Peterson Corp. News


Hammer

The hammer is the bit holder and bit assembly, which includes the bit spacer. The hammer strikes against the anvil, breaking material up. The bit holder can be referred to as the hammer without referring to the whole assembly.  A series …

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Breaker Bars

Breaker Bars are chromium steel strips welded to the inside face of a grate which act as a anvils, assisting in the breakup of feedstock.

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Grate

A grate is a rectangular piece of steel that contains a pattern of holes which helps size feed material and allows it to pass from the grinding chamber to the discharge belt. After the holes are cut into the steel, the …

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Grate Opening

The grate opening refers to the hole size and hole shape that is cut into a steel grate. The grate opening allows material to exit the grinding mill onto the discharge conveyor. Grate hole sizes can be as small as 5/8" (1.5875 …

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Carbide Overlay

An overlay is a process that bonds one or more metals to a base metal via welding. In the case of a grinding bit, the steel forging is the base metal and the overlay that is applied to the forging consists …

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Sharp Edge Bit

A Sharp Edge Bit is a carbide overlay bit with tall, sharp cutting edges.  This bit cuts through dense, woody material efficiently and with less energy than a more blunt edge bit saving fuel and increasing production.

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High Abrasion Bit

The Peterson High Abrasion bit utilizes a cast carbide technology for maximum service life in the most extreme applications. The entire face of the bit is embedded with abrasion resistant carbide particles and the corners of the forging are reinforced with …

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Grate Position

Grate position refers to the order in which the grates are installed in the grinding mill. On a Peterson machine, the first grate is attached to the anvil housing and is referred to as the #1 position.  The #2 position is …

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ASG Breaker Grate

The ASG Breaker Grate is a specific type of Peterson anvil breaker grate used specifically for asphalt shingle grinding. The breaker grate has chromium steel breaker bars welded to the inside face which helps break up material more efficiently with this …

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Standard 6-Pass Carbide Overlay Bit

The Standard 6-Pass bit is a carbide overlay bit with 6 passes of carbide protection on the forging.  All four cutting edges along with two passes on either side of the forging make up the 6 passes of carbide protection on this grinder …

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Tiger Tooth Bit

The Tiger Tooth bit is a carbide overlay bit similar to the Sharp Edge Bit but with the cutting edge notched in the middle creating two tall carbide overlay "teeth" on either end of the forging. These "teeth" can efficiently penetrate …

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Knife Edge Bit

A Knife Edge Bit is a heat-treated steel forging with sharply ground cutting edges much like the blade of a knife. The sharp edges "cut" wood rather than "hammer" wood creating a "clean" wood fragment rather than a "fuzzy" wood fragment …

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Heavy-Duty 8-Pass Bit

The Heavy-Duty 8-Pass Bit is a carbide overlay bit with 8 passes of carbide protection on the forging. All four cutting edges along with two passes on the side of the forging as well as two passes on the face of …

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Hex Grate

A hex grate refers to the hole shape that is cut into the face of a grate which allows end product to pass through. A hexagonal pattern is made up of 6 sides and 6 angles which allow for efficient nesting of multiple …

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Rectangular Grate

A rectangular grate has rectangle shaped grate openings in the grate material. This style provides very good sizing but without the decrease in productivity experienced with round openings. A rectangular grate refers to the hole shape that is cut into the face …

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Round Grate

A round grate refers to the hole shape that is cut into the face of a grate which allows end product to pass through. A round hole, generally limited to 2” (5.08 cm) or less opening size, produces a more consistent sized product and …

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Square Grates

Square grates refer to the hole shape that is cut into the face of a grate which allows end product to pass through. A square hole can be nested efficiently maximizing open area.

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Baffled Grates

Baffled grates have steel strips welded horizontally across the backside of the grate under the hole openings. These strips help hold long wood spears within the opening so a trailing grinding bit can break the long piece of wood into smaller …

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Bear Claw Bit

The Bear Claw Bit utilizes carbide insert technology to create an extremely aggressive grinding bit that is best used when grinding solid wood in a clean, contaminant free environment. The wear-resistant carbide inserts are brazed onto the forging and resemble the claws of a …

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Anvil Breaker Grate

The Anvil Breaker Grate is a Peterson innovation which can be used for grinding asphalt shingles or waste wood for mulch.  The breaker grate has chromium steel breaker bars welded to the inside face which helps break up material more …

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Animal Bedding Grate

Peterson's Animal Bedding Grate is designed with smaller, more precise openings, to filter a smoother finer chip, for customers who require the highest standards for their animals. The animal bedding grate is ideal for customers looking for low static, low …

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