A tablet press, also known as a tablet compressing machine or tableting machine, is used to compress pharmaceutical powder formulations into tablet form, creating tablets of uniform size, shape and weight. In the pharmaceutical industry tablet compression machines and equipment is increasingly being used with real time release testing or process analytical testing capability. Therefore in this paper, i will take you through an embedded analysis on the differences of diverse tablet press and give you more clarity for making intelligent decision.
Key considerations for a tablet compression process are tablet press dwell times, processing speed in tablets per hour (TPH) and compression force.press speeds and the specific blend characteristics are some of the major factors considered when designing a tablet compression process. So the best press depends a lot on your product, flow characteristics, tablet size, tablet shape, your budget and scale. To make the smartest choice, the types of the tablet press should not be ignored.
Also known as a single punch or eccentric press. This is the simplest of all types of tablet making machine. It uses a single tooling station that has a die and a pair of upper and lower punches. It can be operated by hand or by an electric motor. The compression force is exerted by the upper punch only – during the compression step the lower punch is stationary.
Multiple station tablet presses are also know as rotary tablet presses. The distinguishing features of the rotary press are the die table, the turrets that hold the punches, and the cams and cam tracks that control the punches and the tablet ejection process, In the rotary press many dies are located near the edge of the large circular die table that is able to rotate horizontally. The upper and lower punches that correspond to each of the dies are located on turrets above and below the die table. As the die table rotates, cams above the upper turret and below the lower turret cause the appropriate punches to move up or down in such a way that the lower punch is stationary for the compressive step in which the upper punch forces down on the powder compressing it into a tablet, and once the tablet is formed, the upper punch withdraws upwards, and at the same time the lower punch also rises so as to eject the newly formed tablet from the die. As the head of the machine rotates, the fixed cam tracks controls the filling, compression, and the ejection process.
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