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Ultra-Fine Grinding

 

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Precision Knife Mill, type PS

Finest Grinding of Fibers, Films and Foamed Materials

Method of Operation

Precision Knife Mills allow the processing of film in form of rolls, edgings and loose material, cellulose, linters, textiles as well as natural and synthetic fibers, into fine powders with smooth particle surface and high bulk density.

Furthermore, Precision Knife Mills are also used for the recycling of valuable materials such as metal chips and foams.

Installation of the granulator is on the production floor or in a pit. Feeding is done pneumatically, with a metering screw, or feed rollers may be used for feeding material in rolls.

Material is size reduced between rotor- and bed knives. A screen holds material inside the grinding chamber, as long as it is too coarse. Fine material gets discharged through the screen into a pneumatic discharge system.

An open, slant cut rotor is standard. Bearings are outboard and no grease can enter the grinding chamber. Rotor and bed knives are adjusted outside the machine in a knife setting jig. Knife gap setting inside the machine is no longer necessary. A constant cutting circle is ensured. The screen is almost 180 and has a large open screen area. The standard hole size of the screen is 0,1 mm. Other screen sizes are available.

  1. Draw-in device for rolls and sheets
  2. Feed chute for loose materials
  3. Precision Knife Mill
  4. Fan
  5. Cyclone
  6. Collecting bin

 

Advantages & Features

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Cool grinding operation; no thermal degradation of the material

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High throughput rates at small particle sizes

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Low energy consumption

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Precision bearings for minimum knife clearance

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Bearings are outboard; no contamination of material with grease

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No knife adjustments inside the machine necessary

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Slant cut rotor ensures maximum capacity

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Good access to the cutting chamber for easy cleaning

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Safety switches for maximum operator safety

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Simple screen change

 

Applications

Pulverizing of film in form of rolls, edgings and loose material, cellulose, linters, textiles as well as natural and synthetic fibers, into fine powders with smooth particle surface and high bulk density..

  • Plastics Materials

    • Films

    • Foams

    • Synthetic Fibers

    • Textiles

  • Chemical / Food

    • Cellulose

Technical Specifications

Type

PSC

5-5

5-7.5 5-10 5-12.5

Grinding Diameter

mm

500

500 500 500

Cutting with

mm

500

750 1000 1250

Main Motor

kW

22-37

30-55 45-75 55-90
In-feed Roller Motor kW 1.1-3.0 1.1-3.0 1.1-3.0 1.1-3.0

* Throughput Rate  may vary depending of the feed material

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2009 PALLMANN Industries, Inc.
PALLMANN Industries, Inc.
36 Atlantic Way, Clifton, New Jersey 07012 - USA
Phone: (973) 471-1450 - Fax: (973) 471-7152
Email: info@PallmannIndustries.com