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Process and Principle of Tablet Press

Process and Principle of Tablet Press

The die is a tablet press die for pressing tablets. The working end faces of the upper and lower punches form the surface shape of the tablet. The diameter of the middle die is the diameter of the tablet. The die is the main working element of the tablet press. Usually, a pair of dies includes three parts: upper die, middle die and lower die. The structure of the upper and lower dies is similar, and the punch diameter is also equal. The punch diameter of the upper and lower dies is matched with the die hole of the middle die, and can slide up and down freely in the middle die hole, but there is no gap that can leak powder. According to the structural shape of the die, it can be divided into circular and special shapes (including polygonal and curved shapes). The shape of the punch end face is flat, hypotenuse, shallow concave, deep concave and comprehensive.

2013

01-28

Development history of tablet press

Development history of tablet press

Tablet presses appeared earlier in Europe and the United States, with a history of nearly a hundred years. In 1951, according to the 16-punch tablet press in the United States, it was converted into a domestic 18-punch tablet press, which was the earliest pharmaceutical machinery manufactured in China. In 1957, a ZP25-4 tablet press was designed and manufactured. In 1960, the 60-30 tablet press was successfully designed and manufactured by itself, which has the functions of automatic rotation and tablet compression. The types of tablets, sugar tablets, calcium tablets, coffee tablets, etc. The same year also designed and manufactured the ZP33, ZP19 type tablet press. During the "Seventh Five-Year Plan" period, the HZP26 high-speed tablet press of the 206 Institute of the Ministry of Aeronautics and Astronautics was successfully developed.

2013

01-28

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