· Yet for some pharmaceuticals, the higher end of the nano-size domain might be just what the doctor ordered. Ball milling is being investigated extensively for drug particle size reduction; the manufacturing processes for five approved drugs already use milling.

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price· What are the factors which influence the process of particle size reduction (milling)? Particle size, number of balls, particle density, hardness, number of media used, time of grinding, and speed of the ball mill (rpm) are factors ...

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pricewell as the kinetic energy of the milling ball affected the size reduction; more collisions or higher energy resulted in a higher milling efficiency. The evaluation of the effect of the process parameters on milling efficiency was facilitated by the use of simple scaling ...

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price· Bigger balls helps in size reduction if the feed particles are bigger in size like chunks. If the powder is feed for milling then smaller ball size is preferred for homogeneous mixing and milling by avoiding local impact between the balls.

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price60 minutes of ball milling, comninution proceeds preferentially through material characterized by closed pores with calculated diameters of about 21 nm which when opened released gas, thus increasing the gas release rate. The decrease in rate at 120 minutes ...

priceSize Reduction Raw materials undergo size reduction through different mechanisms: impact, compression, and attrition. One way to classify size reduction equipment is into crushers and grinders, where grinders produce finer particles than crushers.

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