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What is a Disc Mill?

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  • Written By: B. Turner
  • Edited By: W. Everett
  • Last Modified Date: 07 November 2016
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A disc mill is a piece of equipment used for crushing or grinding. These machines can range from small laboratory models that fit on a tabletop to large industrial milling machines in factories and quarries. The disc mill consists of a series of steel plates, or discs, that rotate within a machine to crush stones, metal, or other materials. Depending on the type of material being crushed or ground, the discs may have smooth or serrated edges. Some even have blades or spikes attached to the discs for cutting and shredding.

Buyers can choose from several different types of disc mills to suit the needs of different applications. Single-wheeled models consist of one disc that runs along a steel base to grind items, while a double-wheeled disc mill crushes items by grinding them between two interconnected plates. Basic models feature manual controls, while more advanced units can be programmed using a keypad or computer program. Vibrating disc mills use high-speed vibration to separate items after they have been crushed or ground. For example, a vibrating disc mill may be used to remove the shell from seeds or nuts, then to automatically dispose of the shells so the nuts can be easily collected.

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These machines are popular tools for agricultural applications, where they are used for milling corn and grains after harvest. Disc mills are also used in food and chemical processing, and to crush stone and metal products. Disc mills may be used in mining operations to separate minerals and other valuable elements from the surrounding rock. They are also widely used in recycling plants for grinding paper, plastics and other reusable materials.

Users who need a higher level of strength and power than a hammer mill or ball milling machine can offer can use a disc mill grinder. This means they can handle harder or more durable materials like stone and steel, which may damage other types of milling equipment. They also have a relatively large capacity on average, and can accommodate large quantities of material in a single batch. Compared to hammer mill or ball mills, the disc mill is also relatively quiet, and less likely to cause hearing damage to nearby workers.

Disc mills are relatively expensive to run and maintain however, and tend to require frequent maintenance. Discs may experience wear over time as they grind various materials, which can reduce performance. The machines also produce a large amount of dust, and must be carefully ventilated when used in an indoor workspace.

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