Thursday, December 26, 2013

More About Rotary Tablet Press Machines

By Harriett Crosby


May do not know this, but in the manufacture of pharmaceuticals a press machine is required in the final stages of the process. Some firms use single phase machines while some use the more advanced Rotary Tablet Press machines. These are used to create the tablet medicines that are commonly swallowed. As time progresses so does technology in all the fields of science.

In the earlier days, tablets were placed on conveyor belts where they were compressed and packed by the use of foils. This resulted in high production costs and great material wastage. Additionally, the use of human hands to do the work exposed the drugs to transfer of infections like bacteria. The current methods are majorly automated and require minimal human contact if at all.

By use of hardened steel plates, the powder id highly compressed. This calls for programming the entire process so as to produce precisely sized tabled with the desired weight so as not to overdose or under dose the consumers. The machines are also used in the manufacture of cleaning products and some cosmetics other than pharmaceuticals.

The basic operations procedures for these machines are flow, compression and finally ejection. At the first stage, the powdery granulated material flows through the machine then is compressed under the specified pressure and punched out in sizes. It is then ejected and collected as tablets ready for packaging and distribution.

Two punches combine in action with a punching dye to create the desired shape and size of tablet. The powder fills the specific dyes which are then closed then a high pressure roller comes in to compress the material. The dyes then give way to release the tablet as a final product.

The press machines have several benefits. They have a good cost ratio of owning one. Their cleaning is very simple and operating them is very easy resulting in high yields. Changing the format is very fast and the parts are easy to assemble hence the short cleaning time.

They come with in-built dust extraction making the head section dust free. They have vacuum regulation and if one desire, a window display for large format indication. They come with very good accuracy even under stress like thermal and static. Their working safety is known to be very good and comes with long maintenance intervals.

Many types of these machines exists, these includes single-punch press and Rotary Tablet Press machines. The rotary press offer very high speeds and can hold many punches for mass production and time saving benefits. Dyes and punches are designed specifically for every job meaning the shapes and sizes are unique to a customer's needs. The process monitoring is automated and the components of these machines are of very high quality. When buying one for pharmaceutical use, consider choosing one with a closed system so as to avoid cross-contamination. The amount of tablets it can produce in a specified time should also be considered in addition to its ability to change the charging and compression modules easily. For the best in production, always go for the high performance machines and you will not be disappointed.




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