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Union Process SD Series

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SD Series

The SD Dry Grinding Attritors can be operated in both continuous and batch processing applications. In the continuous operation, the material is fed into the vessel at the top. It then migrates through the agitating media bed where it is processed to a desired particle size and is discharged through metering bar grids at the bottom of the tank.

In the batch mode, material is charged into the mill at the top, ground for a predetermined time, then discharged through grids at the bottom. The system can easily be sealed for grinding under inert gases such as nitrogen or argon.

The SD Attritor is also used to make dispersion-strengthened metal (DSM). In this process (known as mechanical alloying or cold welding), the kinematic porosity results in the grinding media breaking the metals into small particles and beating them together to form agglomerates. By repeating the process, the various metals are evenly mixed and dispersed to form a new composition of alloy (DSM).

Union Process SD Dry Grind Attritors are ruggedly built machines with specially designed, two-speed, high starting torque motors. They are also equipped with jacketed, stainless steel tanks and tilting mechanisms for ease of cleaning and maintenance.

Common Applications
Ceramic Powders, Glass frits, Metal powders, Mechanical alloying, Metal oxides, Fibers and cellulose, Food products, Ferrite, Pigments, Minerals, Coal and coke, Graphite, Plastics and rubbers, Chemicals

Models

SD-5
Attributes

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Feed Materials Ceramic, glass, metal, metal oxids, food products, minerals, ferrite, coal and coke, graphite, plastics and rubbers, chemicals, fibers and cellulose, pigments
Mill Type Rotor Beater Mill
Motor 5-10 HP
Sample Size 2-3 gallons
Depth 68 in
Height 79 in
Width 34 in
Weight 2000 lbs
Additional Specifications Media Volume: 5 gallons
SD-10
Attributes

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Feed Materials Ceramic, glass, metal, metal oxids, food products, minerals, ferrite, coal and coke, graphite, plastics and rubbers, chemicals, fibers and cellulose, pigments
Mill Type Rotor Beater Mill
Motor 10-20 HP
Sample Size 4-6 gallons
Depth 41 in
Height 83 in
Width 59 in
Weight 2400 lbs
Additional Specifications Media Volume: 9 gallons
SD-15
Attributes

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Feed Materials Ceramic, glass, metal, metal oxids, food products, minerals, ferrite, coal and coke, graphite, plastics and rubbers, chemicals, fibers and cellulose, pigments
Mill Type Rotor Beater Mill
Motor 15-25 HP
Sample Size 5-7 gallons
Depth 41 in
Height 86 in
Width 59 in
Weight 2800 lbs
Additional Specifications Media Volume: 12 gallons
SD-30
Attributes

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Feed Materials Ceramic, glass, metal, metal oxids, food products, minerals, ferrite, coal and coke, graphite, plastics and rubbers, chemicals, fibers and cellulose, pigments
Mill Type Rotor Beater Mill
Motor 25-60 HP
Sample Size 10-18 gallons
Depth 44 in
Height 96 in
Width 66 in
Weight 5500 lbs
Additional Specifications Media Volume: 25 gallons
SD-50
Attributes

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Feed Materials Ceramic, glass, metal, metal oxids, food products, minerals, ferrite, coal and coke, graphite, plastics and rubbers, chemicals, fibers and cellulose, pigments
Mill Type Rotor Beater Mill
Motor 40-75 HP
Sample Size 15-25 gallons
Depth 48 in
Height 104 in
Width 74 in
Weight 6000 lbs
Additional Specifications Media Volume: 37 gallons
SD-100
Attributes

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Feed Materials Ceramic, glass, metal, metal oxids, food products, minerals, ferrite, coal and coke, graphite, plastics and rubbers, chemicals, fibers and cellulose, pigments
Mill Type Rotor Beater Mill
Motor 60-125 HP
Sample Size 30-50 gallons
Depth 58 in
Height 114 in
Width 84 in
Weight 7900 lbs
SD-200
Attributes

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Feed Materials Ceramic, glass, metal, metal oxids, food products, minerals, ferrite, coal and coke, graphite, plastics and rubbers, chemicals, fibers and cellulose, pigments
Mill Type Rotor Beater Mill
Motor 125-200 HP
Sample Size 60-100 gallons
Depth 64 in
Height 126 in
Width 94 in
Weight 14000 lbs
Additional Specifications Media Volume: 150 gallons
SD-250
Attributes

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Feed Materials Ceramic, glass, metal, metal oxids, food products, minerals, ferrite, coal and coke, graphite, plastics and rubbers, chemicals, fibers and cellulose, pigments
Mill Type Rotor Beater Mill
Motor 150-200 HP
Sample Size 75-125 gallons
Depth 68 in
Height 136 in
Width 106 in
Weight 16000 lbs
Additional Specifications Media Volume: 187 gallons

Features

  • All eight models can be outfitted to operate in either batch or continuous mode.
  • All models equipped with ammeter.
  • When metal contamination must be eliminated, tank liners and arm sleeves of tungsten carbide or various ceramics can be applied.
  • Cover seals can be provided for conditions where dust control is desired, or where grinding must be done under a closed inert gas system.
  • Torque meter is available including torque and speed sensor read-out.
  • Media discharge valves can also be installed.
  • Variable frequency drives and controls are available.

Photos

  • Flexible Design SD-50 Attritor
Flexible Design SD-50 Attritor

Flexible Design SD-50 Attritor

Manuals and Resources

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Instrument Documents

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Scores of patents, refinements and advancements later, Union Process milling technology now plays a vital role for many Fortune 500 companies in a wide...

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