Suggested item: NC 112 lb. Cavalry Anvil
Blacksmithing
The blacksmith is a generalist who creates functional metal pieces for use across disciplines and industries.
The blacksmith's anvil often has a more rounded horn for creating rings and a flatter face with sharper edges for crafting strong items with consistent corners.
Suggested item: Cliff Carroll 125 lb. Anvil
Coppersmithing
Coppersmiths can work copper cold or hot, but working it cold increases the risk of breaking the metal.
Because it is so soft, smiths can use any anvil for copper smithing provided it has the surfaces needed to shape the end-product. Functional copper pieces may require a blacksmith's anvil, but decorative pieces may be easier to create with a farrier's anvil.
Silversmithing
Silver is much more robust than copper; accordingly, it requires a heavy-duty steel anvil to work with.
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Goldsmithing
Goldsmithing also requires an anvil with denser metal more tightly packed into its shape.
Smiths also work with other metals such as pewter and tin, and can be named for the products they forge such as swords, knives, and arrows.
Parts of an Anvil
All anvils come with a face and horn. Some anvils have multiple horns, turning cams, and special attached tools for specialty jobs.
- Face - The upward-facing flat surface of your anvil where most your general work occurs. It may have sharp edges to create tight corners, or tapered or rounded edges to create curved shapes.
- Horn (Cone) - The angular or rounded piece that tapers at the end and attaches to the face of the anvil. Its roundness allows smiths to forge ring shapes and large curves.
- Heel - The back of the anvil; may be either squared, rounded, tapered, or may have additional tools or horns attached.
- Hardy Hole - A square, tapered hole for holding hardy tools such as chisels and bending drifts.
- Pritchel Hole - A punched hole in the anvil for making nail holes in horseshoes. You’ll find these most often on farrier anvils, but blacksmiths can also use them for special projects.
- Turning Cams - Small protrusions in the anvil surface for shaping horseshoes. These exist on farrier anvils, but blacksmiths can also use them for material that bends.
Types & Styles of Anvils
Two main different types, or styles, of anvil exist that have functionality adequate for most smithing jobs.
Farrier & Shoeing Anvils
The farrier anvil is specially equipped to create shallow, rounded edges and deep curves. It often features rounded edges on the face, a broader horn than the blacksmith anvil, and two knobs called turning cams that help make fine adjustments to the shoe. They also often come with a pritchel hole for making nail holes in horseshoes.
Suggested items:
- TFS 70 lb. Farrier Anvil
- Emerson 100 lb. Traditional Anvil with Turning Cams
TFS 70 lb. Farrier Anvil
Blacksmith Anvils
The blacksmith anvil is specially equipped to create sharp, tight corners and flat surfaces. It is often square at the heel to help keep finished surfaces level. The horn is usually more cone-shaped and not quite as wide as a farrier anvil so that blacksmiths can create ring shapes.
Suggested items:
- Kanca 110 lb. Drop-Forged Double Horn Anvil
- Scott 105 lb. Anvil with Square Heel
Kanca 110 lb. Drop-Forged Double Horn Anvil
Anvil Durability
Anvil shapes vary greatly, but the metallurgic processes through which they are designed most often fall into one of two categories:
Cast Steel
The casting process uses molten metal cast or injected into custom-made molds. Very little refining occurs after the metal has been cast, but it comes with these advantages:
- Easy production - since casts are premade and need only to be injected with material, you may be able to save money on the front end.
- High tolerance - more advanced anvil shapes and designs with specialized tools are possible through the casting process.
- Superior appearance - cast steel can reach levels of detail that would take careful and precise labor efforts to reproduce through forging.
Drop-Forged
The drop-forging process uses dies, compression, and temperature to shape the anvil. It comes with these advantages:
- Durability - grain flow develops smoothly as the metal is beat to forge the anvil, which makes it particularly long-lasting.
- Low cost - anvils can be drop-forged with less expensive materials and fewer specialty tools.
- Strength - drop-forged anvils stand up to the rigors of working with silver and gold better than cast steel anvils.
In general, drop-forged anvils tend to be stronger and longer-lasting, but cast steel anvils allow for more flexibility in function and sometimes command lower anvil prices.
What Size Anvil Do I Need?
The size of your anvil, measured in weight, should be determined by the size of the items with which you plan to work. Smaller anvils are not only used by beginner blacksmiths and farriers; they are also particularly useful for master craftspeople such as jewelers.
<100 lbs.: Best for training and jewelry
100 lbs. - 200 lbs.: Best for general blacksmithing and farrier work
200 lbs.>: Best for large-scale metal projects
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Prices for Anvils & Where to Buy