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[[File:Pin Mills_1.jpg|thumb|200px|right|Pin Mills]] | |||
[[File:Pin Mills_2.jpg|thumb|200px|right|Pin Mills Parts]] | |||
'''Pin Mills''' are also referred to as [[Centrifugal Grinding Mills]]. It provides a simple, inexpensive means of grinding, sizing, de-agglomerating and homogenizing material, and can be employed as an effective infestation destroyer. It yields particle sizes down to 325 mesh and is primarily used for friable materials. Available in #304 stainless steel, sanitary, abrasive resistant and standard carbon steel design, the Centrifugal Impact Mill operates without screens, hammers, knives or rolls. | |||
==Operation== | |||
Metered material is gravity fed through the centrally located inlet of the "stator disc". Centrifugal forces accelerate the material and launch it into the impact zone. The action created by the stationary and rotating pins creates a "treacherous path" for material to pass through. Achieving the desired tight particle size distribution is obtained by controlling the rotor speed. Varying the rotor speed between a few hundred rpm up to 5400 rpm provides the flexibility to use the machine as a coarse grinding or de-agglomerating unit as well as a fine grinding mill. Whether the machine is used for cracking wheat, grinding iron oxide powder, creating powdered sugar or as a cellulose fiber conditioner, large production throughput rates can be attained in an inexpensive, compact machine. It also fits in neatly after most flaking operations. | |||
==Applications== | |||
*Fine grinding of friable materials | |||
*Coarse grinding friable materials | |||
*De-agglomerating | |||
*Conditioning of cellulose fibers | |||
*Tight particle size control | |||
==Features== | |||
*Free impact, no attrition | |||
*No screen to clog | |||
*High throughput per H.P. | |||
*Handles liquids or solids | |||
*Simple construction | |||
*Easy to clean | |||
*Blow-through capability | |||
*Low temperature rise | |||
*Compact installation dimensions | |||
==Advantages== | |||
===External bearing column=== | |||
Fast, easy maintenance.Isolates bearings from material to avoid contamination | |||
===Oil or grease lubrication=== | |||
Optimum lubrication for specific application prevents premature bearing failure and reduces maintenance costs | |||
===Completely sealed construction=== | |||
Allows in-line controlled atmosphere grinding or mixing, so you don’t need extraordinary, expensive separate processing steps | |||
Kind to operating environment, no dust | |||
===Robust design=== | |||
Gives you longer equipment life, reducing maintenance and replacement costs | |||
===Makes product homogeneous=== | |||
Improves your product quality | |||
===No internal screens=== | |||
No blinding, so your machine runs continuously | |||
No need to shut down machine to clean screen, saving you maintenance time and money | |||
==Video== | |||
<youtube>is3jCuzEb6Y</youtube> | |||